386BSD 0.1 development
[unix-history] / usr / src / bin / ls / cmp.c
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3039efcc
WJ
1/*
2 * Copyright (c) 1989 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Michael Fischbein.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
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. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 */
36
37#ifndef lint
38static char sccsid[] = "@(#)cmp.c 5.4 (Berkeley) 3/8/91";
39#endif /* not lint */
40
41#include <sys/types.h>
42#include <sys/stat.h>
43#include "ls.h"
44
45namecmp(a, b)
46 LS *a, *b;
47{
48 return(strcmp(a->name, b->name));
49}
50
51revnamecmp(a, b)
52 LS *a, *b;
53{
54 return(strcmp(b->name, a->name));
55}
56
57modcmp(a, b)
58 LS *a, *b;
59{
60 return(b->lstat.st_mtime - a->lstat.st_mtime);
61}
62
63revmodcmp(a, b)
64 LS *a, *b;
65{
66 return(a->lstat.st_mtime - b->lstat.st_mtime);
67}
68
69acccmp(a, b)
70 LS *a, *b;
71{
72 return(b->lstat.st_atime - a->lstat.st_atime);
73}
74
75revacccmp(a, b)
76 LS *a, *b;
77{
78 return(a->lstat.st_atime - b->lstat.st_atime);
79}
80
81statcmp(a, b)
82 LS *a, *b;
83{
84 return(b->lstat.st_ctime - a->lstat.st_ctime);
85}
86
87revstatcmp(a, b)
88 LS *a, *b;
89{
90 return(a->lstat.st_ctime - b->lstat.st_ctime);
91}