xref: /freebsd/bin/ls/cmp.c (revision 7f3dea244c40159a41ab22da77a434d7c5b5e85a)
1 /*
2  * Copyright (c) 1989, 1993
3  *	The Regents of the University of California.  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 #if 0
39 static char sccsid[] = "@(#)cmp.c	8.1 (Berkeley) 5/31/93";
40 #else
41 static const char rcsid[] =
42   "$FreeBSD$";
43 #endif
44 #endif /* not lint */
45 
46 #include <sys/types.h>
47 #include <sys/stat.h>
48 
49 #include <fts.h>
50 #include <string.h>
51 
52 #include "ls.h"
53 #include "extern.h"
54 
55 int
56 namecmp(a, b)
57 	const FTSENT *a, *b;
58 {
59 	return (strcoll(a->fts_name, b->fts_name));
60 }
61 
62 int
63 revnamecmp(a, b)
64 	const FTSENT *a, *b;
65 {
66 	return (strcoll(b->fts_name, a->fts_name));
67 }
68 
69 int
70 modcmp(a, b)
71 	const FTSENT *a, *b;
72 {
73 	return (b->fts_statp->st_mtime - a->fts_statp->st_mtime);
74 }
75 
76 int
77 revmodcmp(a, b)
78 	const FTSENT *a, *b;
79 {
80 	return (a->fts_statp->st_mtime - b->fts_statp->st_mtime);
81 }
82 
83 int
84 acccmp(a, b)
85 	const FTSENT *a, *b;
86 {
87 	return (b->fts_statp->st_atime - a->fts_statp->st_atime);
88 }
89 
90 int
91 revacccmp(a, b)
92 	const FTSENT *a, *b;
93 {
94 	return (a->fts_statp->st_atime - b->fts_statp->st_atime);
95 }
96 
97 int
98 statcmp(a, b)
99 	const FTSENT *a, *b;
100 {
101 	return (b->fts_statp->st_ctime - a->fts_statp->st_ctime);
102 }
103 
104 int
105 revstatcmp(a, b)
106 	const FTSENT *a, *b;
107 {
108 	return (a->fts_statp->st_ctime - b->fts_statp->st_ctime);
109 }
110