[3899a537] | 1 | /* $NetBSD: cmp.c,v 1.17 2003/08/07 09:05:14 agc Exp $ */ |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (c) 1989, 1993 |
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| 5 | * The Regents of the University of California. All rights reserved. |
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| 6 | * |
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| 7 | * This code is derived from software contributed to Berkeley by |
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| 8 | * Michael Fischbein. |
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| 9 | * |
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| 10 | * Redistribution and use in source and binary forms, with or without |
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| 11 | * modification, are permitted provided that the following conditions |
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| 12 | * are met: |
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| 13 | * 1. Redistributions of source code must retain the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer. |
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 16 | * notice, this list of conditions and the following disclaimer in the |
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| 17 | * documentation and/or other materials provided with the distribution. |
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| 18 | * 3. Neither the name of the University nor the names of its contributors |
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| 19 | * may be used to endorse or promote products derived from this software |
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| 20 | * without specific prior written permission. |
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| 21 | * |
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 32 | * SUCH DAMAGE. |
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| 33 | */ |
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| 34 | |
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[575babc] | 35 | #ifdef HAVE_CONFIG_H |
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| 36 | #include "config.h" |
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| 37 | #endif |
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| 38 | |
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[3899a537] | 39 | #if 0 |
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| 40 | #include <sys/cdefs.h> |
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| 41 | #ifndef lint |
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| 42 | #if 0 |
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| 43 | static char sccsid[] = "@(#)cmp.c 8.1 (Berkeley) 5/31/93"; |
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| 44 | #else |
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| 45 | __RCSID("$NetBSD: cmp.c,v 1.17 2003/08/07 09:05:14 agc Exp $"); |
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| 46 | #endif |
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| 47 | #endif /* not lint */ |
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| 48 | #endif |
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| 49 | |
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| 50 | #include <sys/types.h> |
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| 51 | #include <sys/stat.h> |
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| 52 | |
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[6cdaa85] | 53 | #include "fts.h" |
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[3899a537] | 54 | #include <string.h> |
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| 55 | |
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| 56 | #include "extern-ls.h" |
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| 57 | |
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| 58 | #if defined(__rtems__) || defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) || \ |
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| 59 | defined(_XOPEN_SOURCE) || defined(__NetBSD__) |
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| 60 | #define ATIMENSEC_CMP(x, op, y) ((x)->st_atime op (y)->st_atime) |
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| 61 | #define CTIMENSEC_CMP(x, op, y) ((x)->st_ctime op (y)->st_ctime) |
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| 62 | #define MTIMENSEC_CMP(x, op, y) ((x)->st_mtime op (y)->st_mtime) |
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| 63 | #else |
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| 64 | #define ATIMENSEC_CMP(x, op, y) \ |
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| 65 | ((x)->st_atime.tv_nsec op (y)->st_atime.tv_nsec) |
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| 66 | #define CTIMENSEC_CMP(x, op, y) \ |
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| 67 | ((x)->st_ctime.tv_nsec op (y)->st_ctime.tv_nsec) |
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| 68 | #define MTIMENSEC_CMP(x, op, y) \ |
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| 69 | ((x)->st_mtime.tv_nsec op (y)->st_mtime.tv_nsec) |
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| 70 | #endif |
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| 71 | |
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| 72 | int |
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| 73 | namecmp(const FTSENT *a, const FTSENT *b) |
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| 74 | { |
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| 75 | |
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| 76 | return (strcmp(a->fts_name, b->fts_name)); |
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| 77 | } |
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| 78 | |
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| 79 | int |
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| 80 | revnamecmp(const FTSENT *a, const FTSENT *b) |
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| 81 | { |
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| 82 | |
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| 83 | return (strcmp(b->fts_name, a->fts_name)); |
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| 84 | } |
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| 85 | |
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| 86 | int |
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| 87 | modcmp(const FTSENT *a, const FTSENT *b) |
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| 88 | { |
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| 89 | |
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| 90 | if (b->fts_statp->st_mtime > a->fts_statp->st_mtime) |
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| 91 | return (1); |
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| 92 | else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime) |
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| 93 | return (-1); |
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| 94 | else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) |
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| 95 | return (1); |
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| 96 | else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) |
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| 97 | return (-1); |
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| 98 | else |
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| 99 | return (namecmp(a, b)); |
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| 100 | } |
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| 101 | |
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| 102 | int |
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| 103 | revmodcmp(const FTSENT *a, const FTSENT *b) |
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| 104 | { |
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| 105 | |
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| 106 | if (b->fts_statp->st_mtime > a->fts_statp->st_mtime) |
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| 107 | return (-1); |
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| 108 | else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime) |
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| 109 | return (1); |
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| 110 | else if (MTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) |
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| 111 | return (-1); |
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| 112 | else if (MTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) |
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| 113 | return (1); |
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| 114 | else |
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| 115 | return (revnamecmp(a, b)); |
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| 116 | } |
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| 117 | |
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| 118 | int |
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| 119 | acccmp(const FTSENT *a, const FTSENT *b) |
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| 120 | { |
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| 121 | |
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| 122 | if (b->fts_statp->st_atime > a->fts_statp->st_atime) |
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| 123 | return (1); |
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| 124 | else if (b->fts_statp->st_atime < a->fts_statp->st_atime) |
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| 125 | return (-1); |
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| 126 | else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) |
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| 127 | return (1); |
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| 128 | else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) |
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| 129 | return (-1); |
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| 130 | else |
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| 131 | return (namecmp(a, b)); |
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| 132 | } |
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| 133 | |
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| 134 | int |
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| 135 | revacccmp(const FTSENT *a, const FTSENT *b) |
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| 136 | { |
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| 137 | |
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| 138 | if (b->fts_statp->st_atime > a->fts_statp->st_atime) |
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| 139 | return (-1); |
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| 140 | else if (b->fts_statp->st_atime < a->fts_statp->st_atime) |
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| 141 | return (1); |
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| 142 | else if (ATIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) |
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| 143 | return (-1); |
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| 144 | else if (ATIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) |
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| 145 | return (1); |
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| 146 | else |
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| 147 | return (revnamecmp(a, b)); |
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| 148 | } |
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| 149 | |
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| 150 | int |
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| 151 | statcmp(const FTSENT *a, const FTSENT *b) |
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| 152 | { |
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| 153 | |
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| 154 | if (b->fts_statp->st_ctime > a->fts_statp->st_ctime) |
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| 155 | return (1); |
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| 156 | else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime) |
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| 157 | return (-1); |
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| 158 | else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) |
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| 159 | return (1); |
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| 160 | else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) |
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| 161 | return (-1); |
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| 162 | else |
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| 163 | return (namecmp(a, b)); |
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| 164 | } |
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| 165 | |
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| 166 | int |
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| 167 | revstatcmp(const FTSENT *a, const FTSENT *b) |
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| 168 | { |
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| 169 | |
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| 170 | if (b->fts_statp->st_ctime > a->fts_statp->st_ctime) |
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| 171 | return (-1); |
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| 172 | else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime) |
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| 173 | return (1); |
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| 174 | else if (CTIMENSEC_CMP(b->fts_statp, >, a->fts_statp)) |
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| 175 | return (-1); |
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| 176 | else if (CTIMENSEC_CMP(b->fts_statp, <, a->fts_statp)) |
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| 177 | return (1); |
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| 178 | else |
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| 179 | return (revnamecmp(a, b)); |
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| 180 | } |
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| 181 | |
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| 182 | int |
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| 183 | sizecmp(const FTSENT *a, const FTSENT *b) |
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| 184 | { |
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| 185 | |
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| 186 | if (b->fts_statp->st_size > a->fts_statp->st_size) |
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| 187 | return (1); |
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| 188 | if (b->fts_statp->st_size < a->fts_statp->st_size) |
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| 189 | return (-1); |
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| 190 | else |
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| 191 | return (namecmp(a, b)); |
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| 192 | } |
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| 193 | |
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| 194 | int |
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| 195 | revsizecmp(const FTSENT *a, const FTSENT *b) |
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| 196 | { |
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| 197 | |
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| 198 | if (b->fts_statp->st_size > a->fts_statp->st_size) |
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| 199 | return (-1); |
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| 200 | if (b->fts_statp->st_size < a->fts_statp->st_size) |
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| 201 | return (1); |
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| 202 | else |
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| 203 | return (revnamecmp(a, b)); |
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| 204 | } |
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