2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1989, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
7 * This code is derived from software contributed to Berkeley by
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11 * modification, are permitted provided that the following conditions
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14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
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17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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37 static char sccsid[] = "@(#)print.c 8.4 (Berkeley) 4/17/94";
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
43 #include <sys/param.h>
69 static int printaname(const FTSENT *, u_long, u_long);
70 static void printdev(size_t, dev_t);
71 static void printlink(const FTSENT *);
72 static void printtime(time_t);
73 static int printtype(u_int);
74 static void printsize(size_t, off_t);
76 static void endcolor(int);
77 static int colortype(mode_t);
79 static void aclmode(char *, const FTSENT *);
81 #define IS_NOPRINT(p) ((p)->fts_number == NO_PRINT)
84 /* Most of these are taken from <sys/stat.h> */
86 C_DIR, /* directory */
87 C_LNK, /* symbolic link */
90 C_EXEC, /* executable */
91 C_BLK, /* block special */
92 C_CHR, /* character special */
93 C_SUID, /* setuid executable */
94 C_SGID, /* setgid executable */
95 C_WSDIR, /* directory writeble to others, with sticky
97 C_WDIR, /* directory writeble to others, without
99 C_NUMCOLORS /* just a place-holder */
102 static const char *defcolors = "exfxcxdxbxegedabagacad";
104 /* colors for file types */
108 } colors[C_NUMCOLORS];
111 static size_t padding_for_month[12];
112 static size_t month_max_size = 0;
115 printscol(const DISPLAY *dp)
119 for (p = dp->list; p; p = p->fts_link) {
122 (void)printaname(p, dp->s_inode, dp->s_block);
128 * print name in current style
131 printname(const char *name)
133 if (f_octal || f_octal_escape)
134 return prn_octal(name);
136 return prn_printable(name);
138 return prn_normal(name);
146 case 0: return (nl_langinfo(ABMON_1));
147 case 1: return (nl_langinfo(ABMON_2));
148 case 2: return (nl_langinfo(ABMON_3));
149 case 3: return (nl_langinfo(ABMON_4));
150 case 4: return (nl_langinfo(ABMON_5));
151 case 5: return (nl_langinfo(ABMON_6));
152 case 6: return (nl_langinfo(ABMON_7));
153 case 7: return (nl_langinfo(ABMON_8));
154 case 8: return (nl_langinfo(ABMON_9));
155 case 9: return (nl_langinfo(ABMON_10));
156 case 10: return (nl_langinfo(ABMON_11));
157 case 11: return (nl_langinfo(ABMON_12));
160 /* should never happen */
165 mbswidth(const char *month)
168 size_t width, donelen, clen, w;
171 while ((clen = mbrtowc(&wc, month + donelen, MB_LEN_MAX, NULL)) != 0) {
172 if (clen == (size_t)-1 || clen == (size_t)-2)
175 if ((w = wcwidth(wc)) == (size_t)-1)
184 compute_abbreviated_month_size(void)
188 size_t months_width[12];
190 for (i = 0; i < 12; i++) {
191 width = mbswidth(get_abmon(i));
192 if (width == (size_t)-1) {
196 months_width[i] = width;
197 if (width > month_max_size)
198 month_max_size = width;
201 for (i = 0; i < 12; i++)
202 padding_for_month[i] = month_max_size - months_width[i];
206 printlong(const DISPLAY *dp)
213 int color_printed = 0;
216 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
217 (f_longform || f_size)) {
218 (void)printf("total %lu\n", howmany(dp->btotal, blocksize));
221 for (p = dp->list; p; p = p->fts_link) {
226 (void)printf("%*ju ",
227 dp->s_inode, (uintmax_t)sp->st_ino);
229 (void)printf("%*jd ",
230 dp->s_block, howmany(sp->st_blocks, blocksize));
231 strmode(sp->st_mode, buf);
234 (void)printf("%s %*ju %-*s %-*s ", buf, dp->s_nlink,
235 (uintmax_t)sp->st_nlink, dp->s_user, np->user, dp->s_group,
238 (void)printf("%-*s ", dp->s_flags, np->flags);
240 (void)printf("%-*s ", dp->s_label, np->label);
241 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
242 printdev(dp->s_size, sp->st_rdev);
244 printsize(dp->s_size, sp->st_size);
246 printtime(sp->st_atime);
247 else if (f_birthtime)
248 printtime(sp->st_birthtime);
249 else if (f_statustime)
250 printtime(sp->st_ctime);
252 printtime(sp->st_mtime);
255 color_printed = colortype(sp->st_mode);
257 (void)printname(p->fts_name);
259 if (f_color && color_printed)
263 (void)printtype(sp->st_mode);
264 if (S_ISLNK(sp->st_mode))
271 printstream(const DISPLAY *dp)
276 for (p = dp->list, chcnt = 0; p; p = p->fts_link) {
277 if (p->fts_number == NO_PRINT)
279 /* XXX strlen does not take octal escapes into account. */
280 if (strlen(p->fts_name) + chcnt +
281 (p->fts_link ? 2 : 0) >= (unsigned)termwidth) {
285 chcnt += printaname(p, dp->s_inode, dp->s_block);
296 printcol(const DISPLAY *dp)
298 static FTSENT **array;
299 static int lastentries = -1;
320 * Have to do random access in the linked list -- build a table
323 if (dp->entries > lastentries) {
325 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
330 lastentries = dp->entries;
333 for (p = dp->list, num = 0; p; p = p->fts_link)
334 if (p->fts_number != NO_PRINT)
337 colwidth = dp->maxlen;
339 colwidth += dp->s_inode + 1;
341 colwidth += dp->s_block + 1;
345 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1);
346 if (termwidth < 2 * colwidth) {
350 numcols = termwidth / colwidth;
351 numrows = num / numcols;
355 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
356 (f_longform || f_size)) {
357 (void)printf("total %lu\n", howmany(dp->btotal, blocksize));
361 for (row = 0; row < numrows; ++row) {
365 for (col = 0, chcnt = 0; col < numcols; ++col) {
366 chcnt += printaname(array[base], dp->s_inode,
374 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1)))
376 if (f_sortacross && col + 1 >= numcols)
378 (void)putchar(f_notabs ? ' ' : '\t');
388 * print [inode] [size] name
389 * return # of characters printed, no trailing characters.
392 printaname(const FTSENT *p, u_long inodefield, u_long sizefield)
397 int color_printed = 0;
403 chcnt += printf("%*ju ",
404 (int)inodefield, (uintmax_t)sp->st_ino);
406 chcnt += printf("%*jd ",
407 (int)sizefield, howmany(sp->st_blocks, blocksize));
410 color_printed = colortype(sp->st_mode);
412 chcnt += printname(p->fts_name);
414 if (f_color && color_printed)
418 chcnt += printtype(sp->st_mode);
423 * Print device special file major and minor numbers.
426 printdev(size_t width, dev_t dev)
429 (void)printf("%#*jx ", (u_int)width, (uintmax_t)dev);
433 ls_strftime(char *str, size_t len, const char *fmt, const struct tm *tm)
435 char *posb, nfmt[BUFSIZ];
436 const char *format = fmt;
439 if ((posb = strstr(fmt, "%b")) != NULL) {
440 if (month_max_size == 0) {
441 compute_abbreviated_month_size();
443 if (month_max_size > 0) {
444 snprintf(nfmt, sizeof(nfmt), "%.*s%s%*s%s",
445 (int)(posb - fmt), fmt,
446 get_abmon(tm->tm_mon),
447 (int)padding_for_month[tm->tm_mon],
453 ret = strftime(str, len, format, tm);
458 printtime(time_t ftime)
461 static time_t now = 0;
463 static int d_first = -1;
466 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
470 #define SIXMONTHS ((365 / 2) * 86400)
471 if (f_timeformat) /* user specified format */
472 format = f_timeformat;
474 /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */
475 format = d_first ? "%e %b %T %Y" : "%b %e %T %Y";
476 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS)
477 /* mmm dd hh:mm || dd mmm hh:mm */
478 format = d_first ? "%e %b %R" : "%b %e %R";
480 /* mmm dd yyyy || dd mmm yyyy */
481 format = d_first ? "%e %b %Y" : "%b %e %Y";
482 ls_strftime(longstring, sizeof(longstring), format, localtime(&ftime));
483 fputs(longstring, stdout);
488 printtype(u_int mode)
492 if ((mode & S_IFMT) == S_IFDIR) {
499 switch (mode & S_IFMT) {
518 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
538 (void)write(STDOUT_FILENO, &tmp, 1);
548 tputs(enter_bold, 1, putch);
550 if (colors[c].num[0] != -1) {
551 ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]);
553 tputs(ansiseq, 1, putch);
555 if (colors[c].num[1] != -1) {
556 ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]);
558 tputs(ansiseq, 1, putch);
565 tputs(ansi_coloff, 1, sig ? writech : putch);
566 tputs(attrs_off, 1, sig ? writech : putch);
570 colortype(mode_t mode)
572 switch (mode & S_IFMT) {
599 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
602 else if (mode & S_ISGID)
612 parsecolors(const char *cs)
618 short legacy_warn = 0;
621 cs = ""; /* LSCOLORS not set */
623 for (i = 0; i < (int)C_NUMCOLORS; i++) {
626 if (len <= 2 * (size_t)i) {
627 c[0] = defcolors[2 * i];
628 c[1] = defcolors[2 * i + 1];
631 c[1] = cs[2 * i + 1];
633 for (j = 0; j < 2; j++) {
634 /* Legacy colours used 0-7 */
635 if (c[j] >= '0' && c[j] <= '7') {
636 colors[i].num[j] = c[j] - '0';
638 warnx("LSCOLORS should use "
639 "characters a-h instead of 0-9 ("
640 "see the manual page)");
643 } else if (c[j] >= 'a' && c[j] <= 'h')
644 colors[i].num[j] = c[j] - 'a';
645 else if (c[j] >= 'A' && c[j] <= 'H') {
646 colors[i].num[j] = c[j] - 'A';
648 } else if (tolower((unsigned char)c[j]) == 'x')
649 colors[i].num[j] = -1;
651 warnx("invalid character '%c' in LSCOLORS"
653 colors[i].num[j] = -1;
664 (void)signal(sig, SIG_DFL);
665 (void)kill(getpid(), sig);
671 printlink(const FTSENT *p)
674 char name[MAXPATHLEN + 1];
675 char path[MAXPATHLEN + 1];
677 if (p->fts_level == FTS_ROOTLEVEL)
678 (void)snprintf(name, sizeof(name), "%s", p->fts_name);
680 (void)snprintf(name, sizeof(name),
681 "%s/%s", p->fts_parent->fts_accpath, p->fts_name);
682 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
683 (void)fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
687 (void)printf(" -> ");
688 (void)printname(path);
692 printsize(size_t width, off_t bytes)
697 * Reserve one space before the size and allocate room for
700 char buf[HUMANVALSTR_LEN - 1 + 1];
702 humanize_number(buf, sizeof(buf), (int64_t)bytes, "",
703 HN_AUTOSCALE, HN_B | HN_NOSPACE | HN_DECIMAL);
704 (void)printf("%*s ", (u_int)width, buf);
705 } else if (f_thousands) { /* with commas */
706 /* This format assignment needed to work round gcc bug. */
707 const char *format = "%*j'd ";
708 (void)printf(format, (u_int)width, bytes);
710 (void)printf("%*jd ", (u_int)width, bytes);
714 * Add a + after the standard rwxrwxrwx mode if the file has an
715 * ACL. strmode() reserves space at the end of the string.
718 aclmode(char *buf, const FTSENT *p)
720 char name[MAXPATHLEN + 1];
722 static dev_t previous_dev = NODEV;
723 static int supports_acls = -1;
724 static int type = ACL_TYPE_ACCESS;
728 * XXX: ACLs are not supported on whiteouts and device files
731 if (S_ISCHR(p->fts_statp->st_mode) || S_ISBLK(p->fts_statp->st_mode) ||
732 S_ISWHT(p->fts_statp->st_mode))
735 if (previous_dev == p->fts_statp->st_dev && supports_acls == 0)
738 if (p->fts_level == FTS_ROOTLEVEL)
739 snprintf(name, sizeof(name), "%s", p->fts_name);
741 snprintf(name, sizeof(name), "%s/%s",
742 p->fts_parent->fts_accpath, p->fts_name);
744 if (previous_dev != p->fts_statp->st_dev) {
745 previous_dev = p->fts_statp->st_dev;
748 ret = lpathconf(name, _PC_ACL_NFS4);
750 type = ACL_TYPE_NFS4;
752 } else if (ret < 0 && errno != EINVAL) {
756 if (supports_acls == 0) {
757 ret = lpathconf(name, _PC_ACL_EXTENDED);
759 type = ACL_TYPE_ACCESS;
761 } else if (ret < 0 && errno != EINVAL) {
767 if (supports_acls == 0)
769 facl = acl_get_link_np(name, type);
774 if (acl_is_trivial_np(facl, &trivial)) {