204 lines
5.6 KiB
C
204 lines
5.6 KiB
C
/* $NetBSD: cmp.c,v 1.16 2000/07/29 03:46:14 lukem Exp $ */
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/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Michael Fischbein.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)cmp.c 8.1 (Berkeley) 5/31/93";
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#else
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__RCSID("$NetBSD: cmp.c,v 1.16 2000/07/29 03:46:14 lukem Exp $");
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#endif
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#endif /* not lint */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fts.h>
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#include <string.h>
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#include "ls.h"
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#include "extern.h"
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#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || \
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defined(_XOPEN_SOURCE) || defined(__NetBSD__)
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#define ATIMENSEC_CMP(x, op, y) ((x)->st_atimensec op (y)->st_atimensec)
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#define CTIMENSEC_CMP(x, op, y) ((x)->st_ctimensec op (y)->st_ctimensec)
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#define MTIMENSEC_CMP(x, op, y) ((x)->st_mtimensec op (y)->st_mtimensec)
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#else
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#define ATIMENSEC_CMP(x, op, y) \
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((x)->st_atimespec.tv_nsec op (y)->st_atimespec.tv_nsec)
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#define CTIMENSEC_CMP(x, op, y) \
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((x)->st_ctimespec.tv_nsec op (y)->st_ctimespec.tv_nsec)
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#define MTIMENSEC_CMP(x, op, y) \
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((x)->st_mtimespec.tv_nsec op (y)->st_mtimespec.tv_nsec)
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#endif
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int
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namecmp(const FTSENT *a, const FTSENT *b)
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{
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return (strcmp(a->fts_name, b->fts_name));
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}
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int
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revnamecmp(const FTSENT *a, const FTSENT *b)
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{
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return (strcmp(b->fts_name, a->fts_name));
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}
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int
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modcmp(const FTSENT *a, const FTSENT *b)
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{
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if (b->fts_statp->st_mtime > a->fts_statp->st_mtime)
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return (1);
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else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime)
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return (-1);
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else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
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return (1);
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else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
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return (-1);
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else
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return (namecmp(a, b));
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}
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int
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revmodcmp(const FTSENT *a, const FTSENT *b)
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{
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if (b->fts_statp->st_mtime > a->fts_statp->st_mtime)
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return (-1);
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else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime)
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return (1);
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else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
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return (-1);
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else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
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return (1);
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else
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return (revnamecmp(a, b));
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}
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int
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acccmp(const FTSENT *a, const FTSENT *b)
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{
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if (b->fts_statp->st_atime > a->fts_statp->st_atime)
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return (1);
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else if (b->fts_statp->st_atime < a->fts_statp->st_atime)
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return (-1);
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else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
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return (1);
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else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
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return (-1);
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else
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return (namecmp(a, b));
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}
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int
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revacccmp(const FTSENT *a, const FTSENT *b)
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{
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if (b->fts_statp->st_atime > a->fts_statp->st_atime)
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return (-1);
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else if (b->fts_statp->st_atime < a->fts_statp->st_atime)
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return (1);
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else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
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return (-1);
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else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
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return (1);
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else
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return (revnamecmp(a, b));
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}
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int
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statcmp(const FTSENT *a, const FTSENT *b)
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{
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if (b->fts_statp->st_ctime > a->fts_statp->st_ctime)
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return (1);
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else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime)
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return (-1);
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else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
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return (1);
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else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
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return (-1);
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else
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return (namecmp(a, b));
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}
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int
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revstatcmp(const FTSENT *a, const FTSENT *b)
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{
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if (b->fts_statp->st_ctime > a->fts_statp->st_ctime)
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return (-1);
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else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime)
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return (1);
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else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp))
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return (-1);
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else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp))
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return (1);
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else
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return (revnamecmp(a, b));
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}
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int
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sizecmp(const FTSENT *a, const FTSENT *b)
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{
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if (b->fts_statp->st_size > a->fts_statp->st_size)
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return (1);
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if (b->fts_statp->st_size < a->fts_statp->st_size)
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return (-1);
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else
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return (namecmp(a, b));
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}
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int
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revsizecmp(const FTSENT *a, const FTSENT *b)
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{
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if (b->fts_statp->st_size > a->fts_statp->st_size)
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return (-1);
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if (b->fts_statp->st_size < a->fts_statp->st_size)
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return (1);
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else
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return (revnamecmp(a, b));
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}
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