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cmp.c revision 1.8 
      1 /*	$NetBSD: cmp.c,v 1.8 1995/03/21 09:06:20 cgd Exp $	*/
      2 
      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. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the University of
     21  *	California, Berkeley and its contributors.
     22  * 4. Neither the name of the University nor the names of its contributors
     23  *    may be used to endorse or promote products derived from this software
     24  *    without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     36  * SUCH DAMAGE.
     37  */
     38 
     39 #ifndef lint
     40 #if 0
     41 static char sccsid[] = "@(#)cmp.c	8.1 (Berkeley) 5/31/93";
     42 #else
     43 static char rcsid[] = "$NetBSD: cmp.c,v 1.8 1995/03/21 09:06:20 cgd Exp $";
     44 #endif
     45 #endif /* not lint */
     46 
     47 #include <sys/types.h>
     48 #include <sys/stat.h>
     49 
     50 #include <fts.h>
     51 #include <string.h>
     52 
     53 #include "ls.h"
     54 #include "extern.h"
     55 
     56 int
     57 namecmp(a, b)
     58 	const FTSENT *a, *b;
     59 {
     60 	return (strcmp(a->fts_name, b->fts_name));
     61 }
     62 
     63 int
     64 revnamecmp(a, b)
     65 	const FTSENT *a, *b;
     66 {
     67 	return (strcmp(b->fts_name, a->fts_name));
     68 }
     69 
     70 int
     71 modcmp(a, b)
     72 	const FTSENT *a, *b;
     73 {
     74 	return (b->fts_statp->st_mtime - a->fts_statp->st_mtime);
     75 }
     76 
     77 int
     78 revmodcmp(a, b)
     79 	const FTSENT *a, *b;
     80 {
     81 	return (a->fts_statp->st_mtime - b->fts_statp->st_mtime);
     82 }
     83 
     84 int
     85 acccmp(a, b)
     86 	const FTSENT *a, *b;
     87 {
     88 	return (b->fts_statp->st_atime - a->fts_statp->st_atime);
     89 }
     90 
     91 int
     92 revacccmp(a, b)
     93 	const FTSENT *a, *b;
     94 {
     95 	return (a->fts_statp->st_atime - b->fts_statp->st_atime);
     96 }
     97 
     98 int
     99 statcmp(a, b)
    100 	const FTSENT *a, *b;
    101 {
    102 	return (b->fts_statp->st_ctime - a->fts_statp->st_ctime);
    103 }
    104 
    105 int
    106 revstatcmp(a, b)
    107 	const FTSENT *a, *b;
    108 {
    109 	return (a->fts_statp->st_ctime - b->fts_statp->st_ctime);
    110 }
    111 
    112 int
    113 sizecmp(a, b)
    114 	const FTSENT *a, *b;
    115 {
    116 	if (b->fts_statp->st_size > a->fts_statp->st_size)
    117 		return 1;
    118 	if (b->fts_statp->st_size < a->fts_statp->st_size)
    119 		return -1;
    120 	return 0;
    121 }
    122 
    123 int
    124 revsizecmp(a, b)
    125 	const FTSENT *a, *b;
    126 {
    127 	if (a->fts_statp->st_size > b->fts_statp->st_size)
    128 		return 1;
    129 	if (a->fts_statp->st_size < b->fts_statp->st_size)
    130 		return -1;
    131 	return 0;
    132 }
    133