2 * Copyright (c) 1989, 1993, 1994
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5 * This code is derived from software contributed to Berkeley by
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32 * @(#)print.c 8.4 (Berkeley) 4/17/94
33 * $FreeBSD: src/bin/ls/print.c,v 1.73 2004/06/08 09:27:42 das Exp $
36 #include <sys/param.h>
59 static int printaname(const FTSENT *, u_long, u_long);
60 static void printlink(const FTSENT *);
61 static void printtime(time_t);
62 static int printtype(u_int);
63 static void printsize(size_t, off_t);
65 static void endcolor(int);
66 static int colortype(mode_t);
69 #define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT)
72 /* Most of these are taken from <sys/stat.h> */
74 C_DIR, /* directory */
75 C_LNK, /* symbolic link */
78 C_EXEC, /* executable */
79 C_BLK, /* block special */
80 C_CHR, /* character special */
81 C_SUID, /* setuid executable */
82 C_SGID, /* setgid executable */
83 C_WSDIR, /* directory writeble to others, with sticky
85 C_WDIR, /* directory writeble to others, without
87 C_NUMCOLORS /* just a place-holder */
90 static const char *defcolors = "exfxcxdxbxegedabagacad";
92 /* colors for file types */
96 } colors[C_NUMCOLORS];
100 printscol(const DISPLAY *dp)
104 for (p = dp->list; p; p = p->fts_link) {
107 printaname(p, dp->s_inode, dp->s_block);
113 * print name in current style
116 printname(const char *name)
118 if (f_octal || f_octal_escape)
119 return prn_octal(name);
121 return prn_printable(name);
123 return prn_normal(name);
127 printlong(const DISPLAY *dp)
134 int color_printed = 0;
137 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
138 (f_longform || f_size)) {
139 printf("total %lu\n", howmany(dp->btotal, blocksize));
142 for (p = dp->list; p; p = p->fts_link) {
147 printf("%*ju ", dp->s_inode, (uintmax_t)sp->st_ino);
150 dp->s_block, howmany(sp->st_blocks, blocksize));
151 strmode(sp->st_mode, buf);
153 printf("%s %*u %-*s %-*s ", buf, dp->s_nlink,
154 sp->st_nlink, dp->s_user, np->user, dp->s_group,
157 printf("%s ", np->fsmid);
159 printf("%-*s ", dp->s_flags, np->flags);
160 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
161 printf("%3d, 0x%08x ",
162 major(sp->st_rdev), (u_int)minor(sp->st_rdev));
165 8 - dp->s_size, "", dp->s_size, (intmax_t)sp->st_size);
167 printsize(dp->s_size, sp->st_size);
169 printtime(sp->st_atime);
170 else if (f_statustime)
171 printtime(sp->st_ctime);
173 printtime(sp->st_mtime);
176 color_printed = colortype(sp->st_mode);
178 printname(p->fts_name);
180 if (f_color && color_printed)
184 printtype(sp->st_mode);
185 if (S_ISLNK(sp->st_mode))
192 printstream(const DISPLAY *dp)
197 for (p = dp->list, chcnt = 0; p; p = p->fts_link) {
198 if (p->fts_number == NO_PRINT)
200 /* XXX strlen does not take octal escapes into account. */
201 if (strlen(p->fts_name) + chcnt +
202 (p->fts_link ? 2 : 0) >= (unsigned)termwidth) {
206 chcnt += printaname(p, dp->s_inode, dp->s_block);
217 printcol(const DISPLAY *dp)
219 static FTSENT **array;
220 static int lastentries = -1;
241 * Have to do random access in the linked list -- build a table
244 if (dp->entries > lastentries) {
245 lastentries = dp->entries;
247 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
252 lastentries = dp->entries;
255 for (p = dp->list, num = 0; p; p = p->fts_link)
256 if (p->fts_number != NO_PRINT)
259 colwidth = dp->maxlen;
261 colwidth += dp->s_inode + 1;
263 colwidth += dp->s_block + 1;
267 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1);
268 if (termwidth < 2 * colwidth) {
272 numcols = termwidth / colwidth;
273 numrows = num / numcols;
277 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
278 (f_longform || f_size)) {
279 printf("total %lu\n", howmany(dp->btotal, blocksize));
282 /* counter if f_sortacross, else case-by-case */
285 for (row = 0; row < numrows; ++row) {
289 for (col = 0, chcnt = 0; col < numcols; ++col) {
290 chcnt += printaname(array[base], dp->s_inode,
298 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1)))
300 if (f_sortacross && col + 1 >= numcols)
302 putchar(f_notabs ? ' ' : '\t');
312 * print [inode] [size] name
313 * return # of characters printed, no trailing characters.
316 printaname(const FTSENT *p, u_long inodefield, u_long sizefield)
321 int color_printed = 0;
327 chcnt += printf("%*ju ", (int)inodefield,
328 (uintmax_t)sp->st_ino);
331 chcnt += printf("%*jd ",
332 (int)sizefield, howmany(sp->st_blocks, blocksize));
335 color_printed = colortype(sp->st_mode);
337 chcnt += printname(p->fts_name);
339 if (f_color && color_printed)
343 chcnt += printtype(sp->st_mode);
348 printtime(time_t ftime)
353 static char *lc_time;
354 static int posix_time;
356 #define SIXMONTHS ((365 / 2) * 86400)
361 if (lc_time == NULL) {
362 lc_time = setlocale(LC_TIME, NULL);
363 posix_time = (strcmp(lc_time, "C") == 0);
368 * POSIX: Not covered by standard. If C/POSIX locale used
369 * the old convention of mmm dd hh:mm:ss yyyy is kept.
370 * Named locales use the extended ISO 8601 format without T:
371 * YYYY-DD-MM hh:mm:ss
373 format = posix_time ? "%b %e %T %Y " : "%F %T ";
374 } else if (posix_time) {
376 * POSIX: Future or older than 6 months returns equivalent of
378 * If file was modified within the past 6 months,
379 * return equivalent of: date "+%b %e %H:%M"
381 if ((ftime > now) || (ftime < now - SIXMONTHS))
382 format = "%b %e %Y ";
384 format = "%b %e %R ";
387 * Named locales use format DD-MMM-YYYY hh:mm
388 * Regardless of locale, English is used for month field
390 format = "%d-%b-%Y %H:%M ";
393 strftime_l(longstring, sizeof(longstring), format, localtime(&ftime),
395 fputs(longstring, stdout);
399 printtype(u_int mode)
403 if ((mode & S_IFMT) == S_IFDIR) {
410 switch (mode & S_IFMT) {
429 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
449 write(STDOUT_FILENO, &tmp, 1);
459 tputs(enter_bold, 1, putch);
461 if (colors[c].num[0] != -1) {
462 ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]);
464 tputs(ansiseq, 1, putch);
466 if (colors[c].num[1] != -1) {
467 ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]);
469 tputs(ansiseq, 1, putch);
476 tputs(ansi_coloff, 1, sig ? writech : putch);
477 tputs(attrs_off, 1, sig ? writech : putch);
481 colortype(mode_t mode)
483 switch (mode & S_IFMT) {
510 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
513 else if (mode & S_ISGID)
523 parsecolors(const char *cs)
529 short legacy_warn = 0;
532 cs = ""; /* LSCOLORS not set */
534 for (i = 0; i < C_NUMCOLORS; i++) {
537 if (len <= 2 * (size_t)i) {
538 c[0] = defcolors[2 * i];
539 c[1] = defcolors[2 * i + 1];
542 c[1] = cs[2 * i + 1];
544 for (j = 0; j < 2; j++) {
545 /* Legacy colours used 0-7 */
546 if (c[j] >= '0' && c[j] <= '7') {
547 colors[i].num[j] = c[j] - '0';
549 warnx("LSCOLORS should use "
550 "characters a-h instead of 0-9 ("
551 "see the manual page)\n");
554 } else if (c[j] >= 'a' && c[j] <= 'h')
555 colors[i].num[j] = c[j] - 'a';
556 else if (c[j] >= 'A' && c[j] <= 'H') {
557 colors[i].num[j] = c[j] - 'A';
559 } else if (tolower((unsigned char)c[j] == 'x'))
560 colors[i].num[j] = -1;
562 warnx("invalid character '%c' in LSCOLORS"
564 colors[i].num[j] = -1;
575 signal(sig, SIG_DFL);
582 printlink(const FTSENT *p)
585 char name[MAXPATHLEN + 1];
586 char path[MAXPATHLEN + 1];
588 if (p->fts_level == FTS_ROOTLEVEL)
589 snprintf(name, sizeof(name), "%s", p->fts_name);
591 snprintf(name, sizeof(name),
592 "%s/%s", p->fts_parent->fts_accpath, p->fts_name);
593 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
594 fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
603 printsize(size_t width, off_t bytes)
608 humanize_number(buf, sizeof(buf), (int64_t)bytes, "",
609 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
612 printf("%*jd ", (int)width, (uintmax_t)bytes);