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32 * @(#)print.c 8.4 (Berkeley) 4/17/94
33 * $FreeBSD: src/bin/ls/print.c,v 1.71 2004/05/02 11:25:37 tjr Exp $
34 * $DragonFly: src/bin/ls/print.c,v 1.15 2005/09/19 10:06:39 asmodai Exp $
37 #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)
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 unit_t 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(const 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 prn_normal(name);
148 printlong(const DISPLAY *dp)
155 int color_printed = 0;
158 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
159 (f_longform || f_size)) {
160 printf("total %lu\n", howmany(dp->btotal, blocksize));
163 for (p = dp->list; p; p = p->fts_link) {
168 printf("%*lu ", dp->s_inode, (u_long)sp->st_ino);
171 dp->s_block, howmany(sp->st_blocks, blocksize));
172 strmode(sp->st_mode, buf);
174 printf("%s %*u %-*s %-*s ", buf, dp->s_nlink,
175 sp->st_nlink, dp->s_user, np->user, dp->s_group,
178 printf("%s ", np->fsmid);
180 printf("%-*s ", dp->s_flags, np->flags);
181 if (S_ISCHR(sp->st_mode) || S_ISBLK(sp->st_mode))
182 if (minor(sp->st_rdev) > 255 || minor(sp->st_rdev) < 0)
183 printf("%3d, 0x%08x ",
185 (u_int)minor(sp->st_rdev));
188 major(sp->st_rdev), minor(sp->st_rdev));
191 8 - dp->s_size, "", dp->s_size, sp->st_size);
193 printsize(dp->s_size, sp->st_size);
195 printtime(sp->st_atime);
196 else if (f_statustime)
197 printtime(sp->st_ctime);
199 printtime(sp->st_mtime);
202 color_printed = colortype(sp->st_mode);
204 printname(p->fts_name);
206 if (f_color && color_printed)
210 printtype(sp->st_mode);
211 if (S_ISLNK(sp->st_mode))
218 printstream(const DISPLAY *dp)
223 for (p = dp->list, chcnt = 0; p; p = p->fts_link) {
224 if (p->fts_number == NO_PRINT)
226 /* XXX strlen does not take octal escapes into account. */
227 if (strlen(p->fts_name) + chcnt +
228 (p->fts_link ? 2 : 0) >= (unsigned)termwidth) {
232 chcnt += printaname(p, dp->s_inode, dp->s_block);
243 printcol(const DISPLAY *dp)
245 static FTSENT **array;
246 static int lastentries = -1;
267 * Have to do random access in the linked list -- build a table
270 if (dp->entries > lastentries) {
271 lastentries = dp->entries;
273 realloc(array, dp->entries * sizeof(FTSENT *))) == NULL) {
278 lastentries = dp->entries;
281 for (p = dp->list, num = 0; p; p = p->fts_link)
282 if (p->fts_number != NO_PRINT)
285 colwidth = dp->maxlen;
287 colwidth += dp->s_inode + 1;
289 colwidth += dp->s_block + 1;
293 colwidth = (colwidth + tabwidth) & ~(tabwidth - 1);
294 if (termwidth < 2 * colwidth) {
298 numcols = termwidth / colwidth;
299 numrows = num / numcols;
303 if ((dp->list == NULL || dp->list->fts_level != FTS_ROOTLEVEL) &&
304 (f_longform || f_size)) {
305 printf("total %lu\n", howmany(dp->btotal, blocksize));
308 /* counter if f_sortacross, else case-by-case */
311 for (row = 0; row < numrows; ++row) {
315 for (col = 0, chcnt = 0; col < numcols; ++col) {
316 chcnt += printaname(array[base], dp->s_inode,
324 while ((cnt = ((chcnt + tabwidth) & ~(tabwidth - 1)))
326 if (f_sortacross && col + 1 >= numcols)
328 putchar(f_notabs ? ' ' : '\t');
338 * print [inode] [size] name
339 * return # of characters printed, no trailing characters.
342 printaname(const FTSENT *p, u_long inodefield, u_long sizefield)
347 int color_printed = 0;
353 chcnt += printf("%*lu ", (int)inodefield, (u_long)sp->st_ino);
355 chcnt += printf("%*lld ",
356 (int)sizefield, howmany(sp->st_blocks, blocksize));
359 color_printed = colortype(sp->st_mode);
361 chcnt += printname(p->fts_name);
363 if (f_color && color_printed)
367 chcnt += printtype(sp->st_mode);
372 printtime(time_t ftime)
377 static int d_first = -1;
380 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
384 #define SIXMONTHS ((365 / 2) * 86400)
386 /* mmm dd hh:mm:ss yyyy || dd mmm hh:mm:ss yyyy */
387 format = d_first ? "%e %b %T %Y " : "%b %e %T %Y ";
388 else if (ftime + SIXMONTHS > now && ftime < now + SIXMONTHS)
389 /* mmm dd hh:mm || dd mmm hh:mm */
390 format = d_first ? "%e %b %R " : "%b %e %R ";
392 /* mmm dd yyyy || dd mmm yyyy */
393 format = d_first ? "%e %b %Y " : "%b %e %Y ";
394 strftime(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 unit = unit_adjust(&bytes);
611 printf("%*s ", width, "0B");
613 printf("%*lld%c ", width - 1, bytes,
616 printf("%*lld ", width, bytes);
620 * Output in "human-readable" format. Uses 3 digits max and puts
621 * unit suffixes at the end. Makes output compact and easy to read,
622 * especially on huge disks.
626 unit_adjust(off_t *val)
632 abval = fabs((double)*val);
634 unit_sz = abval ? (u_int)ilogb(abval) / 10 : 0;
636 if (unit_sz >= (u_int)UNIT_MAX) {
639 unit = unitp[unit_sz];
640 *val /= (double)vals_base2[unit_sz];