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15637ed4 | 1 | /* |
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2 | * Copyright (c) 1989, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
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4 | * |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
6b479535 | 35 | static char sccsid[] = "@(#)ls.c 8.1 (Berkeley) 6/6/93"; |
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36 | #endif /* not lint */ |
37 | ||
38 | #include <sys/param.h> | |
39 | #include <sys/stat.h> | |
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40 | |
41 | #include <err.h> | |
15637ed4 | 42 | #include <errno.h> |
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43 | #include <stdio.h> |
44 | #include <string.h> | |
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45 | #include <time.h> |
46 | #include <tzfile.h> | |
47 | #include <unistd.h> | |
48 | #include <utmp.h> | |
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49 | |
50 | /* Derived from the print routines in the ls(1) source code. */ | |
51 | ||
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52 | static void printlink __P((char *)); |
53 | static void printtime __P((time_t)); | |
54 | ||
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55 | void |
56 | printlong(name, accpath, sb) | |
57 | char *name; /* filename to print */ | |
58 | char *accpath; /* current valid path to filename */ | |
59 | struct stat *sb; /* stat buffer */ | |
60 | { | |
61 | char modep[15], *user_from_uid(), *group_from_gid(); | |
62 | ||
6b479535 | 63 | (void)printf("%6lu %4qd ", sb->st_ino, sb->st_blocks); |
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64 | (void)strmode(sb->st_mode, modep); |
65 | (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, UT_NAMESIZE, | |
66 | user_from_uid(sb->st_uid, 0), UT_NAMESIZE, | |
67 | group_from_gid(sb->st_gid, 0)); | |
68 | ||
69 | if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode)) | |
70 | (void)printf("%3d, %3d ", major(sb->st_rdev), | |
71 | minor(sb->st_rdev)); | |
72 | else | |
6b479535 | 73 | (void)printf("%8qd ", sb->st_size); |
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74 | printtime(sb->st_mtime); |
75 | (void)printf("%s", name); | |
76 | if (S_ISLNK(sb->st_mode)) | |
77 | printlink(accpath); | |
78 | (void)putchar('\n'); | |
79 | } | |
80 | ||
6b479535 | 81 | static void |
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82 | printtime(ftime) |
83 | time_t ftime; | |
84 | { | |
85 | int i; | |
86 | char *longstring, *ctime(); | |
87 | time_t time(); | |
88 | ||
89 | longstring = ctime((long *)&ftime); | |
90 | for (i = 4; i < 11; ++i) | |
91 | (void)putchar(longstring[i]); | |
92 | ||
93 | #define SIXMONTHS ((DAYSPERNYEAR / 2) * SECSPERDAY) | |
94 | if (ftime + SIXMONTHS > time((time_t *)NULL)) | |
95 | for (i = 11; i < 16; ++i) | |
96 | (void)putchar(longstring[i]); | |
97 | else { | |
98 | (void)putchar(' '); | |
99 | for (i = 20; i < 24; ++i) | |
100 | (void)putchar(longstring[i]); | |
101 | } | |
102 | (void)putchar(' '); | |
103 | } | |
104 | ||
6b479535 | 105 | static void |
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106 | printlink(name) |
107 | char *name; | |
108 | { | |
109 | int lnklen; | |
110 | char path[MAXPATHLEN + 1]; | |
111 | ||
112 | if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) { | |
6b479535 | 113 | warn("%s", name); |
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114 | return; |
115 | } | |
116 | path[lnklen] = '\0'; | |
117 | (void)printf(" -> %s", path); | |
118 | } |