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cmp.c revision 1.5 
      1 /*
      2  * Copyright (c) 1989 The Regents of the University of California.
      3  * 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  * 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.
     23  *
     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
     34  * SUCH DAMAGE.
     35  */
     36 
     37 #ifndef lint
     38 /*static char sccsid[] = "from: @(#)cmp.c	5.7 (Berkeley) 3/1/92";*/
     39 static char rcsid[] = "$Id: cmp.c,v 1.5 1993/08/07 03:56:51 mycroft Exp $";
     40 #endif /* not lint */
     41 
     42 #include <sys/types.h>
     43 #include <sys/stat.h>
     44 #include <fts.h>
     45 #include <string.h>
     46 #include "ls.h"
     47 #include "extern.h"
     48 
     49 int
     50 namecmp(a, b)
     51 	const FTSENT *a, *b;
     52 {
     53 	return (strcmp(a->fts_name, b->fts_name));
     54 }
     55 
     56 int
     57 revnamecmp(a, b)
     58 	const FTSENT *a, *b;
     59 {
     60 	return (strcmp(b->fts_name, a->fts_name));
     61 }
     62 
     63 int
     64 modcmp(a, b)
     65 	const FTSENT *a, *b;
     66 {
     67 	return (b->fts_statp->st_mtime - a->fts_statp->st_mtime);
     68 }
     69 
     70 int
     71 revmodcmp(a, b)
     72 	const FTSENT *a, *b;
     73 {
     74 	return (a->fts_statp->st_mtime - b->fts_statp->st_mtime);
     75 }
     76 
     77 int
     78 acccmp(a, b)
     79 	const FTSENT *a, *b;
     80 {
     81 	return (b->fts_statp->st_atime - a->fts_statp->st_atime);
     82 }
     83 
     84 int
     85 revacccmp(a, b)
     86 	const FTSENT *a, *b;
     87 {
     88 	return (a->fts_statp->st_atime - b->fts_statp->st_atime);
     89 }
     90 
     91 int
     92 statcmp(a, b)
     93 	const FTSENT *a, *b;
     94 {
     95 	return (b->fts_statp->st_ctime - a->fts_statp->st_ctime);
     96 }
     97 
     98 int
     99 revstatcmp(a, b)
    100 	const FTSENT *a, *b;
    101 {
    102 	return (a->fts_statp->st_ctime - b->fts_statp->st_ctime);
    103 }
    104