1 /* $OpenBSD: cmp.c,v 1.7 2023/08/08 04:45:44 guenther Exp $ */
2 /* $NetBSD: cmp.c,v 1.10 1996/07/08 10:32:01 mycroft Exp $ */
3
4 /*
5 * Copyright (c) 1989, 1993
6 * The Regents of the University of California. All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Michael Fischbein.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include <sys/types.h>
37 #include <sys/stat.h>
38
39 #include <fts.h>
40 #include <string.h>
41
42 #include "ls.h"
43 #include "extern.h"
44
45 int
namecmp(const FTSENT * a,const FTSENT * b)46 namecmp(const FTSENT *a, const FTSENT *b)
47 {
48 return (strcmp(a->fts_name, b->fts_name));
49 }
50
51 int
revnamecmp(const FTSENT * a,const FTSENT * b)52 revnamecmp(const FTSENT *a, const FTSENT *b)
53 {
54 return (strcmp(b->fts_name, a->fts_name));
55 }
56
57 int
modcmp(const FTSENT * a,const FTSENT * b)58 modcmp(const FTSENT *a, const FTSENT *b)
59 {
60 if (b->fts_statp->st_mtime > a->fts_statp->st_mtime)
61 return (1);
62 else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime)
63 return (-1);
64 else if (b->fts_statp->st_mtim.tv_nsec > a->fts_statp->st_mtim.tv_nsec)
65 return (1);
66 else if (b->fts_statp->st_mtim.tv_nsec < a->fts_statp->st_mtim.tv_nsec)
67 return (-1);
68 else
69 return (namecmp(a, b));
70 }
71
72 int
revmodcmp(const FTSENT * a,const FTSENT * b)73 revmodcmp(const FTSENT *a, const FTSENT *b)
74 {
75 if (b->fts_statp->st_mtime > a->fts_statp->st_mtime)
76 return (-1);
77 else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime)
78 return (1);
79 else if (b->fts_statp->st_mtim.tv_nsec > a->fts_statp->st_mtim.tv_nsec)
80 return (-1);
81 else if (b->fts_statp->st_mtim.tv_nsec < a->fts_statp->st_mtim.tv_nsec)
82 return (1);
83 else
84 return (revnamecmp(a, b));
85 }
86
87 int
acccmp(const FTSENT * a,const FTSENT * b)88 acccmp(const FTSENT *a, const FTSENT *b)
89 {
90 if (b->fts_statp->st_atime > a->fts_statp->st_atime)
91 return (1);
92 else if (b->fts_statp->st_atime < a->fts_statp->st_atime)
93 return (-1);
94 else if (b->fts_statp->st_atim.tv_nsec > a->fts_statp->st_atim.tv_nsec)
95 return (1);
96 else if (b->fts_statp->st_atim.tv_nsec < a->fts_statp->st_atim.tv_nsec)
97 return (-1);
98 else
99 return (namecmp(a, b));
100 }
101
102 int
revacccmp(const FTSENT * a,const FTSENT * b)103 revacccmp(const FTSENT *a, const FTSENT *b)
104 {
105 if (b->fts_statp->st_atime > a->fts_statp->st_atime)
106 return (-1);
107 else if (b->fts_statp->st_atime < a->fts_statp->st_atime)
108 return (1);
109 else if (b->fts_statp->st_atim.tv_nsec > a->fts_statp->st_atim.tv_nsec)
110 return (-1);
111 else if (b->fts_statp->st_atim.tv_nsec < a->fts_statp->st_atim.tv_nsec)
112 return (1);
113 else
114 return (revnamecmp(a, b));
115 }
116
117 int
statcmp(const FTSENT * a,const FTSENT * b)118 statcmp(const FTSENT *a, const FTSENT *b)
119 {
120 if (b->fts_statp->st_ctime > a->fts_statp->st_ctime)
121 return (1);
122 else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime)
123 return (-1);
124 else if (b->fts_statp->st_ctim.tv_nsec > a->fts_statp->st_ctim.tv_nsec)
125 return (1);
126 else if (b->fts_statp->st_ctim.tv_nsec < a->fts_statp->st_ctim.tv_nsec)
127 return (-1);
128 else
129 return (namecmp(a, b));
130 }
131
132 int
revstatcmp(const FTSENT * a,const FTSENT * b)133 revstatcmp(const FTSENT *a, const FTSENT *b)
134 {
135 if (b->fts_statp->st_ctime > a->fts_statp->st_ctime)
136 return (-1);
137 else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime)
138 return (1);
139 else if (b->fts_statp->st_ctim.tv_nsec > a->fts_statp->st_ctim.tv_nsec)
140 return (-1);
141 else if (b->fts_statp->st_ctim.tv_nsec < a->fts_statp->st_ctim.tv_nsec)
142 return (1);
143 else
144 return (revnamecmp(a, b));
145 }
146
147 int
sizecmp(const FTSENT * a,const FTSENT * b)148 sizecmp(const FTSENT *a, const FTSENT *b)
149 {
150 if (b->fts_statp->st_size > a->fts_statp->st_size)
151 return (1);
152 if (b->fts_statp->st_size < a->fts_statp->st_size)
153 return (-1);
154 else
155 return (namecmp(a, b));
156 }
157
158 int
revsizecmp(const FTSENT * a,const FTSENT * b)159 revsizecmp(const FTSENT *a, const FTSENT *b)
160 {
161 if (b->fts_statp->st_size > a->fts_statp->st_size)
162 return (-1);
163 if (b->fts_statp->st_size < a->fts_statp->st_size)
164 return (1);
165 else
166 return (revnamecmp(a, b));
167 }
168