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1 | /* |
2 | * Copyright (c) 1989 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
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5 | * This code is derived from software contributed to Berkeley by |
6 | * Michael Fischbein. | |
7 | * | |
ff47ce84 | 8 | %sccs.include.redist.c% |
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9 | */ |
10 | ||
11 | #ifndef lint | |
ff47ce84 | 12 | static char sccsid[] = "@(#)print.c 5.20 (Berkeley) %G%"; |
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13 | #endif /* not lint */ |
14 | ||
15 | #include <sys/param.h> | |
16 | #include <sys/stat.h> | |
17 | #include <stdio.h> | |
18 | #include <grp.h> | |
19 | #include <pwd.h> | |
a1a213d1 | 20 | #include <utmp.h> |
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21 | #include <tzfile.h> |
22 | #include "ls.h" | |
23 | ||
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24 | printscol(stats, num) |
25 | register LS *stats; | |
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26 | register int num; |
27 | { | |
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28 | for (; num--; ++stats) { |
29 | (void)printaname(stats); | |
30 | (void)putchar('\n'); | |
31 | } | |
32 | } | |
33 | ||
34 | printlong(stats, num) | |
35 | LS *stats; | |
36 | register int num; | |
37 | { | |
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38 | char *user_from_uid(), *group_from_gid(); |
39 | ||
4dfe4db2 | 40 | if (f_total) |
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41 | (void)printf("total %lu\n", f_kblocks ? |
42 | howmany(stats[0].lstat.st_btotal, 2) : | |
43 | stats[0].lstat.st_btotal); | |
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44 | for (; num--; ++stats) { |
45 | if (f_inode) | |
46 | (void)printf("%6lu ", stats->lstat.st_ino); | |
47 | if (f_size) | |
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48 | (void)printf("%4ld ", f_kblocks ? |
49 | howmany(stats->lstat.st_blocks, 2) : | |
50 | stats->lstat.st_blocks); | |
75a967bb | 51 | printperms(stats->lstat.st_mode); |
83ce5973 | 52 | (void)printf("%3u %-*s ", stats->lstat.st_nlink, UT_NAMESIZE, |
5295572f | 53 | user_from_uid(stats->lstat.st_uid, 0)); |
75a967bb | 54 | if (f_group) |
83ce5973 | 55 | (void)printf("%-*s ", UT_NAMESIZE, |
5295572f | 56 | group_from_gid(stats->lstat.st_gid, 0)); |
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57 | if (S_ISCHR(stats->lstat.st_mode) || |
58 | S_ISBLK(stats->lstat.st_mode)) | |
6aef32a9 | 59 | (void)printf("%3d, %3d ", major(stats->lstat.st_rdev), |
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60 | minor(stats->lstat.st_rdev)); |
61 | else | |
62 | (void)printf("%8ld ", stats->lstat.st_size); | |
63 | if (f_accesstime) | |
64 | printtime(stats->lstat.st_atime); | |
65 | else if (f_statustime) | |
66 | printtime(stats->lstat.st_ctime); | |
67 | else | |
68 | printtime(stats->lstat.st_mtime); | |
69 | (void)printf("%s", stats->name); | |
70 | if (f_type) | |
71 | (void)printtype(stats->lstat.st_mode); | |
72 | if (S_ISLNK(stats->lstat.st_mode)) | |
73 | printlink(stats->name); | |
74 | (void)putchar('\n'); | |
75 | } | |
76 | } | |
77 | ||
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78 | #define TAB 8 |
79 | ||
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80 | printcol(stats, num) |
81 | LS *stats; | |
67e8527c | 82 | int num; |
75a967bb | 83 | { |
eb8c7f67 | 84 | extern int termwidth; |
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85 | register int base, chcnt, cnt, col, colwidth; |
86 | int endcol, numcols, numrows, row; | |
62a77e99 | 87 | |
45e87c19 | 88 | colwidth = stats[0].lstat.st_maxlen; |
62a77e99 | 89 | if (f_inode) |
9071313b | 90 | colwidth += 6; |
62a77e99 | 91 | if (f_size) |
9071313b | 92 | colwidth += 5; |
62a77e99 | 93 | if (f_type) |
9071313b | 94 | colwidth += 1; |
299cb8d5 | 95 | |
3cc8e3ba | 96 | colwidth = (colwidth + TAB) & ~(TAB - 1); |
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97 | if (termwidth < 2 * colwidth) { |
98 | printscol(stats, num); | |
99 | return; | |
100 | } | |
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101 | |
102 | numcols = termwidth / colwidth; | |
103 | numrows = num / numcols; | |
104 | if (num % numcols) | |
105 | ++numrows; | |
62a77e99 | 106 | |
4dfe4db2 | 107 | if (f_size && f_total) |
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108 | (void)printf("total %lu\n", f_kblocks ? |
109 | howmany(stats[0].lstat.st_btotal, 2) : | |
110 | stats[0].lstat.st_btotal); | |
9071313b | 111 | for (row = 0; row < numrows; ++row) { |
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112 | endcol = colwidth; |
113 | for (base = row, chcnt = col = 0; col < numcols; ++col) { | |
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114 | chcnt += printaname(stats + base); |
115 | if ((base += numrows) >= num) | |
62a77e99 | 116 | break; |
67e8527c | 117 | while ((cnt = (chcnt + TAB & ~(TAB - 1))) <= endcol) { |
9071313b | 118 | (void)putchar('\t'); |
67e8527c | 119 | chcnt = cnt; |
62a77e99 | 120 | } |
67e8527c | 121 | endcol += colwidth; |
62a77e99 | 122 | } |
9071313b | 123 | putchar('\n'); |
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124 | } |
125 | } | |
126 | ||
127 | /* | |
128 | * print [inode] [size] name | |
129 | * return # of characters printed, no trailing characters | |
130 | */ | |
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131 | printaname(lp) |
132 | LS *lp; | |
62a77e99 | 133 | { |
75a967bb | 134 | int chcnt; |
62a77e99 | 135 | |
75a967bb | 136 | chcnt = 0; |
62a77e99 | 137 | if (f_inode) |
75a967bb | 138 | chcnt += printf("%5lu ", lp->lstat.st_ino); |
62a77e99 | 139 | if (f_size) |
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140 | chcnt += printf("%4ld ", f_kblocks ? |
141 | howmany(lp->lstat.st_blocks, 2) : lp->lstat.st_blocks); | |
75a967bb | 142 | chcnt += printf("%s", lp->name); |
62a77e99 | 143 | if (f_type) |
75a967bb | 144 | chcnt += printtype(lp->lstat.st_mode); |
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145 | return(chcnt); |
146 | } | |
147 | ||
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148 | printtime(ftime) |
149 | time_t ftime; | |
150 | { | |
151 | int i; | |
152 | char *longstring, *ctime(); | |
153 | time_t time(); | |
154 | ||
155 | longstring = ctime((long *)&ftime); | |
156 | for (i = 4; i < 11; ++i) | |
157 | (void)putchar(longstring[i]); | |
158 | ||
159 | #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) | |
160 | if (ftime + SIXMONTHS > time((time_t *)NULL)) | |
161 | for (i = 11; i < 16; ++i) | |
162 | (void)putchar(longstring[i]); | |
163 | else { | |
164 | (void)putchar(' '); | |
165 | for (i = 20; i < 24; ++i) | |
166 | (void)putchar(longstring[i]); | |
167 | } | |
168 | (void)putchar(' '); | |
169 | } | |
170 | ||
171 | /* | |
172 | * do the permissions printing, passed the mode | |
173 | */ | |
174 | printperms(mode) | |
175 | mode_t mode; | |
176 | { | |
177 | /* print type */ | |
178 | switch (mode & S_IFMT) { | |
179 | case S_IFDIR: /* directory */ | |
180 | (void)putchar('d'); | |
181 | break; | |
182 | case S_IFCHR: /* character special */ | |
183 | (void)putchar('c'); | |
184 | break; | |
185 | case S_IFBLK: /* block special */ | |
186 | (void)putchar('b'); | |
187 | break; | |
188 | case S_IFREG: /* regular */ | |
189 | (void)putchar('-'); | |
190 | break; | |
191 | case S_IFLNK: /* symbolic link */ | |
192 | (void)putchar('l'); | |
193 | break; | |
194 | case S_IFSOCK: /* socket */ | |
195 | (void)putchar('s'); | |
196 | break; | |
197 | #ifdef S_IFIFO | |
198 | case S_IFIFO: /* fifo */ | |
199 | (void)putchar('p'); | |
200 | break; | |
201 | #endif | |
202 | default: /* unknown */ | |
203 | (void)putchar('?'); | |
204 | break; | |
205 | } | |
206 | /* usr */ | |
207 | if (mode & S_IRUSR) | |
208 | (void)putchar('r'); | |
209 | else | |
210 | (void)putchar('-'); | |
211 | if (mode & S_IWUSR) | |
212 | (void)putchar('w'); | |
213 | else | |
214 | (void)putchar('-'); | |
215 | switch (mode & (S_IXUSR | S_ISUID)) { | |
216 | case 0: | |
217 | (void)putchar('-'); | |
218 | break; | |
219 | case S_IXUSR: | |
220 | (void)putchar('x'); | |
221 | break; | |
222 | case S_ISUID: | |
223 | (void)putchar('S'); | |
224 | break; | |
225 | case S_IXUSR | S_ISUID: | |
226 | (void)putchar('s'); | |
227 | break; | |
228 | } | |
229 | /* group */ | |
230 | if (mode & S_IRGRP) | |
231 | (void)putchar('r'); | |
232 | else | |
233 | (void)putchar('-'); | |
234 | if (mode & S_IWGRP) | |
235 | (void)putchar('w'); | |
236 | else | |
237 | (void)putchar('-'); | |
238 | switch (mode & (S_IXGRP | S_ISGID)) { | |
239 | case 0: | |
240 | (void)putchar('-'); | |
241 | break; | |
242 | case S_IXGRP: | |
243 | (void)putchar('x'); | |
244 | break; | |
245 | case S_ISGID: | |
246 | (void)putchar('S'); | |
247 | break; | |
248 | case S_IXGRP | S_ISGID: | |
249 | (void)putchar('s'); | |
250 | break; | |
251 | } | |
252 | /* other */ | |
253 | if (mode & S_IROTH) | |
254 | (void)putchar('r'); | |
255 | else | |
256 | (void)putchar('-'); | |
257 | if (mode & S_IWOTH) | |
258 | (void)putchar('w'); | |
259 | else | |
260 | (void)putchar('-'); | |
261 | switch (mode & (S_IXOTH | S_ISVTX)) { | |
262 | case 0: | |
263 | (void)putchar('-'); | |
264 | break; | |
265 | case S_IXOTH: | |
266 | (void)putchar('x'); | |
267 | break; | |
268 | case S_ISVTX: | |
269 | (void)putchar('T'); | |
270 | break; | |
271 | case S_IXOTH | S_ISVTX: | |
272 | (void)putchar('t'); | |
273 | break; | |
274 | } | |
6aef32a9 | 275 | (void)putchar(' '); |
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276 | } |
277 | ||
278 | printtype(mode) | |
279 | mode_t mode; | |
280 | { | |
281 | switch(mode & S_IFMT) { | |
282 | case S_IFDIR: | |
283 | (void)putchar('/'); | |
284 | return(1); | |
285 | case S_IFLNK: | |
286 | (void)putchar('@'); | |
287 | return(1); | |
288 | case S_IFSOCK: | |
289 | (void)putchar('='); | |
290 | return(1); | |
291 | } | |
292 | if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) { | |
293 | (void)putchar('*'); | |
294 | return(1); | |
295 | } | |
296 | return(0); | |
297 | } | |
298 | ||
299 | printlink(name) | |
300 | char *name; | |
301 | { | |
302 | int lnklen; | |
303 | char path[MAXPATHLEN + 1], *strerror(); | |
304 | ||
305 | if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) { | |
306 | (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno)); | |
307 | return; | |
308 | } | |
309 | path[lnklen] = '\0'; | |
310 | (void)printf(" -> %s", path); | |
311 | } |