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
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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
= (colwidth
+ tabwidth
) & ~(tabwidth
- 1);
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
= ((chcnt
+ tabwidth
) & ~(tabwidth
- 1)))
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
);