Annotation of src/usr.bin/find/ls.c, Revision 1.1.1.1
1.1 deraadt 1: /*
2: * Copyright (c) 1989, 1993
3: * The Regents of the University of California. All rights reserved.
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
35: /*static char sccsid[] = "from: @(#)ls.c 8.1 (Berkeley) 6/6/93";*/
36: static char rcsid[] = "$Id: ls.c,v 1.6 1994/12/24 16:30:51 cgd Exp $";
37: #endif /* not lint */
38:
39: #include <sys/param.h>
40: #include <sys/stat.h>
41:
42: #include <err.h>
43: #include <errno.h>
44: #include <stdio.h>
45: #include <string.h>
46: #include <time.h>
47: #include <tzfile.h>
48: #include <unistd.h>
49: #include <utmp.h>
50:
51: /* Derived from the print routines in the ls(1) source code. */
52:
53: static void printlink __P((char *));
54: static void printtime __P((time_t));
55:
56: void
57: printlong(name, accpath, sb)
58: char *name; /* filename to print */
59: char *accpath; /* current valid path to filename */
60: struct stat *sb; /* stat buffer */
61: {
62: char modep[15], *user_from_uid(), *group_from_gid();
63:
64: (void)printf("%6lu %4ld ", sb->st_ino, sb->st_blocks);
65: (void)strmode(sb->st_mode, modep);
66: (void)printf("%s %3u %-*s %-*s ", modep, sb->st_nlink, UT_NAMESIZE,
67: user_from_uid(sb->st_uid, 0), UT_NAMESIZE,
68: group_from_gid(sb->st_gid, 0));
69:
70: if (S_ISCHR(sb->st_mode) || S_ISBLK(sb->st_mode))
71: (void)printf("%3d, %3d ", major(sb->st_rdev),
72: minor(sb->st_rdev));
73: else
74: (void)printf("%8qd ", sb->st_size);
75: printtime(sb->st_mtime);
76: (void)printf("%s", name);
77: if (S_ISLNK(sb->st_mode))
78: printlink(accpath);
79: (void)putchar('\n');
80: }
81:
82: static void
83: printtime(ftime)
84: time_t ftime;
85: {
86: int i;
87: char *longstring;
88:
89: longstring = ctime(&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:
105: static void
106: printlink(name)
107: char *name;
108: {
109: int lnklen;
110: char path[MAXPATHLEN + 1];
111:
112: if ((lnklen = readlink(name, path, MAXPATHLEN)) == -1) {
113: warn("%s", name);
114: return;
115: }
116: path[lnklen] = '\0';
117: (void)printf(" -> %s", path);
118: }