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1.2 ! stacktic 1: /* $NetBSD: stat_flags.c,v 1.1 2009/11/05 14:39:16 stacktic Exp $ */
1.1 stacktic 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
1.2 ! stacktic 37: #if HAVE_NBCOMPAT_H
! 38: #include <nbcompat.h>
! 39: #endif
1.1 stacktic 40:
41: #include <sys/cdefs.h>
42: #if !defined(lint)
43: #if 0
44: static char sccsid[] = "@(#)stat_flags.c 8.2 (Berkeley) 7/28/94";
45: #else
1.2 ! stacktic 46: __RCSID("$NetBSD: stat_flags.c,v 1.1 2009/11/05 14:39:16 stacktic Exp $");
1.1 stacktic 47: #endif
48: #endif /* not lint */
49:
50: #include <sys/types.h>
51: #include <sys/stat.h>
52: #include <stddef.h>
53: #include <string.h>
54: #include <stdlib.h>
55:
56: #include "nbsysstat.h"
57: #include "fsu_compat.h"
58:
59: #define SAPPEND(s) do { \
60: if (prefix != NULL) \
61: (void)strlcat(string, prefix, sizeof(string)); \
62: (void)strlcat(string, s, sizeof(string)); \
63: prefix = ","; \
64: } while (/* CONSTCOND */ 0)
65:
66: /*
67: * flags_to_string --
68: * Convert stat flags to a comma-separated string. If no flags
69: * are set, return the default string.
70: */
71: char *
72: flags_to_string(u_long flags, const char *def)
73: {
74: char string[128];
75: const char *prefix;
76:
77: string[0] = '\0';
78: prefix = NULL;
79: #if HAVE_STRUCT_STAT_ST_FLAGS
80: if (flags & UF_APPEND)
81: SAPPEND("uappnd");
82: if (flags & UF_IMMUTABLE)
83: SAPPEND("uchg");
84: if (flags & UF_NODUMP)
85: SAPPEND("nodump");
86: if (flags & UF_OPAQUE)
87: SAPPEND("opaque");
88: if (flags & SF_APPEND)
89: SAPPEND("sappnd");
90: if (flags & SF_ARCHIVED)
91: SAPPEND("arch");
92: if (flags & SF_IMMUTABLE)
93: SAPPEND("schg");
94: #ifdef SF_SNAPSHOT
95: if (flags & SF_SNAPSHOT)
96: SAPPEND("snap");
97: #endif
98: #endif
99: if (prefix != NULL)
100: return strdup(string);
101: return strdup(def);
102: }
103:
104: #define TEST(a, b, f) { \
105: if (!strcmp(a, b)) { \
106: if (clear) { \
107: if (clrp) \
108: *clrp |= (f); \
109: if (setp) \
110: *setp &= ~(f); \
111: } else { \
112: if (setp) \
113: *setp |= (f); \
114: if (clrp) \
115: *clrp &= ~(f); \
116: } \
117: break; \
118: } \
119: }
120:
121: /*
122: * string_to_flags --
123: * Take string of arguments and return stat flags. Return 0 on
124: * success, 1 on failure. On failure, stringp is set to point
125: * to the offending token.
126: */
127: int
128: string_to_flags(char **stringp, u_long *setp, u_long *clrp)
129: {
130: int clear;
131: char *string, *p;
132:
133: if (setp)
134: *setp = 0;
135: if (clrp)
136: *clrp = 0;
137:
138: #if HAVE_STRUCT_STAT_ST_FLAGS
139: string = *stringp;
140: while ((p = strsep(&string, "\t ,")) != NULL) {
141: clear = 0;
142: *stringp = p;
143: if (*p == '\0')
144: continue;
145: if (p[0] == 'n' && p[1] == 'o') {
146: clear = 1;
147: p += 2;
148: }
149: switch (p[0]) {
150: case 'a':
151: TEST(p, "arch", SF_ARCHIVED);
152: TEST(p, "archived", SF_ARCHIVED);
153: return (1);
154: case 'd':
155: clear = !clear;
156: TEST(p, "dump", UF_NODUMP);
157: return (1);
158: case 'n':
159: /*
160: * Support `nonodump'. Note that
161: * the state of clear is not changed.
162: */
163: TEST(p, "nodump", UF_NODUMP);
164: return (1);
165: case 'o':
166: TEST(p, "opaque", UF_OPAQUE);
167: return (1);
168: case 's':
169: TEST(p, "sappnd", SF_APPEND);
170: TEST(p, "sappend", SF_APPEND);
171: TEST(p, "schg", SF_IMMUTABLE);
172: TEST(p, "schange", SF_IMMUTABLE);
173: TEST(p, "simmutable", SF_IMMUTABLE);
174: return (1);
175: case 'u':
176: TEST(p, "uappnd", UF_APPEND);
177: TEST(p, "uappend", UF_APPEND);
178: TEST(p, "uchg", UF_IMMUTABLE);
179: TEST(p, "uchange", UF_IMMUTABLE);
180: TEST(p, "uimmutable", UF_IMMUTABLE);
181: return (1);
182: default:
183: return (1);
184: }
185: }
186: #endif
187:
188: return (0);
189: }