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1.1 ! stacktic 1: /* $NetBSD: stat_flags.c,v 1.2 2007/01/16 17:34:02 cbiere 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 1.2 2007/01/16 17:34:02 cbiere Exp $");
! 44: #endif
! 45: #endif /* not lint */
! 46:
! 47: #include <sys/types.h>
! 48: #include <sys/stat.h>
! 49: #include <stddef.h>
! 50: #include <string.h>
! 51: #include <stdlib.h>
! 52:
! 53: #include "nbsysstat.h"
! 54: #include "fsu_compat.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 (/* CONSTCOND */ 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: }