2 * Copyright (c) 1989, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
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(const struct timespec);
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_atim);
170 else if (f_statustime)
171 printtime(sp->st_ctim);
173 printtime(sp->st_mtim);
177 color_printed = colortype(sp->st_mode);
179 printname(p->fts_name);
181 if (f_color && color_printed)
185 printtype(sp->st_mode);
186 if (S_ISLNK(sp->st_mode))
193 printstream(const DISPLAY *dp)
198 for (p = dp->list, chcnt = 0; p; p = p->fts_link) {
199 if (p->fts_number == NO_PRINT)
201 /* XXX strlen does not take octal escapes into account. */
202 if (strlen(p->fts_name) + chcnt +
203 (p->fts_link ? 2 : 0) >= (unsigned)termwidth) {
207 chcnt += printaname(p, dp->s_inode, dp->s_block);
218 printcol(const DISPLAY *dp)
220 static FTSENT **array;
221 static int lastentries = -1;
242 * Have to do random access in the linked list -- build a table
245 if (dp->entries > lastentries) {
246 lastentries = dp->entries;
248 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
253 lastentries = dp->entries;
256 for (p = dp->list, num = 0; p; p = p->fts_link)
257 if (p->fts_number != NO_PRINT)
260 colwidth = dp->maxlen;
262 colwidth += dp->s_inode + 1;
264 colwidth += dp->s_block + 1;
268 colwidth = rounddown2(colwidth + tabwidth, tabwidth);
269 if (termwidth < 2 * colwidth) {
273 numcols = termwidth / colwidth;
274 numrows = num / numcols;
278 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
279 (f_longform || f_size)) {
280 printf("total %lu\n", howmany(dp->btotal, blocksize));
283 /* counter if f_sortacross, else case-by-case */
286 for (row = 0; row < numrows; ++row) {
290 for (col = 0, chcnt = 0; col < numcols; ++col) {
291 chcnt += printaname(array[base], dp->s_inode,
299 while ((cnt = (rounddown2(chcnt + tabwidth, tabwidth)))
301 if (f_sortacross && col + 1 >= numcols)
303 putchar(f_notabs ? ' ' : '\t');
313 * print [inode] [size] name
314 * return # of characters printed, no trailing characters.
317 printaname(const FTSENT *p, u_long inodefield, u_long sizefield)
322 int color_printed = 0;
328 chcnt += printf("%*ju ", (int)inodefield,
329 (uintmax_t)sp->st_ino);
332 chcnt += printf("%*jd ",
333 (int)sizefield, howmany(sp->st_blocks, blocksize));
336 color_printed = colortype(sp->st_mode);
338 chcnt += printname(p->fts_name);
340 if (f_color && color_printed)
344 chcnt += printtype(sp->st_mode);
349 printtime(const struct timespec stt)
353 const struct tm *ptime;
355 static char *lc_time;
356 static int posix_time;
358 #define SIXMONTHS ((365 / 2) * 86400)
363 if (lc_time == NULL) {
364 lc_time = setlocale(LC_TIME, NULL);
365 posix_time = (strcmp(lc_time, "C") == 0);
370 * User specified format
372 format = f_timeformat;
373 } else if (f_sectime) {
375 * POSIX: Not covered by standard. If C/POSIX locale used
376 * the old convention of mmm dd hh:mm:ss yyyy is kept.
377 * Named locales use the extended ISO 8601 format without T:
378 * YYYY-DD-MM hh:mm:ss
380 format = posix_time ? "%b %e %T %Y" : "%F %T";
381 } else if (posix_time) {
383 * POSIX: Future or older than 6 months returns equivalent of
385 * If file was modified within the past 6 months,
386 * return equivalent of: date "+%b %e %H:%M"
388 if ((stt.tv_sec > now) || (stt.tv_sec < now - SIXMONTHS))
394 * Named locales use format DD-MMM-YYYY hh:mm
395 * Regardless of locale, English is used for month field
397 format = "%d-%b-%Y %H:%M";
401 * If printing the nanotime field, always use GMT time
404 ptime = gmtime(&(stt.tv_sec));
406 ptime = localtime(&(stt.tv_sec));
408 strftime_l(longstring, sizeof(longstring), format, ptime, NULL);
409 fputs(longstring, stdout);
411 printf(".%09ju", stt.tv_nsec);
415 printtype(u_int mode)
419 if ((mode & S_IFMT) == S_IFDIR) {
426 switch (mode & S_IFMT) {
445 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
465 write(STDOUT_FILENO, &tmp, 1);
475 tputs(enter_bold, 1, putch);
477 if (colors[c].num[0] != -1) {
478 ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]);
480 tputs(ansiseq, 1, putch);
482 if (colors[c].num[1] != -1) {
483 ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]);
485 tputs(ansiseq, 1, putch);
492 tputs(ansi_coloff, 1, sig ? writech : putch);
493 tputs(attrs_off, 1, sig ? writech : putch);
497 colortype(mode_t mode)
499 switch (mode & S_IFMT) {
526 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
529 else if (mode & S_ISGID)
539 parsecolors(const char *cs)
545 short legacy_warn = 0;
548 cs = ""; /* LSCOLORS not set */
550 for (i = 0; i < C_NUMCOLORS; i++) {
553 if (len <= 2 * (size_t)i) {
554 c[0] = defcolors[2 * i];
555 c[1] = defcolors[2 * i + 1];
558 c[1] = cs[2 * i + 1];
560 for (j = 0; j < 2; j++) {
561 /* Legacy colours used 0-7 */
562 if (c[j] >= '0' && c[j] <= '7') {
563 colors[i].num[j] = c[j] - '0';
565 warnx("LSCOLORS should use "
566 "characters a-h instead of 0-9 ("
567 "see the manual page)\n");
570 } else if (c[j] >= 'a' && c[j] <= 'h')
571 colors[i].num[j] = c[j] - 'a';
572 else if (c[j] >= 'A' && c[j] <= 'H') {
573 colors[i].num[j] = c[j] - 'A';
575 } else if (tolower((unsigned char)c[j] == 'x'))
576 colors[i].num[j] = -1;
578 warnx("invalid character '%c' in LSCOLORS"
580 colors[i].num[j] = -1;
591 signal(sig, SIG_DFL);
598 printlink(const FTSENT *p)
601 char name[MAXPATHLEN + 1];
602 char path[MAXPATHLEN + 1];
604 if (p->fts_level == FTS_ROOTLEVEL)
605 snprintf(name, sizeof(name), "%s", p->fts_name);
607 snprintf(name, sizeof(name),
608 "%s/%s", p->fts_parent->fts_accpath, p->fts_name);
609 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
610 fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
619 printsize(size_t width, off_t bytes)
624 humanize_number(buf, sizeof(buf), (int64_t)bytes, "",
625 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
628 printf("%*jd ", (int)width, (uintmax_t)bytes);