1 /* $NetBSD: stat_flags.c,v 1.3 2022/04/19 20:32:17 rillig Exp $ */ 2 3 /*- 4 * Copyright (c) 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #if HAVE_NBTOOL_CONFIG_H 33 #include "nbtool_config.h" 34 #else 35 #define HAVE_STRUCT_STAT_ST_FLAGS 1 36 #endif 37 38 #include <sys/cdefs.h> 39 #if !defined(lint) 40 #if 0 41 static char sccsid[] = "@(#)stat_flags.c 8.2 (Berkeley) 7/28/94"; 42 #else 43 __RCSID("$NetBSD: stat_flags.c,v 1.3 2022/04/19 20:32:17 rillig Exp $"); 44 #endif 45 #endif /* not lint */ 46 47 #include <sys/types.h> 48 #include <sys/stat.h> 49 #include <fts.h> 50 #include <stddef.h> 51 #include <string.h> 52 #include <stdlib.h> 53 54 #include "util.h" 55 56 #define SAPPEND(s) do { \ 57 if (prefix != NULL) \ 58 (void)strlcat(string, prefix, sizeof(string)); \ 59 (void)strlcat(string, s, sizeof(string)); \ 60 prefix = ","; \ 61 } while (0) 62 63 /* 64 * flags_to_string -- 65 * Convert stat flags to a comma-separated string. If no flags 66 * are set, return the default string. 67 */ 68 char * 69 flags_to_string(u_long flags, const char *def) 70 { 71 char string[128]; 72 const char *prefix; 73 74 string[0] = '\0'; 75 prefix = NULL; 76 #if HAVE_STRUCT_STAT_ST_FLAGS 77 if (flags & UF_APPEND) 78 SAPPEND("uappnd"); 79 if (flags & UF_IMMUTABLE) 80 SAPPEND("uchg"); 81 if (flags & UF_NODUMP) 82 SAPPEND("nodump"); 83 if (flags & UF_OPAQUE) 84 SAPPEND("opaque"); 85 if (flags & SF_APPEND) 86 SAPPEND("sappnd"); 87 if (flags & SF_ARCHIVED) 88 SAPPEND("arch"); 89 if (flags & SF_IMMUTABLE) 90 SAPPEND("schg"); 91 #ifdef SF_SNAPSHOT 92 if (flags & SF_SNAPSHOT) 93 SAPPEND("snap"); 94 #endif 95 #endif 96 if (prefix != NULL) 97 return strdup(string); 98 return strdup(def); 99 } 100 101 #define TEST(a, b, f) { \ 102 if (!strcmp(a, b)) { \ 103 if (clear) { \ 104 if (clrp) \ 105 *clrp |= (f); \ 106 if (setp) \ 107 *setp &= ~(f); \ 108 } else { \ 109 if (setp) \ 110 *setp |= (f); \ 111 if (clrp) \ 112 *clrp &= ~(f); \ 113 } \ 114 break; \ 115 } \ 116 } 117 118 /* 119 * string_to_flags -- 120 * Take string of arguments and return stat flags. Return 0 on 121 * success, 1 on failure. On failure, stringp is set to point 122 * to the offending token. 123 */ 124 int 125 string_to_flags(char **stringp, u_long *setp, u_long *clrp) 126 { 127 int clear; 128 char *string, *p; 129 130 if (setp) 131 *setp = 0; 132 if (clrp) 133 *clrp = 0; 134 135 #if HAVE_STRUCT_STAT_ST_FLAGS 136 string = *stringp; 137 while ((p = strsep(&string, "\t ,")) != NULL) { 138 clear = 0; 139 *stringp = p; 140 if (*p == '\0') 141 continue; 142 if (p[0] == 'n' && p[1] == 'o') { 143 clear = 1; 144 p += 2; 145 } 146 switch (p[0]) { 147 case 'a': 148 TEST(p, "arch", SF_ARCHIVED); 149 TEST(p, "archived", SF_ARCHIVED); 150 return (1); 151 case 'd': 152 clear = !clear; 153 TEST(p, "dump", UF_NODUMP); 154 return (1); 155 case 'n': 156 /* 157 * Support `nonodump'. Note that 158 * the state of clear is not changed. 159 */ 160 TEST(p, "nodump", UF_NODUMP); 161 return (1); 162 case 'o': 163 TEST(p, "opaque", UF_OPAQUE); 164 return (1); 165 case 's': 166 TEST(p, "sappnd", SF_APPEND); 167 TEST(p, "sappend", SF_APPEND); 168 TEST(p, "schg", SF_IMMUTABLE); 169 TEST(p, "schange", SF_IMMUTABLE); 170 TEST(p, "simmutable", SF_IMMUTABLE); 171 return (1); 172 case 'u': 173 TEST(p, "uappnd", UF_APPEND); 174 TEST(p, "uappend", UF_APPEND); 175 TEST(p, "uchg", UF_IMMUTABLE); 176 TEST(p, "uchange", UF_IMMUTABLE); 177 TEST(p, "uimmutable", UF_IMMUTABLE); 178 return (1); 179 default: 180 return (1); 181 } 182 } 183 #endif 184 185 return (0); 186 } 187
Indexes created Sat Sep 20 22:09:52 GMT 2025