]>
git.saurik.com Git - apple/file_cmds.git/blob - ls/cmp.c
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
39 static char sccsid
[] = "@(#)cmp.c 8.1 (Berkeley) 5/31/93";
42 #include <sys/cdefs.h>
43 __RCSID("$FreeBSD: src/bin/ls/cmp.c,v 1.12 2002/06/30 05:13:54 obrien Exp $");
46 #include <sys/types.h>
55 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || \
56 defined(_XOPEN_SOURCE) || defined(__NetBSD__)
57 #define ATIMENSEC_CMP(x, op, y) ((x)->st_atimensec op (y)->st_atimensec)
58 #define CTIMENSEC_CMP(x, op, y) ((x)->st_ctimensec op (y)->st_ctimensec)
59 #define MTIMENSEC_CMP(x, op, y) ((x)->st_mtimensec op (y)->st_mtimensec)
61 #define ATIMENSEC_CMP(x, op, y) \
62 ((x)->st_atimespec.tv_nsec op (y)->st_atimespec.tv_nsec)
63 #define CTIMENSEC_CMP(x, op, y) \
64 ((x)->st_ctimespec.tv_nsec op (y)->st_ctimespec.tv_nsec)
65 #define MTIMENSEC_CMP(x, op, y) \
66 ((x)->st_mtimespec.tv_nsec op (y)->st_mtimespec.tv_nsec)
70 namecmp(const FTSENT
*a
, const FTSENT
*b
)
72 return (strcoll(a
->fts_name
, b
->fts_name
));
76 revnamecmp(const FTSENT
*a
, const FTSENT
*b
)
78 return (strcoll(b
->fts_name
, a
->fts_name
));
82 modcmp(const FTSENT
*a
, const FTSENT
*b
)
84 if (b
->fts_statp
->st_mtime
> a
->fts_statp
->st_mtime
)
86 else if (b
->fts_statp
->st_mtime
< a
->fts_statp
->st_mtime
)
88 else if (MTIMENSEC_CMP(b
->fts_statp
, >, a
->fts_statp
))
90 else if (MTIMENSEC_CMP(b
->fts_statp
, <, a
->fts_statp
))
93 return (namecmp(a
, b
));
97 revmodcmp(const FTSENT
*a
, const FTSENT
*b
)
99 if (b
->fts_statp
->st_mtime
> a
->fts_statp
->st_mtime
)
101 else if (b
->fts_statp
->st_mtime
< a
->fts_statp
->st_mtime
)
103 else if (MTIMENSEC_CMP(b
->fts_statp
, >, a
->fts_statp
))
105 else if (MTIMENSEC_CMP(b
->fts_statp
, <, a
->fts_statp
))
108 return (revnamecmp(a
, b
));
112 acccmp(const FTSENT
*a
, const FTSENT
*b
)
114 if (b
->fts_statp
->st_atime
> a
->fts_statp
->st_atime
)
116 else if (b
->fts_statp
->st_atime
< a
->fts_statp
->st_atime
)
118 else if (ATIMENSEC_CMP(b
->fts_statp
, >, a
->fts_statp
))
120 else if (ATIMENSEC_CMP(b
->fts_statp
, <, a
->fts_statp
))
123 return (namecmp(a
, b
));
127 revacccmp(const FTSENT
*a
, const FTSENT
*b
)
129 if (b
->fts_statp
->st_atime
> a
->fts_statp
->st_atime
)
131 else if (b
->fts_statp
->st_atime
< a
->fts_statp
->st_atime
)
133 else if (ATIMENSEC_CMP(b
->fts_statp
, >, a
->fts_statp
))
135 else if (ATIMENSEC_CMP(b
->fts_statp
, <, a
->fts_statp
))
138 return (revnamecmp(a
, b
));
142 statcmp(const FTSENT
*a
, const FTSENT
*b
)
144 if (b
->fts_statp
->st_ctime
> a
->fts_statp
->st_ctime
)
146 else if (b
->fts_statp
->st_ctime
< a
->fts_statp
->st_ctime
)
148 else if (CTIMENSEC_CMP(b
->fts_statp
, >, a
->fts_statp
))
150 else if (CTIMENSEC_CMP(b
->fts_statp
, <, a
->fts_statp
))
153 return (namecmp(a
, b
));
157 revstatcmp(const FTSENT
*a
, const FTSENT
*b
)
159 if (b
->fts_statp
->st_ctime
> a
->fts_statp
->st_ctime
)
161 else if (b
->fts_statp
->st_ctime
< a
->fts_statp
->st_ctime
)
163 else if (CTIMENSEC_CMP(b
->fts_statp
, >, a
->fts_statp
))
165 else if (CTIMENSEC_CMP(b
->fts_statp
, <, a
->fts_statp
))
168 return (revnamecmp(a
, b
));
175 if (b
->fts_statp
->st_size
> a
->fts_statp
->st_size
)
177 if (b
->fts_statp
->st_size
< a
->fts_statp
->st_size
)
180 return (namecmp(a
, b
));
187 if (b
->fts_statp
->st_size
> a
->fts_statp
->st_size
)
189 if (b
->fts_statp
->st_size
< a
->fts_statp
->st_size
)
192 return (revnamecmp(a
, b
));