xref: /freebsd/bin/ls/cmp.c (revision 46251dde8f47db03ad83997efd5e8f8bd8938855)
14b88c807SRodney W. Grimes /*
24b88c807SRodney W. Grimes  * Copyright (c) 1989, 1993
34b88c807SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
44b88c807SRodney W. Grimes  *
54b88c807SRodney W. Grimes  * This code is derived from software contributed to Berkeley by
64b88c807SRodney W. Grimes  * Michael Fischbein.
74b88c807SRodney W. Grimes  *
84b88c807SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
94b88c807SRodney W. Grimes  * modification, are permitted provided that the following conditions
104b88c807SRodney W. Grimes  * are met:
114b88c807SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
124b88c807SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
134b88c807SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
144b88c807SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
154b88c807SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
164b88c807SRodney W. Grimes  * 3. All advertising materials mentioning features or use of this software
174b88c807SRodney W. Grimes  *    must display the following acknowledgement:
184b88c807SRodney W. Grimes  *	This product includes software developed by the University of
194b88c807SRodney W. Grimes  *	California, Berkeley and its contributors.
204b88c807SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
214b88c807SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
224b88c807SRodney W. Grimes  *    without specific prior written permission.
234b88c807SRodney W. Grimes  *
244b88c807SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
254b88c807SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
264b88c807SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
274b88c807SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
284b88c807SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
294b88c807SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
304b88c807SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
314b88c807SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
324b88c807SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
334b88c807SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
344b88c807SRodney W. Grimes  * SUCH DAMAGE.
354b88c807SRodney W. Grimes  */
364b88c807SRodney W. Grimes 
374b88c807SRodney W. Grimes #ifndef lint
38febad2fcSSteve Price #if 0
39febad2fcSSteve Price static char sccsid[] = "@(#)cmp.c	8.1 (Berkeley) 5/31/93";
40febad2fcSSteve Price #else
41d46c1a60SSteve Price static const char rcsid[] =
422a456239SPeter Wemm   "$FreeBSD$";
43febad2fcSSteve Price #endif
444b88c807SRodney W. Grimes #endif /* not lint */
454b88c807SRodney W. Grimes 
464b88c807SRodney W. Grimes #include <sys/types.h>
474b88c807SRodney W. Grimes #include <sys/stat.h>
484b88c807SRodney W. Grimes 
494b88c807SRodney W. Grimes #include <fts.h>
504b88c807SRodney W. Grimes #include <string.h>
514b88c807SRodney W. Grimes 
524b88c807SRodney W. Grimes #include "ls.h"
534b88c807SRodney W. Grimes #include "extern.h"
544b88c807SRodney W. Grimes 
554b88c807SRodney W. Grimes int
5646251ddeSWarner Losh namecmp(const FTSENT *a, const FTSENT *b)
574b88c807SRodney W. Grimes {
58942c84aaSAndrey A. Chernov 	return (strcoll(a->fts_name, b->fts_name));
594b88c807SRodney W. Grimes }
604b88c807SRodney W. Grimes 
614b88c807SRodney W. Grimes int
6246251ddeSWarner Losh revnamecmp(const FTSENT *a, const FTSENT *b)
634b88c807SRodney W. Grimes {
64942c84aaSAndrey A. Chernov 	return (strcoll(b->fts_name, a->fts_name));
654b88c807SRodney W. Grimes }
664b88c807SRodney W. Grimes 
674b88c807SRodney W. Grimes int
6846251ddeSWarner Losh modcmp(const FTSENT *a, const FTSENT *b)
694b88c807SRodney W. Grimes {
704b88c807SRodney W. Grimes 	return (b->fts_statp->st_mtime - a->fts_statp->st_mtime);
714b88c807SRodney W. Grimes }
724b88c807SRodney W. Grimes 
734b88c807SRodney W. Grimes int
7446251ddeSWarner Losh revmodcmp(const FTSENT *a, const FTSENT *b)
754b88c807SRodney W. Grimes {
764b88c807SRodney W. Grimes 	return (a->fts_statp->st_mtime - b->fts_statp->st_mtime);
774b88c807SRodney W. Grimes }
784b88c807SRodney W. Grimes 
794b88c807SRodney W. Grimes int
8046251ddeSWarner Losh acccmp(const FTSENT *a, const FTSENT *b)
814b88c807SRodney W. Grimes {
824b88c807SRodney W. Grimes 	return (b->fts_statp->st_atime - a->fts_statp->st_atime);
834b88c807SRodney W. Grimes }
844b88c807SRodney W. Grimes 
854b88c807SRodney W. Grimes int
8646251ddeSWarner Losh revacccmp(const FTSENT *a, const FTSENT *b)
874b88c807SRodney W. Grimes {
884b88c807SRodney W. Grimes 	return (a->fts_statp->st_atime - b->fts_statp->st_atime);
894b88c807SRodney W. Grimes }
904b88c807SRodney W. Grimes 
914b88c807SRodney W. Grimes int
9246251ddeSWarner Losh statcmp(const FTSENT *a, const FTSENT *b)
934b88c807SRodney W. Grimes {
944b88c807SRodney W. Grimes 	return (b->fts_statp->st_ctime - a->fts_statp->st_ctime);
954b88c807SRodney W. Grimes }
964b88c807SRodney W. Grimes 
974b88c807SRodney W. Grimes int
9846251ddeSWarner Losh revstatcmp(const FTSENT *a, const FTSENT *b)
994b88c807SRodney W. Grimes {
1004b88c807SRodney W. Grimes 	return (a->fts_statp->st_ctime - b->fts_statp->st_ctime);
1014b88c807SRodney W. Grimes }
102