annotate toys/posix/ls.c @ 941:62ba5ce62e9d 0.4.5

Make ls output major, minor for block devices.
author Rob Landley <rob@landley.net>
date Mon, 01 Jul 2013 00:10:28 -0500
parents a425f97975d3
children 422696039640
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1 /* ls.c - list files
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2 *
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3 * Copyright 2012 Andre Renaud <andre@bluewatersys.com>
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4 * Copyright 2012 Rob Landley <rob@landley.net>
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5 *
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6 * See http://opengroup.org/onlinepubs/9699919799/utilities/ls.html
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7
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8 USE_LS(NEWTOY(ls, USE_LS_COLOR("(color)")"goACFHLRSacdfiklmnpqrstux1[-1Cglmnox][-cu][-ftS][-HL]", TOYFLAG_BIN))
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9
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10 config LS
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11 bool "ls"
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12 default y
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13 help
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14 usage: ls [-ACFHLRSacdfiklmnpqrstux1] [directory...]
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15 list files
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16
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17 what to show:
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18 -a all files including .hidden -c use ctime for timestamps
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19 -d directory, not contents -i inode number
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20 -k block sizes in kilobytes -p put a '/' after dir names
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21 -q unprintable chars as '?' -s size (in blocks)
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22 -u use access time for timestamps -A list all files but . and ..
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23 -H follow command line symlinks -L follow symlinks
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24 -R recursively list files in subdirs -F append /dir *exe @sym |FIFO
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25
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26 output formats:
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27 -1 list one file per line -C columns (sorted vertically)
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28 -g like -l but no owner -l long (show full details)
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29 -m comma separated -n like -l but numeric uid/gid
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30 -o like -l but no group -x columns (horizontal sort)
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31
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32 sorting (default is alphabetical):
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33 -f unsorted -r reverse -t timestamp -S size
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34
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35 config LS_COLOR
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36 bool "ls --color"
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37 default y
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38 help
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39 usage: ls --color
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40
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41 --color device=yellow symlink=turquoise/red dir=blue socket=purple
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42 files: exe=green suid=red suidfile=redback stickydir=greenback
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43 */
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44
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45 #define FOR_ls
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46 #include "toys.h"
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47
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48 // test sst output (suid/sticky in ls flaglist)
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50 // ls -lR starts .: then ./subdir:
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51
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52 GLOBALS(
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53 struct dirtree *files;
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54
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55 unsigned screen_width;
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56 int nl_title;
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57
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58 // group and user can make overlapping use of the utoa() buf, so move it
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59 char uid_buf[12];
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60 )
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61
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62 void dlist_to_dirtree(struct dirtree *parent)
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63 {
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64 // Turn double_list into dirtree
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65 struct dirtree *dt = parent->child;
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66 if (dt) {
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67 dt->parent->next = NULL;
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68 while (dt) {
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69 dt->parent = parent;
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70 dt = dt->next;
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71 }
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72 }
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73 }
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74
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75 static char endtype(struct stat *st)
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76 {
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77 mode_t mode = st->st_mode;
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78 if ((toys.optflags&(FLAG_F|FLAG_p)) && S_ISDIR(mode)) return '/';
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79 if (toys.optflags & FLAG_F) {
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80 if (S_ISLNK(mode)) return '@';
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81 if (S_ISREG(mode) && (mode&0111)) return '*';
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82 if (S_ISFIFO(mode)) return '|';
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83 if (S_ISSOCK(mode)) return '=';
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84 }
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85 return 0;
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86 }
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88 static char *getusername(uid_t uid)
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89 {
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90 struct passwd *pw = getpwuid(uid);
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91 utoa_to_buf(uid, TT.uid_buf, 12);
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92 return pw ? pw->pw_name : TT.uid_buf;
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93 }
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95 static char *getgroupname(gid_t gid)
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96 {
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97 struct group *gr = getgrgid(gid);
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98 return gr ? gr->gr_name : utoa(gid);
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99 }
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101 // Figure out size of printable entry fields for display indent/wrap
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103 static void entrylen(struct dirtree *dt, unsigned *len)
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104 {
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105 struct stat *st = &(dt->st);
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106 unsigned flags = toys.optflags;
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107
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108 *len = strlen(dt->name);
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109 if (endtype(st)) ++*len;
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110 if (flags & FLAG_m) ++*len;
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111
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112 if (flags & FLAG_i) *len += (len[1] = numlen(st->st_ino));
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113 if (flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g)) {
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114 unsigned fn = flags & FLAG_n;
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115 len[2] = numlen(st->st_nlink);
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116 len[3] = strlen(fn ? utoa(st->st_uid) : getusername(st->st_uid));
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117 len[4] = strlen(fn ? utoa(st->st_gid) : getgroupname(st->st_gid));
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118 if (S_ISBLK(st->st_mode) || S_ISCHR(st->st_mode)) {
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119 // cheating slightly here: assuming minor is always 3 digits to avoid
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120 // tracking another column
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121 len[5] = numlen(major(st->st_rdev))+5;
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122 } else len[5] = numlen(st->st_size);
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123 }
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124 if (flags & FLAG_s) *len += (len[6] = numlen(st->st_blocks));
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125 }
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126
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127 static int compare(void *a, void *b)
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128 {
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129 struct dirtree *dta = *(struct dirtree **)a;
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130 struct dirtree *dtb = *(struct dirtree **)b;
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131 int ret = 0, reverse = (toys.optflags & FLAG_r) ? -1 : 1;
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132
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133 if (toys.optflags & FLAG_S) {
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134 if (dta->st.st_size > dtb->st.st_size) ret = -1;
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135 else if (dta->st.st_size < dtb->st.st_size) ret = 1;
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136 }
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137 if (toys.optflags & FLAG_t) {
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138 if (dta->st.st_mtime > dtb->st.st_mtime) ret = -1;
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139 else if (dta->st.st_mtime < dtb->st.st_mtime) ret = 1;
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140 }
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141 if (!ret) ret = strcmp(dta->name, dtb->name);
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142 return ret * reverse;
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143 }
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144
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145 // callback from dirtree_recurse() determining how to handle this entry.
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146
565
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147 static int filter(struct dirtree *new)
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148 {
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149 int flags = toys.optflags;
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150
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151 // Special case to handle enormous dirs without running out of memory.
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152 if (flags == (FLAG_1|FLAG_f)) {
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153 xprintf("%s\n", new->name);
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154 return 0;
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155 }
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156
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157 if (flags & FLAG_u) new->st.st_mtime = new->st.st_atime;
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158 if (flags & FLAG_c) new->st.st_mtime = new->st.st_ctime;
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159 if (flags & FLAG_k) new->st.st_blocks = (new->st.st_blocks + 1) / 2;
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160
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161 if (flags & (FLAG_a|FLAG_f)) return DIRTREE_SAVE;
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162 if (!(flags & FLAG_A) && new->name[0]=='.') return 0;
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163
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164 return dirtree_notdotdot(new) & DIRTREE_SAVE;
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165 }
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166
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167 // For column view, calculate horizontal position (for padding) and return
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168 // index of next entry to display.
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169
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170 static unsigned long next_column(unsigned long ul, unsigned long dtlen,
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171 unsigned columns, unsigned *xpos)
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172 {
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173 unsigned long transition;
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174 unsigned height, widecols;
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175
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176 // Horizontal sort is easy
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177 if (!(toys.optflags & FLAG_C)) {
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178 *xpos = ul % columns;
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179 return ul;
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180 }
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181
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182 // vertical sort
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183
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184 // For -x, calculate height of display, rounded up
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185 height = (dtlen+columns-1)/columns;
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186
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187 // Sanity check: does wrapping render this column count impossible
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188 // due to the right edge wrapping eating a whole row?
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189 if (height*columns - dtlen >= height) {
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190 *xpos = columns;
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191 return 0;
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192 }
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193
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194 // Uneven rounding goes along right edge
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195 widecols = dtlen % height;
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196 if (!widecols) widecols = height;
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197 transition = widecols * columns;
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198 if (ul < transition) {
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199 *xpos = ul % columns;
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200 return (*xpos*height) + (ul/columns);
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201 }
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202
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203 ul -= transition;
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204 *xpos = ul % (columns-1);
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205
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206 return (*xpos*height) + widecols + (ul/(columns-1));
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207 }
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208
940
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209 int color_from_mode(mode_t mode)
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210 {
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211 int color = 0;
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212
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213 if (S_ISDIR(mode)) color = 256+34;
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214 else if (S_ISLNK(mode)) color = 256+36;
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215 else if (S_ISBLK(mode) || S_ISCHR(mode)) color = 256+33;
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216 else if (S_ISREG(mode) && (mode&0111)) color = 256+32;
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217 else if (S_ISFIFO(mode)) color = 33;
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218 else if (S_ISSOCK(mode)) color = 256+35;
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219
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220 return color;
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221 }
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222
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223 // Display a list of dirtree entries, according to current format
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224 // Output types -1, -l, -C, or stream
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225
573
c42ed3601b35 Simplify/unify listfiles recursion: populate directory node (and detect top of tree) at start of function rather than end (and redundantly in main). Move title printing down next to total printing.
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226 static void listfiles(int dirfd, struct dirtree *indir)
565
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227 {
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228 struct dirtree *dt, **sort = 0;
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229 unsigned long dtlen = 0, ul = 0;
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230 unsigned width, flags = toys.optflags, totals[7], len[7],
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231 *colsizes = (unsigned *)(toybuf+260), columns = (sizeof(toybuf)-260)/4;
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232
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233 memset(totals, 0, sizeof(totals));
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234
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235 // Silently descend into single directory listed by itself on command line.
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236 // In this case only show dirname/total header when given -R.
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237 if (!indir->parent) {
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238 if (!(dt = indir->child)) return;
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239 if (S_ISDIR(dt->st.st_mode) && !dt->next && !(flags & FLAG_d)) {
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240 dt->extra = 1;
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241 listfiles(open(dt->name, 0), dt);
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242 return;
565
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243 }
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244 } else {
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245 // Read directory contents. We dup() the fd because this will close it.
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246 indir->data = dup(dirfd);
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247 dirtree_recurse(indir, filter, (flags&FLAG_L));
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248 }
565
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249
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250 // Copy linked list to array and sort it. Directories go in array because
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251 // we visit them in sorted order.
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252
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253 for (;;) {
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254 for (dt = indir->child; dt; dt = dt->next) {
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255 if (sort) sort[dtlen] = dt;
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256 dtlen++;
565
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257 }
694
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258 if (sort) break;
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259 sort = xmalloc(dtlen * sizeof(void *));
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260 dtlen = 0;
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261 continue;
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262 }
565
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263
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264 // Label directory if not top of tree, or if -R
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265 if (indir->parent && (!indir->extra || (flags & FLAG_R)))
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266 {
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267 char *path = dirtree_path(indir, 0);
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fb582378a36a Implement DIRTREE_SYMFOLLOW and ls -cSHL.
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268
694
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269 if (TT.nl_title++) xputc('\n');
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270 xprintf("%s:\n", path);
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271 free(path);
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272 }
593
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273
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274 if (!(flags & FLAG_f)) qsort(sort, dtlen, sizeof(void *), (void *)compare);
565
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275
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276 // Find largest entry in each field for display alignment
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277 if (flags & (FLAG_C|FLAG_x)) {
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278
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279 // columns can't be more than toybuf can hold, or more than files,
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280 // or > 1/2 screen width (one char filename, one space).
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281 if (columns > TT.screen_width/2) columns = TT.screen_width/2;
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282 if (columns > dtlen) columns = dtlen;
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283
694
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284 // Try to fit as many columns as we can, dropping down by one each time
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285 for (;columns > 1; columns--) {
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286 unsigned c, totlen = columns;
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.)
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287
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288 memset(colsizes, 0, columns*sizeof(unsigned));
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diff changeset
289 for (ul=0; ul<dtlen; ul++) {
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diff changeset
290 entrylen(sort[next_column(ul, dtlen, columns, &c)], len);
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diff changeset
291 if (c == columns) break;
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diff changeset
292 // Does this put us over budget?
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diff changeset
293 if (*len > colsizes[c]) {
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diff changeset
294 totlen += *len-colsizes[c];
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295 colsizes[c] = *len;
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diff changeset
296 if (totlen > TT.screen_width) break;
584
ca6875170b9a Implement -C and -x for ls.
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parents: 580
diff changeset
297 }
694
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298 }
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diff changeset
299 // If it fit, stop here
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diff changeset
300 if (ul == dtlen) break;
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301 }
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302 } else if (flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g|FLAG_s)) {
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diff changeset
303 unsigned long blocks = 0;
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.)
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304
694
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305 for (ul = 0; ul<dtlen; ul++)
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306 {
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307 entrylen(sort[ul], len);
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308 for (width=0; width<6; width++)
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309 if (len[width] > totals[width]) totals[width] = len[width];
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diff changeset
310 blocks += sort[ul]->st.st_blocks;
573
c42ed3601b35 Simplify/unify listfiles recursion: populate directory node (and detect top of tree) at start of function rather than end (and redundantly in main). Move title printing down next to total printing.
Rob Landley <rob@landley.net>
parents: 571
diff changeset
311 }
c42ed3601b35 Simplify/unify listfiles recursion: populate directory node (and detect top of tree) at start of function rather than end (and redundantly in main). Move title printing down next to total printing.
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312
694
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313 if (indir->parent) xprintf("total %lu\n", blocks);
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314 }
565
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Rob Landley <rob@landley.net>
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315
694
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316 // Loop through again to produce output.
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317 memset(toybuf, ' ', 256);
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318 width = 0;
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319 for (ul = 0; ul<dtlen; ul++) {
940
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
320 unsigned curcol, color = 0;
694
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321 unsigned long next = next_column(ul, dtlen, columns, &curcol);
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diff changeset
322 struct stat *st = &(sort[next]->st);
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323 mode_t mode = st->st_mode;
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324 char et = endtype(st);
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diff changeset
325
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326 // Skip directories at the top of the tree when -d isn't set
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327 if (S_ISDIR(mode) && !indir->parent && !(flags & FLAG_d)) continue;
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328 TT.nl_title=1;
571
1a06fcaa1775 Make -d work in ls.
Rob Landley <rob@landley.net>
parents: 570
diff changeset
329
694
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330 // Handle padding and wrapping for display purposes
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331 entrylen(sort[next], len);
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332 if (ul) {
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diff changeset
333 if (flags & FLAG_m) xputc(',');
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diff changeset
334 if (flags & (FLAG_C|FLAG_x)) {
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diff changeset
335 if (!curcol) xputc('\n');
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336 } else if ((flags & FLAG_1) || width+1+*len > TT.screen_width) {
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337 xputc('\n');
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338 width = 0;
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339 } else {
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340 xputc(' ');
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diff changeset
341 width++;
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342 }
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343 }
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344 width += *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.)
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diff changeset
345
694
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346 if (flags & FLAG_i) xprintf("% *lu ", len[1], (unsigned long)st->st_ino);
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diff changeset
347 if (flags & FLAG_s) xprintf("% *lu ", len[6], (unsigned long)st->st_blocks);
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: 533
diff changeset
348
694
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diff changeset
349 if (flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g)) {
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Rob Landley <rob@landley.net>
parents: 674
diff changeset
350 struct tm *tm;
885
beb32d780164 Add library function for the file permission formatting in ls and stat
Felix Janda <felix.janda@posteo.de>
parents: 768
diff changeset
351 char perm[11], thyme[64], *usr, *upad, *grp, *grpad;
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: 533
diff changeset
352
916
b92cb3cc9696 Stat cleanup.
Rob Landley <rob@landley.net>
parents: 885
diff changeset
353 mode_to_string(mode, perm);
593
fb582378a36a Implement DIRTREE_SYMFOLLOW and ls -cSHL.
Rob Landley <rob@landley.net>
parents: 591
diff changeset
354
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
355 tm = localtime(&(st->st_mtime));
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diff changeset
356 strftime(thyme, sizeof(thyme), "%F %H:%M", tm);
593
fb582378a36a Implement DIRTREE_SYMFOLLOW and ls -cSHL.
Rob Landley <rob@landley.net>
parents: 591
diff changeset
357
694
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diff changeset
358 if (flags&FLAG_o) grp = grpad = toybuf+256;
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diff changeset
359 else {
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360 grp = (flags&FLAG_n) ? utoa(st->st_gid) : getgroupname(st->st_gid);
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diff changeset
361 grpad = toybuf+256-(totals[4]-len[4]);
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diff changeset
362 }
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: 533
diff changeset
363
694
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parents: 674
diff changeset
364 if (flags&FLAG_g) usr = upad = toybuf+256;
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diff changeset
365 else {
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Rob Landley <rob@landley.net>
parents: 674
diff changeset
366 upad = toybuf+255-(totals[3]-len[3]);
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diff changeset
367 if (flags&FLAG_n) {
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diff changeset
368 usr = TT.uid_buf;
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diff changeset
369 utoa_to_buf(st->st_uid, TT.uid_buf, 12);
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370 } else usr = getusername(st->st_uid);
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diff changeset
371 }
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: 533
diff changeset
372
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: 674
diff changeset
373 // Coerce the st types into something we know we can print.
941
62ba5ce62e9d Make ls output major, minor for block devices.
Rob Landley <rob@landley.net>
parents: 940
diff changeset
374 printf("%s% *ld %s%s%s%s", perm, totals[2]+1, (long)st->st_nlink,
62ba5ce62e9d Make ls output major, minor for block devices.
Rob Landley <rob@landley.net>
parents: 940
diff changeset
375 usr, upad, grp, grpad);
62ba5ce62e9d Make ls output major, minor for block devices.
Rob Landley <rob@landley.net>
parents: 940
diff changeset
376
62ba5ce62e9d Make ls output major, minor for block devices.
Rob Landley <rob@landley.net>
parents: 940
diff changeset
377 if (S_ISCHR(st->st_mode) || S_ISBLK(st->st_mode))
62ba5ce62e9d Make ls output major, minor for block devices.
Rob Landley <rob@landley.net>
parents: 940
diff changeset
378 printf("% *d,% 4d", totals[5]-4, major(st->st_rdev),minor(st->st_rdev));
62ba5ce62e9d Make ls output major, minor for block devices.
Rob Landley <rob@landley.net>
parents: 940
diff changeset
379 else printf("% *"PRId64, totals[5]+1, (int64_t)st->st_size);
62ba5ce62e9d Make ls output major, minor for block devices.
Rob Landley <rob@landley.net>
parents: 940
diff changeset
380 xprintf(" %s ", thyme);
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: 533
diff changeset
381 }
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: 533
diff changeset
382
940
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
383 if ((flags & FLAG_color) && TT.screen_width) {
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
384 color = color_from_mode(st->st_mode);
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
385 if (color) printf("\033[%d;%dm", color>>8, color&255);
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
386 }
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
387
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: 674
diff changeset
388 if (flags & FLAG_q) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
389 char *p;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
390 for (p=sort[next]->name; *p; p++) xputc(isprint(*p) ? *p : '?');
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
391 } else xprintf("%s", sort[next]->name);
940
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
392 if (color) xprintf("\033[0m");
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
393
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
394 if ((flags & (FLAG_l|FLAG_o|FLAG_n|FLAG_g)) && S_ISLNK(mode)) {
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
395 printf(" -> ");
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
396 if ((flags & FLAG_color) && TT.screen_width) {
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
397 struct stat st2;
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
398
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
399 if (fstatat(dirfd, sort[next]->symlink, &st2, 0)) color = 256+31;
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
400 else color = color_from_mode(st2.st_mode);
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
401
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
402 if (color) printf("\033[%d;%dm", color>>8, color&255);
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
403 }
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
404
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
405 printf("%s", sort[next]->symlink);
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
406 if (color) printf("\033[0m");
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
407 }
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: 533
diff changeset
408
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: 674
diff changeset
409 if (et) xputc(et);
571
1a06fcaa1775 Make -d work in ls.
Rob Landley <rob@landley.net>
parents: 570
diff changeset
410
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: 674
diff changeset
411 // Pad columns
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
412 if (flags & (FLAG_C|FLAG_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: 674
diff changeset
413 curcol = colsizes[curcol] - *len;
937
871c68a35e95 Fix another segfault in ls -C when terminal size is 0x0.
Rob Landley <rob@landley.net>
parents: 916
diff changeset
414 if (curcol < 255) xprintf("%s", toybuf+255-curcol);
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: 674
diff changeset
415 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
416 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
417
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
418 if (width) xputc('\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: 674
diff changeset
419
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
420 // Free directory entries, recursing first if necessary.
571
1a06fcaa1775 Make -d work in ls.
Rob Landley <rob@landley.net>
parents: 570
diff changeset
421
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: 674
diff changeset
422 for (ul = 0; ul<dtlen; free(sort[ul++])) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
423 if ((flags & FLAG_d) || !S_ISDIR(sort[ul]->st.st_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: 674
diff changeset
424 || !dirtree_notdotdot(sort[ul])) 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: 674
diff changeset
425
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
426 // Recurse into dirs if at top of the tree or given -R
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
427 if (!indir->parent || (flags & FLAG_R))
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
428 listfiles(openat(dirfd, sort[ul]->name, 0), sort[ul]);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
429 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
430 free(sort);
940
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
431 if (dirfd != AT_FDCWD) close(dirfd);
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: 533
diff changeset
432 }
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: 533
diff changeset
433
458
9786a697d5aa Add ls from Andre Renaud.
Rob Landley <rob@landley.net>
parents:
diff changeset
434 void ls_main(void)
9786a697d5aa Add ls from Andre Renaud.
Rob Landley <rob@landley.net>
parents:
diff changeset
435 {
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: 674
diff changeset
436 char **s, *noargs[] = {".", 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: 674
diff changeset
437 struct dirtree *dt;
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: 533
diff changeset
438
940
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
439 TT.screen_width = 80;
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
440 terminal_size(&TT.screen_width, NULL);
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
441 if (TT.screen_width<2) TT.screen_width = 2;
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
442
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: 674
diff changeset
443 // Do we have an implied -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: 674
diff changeset
444 if (!isatty(1) || (toys.optflags&(FLAG_l|FLAG_o|FLAG_n|FLAG_g)))
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
445 toys.optflags |= FLAG_1;
940
a425f97975d3 First pass at ls --color
Rob Landley <rob@landley.net>
parents: 939
diff changeset
446 else if (!(toys.optflags&(FLAG_1|FLAG_x|FLAG_m))) toys.optflags |= FLAG_C;
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: 674
diff changeset
447 // The optflags parsing infrastructure should really do this for us,
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
448 // but currently it has "switch off when this is set", so "-dR" and "-Rd"
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
449 // behave differently
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
450 if (toys.optflags & FLAG_d) toys.optflags &= ~FLAG_R;
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: 533
diff changeset
451
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: 674
diff changeset
452 // Iterate through command line arguments, collecting directories and files.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
453 // Non-absolute paths are relative to current directory.
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
454 TT.files = dirtree_add_node(0, 0, 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: 674
diff changeset
455 for (s = *toys.optargs ? toys.optargs : noargs; *s; s++) {
735
3aaba60133c8 Have dirtree_add_node() set parent so error message can provide full path.
Rob Landley <rob@landley.net>
parents: 733
diff changeset
456 dt = dirtree_add_node(0, *s,
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: 674
diff changeset
457 (toys.optflags & (FLAG_L|FLAG_H|FLAG_l))^FLAG_l);
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: 533
diff changeset
458
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: 674
diff changeset
459 if (!dt) {
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
460 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: 674
diff changeset
461 continue;
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: 533
diff changeset
462 }
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: 533
diff changeset
463
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: 674
diff changeset
464 // Typecast means double_list->prev temporarirly goes in dirtree->parent
733
0cd93dd23b8d Minor whitespace tweak.
Rob Landley <rob@landley.net>
parents: 714
diff changeset
465 dlist_add_nomalloc((void *)&TT.files->child, (struct double_list *)dt);
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: 674
diff changeset
466 }
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: 533
diff changeset
467
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: 674
diff changeset
468 // Turn double_list into dirtree
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
469 dlist_to_dirtree(TT.files);
569
2e0367cb9585 More work on ls. Now ls -lR sort of works-ish.
Rob Landley <rob@landley.net>
parents: 565
diff changeset
470
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: 674
diff changeset
471 // Display the files we collected
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
472 listfiles(AT_FDCWD, TT.files);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
473
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
Rob Landley <rob@landley.net>
parents: 674
diff changeset
474 if (CFG_TOYBOX_FREE) free(TT.files);
458
9786a697d5aa Add ls from Andre Renaud.
Rob Landley <rob@landley.net>
parents:
diff changeset
475 }