annotate lib/lib.c @ 707:977e19296b3f

Update readlink so -f works. Add -menq while there.
author Rob Landley <rob@landley.net>
date Tue, 20 Nov 2012 09:21:52 -0600
parents 078138791b5c
children 50d759f8b371
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101a71a76c24 Fix filename in header
Charlie Shepherd <masterdriverz@gentoo.org>
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1 /* lib.c - reusable stuff.
2
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2 *
3
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3 * Functions with the x prefix are wrappers for library functions. They either
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4 * succeed or kill the program with an error message, but never return failure.
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5 * They usually have the same arguments and return value as the function they
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6 * wrap.
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7 *
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8 * Copyright 2006 Rob Landley <rob@landley.net>
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9 */
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10
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11 #include "toys.h"
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12
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13 // Strcpy with size checking: exit if there's not enough space for the string.
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14 void xstrcpy(char *dest, char *src, size_t size)
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15 {
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16 if (strlen(src)+1 > size) error_exit("xstrcpy");
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17 strcpy(dest, src);
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18 }
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19
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20 void verror_msg(char *msg, int err, va_list va)
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21 {
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22 char *s = ": %s";
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24 fprintf(stderr, "%s: ", toys.which->name);
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25 if (msg) vfprintf(stderr, msg, va);
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26 else s+=2;
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27 if (err) fprintf(stderr, s, strerror(err));
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28 putc('\n', stderr);
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29 }
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31 void error_msg(char *msg, ...)
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32 {
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33 va_list va;
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35 va_start(va, msg);
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36 verror_msg(msg, 0, va);
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37 va_end(va);
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38 }
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39
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40 void perror_msg(char *msg, ...)
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41 {
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42 va_list va;
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44 va_start(va, msg);
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45 verror_msg(msg, errno, va);
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46 va_end(va);
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47 }
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48
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49 // Die with an error message.
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50 void error_exit(char *msg, ...)
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51 {
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52 va_list va;
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54 if (CFG_HELP && toys.exithelp) {
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55 *toys.optargs=*toys.argv;
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56 USE_HELP(help_main();) // dear gcc: shut up.
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57 fprintf(stderr,"\n");
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58 }
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60 va_start(va, msg);
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61 verror_msg(msg, 0, va);
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62 va_end(va);
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63
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64 if (!toys.exitval) toys.exitval++;
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65 if (toys.rebound) longjmp(*toys.rebound, 1);
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66 else exit(toys.exitval);
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67 }
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69
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70 // Die with an error message and strerror(errno)
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71 void perror_exit(char *msg, ...)
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72 {
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73 va_list va;
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75 va_start(va, msg);
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76 verror_msg(msg, errno, va);
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77 va_end(va);
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78
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79 if (!toys.exitval) toys.exitval++;
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80 if (toys.rebound) longjmp(*toys.rebound, 1);
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81 else exit(toys.exitval);
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82 }
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83
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84 // Die unless we can allocate memory.
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85 void *xmalloc(size_t size)
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86 {
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87 void *ret = malloc(size);
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88 if (!ret) error_exit("xmalloc");
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89
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90 return ret;
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91 }
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92
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93 // Die unless we can allocate prezeroed memory.
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94 void *xzalloc(size_t size)
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95 {
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96 void *ret = xmalloc(size);
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97 memset(ret, 0, size);
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98 return ret;
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99 }
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100
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101 // Die unless we can change the size of an existing allocation, possibly
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102 // moving it. (Notice different arguments from libc function.)
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103 void *xrealloc(void *ptr, size_t size)
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104 {
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105 ptr = realloc(ptr, size);
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106 if (!ptr) error_exit("xrealloc");
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107
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108 return ptr;
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109 }
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110
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111 // Die unless we can allocate a copy of this many bytes of string.
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112 char *xstrndup(char *s, size_t n)
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113 {
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114 char *ret = xmalloc(++n);
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115 strncpy(ret, s, n);
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116 ret[--n]=0;
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117
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118 return ret;
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119 }
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120
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121 // Die unless we can allocate a copy of this string.
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122 char *xstrdup(char *s)
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123 {
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124 return xstrndup(s, strlen(s));
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125 }
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126
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127 // Die unless we can allocate enough space to sprintf() into.
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128 char *xmsprintf(char *format, ...)
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129 {
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130 va_list va, va2;
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131 int len;
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132 char *ret;
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133
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134 va_start(va, format);
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135 va_copy(va2, va);
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136
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137 // How long is it?
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138 len = vsnprintf(0, 0, format, va);
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139 len++;
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140 va_end(va);
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141
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142 // Allocate and do the sprintf()
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143 ret = xmalloc(len);
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144 vsnprintf(ret, len, format, va2);
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145 va_end(va2);
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146
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147 return ret;
4
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148 }
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149
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150 void xprintf(char *format, ...)
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151 {
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152 va_list va;
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153 va_start(va, format);
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154
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155 vprintf(format, va);
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156 if (ferror(stdout)) perror_exit("write");
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157 }
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158
128
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159 void xputs(char *s)
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160 {
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161 if (EOF == puts(s)) perror_exit("write");
128
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162 }
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163
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164 void xputc(char c)
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165 {
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166 if (EOF == fputc(c, stdout) || fflush(stdout)) perror_exit("write");
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167 }
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168
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169 void xflush(void)
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170 {
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171 if (fflush(stdout)) perror_exit("write");;
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172 }
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173
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174 // Die unless we can exec argv[] (or run builtin command). Note that anything
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175 // with a path isn't a builtin, so /bin/sh won't match the builtin sh.
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176 void xexec(char **argv)
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177 {
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178 toy_exec(argv);
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179 execvp(argv[0], argv);
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
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180
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181 perror_exit("exec %s", argv[0]);
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182 }
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183
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184 void xaccess(char *path, int flags)
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185 {
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186 if (access(path, flags)) perror_exit("Can't access '%s'", path);
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187 }
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188
214
98820d1eaa79 Upgrade patch to understand creating and deleting files.
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189 // Die unless we can delete a file. (File must exist to be deleted.)
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190 void xunlink(char *path)
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191 {
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192 if (unlink(path)) perror_exit("unlink '%s'", path);
214
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193 }
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194
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195 // Die unless we can open/create a file, returning file descriptor.
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196 int xcreate(char *path, int flags, int mode)
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197 {
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198 int fd = open(path, flags, mode);
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199 if (fd == -1) perror_exit("%s", path);
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200 return fd;
2
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201 }
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202
49
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203 // Die unless we can open a file, returning file descriptor.
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204 int xopen(char *path, int flags)
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205 {
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206 return xcreate(path, flags, 0);
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207 }
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208
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
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209 void xclose(int fd)
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210 {
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211 if (close(fd)) perror_exit("xclose");
201
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212 }
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213
565
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214 int xdup(int fd)
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215 {
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216 if (fd != -1) {
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217 fd = dup(fd);
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218 if (fd == -1) perror_exit("xdup");
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219 }
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220 return fd;
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221 }
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222
2
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223 // Die unless we can open/create a file, returning FILE *.
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224 FILE *xfopen(char *path, char *mode)
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225 {
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226 FILE *f = fopen(path, mode);
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227 if (!f) perror_exit("No file %s", path);
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228 return f;
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229 }
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230
63
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231 // Keep reading until full or EOF
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232 ssize_t readall(int fd, void *buf, size_t len)
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233 {
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234 size_t count = 0;
309
79a61cd58596 Bug spotted by Roberto Foglietta: at EOF readall() should return count, not len.
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235
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236 while (count<len) {
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237 int i = read(fd, buf+count, len-count);
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238 if (!i) break;
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239 if (i<0) return i;
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240 count += i;
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241 }
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242
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243 return count;
8
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244 }
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245
50
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246 // Keep writing until done or EOF
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247 ssize_t writeall(int fd, void *buf, size_t len)
50
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248 {
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249 size_t count = 0;
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250 while (count<len) {
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251 int i = write(fd, buf+count, len-count);
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252 if (i<1) return i;
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253 count += i;
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254 }
50
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255
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256 return count;
50
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257 }
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258
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
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259 // Die if there's an error other than EOF.
63
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260 size_t xread(int fd, void *buf, size_t len)
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261 {
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262 ssize_t ret = read(fd, buf, len);
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263 if (ret < 0) perror_exit("xread");
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264
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265 return ret;
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266 }
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267
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268 void xreadall(int fd, void *buf, size_t len)
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269 {
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270 if (len != readall(fd, buf, len)) perror_exit("xreadall");
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271 }
4
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272
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273 // There's no xwriteall(), just xwrite(). When we read, there may or may not
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274 // be more data waiting. When we write, there is data and it had better go
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275 // somewhere.
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276
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277 void xwrite(int fd, void *buf, size_t len)
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278 {
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279 if (len != writeall(fd, buf, len)) perror_exit("xwrite");
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280 }
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281
340
6e03d6a8df23 Add mkswap.
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282 // Die if lseek fails, probably due to being called on a pipe.
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283
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284 off_t xlseek(int fd, off_t offset, int whence)
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285 {
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286 offset = lseek(fd, offset, whence);
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287 if (offset<0) perror_exit("lseek");
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288
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289 return offset;
340
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290 }
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291
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292 off_t lskip(int fd, off_t offset)
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293 {
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294 off_t and = lseek(fd, offset, SEEK_CUR);
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295
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296 if (and != -1 && offset >= lseek(fd, offset, SEEK_END)
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297 && offset+and == lseek(fd, offset+and, SEEK_SET)) return 0;
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298 else {
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299 char buf[4096];
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300 while (offset>0) {
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301 int try = offset>sizeof(buf) ? sizeof(buf) : offset, or;
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302
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303 or = readall(fd, buf, try);
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304 if (or < 0) perror_msg("lskip to %lld", (long long)offset);
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305 else offset -= try;
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306 if (or < try) break;
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307 }
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308
694
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309 return offset;
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310 }
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311 }
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312
4
732b055e17f7 Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path().
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313 char *xgetcwd(void)
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314 {
694
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315 char *buf = getcwd(NULL, 0);
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316 if (!buf) perror_exit("xgetcwd");
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
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317
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318 return buf;
4
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319 }
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diff changeset
320
95
a636e4d20f13 Add xstat(), read_dirtree(), and read_dirtree_node().
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diff changeset
321 void xstat(char *path, struct stat *st)
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322 {
694
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323 if(stat(path, st)) perror_exit("Can't stat %s", path);
95
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diff changeset
324 }
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diff changeset
325
707
977e19296b3f Update readlink so -f works. Add -menq while there.
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326 // Cannonicalize path, even to file with one or more missing components at end
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327 char *xabspath(char *path, unsigned missing)
4
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328 {
707
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329 char *apath, *temp, *slash;
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330 int i=0;
16
dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
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331
694
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332 // If this isn't an absolute path, make it one with cwd.
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333 if (path[0]!='/') {
707
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334 char *temp=xgetcwd();
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diff changeset
335 apath = xmsprintf("%s/%s", temp, path);
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diff changeset
336 free(temp);
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
parents: 698
diff changeset
337 } else apath = path;
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
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diff changeset
338 slash = apath+strlen(apath);
156
1e8f4b05cb65 Remove trailing whitespace (thanks to Charlie Shepherd), and a couple comment
Rob Landley <rob@landley.net>
parents: 153
diff changeset
339
707
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
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diff changeset
340 for (;;) {
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
parents: 698
diff changeset
341 temp = realpath(apath, NULL);
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
parents: 698
diff changeset
342 if (i) *slash = '/';
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
parents: 698
diff changeset
343 if (temp || ++i > missing) break;
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
parents: 698
diff changeset
344 while (slash>apath) if (*--slash == '/') break;
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
parents: 698
diff changeset
345 *slash=0;
977e19296b3f Update readlink so -f works. Add -menq while there.
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diff changeset
346 free(temp);
694
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347 }
16
dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
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diff changeset
348
707
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diff changeset
349 if (i && temp) {
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diff changeset
350 slash = xmsprintf("%s%s", temp, slash);
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
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diff changeset
351 free(temp);
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Rob Landley <rob@landley.net>
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diff changeset
352 temp = slash;
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Rob Landley <rob@landley.net>
parents: 698
diff changeset
353 }
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Rob Landley <rob@landley.net>
parents: 698
diff changeset
354
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
parents: 698
diff changeset
355 if (path != apath) free(apath);
977e19296b3f Update readlink so -f works. Add -menq while there.
Rob Landley <rob@landley.net>
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diff changeset
356 return temp;
16
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diff changeset
357 }
4
732b055e17f7 Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path().
landley@driftwood
parents: 3
diff changeset
358
585
1dcd7994abea Add xrealpath() at suggestion of Ashish Briggers.
Rob Landley <rob@landley.net>
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diff changeset
359 // Resolve all symlinks, returning malloc() memory.
1dcd7994abea Add xrealpath() at suggestion of Ashish Briggers.
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diff changeset
360 char *xrealpath(char *path)
1dcd7994abea Add xrealpath() at suggestion of Ashish Briggers.
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diff changeset
361 {
694
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362 char *new = realpath(path, NULL);
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363 if (!new) perror_exit("realpath '%s'", path);
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364 return new;
585
1dcd7994abea Add xrealpath() at suggestion of Ashish Briggers.
Rob Landley <rob@landley.net>
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diff changeset
365 }
1dcd7994abea Add xrealpath() at suggestion of Ashish Briggers.
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366
292
b4077be6c746 Update mdev to work around the newest sysfs api breakage in the 2.6.25 kernel.
Rob Landley <rob@landley.net>
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diff changeset
367 void xchdir(char *path)
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parents: 284
diff changeset
368 {
694
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369 if (chdir(path)) error_exit("chdir '%s'", path);
292
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Rob Landley <rob@landley.net>
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370 }
b4077be6c746 Update mdev to work around the newest sysfs api breakage in the 2.6.25 kernel.
Rob Landley <rob@landley.net>
parents: 284
diff changeset
371
216
5697a3f7c8cf Make patch's file add actually work, including directory creating and
Rob Landley <rob@landley.net>
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372 // Ensure entire path exists.
5697a3f7c8cf Make patch's file add actually work, including directory creating and
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373 // If mode != -1 set permissions on newly created dirs.
5697a3f7c8cf Make patch's file add actually work, including directory creating and
Rob Landley <rob@landley.net>
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diff changeset
374 // Requires that path string be writable (for temporary null terminators).
5697a3f7c8cf Make patch's file add actually work, including directory creating and
Rob Landley <rob@landley.net>
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375 void xmkpath(char *path, int mode)
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diff changeset
376 {
694
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377 char *p, old;
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378 mode_t mask;
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diff changeset
379 int rc;
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diff changeset
380 struct stat st;
216
5697a3f7c8cf Make patch's file add actually work, including directory creating and
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381
694
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diff changeset
382 for (p = path; ; p++) {
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diff changeset
383 if (!*p || *p == '/') {
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384 old = *p;
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385 *p = rc = 0;
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diff changeset
386 if (stat(path, &st) || !S_ISDIR(st.st_mode)) {
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diff changeset
387 if (mode != -1) {
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diff changeset
388 mask=umask(0);
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389 rc = mkdir(path, mode);
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parents: 671
diff changeset
390 umask(mask);
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parents: 671
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391 } else rc = mkdir(path, 0777);
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
392 }
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
393 *p = old;
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parents: 671
diff changeset
394 if(rc) perror_exit("mkpath '%s'", path);
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diff changeset
395 }
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
396 if (!*p) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
397 }
216
5697a3f7c8cf Make patch's file add actually work, including directory creating and
Rob Landley <rob@landley.net>
parents: 214
diff changeset
398 }
370
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
399
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
400 // setuid() can fail (for example, too many processes belonging to that user),
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
401 // which opens a security hole if the process continues as the original user.
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
402
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
403 void xsetuid(uid_t uid)
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
404 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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parents: 671
diff changeset
405 if (setuid(uid)) perror_exit("xsetuid");
370
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
406 }
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
407
c7a26e26ad08 Add TOYBOX_SUID.
Rob Landley <rob@landley.net>
parents: 369
diff changeset
408
20
3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents: 16
diff changeset
409 // Find all file in a colon-separated path with access type "type" (generally
3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents: 16
diff changeset
410 // X_OK or R_OK). Returns a list of absolute paths to each file found, in
3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents: 16
diff changeset
411 // order.
16
dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
Rob Landley <rob@landley.net>
parents: 8
diff changeset
412
20
3981c96f9285 Implement which. Add hello world to menuconfig. Wrap the various applet main
Rob Landley <rob@landley.net>
parents: 16
diff changeset
413 struct string_list *find_in_path(char *path, char *filename)
16
dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
Rob Landley <rob@landley.net>
parents: 8
diff changeset
414 {
694
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parents: 671
diff changeset
415 struct string_list *rlist = NULL, **prlist=&rlist;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
416 char *cwd = xgetcwd();
16
dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
Rob Landley <rob@landley.net>
parents: 8
diff changeset
417
694
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parents: 671
diff changeset
418 for (;;) {
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
419 char *next = path ? strchr(path, ':') : NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
420 int len = next ? next-path : strlen(path);
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
421 struct string_list *rnext;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
422 struct stat st;
16
dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
Rob Landley <rob@landley.net>
parents: 8
diff changeset
423
694
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parents: 671
diff changeset
424 rnext = xmalloc(sizeof(void *) + strlen(filename)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
425 + (len ? len : strlen(cwd)) + 2);
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
426 if (!len) sprintf(rnext->str, "%s/%s", cwd, filename);
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
427 else {
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
428 char *res = rnext->str;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
429 strncpy(res, path, len);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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parents: 671
diff changeset
430 res += len;
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
431 *(res++) = '/';
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
432 strcpy(res, filename);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
433 }
16
dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
Rob Landley <rob@landley.net>
parents: 8
diff changeset
434
694
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
435 // Confirm it's not a directory.
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
436 if (!stat(rnext->str, &st) && S_ISREG(st.st_mode)) {
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
437 *prlist = rnext;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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parents: 671
diff changeset
438 rnext->next = NULL;
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
439 prlist = &(rnext->next);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
440 } else free(rnext);
16
dd10785b6532 Add xabspath(), is_file_type(), which_in_path(), and find_in_path().
Rob Landley <rob@landley.net>
parents: 8
diff changeset
441
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
442 if (!next) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
443 path += len;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
444 path++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
445 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
446 free(cwd);
4
732b055e17f7 Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path().
landley@driftwood
parents: 3
diff changeset
447
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
448 return rlist;
4
732b055e17f7 Add xmsprintf(), xgetcwd(), xgetcwd(), find_in_path().
landley@driftwood
parents: 3
diff changeset
449 }
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
450
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
451 // Convert unsigned int to ascii, writing into supplied buffer. A truncated
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
452 // result contains the first few digits of the result ala strncpy, and is
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
453 // always null terminated (unless buflen is 0).
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
454 void utoa_to_buf(unsigned n, char *buf, unsigned buflen)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
455 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
456 int i, out = 0;
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
457
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
458 if (buflen) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
459 for (i=1000000000; i; i/=10) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
460 int res = n/i;
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
461
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
462 if ((res || out || i == 1) && --buflen>0) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
463 out++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
464 n -= res*i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
465 *buf++ = '0' + res;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
466 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
467 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
468 *buf = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
469 }
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
470 }
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
471
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
472 // Convert signed integer to ascii, using utoa_to_buf()
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
473 void itoa_to_buf(int n, char *buf, unsigned buflen)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
474 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
475 if (buflen && n<0) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
476 n = -n;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
477 *buf++ = '-';
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
478 buflen--;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
479 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
480 utoa_to_buf((unsigned)n, buf, buflen);
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
481 }
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
482
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
483 // This static buffer is used by both utoa() and itoa(), calling either one a
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
484 // second time will overwrite the previous results.
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
485 //
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
486 // The longest 32 bit integer is -2 billion plus a null terminator: 12 bytes.
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
487 // Note that int is always 32 bits on any remotely unix-like system, see
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
488 // http://www.unix.org/whitepapers/64bit.html for details.
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
489
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
490 static char itoa_buf[12];
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
491
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
492 // Convert unsigned integer to ascii, returning a static buffer.
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
493 char *utoa(unsigned n)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
494 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
495 utoa_to_buf(n, itoa_buf, sizeof(itoa_buf));
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
496
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
497 return itoa_buf;
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
498 }
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
499
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
500 char *itoa(int n)
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
501 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
502 itoa_to_buf(n, itoa_buf, sizeof(itoa_buf));
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
503
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
504 return itoa_buf;
7
fc9c0503d5e2 Implement df. Add -Wall to build and fix up warnings. Add copyright notices.
landley@driftwood
parents: 4
diff changeset
505 }
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
506
102
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such.
Rob Landley <rob@landley.net>
parents: 97
diff changeset
507 // atol() with the kilo/mega/giga/tera/peta/exa extensions.
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such.
Rob Landley <rob@landley.net>
parents: 97
diff changeset
508 // (zetta and yotta don't fit in 64 bits.)
443
41b5ac08208f Make atolx() error_exit() if fed a string that doesn't convert entirely into an integer.
Rob Landley <rob@landley.net>
parents: 419
diff changeset
509 long atolx(char *numstr)
102
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such.
Rob Landley <rob@landley.net>
parents: 97
diff changeset
510 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
511 char *c, *suffixes="bkmgtpe", *end;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
512 long val = strtol(numstr, &c, 0);
102
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such.
Rob Landley <rob@landley.net>
parents: 97
diff changeset
513
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
514 if (*c) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
515 if (c != numstr && (end = strchr(suffixes, tolower(*c)))) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
516 int shift = end-suffixes;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
517 if (shift--) val *= 1024L<<(shift*10);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
518 } else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
519 while (isspace(*c)) c++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
520 if (*c) error_exit("not integer: %s", numstr);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
521 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
522 }
397
b7afbc6b753a Forgot to check in loopfiles_rw changes needed by truncate.
Rob Landley <rob@landley.net>
parents: 379
diff changeset
523
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
524 return val;
102
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such.
Rob Landley <rob@landley.net>
parents: 97
diff changeset
525 }
aa4fa2543a65 Add atolx() which understands extensions for kilobytes and megabytes and such.
Rob Landley <rob@landley.net>
parents: 97
diff changeset
526
565
44abf4d901f3 Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
Rob Landley <rob@landley.net>
parents: 554
diff changeset
527 int numlen(long l)
44abf4d901f3 Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
Rob Landley <rob@landley.net>
parents: 554
diff changeset
528 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
529 int len = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
530 while (l) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
531 l /= 10;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
532 len++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
533 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
534 return len;
565
44abf4d901f3 Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
Rob Landley <rob@landley.net>
parents: 554
diff changeset
535 }
44abf4d901f3 Rewrite dirtree so we don't need readdir, scandir, and fts.h. Rewrite ls (from scratch) to use new dirtree infrastructure. (This breaks everything else that currently uses dirtree.)
Rob Landley <rob@landley.net>
parents: 554
diff changeset
536
623
f51beec92738 New infrastructure for od (oops).
Rob Landley <rob@landley.net>
parents: 615
diff changeset
537 int stridx(char *haystack, char needle)
f51beec92738 New infrastructure for od (oops).
Rob Landley <rob@landley.net>
parents: 615
diff changeset
538 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
539 char *off;
623
f51beec92738 New infrastructure for od (oops).
Rob Landley <rob@landley.net>
parents: 615
diff changeset
540
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
541 if (!needle) return -1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
542 off = strchr(haystack, needle);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
543 if (!off) return -1;
623
f51beec92738 New infrastructure for od (oops).
Rob Landley <rob@landley.net>
parents: 615
diff changeset
544
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
545 return off-haystack;
623
f51beec92738 New infrastructure for od (oops).
Rob Landley <rob@landley.net>
parents: 615
diff changeset
546 }
f51beec92738 New infrastructure for od (oops).
Rob Landley <rob@landley.net>
parents: 615
diff changeset
547
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
548 // Return how long the file at fd is, if there's any way to determine it.
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
549 off_t fdlength(int fd)
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
550 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
551 off_t bottom = 0, top = 0, pos, old;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
552 int size;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
553
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
554 // If the ioctl works for this, return it.
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
555
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
556 if (ioctl(fd, BLKGETSIZE, &size) >= 0) return size*512L;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
557
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
558 // If not, do a binary search for the last location we can read. (Some
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
559 // block devices don't do BLKGETSIZE right.) This should probably have
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
560 // a CONFIG option...
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
561
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
562 old = lseek(fd, 0, SEEK_CUR);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
563 do {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
564 char temp;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
565
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
566 pos = bottom + (top - bottom) / 2;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
567
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
568 // If we can read from the current location, it's bigger.
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
569
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
570 if (lseek(fd, pos, 0)>=0 && read(fd, &temp, 1)==1) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
571 if (bottom == top) bottom = top = (top+1) * 2;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
572 else bottom = pos;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
573
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
574 // If we can't, it's smaller.
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
575
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
576 } else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
577 if (bottom == top) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
578 if (!top) return 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
579 bottom = top/2;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
580 } else top = pos;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
581 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
582 } while (bottom + 1 != top);
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
583
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
584 lseek(fd, old, SEEK_SET);
310
8b8116214b1c Roberto Foglietta pointed out that readall() needs fdlength() to restore
Rob Landley <rob@landley.net>
parents: 309
diff changeset
585
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
586 return pos + 1;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
587 }
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
588
115
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
589 // This can return null (meaning file not found). It just won't return null
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
590 // for memory allocation reasons.
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
591 char *xreadlink(char *name)
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
592 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
593 int len, size = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
594 char *buf = 0;
115
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
595
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
596 // Grow by 64 byte chunks until it's big enough.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
597 for(;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
598 size +=64;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
599 buf = xrealloc(buf, size);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
600 len = readlink(name, buf, size);
115
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
601
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
602 if (len<0) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
603 free(buf);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
604 return 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
605 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
606 if (len<size) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
607 buf[len]=0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
608 return buf;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
609 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
610 }
115
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
611 }
19b5567f0a1b Add readlink, xreadlink(), and change xrealloc() to not fight the stupid
Rob Landley <rob@landley.net>
parents: 102
diff changeset
612
77
8018c40605d9 The fdlength() ioctl apparently doesn't work on files (and the lseek trick
Rob Landley <rob@landley.net>
parents: 75
diff changeset
613 /*
8018c40605d9 The fdlength() ioctl apparently doesn't work on files (and the lseek trick
Rob Landley <rob@landley.net>
parents: 75
diff changeset
614 This might be of use or might not. Unknown yet...
8018c40605d9 The fdlength() ioctl apparently doesn't work on files (and the lseek trick
Rob Landley <rob@landley.net>
parents: 75
diff changeset
615
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
616 // Read contents of file as a single freshly allocated nul-terminated string.
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
617 char *readfile(char *name)
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
618 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
619 off_t len;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
620 int fd;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
621 char *buf;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
622
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
623 fd = open(name, O_RDONLY);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
624 if (fd == -1) return 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
625 len = fdlength(fd);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
626 buf = xmalloc(len+1);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
627 buf[readall(fd, buf, len)] = 0;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
628
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
629 return buf;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
630 }
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
631
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
632 char *xreadfile(char *name)
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
633 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
634 char *buf = readfile(name);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
635 if (!buf) perror_exit("xreadfile %s", name);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
636 return buf;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
637 }
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
638
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
639 */
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
640
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
641 // Open a /var/run/NAME.pid file, dying if we can't write it or if it currently
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
642 // exists and is this executable.
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
643 void xpidfile(char *name)
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
Rob Landley <rob@landley.net>
parents: 52
diff changeset
644 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
645 char pidfile[256], spid[32];
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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646 int i, fd;
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647 pid_t pid;
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
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diff changeset
648
694
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649 sprintf(pidfile, "/var/run/%s.pid", name);
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650 // Try three times to open the sucker.
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diff changeset
651 for (i=0; i<3; i++) {
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652 fd = open(pidfile, O_CREAT|O_EXCL, 0644);
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653 if (fd != -1) break;
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diff changeset
654
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diff changeset
655 // If it already existed, read it. Loop for race condition.
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656 fd = open(pidfile, O_RDONLY);
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diff changeset
657 if (fd == -1) continue;
53
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diff changeset
658
694
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659 // Is the old program still there?
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660 spid[xread(fd, spid, sizeof(spid)-1)] = 0;
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diff changeset
661 close(fd);
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662 pid = atoi(spid);
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663 if (pid < 1 || kill(pid, 0) == ESRCH) unlink(pidfile);
53
41d55b5d49fd Add start of mke2fs/gene2fs, and some other stuff I've been working on.
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diff changeset
664
694
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665 // An else with more sanity checking might be nice here.
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666 }
156
1e8f4b05cb65 Remove trailing whitespace (thanks to Charlie Shepherd), and a couple comment
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diff changeset
667
694
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668 if (i == 3) error_exit("xpidfile %s", name);
53
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diff changeset
669
694
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diff changeset
670 xwrite(fd, spid, sprintf(spid, "%ld\n", (long)getpid()));
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671 close(fd);
53
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672 }
185
29e2051296fd Add loopfiles() function, make catv use it.
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673
308
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674 // Iterate through an array of files, opening each one and calling a function
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diff changeset
675 // on that filehandle and name. The special filename "-" means stdin if
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diff changeset
676 // flags is O_RDONLY, stdout otherwise. An empty argument list calls
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diff changeset
677 // function() on just stdin/stdout.
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diff changeset
678 //
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diff changeset
679 // Note: read only filehandles are automatically closed when function()
52600eee8dd6 Add "tee" command.
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diff changeset
680 // returns, but writeable filehandles must be close by function()
397
b7afbc6b753a Forgot to check in loopfiles_rw changes needed by truncate.
Rob Landley <rob@landley.net>
parents: 379
diff changeset
681 void loopfiles_rw(char **argv, int flags, int permissions, int failok,
694
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diff changeset
682 void (*function)(int fd, char *name))
185
29e2051296fd Add loopfiles() function, make catv use it.
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diff changeset
683 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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diff changeset
684 int fd;
185
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diff changeset
685
694
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parents: 671
diff changeset
686 // If no arguments, read from stdin.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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687 if (!*argv) function(flags ? 1 : 0, "-");
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diff changeset
688 else do {
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diff changeset
689 // Filename "-" means read from stdin.
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parents: 671
diff changeset
690 // Inability to open a file prints a warning, but doesn't exit.
185
29e2051296fd Add loopfiles() function, make catv use it.
Rob Landley <rob@landley.net>
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691
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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parents: 671
diff changeset
692 if (!strcmp(*argv,"-")) fd=0;
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diff changeset
693 else if (0>(fd = open(*argv, flags, permissions)) && !failok) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
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diff changeset
694 perror_msg("%s", *argv);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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parents: 671
diff changeset
695 toys.exitval = 1;
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parents: 671
diff changeset
696 continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
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diff changeset
697 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
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diff changeset
698 function(fd, *argv);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
699 if (flags == O_RDONLY) close(fd);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
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diff changeset
700 } while (*++argv);
185
29e2051296fd Add loopfiles() function, make catv use it.
Rob Landley <rob@landley.net>
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diff changeset
701 }
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
702
397
b7afbc6b753a Forgot to check in loopfiles_rw changes needed by truncate.
Rob Landley <rob@landley.net>
parents: 379
diff changeset
703 // Call loopfiles_rw with O_RDONLY and !failok (common case).
308
52600eee8dd6 Add "tee" command.
Rob Landley <rob@landley.net>
parents: 295
diff changeset
704 void loopfiles(char **argv, void (*function)(int fd, char *name))
52600eee8dd6 Add "tee" command.
Rob Landley <rob@landley.net>
parents: 295
diff changeset
705 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
706 loopfiles_rw(argv, O_RDONLY, 0, 0, function);
308
52600eee8dd6 Add "tee" command.
Rob Landley <rob@landley.net>
parents: 295
diff changeset
707 }
52600eee8dd6 Add "tee" command.
Rob Landley <rob@landley.net>
parents: 295
diff changeset
708
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
709 // Slow, but small.
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
710
284
603275a05524 Teach get_rawline() to continue until a configurable char, and xstrndup()
Rob Landley <rob@landley.net>
parents: 252
diff changeset
711 char *get_rawline(int fd, long *plen, char end)
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
712 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
713 char c, *buf = NULL;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
714 long len = 0;
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
715
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
716 for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
717 if (1>read(fd, &c, 1)) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
718 if (!(len & 63)) buf=xrealloc(buf, len+65);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
719 if ((buf[len++]=c) == end) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
720 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
721 if (buf) buf[len]=0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
722 if (plen) *plen = len;
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
723
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
724 return buf;
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
725 }
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
726
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
727 char *get_line(int fd)
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
728 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
729 long len;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
730 char *buf = get_rawline(fd, &len, '\n');
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
731
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
732 if (buf && buf[--len]=='\n') buf[len]=0;
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
733
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
734 return buf;
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
735 }
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
736
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
737 // Copy the rest of in to out and close both files.
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
738
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
739 void xsendfile(int in, int out)
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
740 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
741 long len;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
742 char buf[4096];
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
743
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
744 if (in<0) return;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
745 for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
746 len = xread(in, buf, 4096);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
747 if (len<1) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
748 xwrite(out, buf, len);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
749 }
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
750 }
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
751
590
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode().
Rob Landley <rob@landley.net>
parents: 585
diff changeset
752 int wfchmodat(int fd, char *name, mode_t mode)
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode().
Rob Landley <rob@landley.net>
parents: 585
diff changeset
753 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
754 int rc = fchmodat(fd, name, mode, 0);
590
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode().
Rob Landley <rob@landley.net>
parents: 585
diff changeset
755
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
756 if (rc) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
757 perror_msg("chmod '%s' to %04o", name, mode);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
758 toys.exitval=1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
759 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
760 return rc;
590
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode().
Rob Landley <rob@landley.net>
parents: 585
diff changeset
761 }
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode().
Rob Landley <rob@landley.net>
parents: 585
diff changeset
762
643
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
763 static char *tempfile2zap;
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
764 static void tempfile_handler(int i)
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
765 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
766 if (1 < (long)tempfile2zap) unlink(tempfile2zap);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
767 _exit(1);
643
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
768 }
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
769
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
770 // Open a temporary file to copy an existing file into.
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
771 int copy_tempfile(int fdin, char *name, char **tempname)
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
772 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
773 struct stat statbuf;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
774 int fd;
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
775
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
776 *tempname = xstrndup(name, strlen(name)+6);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
777 strcat(*tempname,"XXXXXX");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
778 if(-1 == (fd = mkstemp(*tempname))) error_exit("no temp file");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
779 if (!tempfile2zap) sigatexit(tempfile_handler);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
780 tempfile2zap = *tempname;
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
781
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
782 // Set permissions of output file
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
783
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
784 fstat(fdin, &statbuf);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
785 fchmod(fd, statbuf.st_mode);
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
786
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
787 return fd;
201
5d523752715a Start of "patch" support. Writes to stdout at the moment.
Rob Landley <rob@landley.net>
parents: 197
diff changeset
788 }
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
789
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
790 // Abort the copy and delete the temporary file.
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
791 void delete_tempfile(int fdin, int fdout, char **tempname)
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
792 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
793 close(fdin);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
794 close(fdout);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
795 unlink(*tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
796 tempfile2zap = (char *)1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
797 free(*tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
798 *tempname = NULL;
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
799 }
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
800
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
801 // Copy the rest of the data and replace the original with the copy.
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
802 void replace_tempfile(int fdin, int fdout, char **tempname)
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
803 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
804 char *temp = xstrdup(*tempname);
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
805
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
806 temp[strlen(temp)-6]=0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
807 if (fdin != -1) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
808 xsendfile(fdin, fdout);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
809 xclose(fdin);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
810 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
811 xclose(fdout);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
812 rename(*tempname, temp);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
813 tempfile2zap = (char *)1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
814 free(*tempname);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
815 free(temp);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
816 *tempname = NULL;
209
9a0d4e8a9c61 Patch command.
Rob Landley <rob@landley.net>
parents: 201
diff changeset
817 }
334
83c461db9df7 Check in crc_init needed by cksum. (Oops.)
Rob Landley <rob@landley.net>
parents: 311
diff changeset
818
83c461db9df7 Check in crc_init needed by cksum. (Oops.)
Rob Landley <rob@landley.net>
parents: 311
diff changeset
819 // Create a 256 entry CRC32 lookup table.
83c461db9df7 Check in crc_init needed by cksum. (Oops.)
Rob Landley <rob@landley.net>
parents: 311
diff changeset
820
337
aaafa1ceaa91 Add -N, -I, -L, and -P options to cksum.
Rob Landley <rob@landley.net>
parents: 334
diff changeset
821 void crc_init(unsigned int *crc_table, int little_endian)
334
83c461db9df7 Check in crc_init needed by cksum. (Oops.)
Rob Landley <rob@landley.net>
parents: 311
diff changeset
822 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
823 unsigned int i;
334
83c461db9df7 Check in crc_init needed by cksum. (Oops.)
Rob Landley <rob@landley.net>
parents: 311
diff changeset
824
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
825 // Init the CRC32 table (big endian)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
826 for (i=0; i<256; i++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
827 unsigned int j, c = little_endian ? i : i<<24;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
828 for (j=8; j; j--)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
829 if (little_endian) c = (c&1) ? (c>>1)^0xEDB88320 : c>>1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
830 else c=c&0x80000000 ? (c<<1)^0x04c11db7 : (c<<1);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
831 crc_table[i] = c;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
832 }
334
83c461db9df7 Check in crc_init needed by cksum. (Oops.)
Rob Landley <rob@landley.net>
parents: 311
diff changeset
833 }
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
834
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
835 // Quick and dirty query size of terminal, doesn't do ANSI probe fallback.
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
836 // set *x=0 and *y=0 before calling to detect failure to set either, or
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
837 // x=80 y=25 to provide defaults
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
838
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
839 void terminal_size(unsigned *x, unsigned *y)
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
840 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
841 struct winsize ws;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
842 int i;
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
843
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
844 //memset(&ws, 0, sizeof(ws));
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
845 for (i=0; i<3; i++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
846 if (ioctl(i, TIOCGWINSZ, &ws)) continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
847 if (x) *x = ws.ws_col;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
848 if (y) *y = ws.ws_row;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
849 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
850 if (x) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
851 char *s = getenv("COLUMNS");
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
852
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
853 i = s ? atoi(s) : 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
854 if (i>0) *x = i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
855 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
856 if (y) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
857 char *s = getenv("ROWS");
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
858
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
859 i = s ? atoi(s) : 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
860 if (i>0) *y = i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
861 }
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
862 }
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
863
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
864 // This should use a raw tty, fixit later.
503
3b9dea897dc0 Upgrade yesno() and make cp -i use it.
Rob Landley <rob@landley.net>
parents: 498
diff changeset
865 int yesno(char *prompt, int def)
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
866 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
867 FILE *fps[] = {stdin, stdout, stderr};
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
868 int i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
869 char buf;
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
870
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
871 for (i=0; i<3; i++) if (isatty(i)) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
872 if (i == 3) return 1;
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
873
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
874 fprintf(fps[i], "%s (%c/%c):", prompt, def ? 'Y' : 'y', def ? 'n' : 'N');
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
875 fflush(fps[i]);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
876 while (fread(&buf, 1, 1, fps[i])) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
877 if (tolower(buf) == 'y') def = 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
878 if (tolower(buf) == 'n') def = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
879 else if (!isspace(buf)) continue;
550
b2194045c40e Remove "feature test macros", replace non-portable fdprintf() with standard fprintf().
Rob Landley <rob@landley.net>
parents: 535
diff changeset
880
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
881 break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
882 }
550
b2194045c40e Remove "feature test macros", replace non-portable fdprintf() with standard fprintf().
Rob Landley <rob@landley.net>
parents: 535
diff changeset
883
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
884 return def;
419
af0cca0aba9d Quick and dirty terminal_size() and yesno() functions, both of which need to be improved.
Rob Landley <rob@landley.net>
parents: 399
diff changeset
885 }
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
886
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
887 // Execute a callback for each PID that matches a process name from a list.
477
f0b07ce5f125 Cleanups to pidof (including some global infrastructure shared with killall).
Rob Landley <rob@landley.net>
parents: 475
diff changeset
888 void for_each_pid_with_name_in(char **names, void (*callback)(pid_t pid))
f0b07ce5f125 Cleanups to pidof (including some global infrastructure shared with killall).
Rob Landley <rob@landley.net>
parents: 475
diff changeset
889 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
890 DIR *dp;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
891 struct dirent *entry;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
892 char cmd[sizeof(toybuf)], path[64];
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
893 char **curname;
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
894
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
895 if (!(dp = opendir("/proc"))) perror_exit("opendir");
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
896
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
897 while ((entry = readdir(dp))) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
898 int fd, n;
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
899
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
900 if (!isdigit(*entry->d_name)) continue;
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
901
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
902 if (sizeof(path) <= snprintf(path, sizeof(path), "/proc/%s/cmdline",
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
903 entry->d_name)) continue;
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
904
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
905 if (-1 == (fd=open(path, O_RDONLY))) continue;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
906 n = read(fd, cmd, sizeof(cmd));
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
907 close(fd);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
908 if (n<1) continue;
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
909
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
910 for (curname = names; *curname; curname++)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
911 if (!strcmp(basename(cmd), *curname)) callback(atol(entry->d_name));
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
912 }
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
913
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
914 closedir(dp);
475
1fb149e75ebf Add killall by Andreas Heck, and factor out common pid code to lib.h.
Rob Landley <rob@landley.net>
parents: 443
diff changeset
915 }
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
916
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
917 struct signame {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
918 int num;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
919 char *name;
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
920 };
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
921
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
922 // Signals required by POSIX 2008:
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
923 // http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
924
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
925 #define SIGNIFY(x) {SIG##x, #x}
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
926
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
927 static struct signame signames[] = {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
928 SIGNIFY(ABRT), SIGNIFY(ALRM), SIGNIFY(BUS),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
929 SIGNIFY(FPE), SIGNIFY(HUP), SIGNIFY(ILL), SIGNIFY(INT), SIGNIFY(KILL),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
930 SIGNIFY(PIPE), SIGNIFY(QUIT), SIGNIFY(SEGV), SIGNIFY(TERM),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
931 SIGNIFY(USR1), SIGNIFY(USR2), SIGNIFY(SYS), SIGNIFY(TRAP),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
932 SIGNIFY(VTALRM), SIGNIFY(XCPU), SIGNIFY(XFSZ),
643
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
933
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
934 // Start of non-terminal signals
643
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
935
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
936 SIGNIFY(CHLD), SIGNIFY(CONT), SIGNIFY(STOP), SIGNIFY(TSTP),
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
937 SIGNIFY(TTIN), SIGNIFY(TTOU), SIGNIFY(URG)
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
938 };
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
939
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
940 // not in posix: SIGNIFY(STKFLT), SIGNIFY(WINCH), SIGNIFY(IO), SIGNIFY(PWR)
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
941 // obsolete: SIGNIFY(PROF) SIGNIFY(POLL)
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
942
643
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
943 // Install the same handler on every signal that defaults to killing the process
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
944 void sigatexit(void *handler)
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
945 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
946 int i;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
947 for (i=0; signames[i].num != SIGCHLD; i++) signal(signames[i].num, handler);
643
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
948 }
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
949 // Convert name to signal number. If name == NULL print names.
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
950 int sig_to_num(char *pidstr)
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
951 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
952 int i;
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
953
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
954 if (pidstr) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
955 char *s;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
956 i = strtol(pidstr, &s, 10);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
957 if (!*s) return i;
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
958
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
959 if (!strncasecmp(pidstr, "sig", 3)) pidstr+=3;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
960 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
961 for (i = 0; i < sizeof(signames)/sizeof(struct signame); i++)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
962 if (!pidstr) xputs(signames[i].name);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
963 else if (!strcasecmp(pidstr, signames[i].name)) return signames[i].num;
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
964
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
965 return -1;
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
966 }
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
967
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
968 char *num_to_sig(int sig)
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
969 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
970 int i;
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
971
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
972 for (i=0; i<sizeof(signames)/sizeof(struct signame); i++)
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
973 if (signames[i].num == sig) return signames[i].name;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
974 return NULL;
498
c9aaceccd6bd Factor out common code between killall/kill and move it to lib/lib.c, plus cleanups on kill.c.
Rob Landley <rob@landley.net>
parents: 480
diff changeset
975 }
551
2548e6e590b2 Add string to mode_t parser
Daniel Walter <d.walter@0x90.at>
parents: 550
diff changeset
976
643
7bdebd2af1d6 Add signal handler to clean up tempfile.
Rob Landley <rob@landley.net>
parents: 640
diff changeset
977 // premute mode bits based on posix mode strings.
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
978 mode_t string_to_mode(char *modestr, mode_t mode)
551
2548e6e590b2 Add string to mode_t parser
Daniel Walter <d.walter@0x90.at>
parents: 550
diff changeset
979 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
980 char *whos = "ogua", *hows = "=+-", *whats = "xwrstX", *whys = "ogu";
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
981 char *s, *str = modestr;
553
75da5d793fc8 Unwind gratuitous macros.
Rob Landley <rob@landley.net>
parents: 551
diff changeset
982
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
983 // Handle octal mode
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
984 if (isdigit(*str)) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
985 mode = strtol(str, &s, 8);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
986 if (*s || (mode & ~(07777))) goto barf;
553
75da5d793fc8 Unwind gratuitous macros.
Rob Landley <rob@landley.net>
parents: 551
diff changeset
987
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
988 return mode;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
989 }
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
990
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
991 // Gaze into the bin of permission...
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
992 for (;;) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
993 int i, j, dowho, dohow, dowhat, amask;
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
994
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
995 dowho = dohow = dowhat = amask = 0;
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
996
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
997 // Find the who, how, and what stanzas, in that order
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
998 while (*str && (s = strchr(whos, *str))) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
999 dowho |= 1<<(s-whos);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1000 str++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1001 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1002 // If who isn't specified, like "a" but honoring umask.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1003 if (!dowho) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1004 dowho = 8;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1005 umask(amask=umask(0));
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1006 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1007 if (!*str || !(s = strchr(hows, *str))) goto barf;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1008 dohow = *(str++);
590
7becb497c3c4 Update chmod to work with new dirtree, and fix bugs in string_to_mode().
Rob Landley <rob@landley.net>
parents: 585
diff changeset
1009
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1010 if (!dohow) goto barf;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1011 while (*str && (s = strchr(whats, *str))) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1012 dowhat |= 1<<(s-whats);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1013 str++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1014 }
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1015
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1016 // Convert X to x for directory or if already executable somewhere
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1017 if ((dowhat&32) && (S_ISDIR(mode) || (mode&0111))) dowhat |= 1;
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1018
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1019 // Copy mode from another category?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1020 if (!dowhat && *str && (s = strchr(whys, *str))) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1021 dowhat = (mode>>(3*(s-whys)))&7;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1022 str++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1023 }
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1024
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1025 // Are we ready to do a thing yet?
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1026 if (*str && *(str++) != ',') goto barf;
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1027
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1028 // Ok, apply the bits to the mode.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1029 for (i=0; i<4; i++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1030 for (j=0; j<3; j++) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1031 mode_t bit = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1032 int where = 1<<((3*i)+j);
638
92200901cfe1 Make chmod +w respect umask, implement +s and +t, fix ls to show suid/sgid/stid without x bit.
Rob Landley <rob@landley.net>
parents: 623
diff changeset
1033
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1034 if (amask & where) continue;
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1035
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1036 // Figure out new value at this location
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1037 if (i == 3) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1038 // suid/sticky bit.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1039 if (j) {
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1040 if ((dowhat & 8) && (dowho&(8|(1<<i)))) bit++;
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1041 } else if (dowhat & 16) bit++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1042 } else {
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1043 if (!(dowho&(8|(1<<i)))) continue;
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1044 if (dowhat&(1<<j)) bit++;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1045 }
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1046
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1047 // When selection active, modify bit
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1048
694
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1049 if (dohow == '=' || (bit && dohow == '-')) mode &= ~where;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1050 if (bit && dohow != '-') mode |= where;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1051 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1052 }
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1053
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1054 if (!*str) break;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1055 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1056 return mode;
578
5cc8a8fc08b4 First pass at a complete rewrite of string_to_mode(). (It compiled!)
Rob Landley <rob@landley.net>
parents: 565
diff changeset
1057 barf:
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1058 error_exit("bad mode '%s'", modestr);
551
2548e6e590b2 Add string to mode_t parser
Daniel Walter <d.walter@0x90.at>
parents: 550
diff changeset
1059 }
658
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
1060
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
1061
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
1062 char* make_human_readable(unsigned long long size, unsigned long unit)
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
1063 {
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1064 unsigned int frac = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1065 if(unit) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1066 size = (size/(unit)) + (size%(unit)?1:0);
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1067 return xmsprintf("%llu", size);
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1068 }
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1069 else {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1070 static char units[] = {'\0', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y'};
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1071 int index = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1072 while(size >= 1024) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1073 frac = size%1024;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1074 size /= 1024;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1075 index++;
658
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
1076 }
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1077 frac = (frac/102) + ((frac%102)?1:0);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1078 if(frac >= 10) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1079 size += 1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1080 frac = 0;
658
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
1081 }
694
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1082 if(frac) return xmsprintf("%llu.%u%c", size, frac, units[index]);
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1083 else return xmsprintf("%llu%c", size, units[index]);
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Rob Landley <rob@landley.net>
parents: 671
diff changeset
1084 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 671
diff changeset
1085 return NULL; //not reached
658
2b957eaa00c7 Add du command.
Ashwini Kumar <ak.ashwini@gmail.com>
parents: 643
diff changeset
1086 }
698
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1087
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1088 /*
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1089 * used to get the interger value.
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1090 */
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1091 unsigned long get_int_value(const char *numstr, unsigned lowrange, unsigned highrange)
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1092 {
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1093 unsigned long rvalue = 0;
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1094 char *ptr;
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1095 if(*numstr == '-' || *numstr == '+' || isspace(*numstr)) perror_exit("invalid number '%s'", numstr);
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1096 errno = 0;
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1097 rvalue = strtoul(numstr, &ptr, 10);
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1098 if(errno || numstr == ptr) perror_exit("invalid number '%s'", numstr);
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1099 if(*ptr) perror_exit("invalid number '%s'", numstr);
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1100 if(rvalue >= lowrange && rvalue <= highrange) return rvalue;
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1101 else {
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1102 perror_exit("invalid number '%s'", numstr);
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1103 return rvalue; //Not reachable; to avoid waring message.
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1104 }
078138791b5c Add cut from Jason Kyungwan Han.
Rob Landley <rob@landley.net>
parents: 696
diff changeset
1105 }