xref: /386bsd/usr/src/bin/ls/cmp.c (revision a2142627)
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[] = "@(#)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 
namecmp(a,b)45 namecmp(a, b)
46 	LS *a, *b;
47 {
48 	return(strcmp(a->name, b->name));
49 }
50 
revnamecmp(a,b)51 revnamecmp(a, b)
52 	LS *a, *b;
53 {
54 	return(strcmp(b->name, a->name));
55 }
56 
modcmp(a,b)57 modcmp(a, b)
58 	LS *a, *b;
59 {
60 	return(b->lstat.st_mtime - a->lstat.st_mtime);
61 }
62 
revmodcmp(a,b)63 revmodcmp(a, b)
64 	LS *a, *b;
65 {
66 	return(a->lstat.st_mtime - b->lstat.st_mtime);
67 }
68 
acccmp(a,b)69 acccmp(a, b)
70 	LS *a, *b;
71 {
72 	return(b->lstat.st_atime - a->lstat.st_atime);
73 }
74 
revacccmp(a,b)75 revacccmp(a, b)
76 	LS *a, *b;
77 {
78 	return(a->lstat.st_atime - b->lstat.st_atime);
79 }
80 
statcmp(a,b)81 statcmp(a, b)
82 	LS *a, *b;
83 {
84 	return(b->lstat.st_ctime - a->lstat.st_ctime);
85 }
86 
revstatcmp(a,b)87 revstatcmp(a, b)
88 	LS *a, *b;
89 {
90 	return(a->lstat.st_ctime - b->lstat.st_ctime);
91 }
92