xref: /freebsd/bin/ls/cmp.c (revision bdcbfde31e8e9b343f113a1956384bdf30d1ed62)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 1989, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Michael Fischbein.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #if 0
36 #endif
37 #include <sys/cdefs.h>
38 #include <sys/types.h>
39 #include <sys/stat.h>
40 
41 #include <fts.h>
42 #include <string.h>
43 
44 #include "ls.h"
45 #include "extern.h"
46 
47 int
48 namecmp(const FTSENT *a, const FTSENT *b)
49 {
50 
51 	return (strcoll(a->fts_name, b->fts_name));
52 }
53 
54 int
55 revnamecmp(const FTSENT *a, const FTSENT *b)
56 {
57 
58 	return (strcoll(b->fts_name, a->fts_name));
59 }
60 
61 int
62 verscmp(const FTSENT *a, const FTSENT *b)
63 {
64 
65 	return (strverscmp(a->fts_name, b->fts_name));
66 }
67 
68 int
69 revverscmp(const FTSENT *a, const FTSENT *b)
70 {
71 
72 	return (strverscmp(b->fts_name, a->fts_name));
73 }
74 
75 int
76 modcmp(const FTSENT *a, const FTSENT *b)
77 {
78 
79 	if (b->fts_statp->st_mtim.tv_sec >
80 	    a->fts_statp->st_mtim.tv_sec)
81 		return (1);
82 	if (b->fts_statp->st_mtim.tv_sec <
83 	    a->fts_statp->st_mtim.tv_sec)
84 		return (-1);
85 	if (b->fts_statp->st_mtim.tv_nsec >
86 	    a->fts_statp->st_mtim.tv_nsec)
87 		return (1);
88 	if (b->fts_statp->st_mtim.tv_nsec <
89 	    a->fts_statp->st_mtim.tv_nsec)
90 		return (-1);
91 	if (f_samesort)
92 		return (strcoll(b->fts_name, a->fts_name));
93 	else
94 		return (strcoll(a->fts_name, b->fts_name));
95 }
96 
97 int
98 revmodcmp(const FTSENT *a, const FTSENT *b)
99 {
100 
101 	return (modcmp(b, a));
102 }
103 
104 int
105 acccmp(const FTSENT *a, const FTSENT *b)
106 {
107 
108 	if (b->fts_statp->st_atim.tv_sec >
109 	    a->fts_statp->st_atim.tv_sec)
110 		return (1);
111 	if (b->fts_statp->st_atim.tv_sec <
112 	    a->fts_statp->st_atim.tv_sec)
113 		return (-1);
114 	if (b->fts_statp->st_atim.tv_nsec >
115 	    a->fts_statp->st_atim.tv_nsec)
116 		return (1);
117 	if (b->fts_statp->st_atim.tv_nsec <
118 	    a->fts_statp->st_atim.tv_nsec)
119 		return (-1);
120 	if (f_samesort)
121 		return (strcoll(b->fts_name, a->fts_name));
122 	else
123 		return (strcoll(a->fts_name, b->fts_name));
124 }
125 
126 int
127 revacccmp(const FTSENT *a, const FTSENT *b)
128 {
129 
130 	return (acccmp(b, a));
131 }
132 
133 int
134 birthcmp(const FTSENT *a, const FTSENT *b)
135 {
136 
137 	if (b->fts_statp->st_birthtim.tv_sec >
138 	    a->fts_statp->st_birthtim.tv_sec)
139 		return (1);
140 	if (b->fts_statp->st_birthtim.tv_sec <
141 	    a->fts_statp->st_birthtim.tv_sec)
142 		return (-1);
143 	if (b->fts_statp->st_birthtim.tv_nsec >
144 	    a->fts_statp->st_birthtim.tv_nsec)
145 		return (1);
146 	if (b->fts_statp->st_birthtim.tv_nsec <
147 	    a->fts_statp->st_birthtim.tv_nsec)
148 		return (-1);
149 	if (f_samesort)
150 		return (strcoll(b->fts_name, a->fts_name));
151 	else
152 		return (strcoll(a->fts_name, b->fts_name));
153 }
154 
155 int
156 revbirthcmp(const FTSENT *a, const FTSENT *b)
157 {
158 
159 	return (birthcmp(b, a));
160 }
161 
162 int
163 statcmp(const FTSENT *a, const FTSENT *b)
164 {
165 
166 	if (b->fts_statp->st_ctim.tv_sec >
167 	    a->fts_statp->st_ctim.tv_sec)
168 		return (1);
169 	if (b->fts_statp->st_ctim.tv_sec <
170 	    a->fts_statp->st_ctim.tv_sec)
171 		return (-1);
172 	if (b->fts_statp->st_ctim.tv_nsec >
173 	    a->fts_statp->st_ctim.tv_nsec)
174 		return (1);
175 	if (b->fts_statp->st_ctim.tv_nsec <
176 	    a->fts_statp->st_ctim.tv_nsec)
177 		return (-1);
178 	if (f_samesort)
179 		return (strcoll(b->fts_name, a->fts_name));
180 	else
181 		return (strcoll(a->fts_name, b->fts_name));
182 }
183 
184 int
185 revstatcmp(const FTSENT *a, const FTSENT *b)
186 {
187 
188 	return (statcmp(b, a));
189 }
190 
191 int
192 sizecmp(const FTSENT *a, const FTSENT *b)
193 {
194 
195 	if (b->fts_statp->st_size > a->fts_statp->st_size)
196 		return (1);
197 	if (b->fts_statp->st_size < a->fts_statp->st_size)
198 		return (-1);
199 	return (strcoll(a->fts_name, b->fts_name));
200 }
201 
202 int
203 revsizecmp(const FTSENT *a, const FTSENT *b)
204 {
205 
206 	return (sizecmp(b, a));
207 }
208