xref: /netbsd-src/bin/ls/cmp.c (revision 4b30c543a0b21e3ba94f2c569e9a82b4fdb2075f)
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
38 /*static char sccsid[] = "from: @(#)cmp.c	5.7 (Berkeley) 3/1/92";*/
39 static char rcsid[] = "$Id: cmp.c,v 1.5 1993/08/07 03:56:51 mycroft Exp $";
40 #endif /* not lint */
41 
42 #include <sys/types.h>
43 #include <sys/stat.h>
44 #include <fts.h>
45 #include <string.h>
46 #include "ls.h"
47 #include "extern.h"
48 
49 int
50 namecmp(a, b)
51 	const FTSENT *a, *b;
52 {
53 	return (strcmp(a->fts_name, b->fts_name));
54 }
55 
56 int
57 revnamecmp(a, b)
58 	const FTSENT *a, *b;
59 {
60 	return (strcmp(b->fts_name, a->fts_name));
61 }
62 
63 int
64 modcmp(a, b)
65 	const FTSENT *a, *b;
66 {
67 	return (b->fts_statp->st_mtime - a->fts_statp->st_mtime);
68 }
69 
70 int
71 revmodcmp(a, b)
72 	const FTSENT *a, *b;
73 {
74 	return (a->fts_statp->st_mtime - b->fts_statp->st_mtime);
75 }
76 
77 int
78 acccmp(a, b)
79 	const FTSENT *a, *b;
80 {
81 	return (b->fts_statp->st_atime - a->fts_statp->st_atime);
82 }
83 
84 int
85 revacccmp(a, b)
86 	const FTSENT *a, *b;
87 {
88 	return (a->fts_statp->st_atime - b->fts_statp->st_atime);
89 }
90 
91 int
92 statcmp(a, b)
93 	const FTSENT *a, *b;
94 {
95 	return (b->fts_statp->st_ctime - a->fts_statp->st_ctime);
96 }
97 
98 int
99 revstatcmp(a, b)
100 	const FTSENT *a, *b;
101 {
102 	return (a->fts_statp->st_ctime - b->fts_statp->st_ctime);
103 }
104