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32 * @(#)print.c 8.4 (Berkeley) 4/17/94
33 * $FreeBSD: src/bin/ls/print.c,v 1.19.2.7 2002/11/17 10:27:34 tjr Exp $
34 * $DragonFly: src/bin/ls/print.c,v 1.9 2005/09/18 10:39:35 asmodai Exp $
37 #include <sys/param.h>
59 static int printaname(FTSENT *, u_long, u_long);
60 static void printlink(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)
71 #define KILO_SZ(n) (n)
72 #define MEGA_SZ(n) ((n) * (n))
73 #define GIGA_SZ(n) ((n) * (n) * (n))
74 #define TERA_SZ(n) ((n) * (n) * (n) * (n))
75 #define PETA_SZ(n) ((n) * (n) * (n) * (n) * (n))
77 #define KILO_2_SZ (KILO_SZ(1024ULL))
78 #define MEGA_2_SZ (MEGA_SZ(1024ULL))
79 #define GIGA_2_SZ (GIGA_SZ(1024ULL))
80 #define TERA_2_SZ (TERA_SZ(1024ULL))
81 #define PETA_2_SZ (PETA_SZ(1024ULL))
83 static unsigned long long vals_base2[] = {1, KILO_2_SZ, MEGA_2_SZ, GIGA_2_SZ, TERA_2_SZ, PETA_2_SZ};
86 NONE, KILO, MEGA, GIGA, TERA, PETA, UNIT_MAX
88 static unit_t unit_adjust(off_t *);
90 static int unitp[] = {NONE, KILO, MEGA, GIGA, TERA, PETA};
93 /* Most of these are taken from <sys/stat.h> */
95 C_DIR, /* directory */
96 C_LNK, /* symbolic link */
99 C_EXEC, /* executable */
100 C_BLK, /* block special */
101 C_CHR, /* character special */
102 C_SUID, /* setuid executable */
103 C_SGID, /* setgid executable */
104 C_WSDIR, /* directory writeble to others, with sticky
106 C_WDIR, /* directory writeble to others, without
108 C_NUMCOLORS /* just a place-holder */
111 static const char *defcolors = "exfxcxdxbxegedabagacad";
113 /* colors for file types */
117 } colors[C_NUMCOLORS];
121 printscol(DISPLAY *dp)
125 for (p = dp->list; p; p = p->fts_link) {
128 printaname(p, dp->s_inode, dp->s_block);
134 * print name in current style
137 printname(const char *name)
139 if (f_octal || f_octal_escape)
140 return prn_octal(name);
142 return prn_printable(name);
144 return printf("%s", name);
148 printlong(DISPLAY *dp)
155 int color_printed = 0;
158 if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size))
159 printf("total %lu\n", howmany(dp->btotal, blocksize));
161 for (p = dp->list; p; p = p->fts_link) {
166 printf("%*lu ", dp->s_inode, (u_long)sp->st_ino);
169 dp->s_block, howmany(sp->st_blocks, blocksize));
170 strmode(sp->st_mode, buf);
172 printf("%s %*u %-*s %-*s ", buf, dp->s_nlink,
173 sp->st_nlink, dp->s_user, np->user, dp->s_group,
176 printf("%s ", np->fsmid);
178 printf("%-*s ", dp->s_flags, np->flags);
179 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
180 if (minor(sp->st_rdev) > 255 || minor(sp->st_rdev) < 0)
181 printf("%3d, 0x%08x ",
183 (u_int)minor(sp->st_rdev));
186 major(sp->st_rdev), minor(sp->st_rdev));
189 8 - dp->s_size, "", dp->s_size, sp->st_size);
191 printsize(dp->s_size, sp->st_size);
193 printtime(sp->st_atime);
194 else if (f_statustime)
195 printtime(sp->st_ctime);
197 printtime(sp->st_mtime);
200 color_printed = colortype(sp->st_mode);
202 printname(p->fts_name);
204 if (f_color && color_printed)
208 printtype(sp->st_mode);
209 if (S_ISLNK(sp->st_mode))
216 printstream(DISPLAY *dp)
221 for (p = dp->list, chcnt = 0; p; p = p->fts_link) {
222 if (p->fts_number == NO_PRINT)
224 if (strlen(p->fts_name) + chcnt +
225 (p->fts_link ? 2 : 0) >= (unsigned)termwidth) {
229 chcnt += printaname(p, dp->s_inode, dp->s_block);
240 printcol(DISPLAY *dp)
242 static FTSENT **array;
243 static int lastentries = -1;
264 * Have to do random access in the linked list -- build a table
267 if (dp->entries > lastentries) {
268 lastentries = dp->entries;
270 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
275 lastentries = dp->entries;
278 for (p = dp->list, num = 0; p; p = p->fts_link)
279 if (p->fts_number != NO_PRINT)
282 colwidth = dp->maxlen;
284 colwidth += dp->s_inode + 1;
286 colwidth += dp->s_block + 1;
290 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1);
291 if (termwidth < 2 * colwidth) {
295 numcols = termwidth / colwidth;
296 numrows = num / numcols;
300 if (dp->list->fts_level != FTS_ROOTLEVEL && (f_longform || f_size))
301 printf("total %lu\n", howmany(dp->btotal, blocksize));
303 /* counter if f_sortacross, else case-by-case */
306 for (row = 0; row < numrows; ++row) {
310 for (col = 0, chcnt = 0; col < numcols; ++col) {
311 chcnt += printaname(array[base], dp->s_inode,
319 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1)))
321 if (f_sortacross && col + 1 >= numcols)
323 putchar(f_notabs ? ' ' : '\t');
333 * print [inode] [size] name
334 * return # of characters printed, no trailing characters.
337 printaname(FTSENT *p, u_long inodefield, u_long sizefield)
342 int color_printed = 0;
348 chcnt += printf("%*lu ", (int)inodefield, (u_long)sp->st_ino);
350 chcnt += printf("%*lld ",
351 (int)sizefield, howmany(sp->st_blocks, blocksize));
354 color_printed = colortype(sp->st_mode);
356 chcnt += printname(p->fts_name);
358 if (f_color && color_printed)
362 chcnt += printtype(sp->st_mode);
367 printtime(time_t ftime)
372 static int d_first = -1;
375 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
379 #define SIXMONTHS ((365 / 2) * 86400)
381 /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */
382 format = d_first ? "%e %b %T %Y " : "%b %e %T %Y ";
383 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS)
384 /* mmm dd hh:mm || dd mmm hh:mm */
385 format = d_first ? "%e %b %R " : "%b %e %R ";
387 /* mmm dd yyyy || dd mmm yyyy */
388 format = d_first ? "%e %b %Y " : "%b %e %Y ";
389 strftime(longstring, sizeof(longstring), format, localtime(&ftime));
390 fputs(longstring, stdout);
394 printtype(u_int mode)
398 if ((mode & S_IFMT) == S_IFDIR) {
405 switch (mode & S_IFMT) {
424 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
444 write(STDOUT_FILENO, &tmp, 1);
454 tputs(enter_bold, 1, putch);
456 if (colors[c].num[0] != -1) {
457 ansiseq = tgoto(ansi_fgcol, 0, colors[c].num[0]);
459 tputs(ansiseq, 1, putch);
461 if (colors[c].num[1] != -1) {
462 ansiseq = tgoto(ansi_bgcol, 0, colors[c].num[1]);
464 tputs(ansiseq, 1, putch);
471 tputs(ansi_coloff, 1, sig ? writech : putch);
472 tputs(attrs_off, 1, sig ? writech : putch);
476 colortype(mode_t mode)
478 switch (mode & S_IFMT) {
504 if (mode & (S_IXUSR | S_IXGRP | S_IXOTH)) {
507 else if (mode & S_ISGID)
517 parsecolors(const char *cs)
523 short legacy_warn = 0;
526 cs = ""; /* LSCOLORS not set */
528 for (i = 0; i < C_NUMCOLORS; i++) {
532 c[0] = defcolors[2 * i];
533 c[1] = defcolors[2 * i + 1];
536 c[1] = cs[2 * i + 1];
538 for (j = 0; j < 2; j++) {
539 /* Legacy colours used 0-7 */
540 if (c[j] >= '0' && c[j] <= '7') {
541 colors[i].num[j] = c[j] - '0';
544 "warn: LSCOLORS should use "
545 "characters a-h instead of 0-9 ("
546 "see the manual page)\n");
549 } else if (c[j] >= 'a' && c[j] <= 'h')
550 colors[i].num[j] = c[j] - 'a';
551 else if (c[j] >= 'A' && c[j] <= 'H') {
552 colors[i].num[j] = c[j] - 'A';
554 } else if (tolower((unsigned char)c[j] == 'x'))
555 colors[i].num[j] = -1;
558 "error: invalid character '%c' in LSCOLORS"
560 colors[i].num[j] = -1;
571 signal(sig, SIG_DFL);
581 char name[MAXPATHLEN + 1];
582 char path[MAXPATHLEN + 1];
584 if (p->fts_level == FTS_ROOTLEVEL)
585 snprintf(name, sizeof(name), "%s", p->fts_name);
587 snprintf(name, sizeof(name),
588 "%s/%s", p->fts_parent->fts_accpath, p->fts_name);
589 if ((lnklen = readlink(name, path, sizeof(path) - 1)) == -1) {
590 fprintf(stderr, "\nls: %s: %s\n", name, strerror(errno));
599 printsize(size_t width, off_t bytes)
604 unit = unit_adjust(&bytes);
607 printf("%*s ", width, "0B");
609 printf("%*lld%c ", width - 1, bytes,
612 printf("%*lld ", width, bytes);
616 * Output in "human-readable" format. Uses 3 digits max and puts
617 * unit suffixes at the end. Makes output compact and easy to read,
618 * especially on huge disks.
622 unit_adjust(off_t *val)
626 unsigned int unit_sz;
628 abval = fabs((double)*val);
630 unit_sz = abval ? ilogb(abval) / 10 : 0;
632 if (unit_sz >= UNIT_MAX) {
635 unit = unitp[unit_sz];
636 *val /= (double)vals_base2[unit_sz];