cmp.c revision 205793 
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 * 4. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#if 0
34#ifndef lint
35static char sccsid[] = "@(#)cmp.c	8.1 (Berkeley) 5/31/93";
36#endif /* not lint */
37#endif
38#include <sys/cdefs.h>
39__FBSDID("$FreeBSD: head/bin/ls/cmp.c 205793 2010-03-28 13:16:08Z ed $");
40
41
42#include <sys/types.h>
43#include <sys/stat.h>
44
45#include <fts.h>
46#include <string.h>
47
48#include "ls.h"
49#include "extern.h"
50
51int
52namecmp(const FTSENT *a, const FTSENT *b)
53{
54
55	return (strcoll(a->fts_name, b->fts_name));
56}
57
58int
59revnamecmp(const FTSENT *a, const FTSENT *b)
60{
61
62	return (strcoll(b->fts_name, a->fts_name));
63}
64
65int
66modcmp(const FTSENT *a, const FTSENT *b)
67{
68
69	if (b->fts_statp->st_mtim.tv_sec >
70	    a->fts_statp->st_mtim.tv_sec)
71		return (1);
72	if (b->fts_statp->st_mtim.tv_sec <
73	    a->fts_statp->st_mtim.tv_sec)
74		return (-1);
75	if (b->fts_statp->st_mtim.tv_nsec >
76	    a->fts_statp->st_mtim.tv_nsec)
77		return (1);
78	if (b->fts_statp->st_mtim.tv_nsec <
79	    a->fts_statp->st_mtim.tv_nsec)
80		return (-1);
81	return (strcoll(a->fts_name, b->fts_name));
82}
83
84int
85revmodcmp(const FTSENT *a, const FTSENT *b)
86{
87
88	return (modcmp(b, a));
89}
90
91int
92acccmp(const FTSENT *a, const FTSENT *b)
93{
94
95	if (b->fts_statp->st_atim.tv_sec >
96	    a->fts_statp->st_atim.tv_sec)
97		return (1);
98	if (b->fts_statp->st_atim.tv_sec <
99	    a->fts_statp->st_atim.tv_sec)
100		return (-1);
101	if (b->fts_statp->st_atim.tv_nsec >
102	    a->fts_statp->st_atim.tv_nsec)
103		return (1);
104	if (b->fts_statp->st_atim.tv_nsec <
105	    a->fts_statp->st_atim.tv_nsec)
106		return (-1);
107	return (strcoll(a->fts_name, b->fts_name));
108}
109
110int
111revacccmp(const FTSENT *a, const FTSENT *b)
112{
113
114	return (acccmp(b, a));
115}
116
117int
118birthcmp(const FTSENT *a, const FTSENT *b)
119{
120
121	if (b->fts_statp->st_birthtim.tv_sec >
122	    a->fts_statp->st_birthtim.tv_sec)
123		return (1);
124	if (b->fts_statp->st_birthtim.tv_sec <
125	    a->fts_statp->st_birthtim.tv_sec)
126		return (-1);
127	if (b->fts_statp->st_birthtim.tv_nsec >
128	    a->fts_statp->st_birthtim.tv_nsec)
129		return (1);
130	if (b->fts_statp->st_birthtim.tv_nsec <
131	    a->fts_statp->st_birthtim.tv_nsec)
132		return (-1);
133	return (strcoll(a->fts_name, b->fts_name));
134}
135
136int
137revbirthcmp(const FTSENT *a, const FTSENT *b)
138{
139
140	return (birthcmp(b, a));
141}
142
143int
144statcmp(const FTSENT *a, const FTSENT *b)
145{
146
147	if (b->fts_statp->st_ctim.tv_sec >
148	    a->fts_statp->st_ctim.tv_sec)
149		return (1);
150	if (b->fts_statp->st_ctim.tv_sec <
151	    a->fts_statp->st_ctim.tv_sec)
152		return (-1);
153	if (b->fts_statp->st_ctim.tv_nsec >
154	    a->fts_statp->st_ctim.tv_nsec)
155		return (1);
156	if (b->fts_statp->st_ctim.tv_nsec <
157	    a->fts_statp->st_ctim.tv_nsec)
158		return (-1);
159	return (strcoll(a->fts_name, b->fts_name));
160}
161
162int
163revstatcmp(const FTSENT *a, const FTSENT *b)
164{
165
166	return (statcmp(b, a));
167}
168
169int
170sizecmp(const FTSENT *a, const FTSENT *b)
171{
172
173	if (b->fts_statp->st_size > a->fts_statp->st_size)
174		return (1);
175	if (b->fts_statp->st_size < a->fts_statp->st_size)
176		return (-1);
177	return (strcoll(a->fts_name, b->fts_name));
178}
179
180int
181revsizecmp(const FTSENT *a, const FTSENT *b)
182{
183
184	return (sizecmp(b, a));
185}
186