Mercurial > hg > toybox
annotate toys/posix/find.c @ 1420:9d760c092c41 draft
Implement exec -user, -group, and -newer. Enable find in defconfig.
author | Rob Landley <rob@landley.net> |
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date | Sun, 03 Aug 2014 15:50:10 -0500 |
parents | c37c186409a2 |
children | 30014454681f |
rev | line source |
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1 /* find.c - Search directories for matching files. |
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2 * |
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3 * Copyright 2014 Rob Landley <rob@landley.net> |
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4 * |
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5 * See http://pubs.opengroup.org/onlinepubs/9699919799/utilities/find.c |
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6 * |
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7 * Our "unspecified" behavior for no paths is to use "." |
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8 * Parentheses can only stack 4096 deep |
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9 * Not treating two {} as an error, but only using last |
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10 |
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11 USE_FIND(NEWTOY(find, "?^HL", TOYFLAG_USR|TOYFLAG_BIN)) |
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12 |
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13 config FIND |
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14 bool "find" |
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15 default y |
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16 help |
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17 usage: find [-HL] [DIR...] [<options>] |
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18 |
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19 Search directories for matching files. |
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20 Default: search "." match all -print all matches. |
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21 |
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22 -H Follow command line symlinks -L Follow all symlinks |
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23 |
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24 Match filters: |
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25 -name PATTERN filename with wildcards -iname case insensitive -name |
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26 -path PATTERN path name with wildcards -ipath case insensitive -path |
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27 -user UNAME belongs to user -nouser belongs to unknown user |
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28 -group GROUP belongs to group -nogroup belongs to unknown group |
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29 -perm [-]MODE permissons (-=at least) -prune ignore contents of dir |
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30 -size N[c] 512 byte blocks (c=bytes) -xdev stay in this filesystem |
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31 -links N hardlink count -atime N accessed N days ago |
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32 -ctime N created N days ago -mtime N modified N days ago |
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33 -type [bcdflps] (block, char, dir, file, symlink, pipe, socket) |
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34 |
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35 Numbers N may be prefixed by a - (less than) or + (greater than): |
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36 |
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37 Combine matches with: |
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38 !, -a, -o, ( ) not, and, or, group expressions |
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39 |
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40 Actions: |
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41 -print Print match with newline -print0 Print match with null |
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42 -exec Run command with path -execdir Run command in file's dir |
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43 -ok Ask before exec -okdir Ask before execdir |
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44 |
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45 Commands substitute "{}" with matched file. End with ";" to run each file, |
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46 or "+" (next argument after "{}") to collect and run with multiple files. |
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47 */ |
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48 |
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49 #define FOR_find |
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50 #include "toys.h" |
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51 |
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52 GLOBALS( |
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53 char **filter; |
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54 struct double_list *argdata; |
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55 int topdir, xdev, depth, envsize; |
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56 time_t now; |
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57 ) |
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58 |
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59 // None of this can go in TT because you can have more than one -exec |
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60 struct exec_range { |
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61 char *next, *prev; |
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62 |
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63 int dir, plus, arglen, argsize, curly, namecount, namesize; |
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64 char **argstart; |
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65 struct double_list *names; |
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66 }; |
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67 |
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68 // Perform pending -exec (if any) |
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69 static int flush_exec(struct dirtree *new, struct exec_range *aa) |
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70 { |
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71 struct double_list **dl; |
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72 char **newargs; |
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73 int rc; |
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74 |
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75 if (!aa->namecount) return 0; |
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76 |
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77 if (aa->dir && new->parent) dl = (void *)&new->parent->extra; |
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78 else dl = &aa->names; |
1414 | 79 dlist_terminate(*dl); |
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80 |
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81 // switch to directory for -execdir, or back to top if we have an -execdir |
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82 // _and_ a normal -exec, or are at top of tree in -execdir |
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83 if (aa->dir && new->parent) fchdir(new->parent->data); |
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84 else if (TT.topdir != -1) fchdir(TT.topdir); |
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85 |
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86 // execdir: accumulated execs in this directory's children. |
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87 newargs = xmalloc(sizeof(char *)*(aa->arglen+aa->namecount+1)); |
1414 | 88 if (aa->curly < 0) { |
89 memcpy(newargs, aa->argstart, sizeof(char *)*aa->arglen); | |
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90 newargs[aa->arglen] = 0; |
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91 } else { |
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92 struct double_list *dl2 = *dl; |
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93 int pos = aa->curly, rest = aa->arglen - aa->curly; |
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94 |
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95 // Collate argument list |
1414 | 96 memcpy(newargs, aa->argstart, sizeof(char *)*pos); |
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97 for (dl2 = *dl; dl2; dl2 = dl2->next) newargs[pos++] = dl2->data; |
1414 | 98 rest = aa->arglen - aa->curly - 1; |
99 memcpy(newargs+pos, aa->argstart+aa->curly+1, sizeof(char *)*rest); | |
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100 newargs[pos+rest] = 0; |
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101 } |
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102 |
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103 rc = xpclose(xpopen(newargs, 0), 0); |
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104 |
1414 | 105 llist_traverse(*dl, llist_free_double); |
106 *dl = 0; | |
107 aa->namecount = 0; | |
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108 |
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109 return rc; |
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110 } |
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111 |
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112 // Return numeric value with explicit sign |
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113 static int compare_numsign(long val, long units, char *str) |
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114 { |
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115 char sign = 0; |
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116 long myval; |
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117 |
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118 if (*str == '+' || *str == '-') sign = *(str++); |
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119 else if (!isdigit(*str)) error_exit("%s not [+-]N", str); |
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120 myval = atolx(str); |
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121 if (units && isdigit(str[strlen(str)-1])) myval *= units; |
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122 |
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123 if (sign == '+') return val > myval; |
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124 if (sign == '-') return val < myval; |
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125 return val == myval; |
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126 } |
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127 |
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128 static void do_print(struct dirtree *new, char c) |
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129 { |
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130 char *s=dirtree_path(new, 0); |
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131 |
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132 xprintf("%s%c", s, c); |
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133 free(s); |
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134 } |
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135 |
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136 char *strlower(char *s) |
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137 { |
1409 | 138 char *try, *new; |
1407
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139 |
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140 if (!CFG_TOYBOX_I18N) { |
1409 | 141 try = new = xstrdup(s); |
1407
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142 for (; *s; s++) *(new++) = tolower(*s); |
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143 } else { |
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144 // I can't guarantee the string _won't_ expand during reencoding, so...? |
1409 | 145 try = new = xmalloc(strlen(s)*2+1); |
1407
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146 |
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147 while (*s) { |
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148 wchar_t c; |
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149 int len = mbrtowc(&c, s, MB_CUR_MAX, 0); |
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150 |
1407
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151 if (len < 1) *(new++) = *(s++); |
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152 else { |
1409 | 153 s += len; |
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154 // squash title case too |
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155 c = towlower(c); |
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156 |
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157 // if we had a valid utf8 sequence, convert it to lower case, and can't |
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158 // encode back to utf8, something is wrong with your libc. But just |
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159 // in case somebody finds an exploit... |
1409 | 160 len = wcrtomb(new, c, 0); |
1407
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161 if (len < 1) error_exit("bad utf8 %x", c); |
1409 | 162 new += len; |
1407
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163 } |
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164 } |
1409 | 165 *new = 0; |
1407
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166 } |
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167 |
1409 | 168 return try; |
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169 } |
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170 |
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171 // Call this with 0 for first pass argument parsing and syntax checking (which |
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172 // populates argdata). Later commands traverse argdata (in order) when they |
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173 // need "do once" results. |
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174 static int do_find(struct dirtree *new) |
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175 { |
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176 int pcount = 0, print = 0, not = 0, active = !!new, test = active, recurse; |
1407
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177 struct double_list *argdata = TT.argdata; |
1390
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178 char *s, **ss; |
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179 |
1407
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180 recurse = DIRTREE_COMEAGAIN|((toys.optflags&FLAG_L) ? DIRTREE_SYMFOLLOW : 0); |
1390
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181 |
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182 // skip . and .. below topdir, handle -xdev and -depth |
1407
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183 if (new) { |
1390
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184 if (new->parent) { |
c18ad59ae442
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185 if (!dirtree_notdotdot(new)) return 0; |
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186 if (TT.xdev && new->st.st_dev != new->parent->st.st_dev) return 0; |
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187 } |
1407
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188 if (S_ISDIR(new->st.st_mode)) { |
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189 if (!new->again) { |
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190 if (TT.depth) return recurse; |
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191 } else { |
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192 struct double_list *dl; |
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193 |
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194 if (TT.topdir != -1) |
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195 for (dl = TT.argdata; dl; dl = dl->next) |
434ea531a62c
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196 if (dl->prev == (void *)1 || !new->parent) |
434ea531a62c
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197 toys.exitval |= flush_exec(new, (void *)dl); |
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198 |
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199 return 0; |
434ea531a62c
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200 } |
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201 } |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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202 } |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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203 |
c18ad59ae442
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204 // pcount: parentheses stack depth (using toybuf bytes, 4096 max depth) |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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205 // test: result of most recent test |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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206 // active: if 0 don't perform tests |
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207 // not: a pending ! applies to this test (only set if performing tests) |
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208 // print: saw one of print/ok/exec, no need for default -print |
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209 |
c18ad59ae442
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210 if (TT.filter) for (ss = TT.filter; *ss; ss++) { |
c18ad59ae442
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211 int check = active && test; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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212 |
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Rob Landley <rob@landley.net>
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213 s = *ss; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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214 |
c18ad59ae442
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215 // handle ! ( ) using toybuf as a stack |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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216 if (*s != '-') { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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217 if (s[1]) goto error; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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218 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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219 if (*s == '!') { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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220 // Don't invert if we're not making a decision |
c18ad59ae442
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221 if (check) not = !not; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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222 |
c18ad59ae442
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Rob Landley <rob@landley.net>
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223 // Save old "not" and "active" on toybuf stack. |
c18ad59ae442
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224 // Deactivate this parenthetical if !test |
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225 // Note: test value should never change while !active |
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226 } else if (*s == '(') { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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227 if (pcount == sizeof(toybuf)) goto error; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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228 toybuf[pcount++] = not+(active<<1); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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229 if (!check) active = 0; |
1393 | 230 not = 0; |
1390
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231 |
c18ad59ae442
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232 // Pop status, apply deferred not to test |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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233 } else if (*s == ')') { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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234 if (--pcount < 0) goto error; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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235 // Pop active state, apply deferred not (which was only set if checking) |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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236 active = (toybuf[pcount]>>1)&1; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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237 if (active && (toybuf[pcount]&1)) test = !test; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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238 not = 0; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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239 } else goto error; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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|
240 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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241 continue; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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242 } else s++; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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|
243 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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244 if (!strcmp(s, "xdev")) TT.xdev = 1; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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245 else if (!strcmp(s, "depth")) TT.depth = 1; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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|
246 else if (!strcmp(s, "o") || !strcmp(s, "or")) { |
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Rob Landley <rob@landley.net>
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247 if (not) goto error; |
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Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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248 if (active) { |
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Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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249 if (!test) test = 1; |
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Write a new find. Not quite done, but the basics work.
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250 else active = 0; // decision has been made until next ")" |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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251 } |
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Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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252 |
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Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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253 // Mostly ignore NOP argument |
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Rob Landley <rob@landley.net>
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254 } else if (!strcmp(s, "a") || !strcmp(s, "and")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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255 if (not) goto error; |
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Rob Landley <rob@landley.net>
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256 |
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Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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257 } else if (!strcmp(s, "print") || !strcmp("print0", s)) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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258 print++; |
1393 | 259 if (check) do_print(new, s[5] ? 0 : '\n'); |
1390
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260 |
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Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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261 } else if (!strcmp(s, "nouser")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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262 if (check) if (getpwuid(new->st.st_uid)) test = 0; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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263 } else if (!strcmp(s, "nogroup")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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264 if (check) if (getgrgid(new->st.st_gid)) test = 0; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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265 } else if (!strcmp(s, "prune")) { |
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Write a new find. Not quite done, but the basics work.
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266 if (check && S_ISDIR(new->st.st_dev) && !TT.depth) recurse = 0; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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267 |
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Rob Landley <rob@landley.net>
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268 // Remaining filters take an argument |
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269 } else { |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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270 if (!strcmp(s, "name") || !strcmp(s, "iname") |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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271 || !strcmp(s, "path") || !strcmp(s, "ipath")) |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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272 { |
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273 int i = (*s == 'i'); |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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274 char *arg = ss[1], *path = 0, *name = new->name; |
1390
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275 |
1407
434ea531a62c
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276 // Handle path expansion and case flattening |
434ea531a62c
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277 if (new && s[i] == 'p') name = path = dirtree_path(new, 0); |
434ea531a62c
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278 if (i) { |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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279 if (check || !new) { |
434ea531a62c
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280 name = strlower(new ? name : arg); |
434ea531a62c
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281 if (!new) { |
434ea531a62c
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282 dlist_add(&TT.argdata, name); |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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283 free(path); |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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284 } else arg = ((struct double_list *)llist_pop(&argdata))->data; |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
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285 } |
434ea531a62c
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286 } |
434ea531a62c
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287 |
1390
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288 if (check) { |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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289 test = !fnmatch(arg, name, FNM_PATHNAME*(s[i] == 'p')); |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
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290 free(path); |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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291 if (i) free(name); |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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292 } |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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293 } else if (!strcmp(s, "perm")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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294 if (check) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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295 char *m = ss[1]; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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296 mode_t m1 = string_to_mode(m+(*m == '-'), 0), |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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297 m2 = new->st.st_dev & 07777; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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298 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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299 if (*m != '-') m2 &= m1; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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300 test = m1 == m2; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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|
301 } |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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302 } else if (!strcmp(s, "type")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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|
303 if (check) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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|
304 char c = stridx("bcdlpfs", *ss[1]); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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305 int types[] = {S_IFBLK, S_IFCHR, S_IFDIR, S_IFLNK, S_IFIFO, |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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|
306 S_IFREG, S_IFSOCK}; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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parents:
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|
307 |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
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|
308 if ((new->st.st_mode & S_IFMT) != types[c]) test = 0; |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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309 } |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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|
310 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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|
311 } else if (!strcmp(s, "atime")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
312 if (check) |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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313 test = compare_numsign(TT.now - new->st.st_atime, 86400, ss[1]); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
314 } else if (!strcmp(s, "ctime")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
315 if (check) |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
316 test = compare_numsign(TT.now - new->st.st_ctime, 86400, ss[1]); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
317 } else if (!strcmp(s, "mtime")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
318 if (check) |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
319 test = compare_numsign(TT.now - new->st.st_mtime, 86400, ss[1]); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
320 } else if (!strcmp(s, "size")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
321 if (check) |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
322 test = compare_numsign(new->st.st_size, 512, ss[1]); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
323 } else if (!strcmp(s, "links")) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
324 if (check) test = compare_numsign(new->st.st_nlink, 0, ss[1]); |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
325 } else if (!strcmp(s, "user") || !strcmp(s, "group") |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
326 || !strcmp(s, "newer")) |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
327 { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
328 struct { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
329 void *next, *prev; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
330 union { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
331 uid_t uid; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
332 gid_t gid; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
333 struct timespec tm; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
334 } u; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
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diff
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|
335 } *udl; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
336 |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
337 if (!new && ss[1]) { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
338 udl = xmalloc(sizeof(*udl)); |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
339 dlist_add_nomalloc(&TT.argdata, (void *)udl); |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
340 |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
341 if (*s == 'u') udl->u.uid = xgetpwnam(ss[1])->pw_uid; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
342 else if (*s == 'g') udl->u.gid = xgetgrnam(ss[1])->gr_gid; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
343 else { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
344 struct stat st; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
345 |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
346 xstat(ss[1], &st); |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
347 udl->u.tm = st.st_mtim; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
348 } |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
349 } else if (check) { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
350 udl = (void *)llist_pop(&argdata); |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
351 if (*s == 'u') test = new->st.st_uid == udl->u.uid; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
352 else if (*s == 'g') test = new->st.st_gid == udl->u.gid; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
353 else { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
354 test = new->st.st_mtim.tv_sec > udl->u.tm.tv_sec; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
355 if (new->st.st_mtim.tv_sec == udl->u.tm.tv_sec) |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
356 test = new->st.st_mtim.tv_nsec > udl->u.tm.tv_nsec; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
357 } |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
changeset
|
358 } |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
changeset
|
359 } else if (!strcmp(s, "exec") || !strcmp("ok", s) |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
changeset
|
360 || !strcmp(s, "execdir") || !strcmp(s, "okdir")) |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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361 { |
434ea531a62c
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362 struct exec_range *aa; |
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|
363 |
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364 print++; |
1407
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365 |
434ea531a62c
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366 // Initial argument parsing pass |
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367 if (!new) { |
1414 | 368 int len; |
1407
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369 |
1414 | 370 // catch "-exec" with no args and "-exec \;" |
371 if (!ss[1] || !strcmp(ss[1], ";")) error_exit("'%s' needs 1 arg", s); | |
1407
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372 |
1414 | 373 dlist_add_nomalloc(&TT.argdata, (void *)(aa = xzalloc(sizeof(*aa)))); |
374 aa->argstart = ++ss; | |
375 aa->curly = -1; | |
376 | |
377 // Record command line arguments to -exec | |
378 for (len = 0; ss[len]; len++) { | |
379 if (!strcmp(ss[len], ";")) break; | |
380 else if (!strcmp(ss[len], "{}")) { | |
381 aa->curly = len; | |
382 if (!strcmp(ss[len+1], "+")) { | |
1407
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|
383 |
1414 | 384 // Measure environment space |
385 if (!TT.envsize) { | |
386 char **env; | |
1407
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387 |
1414 | 388 for (env = environ; *env; env++) |
389 TT.envsize += sizeof(char *) + strlen(*env) + 1; | |
390 TT.envsize += sizeof(char *); | |
1407
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find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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391 } |
1414 | 392 aa->plus++; |
393 len++; | |
394 break; | |
395 } | |
396 } else aa->argsize += sizeof(char *) + strlen(ss[len]) + 1; | |
1407
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397 } |
1414 | 398 if (!ss[len]) error_exit("-exec without \\;"); |
399 ss += len; | |
400 aa->arglen = len; | |
401 aa->dir = !!strchr(s, 'd'); | |
402 if (aa->dir && TT.topdir == -1) TT.topdir = xopen(".", 0); | |
1407
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find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
403 |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
404 // collect names and execute commands |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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405 } else if (check) { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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406 char *name, *ss1 = ss[1]; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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|
407 struct double_list **ddl; |
1407
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408 |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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409 // Grab command line exec argument list |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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|
410 aa = (void *)llist_pop(&argdata); |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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|
411 ss += aa->arglen + 1; |
1407
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412 |
1420
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Implement exec -user, -group, and -newer. Enable find in defconfig.
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413 // name is always a new malloc, so we can always free it. |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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|
414 name = aa->dir ? xstrdup(new->name) : dirtree_path(new, 0); |
1407
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415 |
1420
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Implement exec -user, -group, and -newer. Enable find in defconfig.
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416 // Mark entry so COMEAGAIN can call flush_exec() in parent. |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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417 // This is never a valid pointer valud for prev to have otherwise |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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418 if (aa->dir) aa->prev = (void *)1; |
1407
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419 |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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420 if (*s == 'o') { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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421 char *prompt = xmprintf("[%s] %s", ss1, name); |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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422 if(!(test = yesno(prompt, 0))) goto cont; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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423 } |
1407
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424 |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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425 // Add next name to list (global list without -dir, local with) |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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426 if (aa->dir && new->parent) |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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|
427 ddl = (struct double_list **)&new->parent->extra; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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428 else ddl = &aa->names; |
1407
434ea531a62c
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|
429 |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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|
430 // Is this + mode? |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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|
431 if (aa->plus) { |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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432 int size = sizeof(char *)+strlen(name)+1; |
1407
434ea531a62c
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|
433 |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
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1414
diff
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|
434 // Linux caps environment space (env vars + args) at 32 4k pages. |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
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diff
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|
435 // todo: is there a way to probe this instead of constant here? |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
436 |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
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1414
diff
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|
437 if (TT.envsize+aa->argsize+aa->namesize+size >= 131072) |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
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1414
diff
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|
438 toys.exitval |= flush_exec(new, aa); |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
parents:
1414
diff
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|
439 aa->namesize += size; |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
440 } |
1420
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
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|
441 dlist_add(ddl, name); |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
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diff
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|
442 aa->namecount++; |
9d760c092c41
Implement exec -user, -group, and -newer. Enable find in defconfig.
Rob Landley <rob@landley.net>
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1414
diff
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|
443 if (!aa->plus) test = flush_exec(new, aa); |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
444 } |
1414 | 445 |
446 // Argument consumed, skip the check. | |
447 goto cont; | |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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|
448 } else goto error; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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|
449 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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|
450 // This test can go at the end because we do a syntax checking |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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451 // pass first. Putting it here gets the error message (-unknown |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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452 // vs -known noarg) right. |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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453 if (!*++ss) error_exit("'%s' needs 1 arg", --s); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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parents:
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|
454 } |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
455 cont: |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
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|
456 // Apply pending "!" to result |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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parents:
diff
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|
457 if (active && not) test = !test; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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parents:
diff
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|
458 not = 0; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
459 } |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
460 |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
461 if (new) { |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
462 // If there was no action, print |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
463 if (!print && test) do_print(new, '\n'); |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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|
464 } else dlist_terminate(TT.argdata); |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
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diff
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|
465 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
466 return recurse; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
467 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
468 error: |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
469 error_exit("bad arg '%s'", *ss); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
470 } |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
471 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
472 void find_main(void) |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
473 { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
474 int i, len; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
475 char **ss = toys.optargs; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
476 |
1407
434ea531a62c
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|
477 TT.topdir = -1; |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
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parents:
1393
diff
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|
478 |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
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|
479 // Distinguish paths from filters |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
480 for (len = 0; toys.optargs[len]; len++) |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
481 if (strchr("-!(", *toys.optargs[len])) break; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
482 TT.filter = toys.optargs+len; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
483 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
484 // use "." if no paths |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
changeset
|
485 if (!*ss || **ss == '-') { |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
486 ss = (char *[]){"."}; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
487 len = 1; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
488 } |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
489 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
490 // first pass argument parsing, verify args match up, handle "evaluate once" |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
491 TT.now = time(0); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
492 do_find(0); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
493 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
494 // Loop through paths |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
495 for (i = 0; i < len; i++) { |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
496 struct dirtree *new; |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
497 |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
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|
498 new = dirtree_add_node(0, ss[i], toys.optflags&(FLAG_H|FLAG_L)); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
499 if (new) dirtree_handle_callback(new, do_find); |
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
500 } |
1407
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
changeset
|
501 |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
changeset
|
502 if (CFG_TOYBOX_FREE) { |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
changeset
|
503 close(TT.topdir); |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
changeset
|
504 llist_traverse(TT.argdata, free); |
434ea531a62c
find.c: first pass at case case insensitivity and exec. (Needs more debugging.)
Rob Landley <rob@landley.net>
parents:
1393
diff
changeset
|
505 } |
1390
c18ad59ae442
Write a new find. Not quite done, but the basics work.
Rob Landley <rob@landley.net>
parents:
diff
changeset
|
506 } |