[apple/file_cmds.git] / ls / cmp.c

/*	$NetBSD: cmp.c,v 1.14 1998/10/09 02:00:39 enami Exp $	*/

/*
 * Copyright (c) 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Michael Fischbein.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)cmp.c	8.1 (Berkeley) 5/31/93";
#else
__RCSID("$NetBSD: cmp.c,v 1.14 1998/10/09 02:00:39 enami Exp $");
#endif
#endif /* not lint */

#include <sys/types.h>
#include <sys/stat.h>

#include <fts.h>
#include <string.h>

#include "ls.h"
#include "extern.h"

#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || \
    defined(_XOPEN_SOURCE) || defined(__NetBSD__)
#define ATIMENSEC_CMP(x, op, y) ((x)->st_atimensec op (y)->st_atimensec)
#define CTIMENSEC_CMP(x, op, y) ((x)->st_ctimensec op (y)->st_ctimensec)
#define MTIMENSEC_CMP(x, op, y) ((x)->st_mtimensec op (y)->st_mtimensec)
#else
#define ATIMENSEC_CMP(x, op, y) \
	((x)->st_atimespec.tv_nsec op (y)->st_atimespec.tv_nsec)
#define CTIMENSEC_CMP(x, op, y) \
	((x)->st_ctimespec.tv_nsec op (y)->st_ctimespec.tv_nsec)
#define MTIMENSEC_CMP(x, op, y) \
	((x)->st_mtimespec.tv_nsec op (y)->st_mtimespec.tv_nsec)
#endif

int
namecmp(a, b)
	const FTSENT *a, *b;
{
	return (strcmp(a->fts_name, b->fts_name));
}

int
revnamecmp(a, b)
	const FTSENT *a, *b;
{
	return (strcmp(b->fts_name, a->fts_name));
}

int
modcmp(a, b)
	const FTSENT *a, *b;
{
	if (b->fts_statp->st_mtime > a->fts_statp->st_mtime)
		return (1);
	else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime)
		return (-1);
	else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
		return (1);
	else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
		return (-1);
	else
		return (namecmp(a, b));
}

int
revmodcmp(a, b)
	const FTSENT *a, *b;
{
	if (b->fts_statp->st_mtime > a->fts_statp->st_mtime)
		return (-1);
	else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime)
		return (1);
	else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
		return (-1);
	else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
		return (1);
	else
		return (revnamecmp(a, b));
}

int
acccmp(a, b)
	const FTSENT *a, *b;
{
	if (b->fts_statp->st_atime > a->fts_statp->st_atime)
		return (1);
	else if (b->fts_statp->st_atime < a->fts_statp->st_atime)
		return (-1);
	else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
		return (1);
	else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
		return (-1);
	else
		return (namecmp(a, b));
}

int
revacccmp(a, b)
	const FTSENT *a, *b;
{
	if (b->fts_statp->st_atime > a->fts_statp->st_atime)
		return (-1);
	else if (b->fts_statp->st_atime < a->fts_statp->st_atime)
		return (1);
	else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
		return (-1);
	else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
		return (1);
	else
		return (revnamecmp(a, b));
}

int
statcmp(a, b)
	const FTSENT *a, *b;
{
	if (b->fts_statp->st_ctime > a->fts_statp->st_ctime)
		return (1);
	else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime)
		return (-1);
	else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
		return (1);
	else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
		return (-1);
	else
		return (namecmp(a, b));
}

int
revstatcmp(a, b)
	const FTSENT *a, *b;
{
	if (b->fts_statp->st_ctime > a->fts_statp->st_ctime)
		return (-1);
	else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime)
		return (1);
	else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
		return (-1);
	else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
		return (1);
	else
		return (revnamecmp(a, b));
}

int
sizecmp(a, b)
	const FTSENT *a, *b;
{
	if (b->fts_statp->st_size > a->fts_statp->st_size)
		return (1);
	if (b->fts_statp->st_size < a->fts_statp->st_size)
		return (-1);
	else
		return (namecmp(a, b));
}

int
revsizecmp(a, b)
	const FTSENT *a, *b;
{
	if (b->fts_statp->st_size > a->fts_statp->st_size)
		return (-1);
	if (b->fts_statp->st_size < a->fts_statp->st_size)
		return (1);
	else
		return (revnamecmp(a, b));
}
Commit	Line	Data
44a7a5ab A	1	/* $NetBSD: cmp.c,v 1.14 1998/10/09 02:00:39 enami 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	#include <sys/cdefs.h>
	40	#ifndef lint
	41	#if 0
	42	static char sccsid[] = "@(#)cmp.c 8.1 (Berkeley) 5/31/93";
	43	#else
	44	__RCSID("$NetBSD: cmp.c,v 1.14 1998/10/09 02:00:39 enami Exp $");
	45	#endif
	46	#endif /* not lint */
	47
	48	#include <sys/types.h>
	49	#include <sys/stat.h>
	50
	51	#include <fts.h>
	52	#include <string.h>
	53
	54	#include "ls.h"
	55	#include "extern.h"
	56
	57	#if defined(_POSIX_SOURCE) \|\| defined(_POSIX_C_SOURCE) \|\| \
	58	defined(_XOPEN_SOURCE) \|\| defined(__NetBSD__)
	59	#define ATIMENSEC_CMP(x, op, y) ((x)->st_atimensec op (y)->st_atimensec)
	60	#define CTIMENSEC_CMP(x, op, y) ((x)->st_ctimensec op (y)->st_ctimensec)
	61	#define MTIMENSEC_CMP(x, op, y) ((x)->st_mtimensec op (y)->st_mtimensec)
	62	#else
	63	#define ATIMENSEC_CMP(x, op, y) \
	64	((x)->st_atimespec.tv_nsec op (y)->st_atimespec.tv_nsec)
65	#define CTIMENSEC_CMP(x, op, y) \
66	((x)->st_ctimespec.tv_nsec op (y)->st_ctimespec.tv_nsec)
67	#define MTIMENSEC_CMP(x, op, y) \
68	((x)->st_mtimespec.tv_nsec op (y)->st_mtimespec.tv_nsec)
69	#endif
70
71	int
72	namecmp(a, b)
73	const FTSENT a, b;
74	{
75	return (strcmp(a->fts_name, b->fts_name));
76	}
77
78	int
79	revnamecmp(a, b)
80	const FTSENT a, b;
81	{
82	return (strcmp(b->fts_name, a->fts_name));
83	}
84
85	int
86	modcmp(a, b)
87	const FTSENT a, b;
88	{
89	if (b->fts_statp->st_mtime > a->fts_statp->st_mtime)
90	return (1);
91	else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime)
92	return (-1);
93	else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
94	return (1);
95	else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
96	return (-1);
97	else
98	return (namecmp(a, b));
99	}
100
101	int
102	revmodcmp(a, b)
103	const FTSENT a, b;
104	{
105	if (b->fts_statp->st_mtime > a->fts_statp->st_mtime)
106	return (-1);
107	else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime)
108	return (1);
109	else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
110	return (-1);
111	else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
112	return (1);
113	else
114	return (revnamecmp(a, b));
115	}
116
117	int
118	acccmp(a, b)
119	const FTSENT a, b;
120	{
121	if (b->fts_statp->st_atime > a->fts_statp->st_atime)
122	return (1);
123	else if (b->fts_statp->st_atime < a->fts_statp->st_atime)
124	return (-1);
125	else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
126	return (1);
127	else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
128	return (-1);
129	else
130	return (namecmp(a, b));
131	}
132
133	int
134	revacccmp(a, b)
135	const FTSENT a, b;
136	{
137	if (b->fts_statp->st_atime > a->fts_statp->st_atime)
138	return (-1);
139	else if (b->fts_statp->st_atime < a->fts_statp->st_atime)
140	return (1);
141	else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
142	return (-1);
143	else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
144	return (1);
145	else
146	return (revnamecmp(a, b));
147	}
148
149	int
150	statcmp(a, b)
151	const FTSENT a, b;
152	{
153	if (b->fts_statp->st_ctime > a->fts_statp->st_ctime)
154	return (1);
155	else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime)
156	return (-1);
157	else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
158	return (1);
159	else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
160	return (-1);
161	else
162	return (namecmp(a, b));
163	}
164
165	int
166	revstatcmp(a, b)
167	const FTSENT a, b;
168	{
169	if (b->fts_statp->st_ctime > a->fts_statp->st_ctime)
170	return (-1);
171	else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime)
172	return (1);
173	else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
174	return (-1);
175	else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
176	return (1);
177	else
178	return (revnamecmp(a, b));
179	}
180
181	int
182	sizecmp(a, b)
183	const FTSENT a, b;
184	{
185	if (b->fts_statp->st_size > a->fts_statp->st_size)
186	return (1);
187	if (b->fts_statp->st_size < a->fts_statp->st_size)
188	return (-1);
189	else
190	return (namecmp(a, b));
191	}
192
193	int
194	revsizecmp(a, b)
195	const FTSENT a, b;
196	{
197	if (b->fts_statp->st_size > a->fts_statp->st_size)
198	return (-1);
199	if (b->fts_statp->st_size < a->fts_statp->st_size)
200	return (1);
201	else
202	return (revnamecmp(a, b));
203	}