1 /* $OpenBSD: cmp.c,v 1.7 2023/08/08 04:45:44 guenther Exp $ */ 2 /* $NetBSD: cmp.c,v 1.10 1996/07/08 10:32:01 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Michael Fischbein. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/types.h> 37 #include <sys/stat.h> 38 39 #include <fts.h> 40 #include <string.h> 41 42 #include "ls.h" 43 #include "extern.h" 44 45 int 46 namecmp(const FTSENT *a, const FTSENT *b) 47 { 48 return (strcmp(a->fts_name, b->fts_name)); 49 } 50 51 int 52 revnamecmp(const FTSENT *a, const FTSENT *b) 53 { 54 return (strcmp(b->fts_name, a->fts_name)); 55 } 56 57 int 58 modcmp(const FTSENT *a, const FTSENT *b) 59 { 60 if (b->fts_statp->st_mtime > a->fts_statp->st_mtime) 61 return (1); 62 else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime) 63 return (-1); 64 else if (b->fts_statp->st_mtim.tv_nsec > a->fts_statp->st_mtim.tv_nsec) 65 return (1); 66 else if (b->fts_statp->st_mtim.tv_nsec < a->fts_statp->st_mtim.tv_nsec) 67 return (-1); 68 else 69 return (namecmp(a, b)); 70 } 71 72 int 73 revmodcmp(const FTSENT *a, const FTSENT *b) 74 { 75 if (b->fts_statp->st_mtime > a->fts_statp->st_mtime) 76 return (-1); 77 else if (b->fts_statp->st_mtime < a->fts_statp->st_mtime) 78 return (1); 79 else if (b->fts_statp->st_mtim.tv_nsec > a->fts_statp->st_mtim.tv_nsec) 80 return (-1); 81 else if (b->fts_statp->st_mtim.tv_nsec < a->fts_statp->st_mtim.tv_nsec) 82 return (1); 83 else 84 return (revnamecmp(a, b)); 85 } 86 87 int 88 acccmp(const FTSENT *a, const FTSENT *b) 89 { 90 if (b->fts_statp->st_atime > a->fts_statp->st_atime) 91 return (1); 92 else if (b->fts_statp->st_atime < a->fts_statp->st_atime) 93 return (-1); 94 else if (b->fts_statp->st_atim.tv_nsec > a->fts_statp->st_atim.tv_nsec) 95 return (1); 96 else if (b->fts_statp->st_atim.tv_nsec < a->fts_statp->st_atim.tv_nsec) 97 return (-1); 98 else 99 return (namecmp(a, b)); 100 } 101 102 int 103 revacccmp(const FTSENT *a, const FTSENT *b) 104 { 105 if (b->fts_statp->st_atime > a->fts_statp->st_atime) 106 return (-1); 107 else if (b->fts_statp->st_atime < a->fts_statp->st_atime) 108 return (1); 109 else if (b->fts_statp->st_atim.tv_nsec > a->fts_statp->st_atim.tv_nsec) 110 return (-1); 111 else if (b->fts_statp->st_atim.tv_nsec < a->fts_statp->st_atim.tv_nsec) 112 return (1); 113 else 114 return (revnamecmp(a, b)); 115 } 116 117 int 118 statcmp(const FTSENT *a, const FTSENT *b) 119 { 120 if (b->fts_statp->st_ctime > a->fts_statp->st_ctime) 121 return (1); 122 else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime) 123 return (-1); 124 else if (b->fts_statp->st_ctim.tv_nsec > a->fts_statp->st_ctim.tv_nsec) 125 return (1); 126 else if (b->fts_statp->st_ctim.tv_nsec < a->fts_statp->st_ctim.tv_nsec) 127 return (-1); 128 else 129 return (namecmp(a, b)); 130 } 131 132 int 133 revstatcmp(const FTSENT *a, const FTSENT *b) 134 { 135 if (b->fts_statp->st_ctime > a->fts_statp->st_ctime) 136 return (-1); 137 else if (b->fts_statp->st_ctime < a->fts_statp->st_ctime) 138 return (1); 139 else if (b->fts_statp->st_ctim.tv_nsec > a->fts_statp->st_ctim.tv_nsec) 140 return (-1); 141 else if (b->fts_statp->st_ctim.tv_nsec < a->fts_statp->st_ctim.tv_nsec) 142 return (1); 143 else 144 return (revnamecmp(a, b)); 145 } 146 147 int 148 sizecmp(const FTSENT *a, const FTSENT *b) 149 { 150 if (b->fts_statp->st_size > a->fts_statp->st_size) 151 return (1); 152 if (b->fts_statp->st_size < a->fts_statp->st_size) 153 return (-1); 154 else 155 return (namecmp(a, b)); 156 } 157 158 int 159 revsizecmp(const FTSENT *a, const FTSENT *b) 160 { 161 if (b->fts_statp->st_size > a->fts_statp->st_size) 162 return (-1); 163 if (b->fts_statp->st_size < a->fts_statp->st_size) 164 return (1); 165 else 166 return (revnamecmp(a, b)); 167 } 168