1a43287ccSSascha Wildner /* @(#)stat_flags.c 8.2 (Berkeley) 7/28/94 */
2a43287ccSSascha Wildner /* $NetBSD: stat_flags.c,v 1.2 2007/01/16 17:34:02 cbiere Exp $ */
3a43287ccSSascha Wildner
4a43287ccSSascha Wildner /*-
5a43287ccSSascha Wildner * Copyright (c) 1993
6a43287ccSSascha Wildner * The Regents of the University of California. All rights reserved.
7a43287ccSSascha Wildner *
8a43287ccSSascha Wildner * Redistribution and use in source and binary forms, with or without
9a43287ccSSascha Wildner * modification, are permitted provided that the following conditions
10a43287ccSSascha Wildner * are met:
11a43287ccSSascha Wildner * 1. Redistributions of source code must retain the above copyright
12a43287ccSSascha Wildner * notice, this list of conditions and the following disclaimer.
13a43287ccSSascha Wildner * 2. Redistributions in binary form must reproduce the above copyright
14a43287ccSSascha Wildner * notice, this list of conditions and the following disclaimer in the
15a43287ccSSascha Wildner * documentation and/or other materials provided with the distribution.
16a43287ccSSascha Wildner * 3. Neither the name of the University nor the names of its contributors
17a43287ccSSascha Wildner * may be used to endorse or promote products derived from this software
18a43287ccSSascha Wildner * without specific prior written permission.
19a43287ccSSascha Wildner *
20a43287ccSSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21a43287ccSSascha Wildner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22a43287ccSSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23a43287ccSSascha Wildner * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24a43287ccSSascha Wildner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25a43287ccSSascha Wildner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26a43287ccSSascha Wildner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27a43287ccSSascha Wildner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28a43287ccSSascha Wildner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29a43287ccSSascha Wildner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30a43287ccSSascha Wildner * SUCH DAMAGE.
31a43287ccSSascha Wildner */
32a43287ccSSascha Wildner
33*ab48971bSzrj #ifdef __DragonFly__
34a43287ccSSascha Wildner #define HAVE_STRUCT_STAT_ST_FLAGS 1
35*ab48971bSzrj #endif
36a43287ccSSascha Wildner
37a43287ccSSascha Wildner #include <sys/types.h>
38a43287ccSSascha Wildner #include <sys/stat.h>
39a43287ccSSascha Wildner #include <fts.h>
40a43287ccSSascha Wildner #include <stddef.h>
41a43287ccSSascha Wildner #include <stdio.h>
42a43287ccSSascha Wildner #include <string.h>
43a43287ccSSascha Wildner #include <stdlib.h>
44a43287ccSSascha Wildner
45a43287ccSSascha Wildner #include "extern.h"
46a43287ccSSascha Wildner
47a43287ccSSascha Wildner #define SAPPEND(s) do { \
48a43287ccSSascha Wildner if (prefix != NULL) \
49a43287ccSSascha Wildner (void)strlcat(string, prefix, sizeof(string)); \
50a43287ccSSascha Wildner (void)strlcat(string, s, sizeof(string)); \
51a43287ccSSascha Wildner prefix = ","; \
52a43287ccSSascha Wildner } while (/* CONSTCOND */ 0)
53a43287ccSSascha Wildner
54a43287ccSSascha Wildner /*
55a43287ccSSascha Wildner * flags_to_string --
56a43287ccSSascha Wildner * Convert stat flags to a comma-separated string. If no flags
57a43287ccSSascha Wildner * are set, return the default string.
58a43287ccSSascha Wildner */
59a43287ccSSascha Wildner char *
flags_to_string(u_long flags,const char * def)60a43287ccSSascha Wildner flags_to_string(u_long flags, const char *def)
61a43287ccSSascha Wildner {
62a43287ccSSascha Wildner char string[128];
63a43287ccSSascha Wildner const char *prefix;
64a43287ccSSascha Wildner
65a43287ccSSascha Wildner string[0] = '\0';
66a43287ccSSascha Wildner prefix = NULL;
67a43287ccSSascha Wildner #if HAVE_STRUCT_STAT_ST_FLAGS
68a43287ccSSascha Wildner if (flags & UF_APPEND)
69a43287ccSSascha Wildner SAPPEND("uappnd");
70a43287ccSSascha Wildner if (flags & UF_IMMUTABLE)
71a43287ccSSascha Wildner SAPPEND("uchg");
72a43287ccSSascha Wildner if (flags & UF_NODUMP)
73a43287ccSSascha Wildner SAPPEND("nodump");
74a43287ccSSascha Wildner if (flags & UF_OPAQUE)
75a43287ccSSascha Wildner SAPPEND("opaque");
76a43287ccSSascha Wildner if (flags & SF_APPEND)
77a43287ccSSascha Wildner SAPPEND("sappnd");
78a43287ccSSascha Wildner if (flags & SF_ARCHIVED)
79a43287ccSSascha Wildner SAPPEND("arch");
80a43287ccSSascha Wildner if (flags & SF_IMMUTABLE)
81a43287ccSSascha Wildner SAPPEND("schg");
82a43287ccSSascha Wildner #ifdef SF_SNAPSHOT
83a43287ccSSascha Wildner if (flags & SF_SNAPSHOT)
84a43287ccSSascha Wildner SAPPEND("snap");
85a43287ccSSascha Wildner #endif
86a43287ccSSascha Wildner #endif
87a43287ccSSascha Wildner if (prefix != NULL)
88a43287ccSSascha Wildner return strdup(string);
89a43287ccSSascha Wildner return strdup(def);
90a43287ccSSascha Wildner }
91a43287ccSSascha Wildner
92a43287ccSSascha Wildner #define TEST(a, b, f) { \
93a43287ccSSascha Wildner if (!strcmp(a, b)) { \
94a43287ccSSascha Wildner if (clear) { \
95a43287ccSSascha Wildner if (clrp) \
96a43287ccSSascha Wildner *clrp |= (f); \
97a43287ccSSascha Wildner if (setp) \
98a43287ccSSascha Wildner *setp &= ~(f); \
99a43287ccSSascha Wildner } else { \
100a43287ccSSascha Wildner if (setp) \
101a43287ccSSascha Wildner *setp |= (f); \
102a43287ccSSascha Wildner if (clrp) \
103a43287ccSSascha Wildner *clrp &= ~(f); \
104a43287ccSSascha Wildner } \
105a43287ccSSascha Wildner break; \
106a43287ccSSascha Wildner } \
107a43287ccSSascha Wildner }
108a43287ccSSascha Wildner
109a43287ccSSascha Wildner /*
110a43287ccSSascha Wildner * string_to_flags --
111a43287ccSSascha Wildner * Take string of arguments and return stat flags. Return 0 on
112a43287ccSSascha Wildner * success, 1 on failure. On failure, stringp is set to point
113a43287ccSSascha Wildner * to the offending token.
114a43287ccSSascha Wildner */
115a43287ccSSascha Wildner int
string_to_flags(char ** stringp,u_long * setp,u_long * clrp)116a43287ccSSascha Wildner string_to_flags(char **stringp, u_long *setp, u_long *clrp)
117a43287ccSSascha Wildner {
118*ab48971bSzrj #if HAVE_STRUCT_STAT_ST_FLAGS
119a43287ccSSascha Wildner int clear;
120a43287ccSSascha Wildner char *string, *p;
121*ab48971bSzrj #endif
122a43287ccSSascha Wildner
123a43287ccSSascha Wildner if (setp)
124a43287ccSSascha Wildner *setp = 0;
125a43287ccSSascha Wildner if (clrp)
126a43287ccSSascha Wildner *clrp = 0;
127a43287ccSSascha Wildner
128a43287ccSSascha Wildner #if HAVE_STRUCT_STAT_ST_FLAGS
129a43287ccSSascha Wildner string = *stringp;
130a43287ccSSascha Wildner while ((p = strsep(&string, "\t ,")) != NULL) {
131a43287ccSSascha Wildner clear = 0;
132a43287ccSSascha Wildner *stringp = p;
133a43287ccSSascha Wildner if (*p == '\0')
134a43287ccSSascha Wildner continue;
135a43287ccSSascha Wildner if (p[0] == 'n' && p[1] == 'o') {
136a43287ccSSascha Wildner clear = 1;
137a43287ccSSascha Wildner p += 2;
138a43287ccSSascha Wildner }
139a43287ccSSascha Wildner switch (p[0]) {
140a43287ccSSascha Wildner case 'a':
141a43287ccSSascha Wildner TEST(p, "arch", SF_ARCHIVED);
142a43287ccSSascha Wildner TEST(p, "archived", SF_ARCHIVED);
143a43287ccSSascha Wildner return (1);
144a43287ccSSascha Wildner case 'd':
145a43287ccSSascha Wildner clear = !clear;
146a43287ccSSascha Wildner TEST(p, "dump", UF_NODUMP);
147a43287ccSSascha Wildner return (1);
148a43287ccSSascha Wildner case 'n':
149a43287ccSSascha Wildner /*
150a43287ccSSascha Wildner * Support `nonodump'. Note that
151a43287ccSSascha Wildner * the state of clear is not changed.
152a43287ccSSascha Wildner */
153a43287ccSSascha Wildner TEST(p, "nodump", UF_NODUMP);
154a43287ccSSascha Wildner return (1);
155a43287ccSSascha Wildner case 'o':
156a43287ccSSascha Wildner TEST(p, "opaque", UF_OPAQUE);
157a43287ccSSascha Wildner return (1);
158a43287ccSSascha Wildner case 's':
159a43287ccSSascha Wildner TEST(p, "sappnd", SF_APPEND);
160a43287ccSSascha Wildner TEST(p, "sappend", SF_APPEND);
161a43287ccSSascha Wildner TEST(p, "schg", SF_IMMUTABLE);
162a43287ccSSascha Wildner TEST(p, "schange", SF_IMMUTABLE);
163a43287ccSSascha Wildner TEST(p, "simmutable", SF_IMMUTABLE);
164a43287ccSSascha Wildner return (1);
165a43287ccSSascha Wildner case 'u':
166a43287ccSSascha Wildner TEST(p, "uappnd", UF_APPEND);
167a43287ccSSascha Wildner TEST(p, "uappend", UF_APPEND);
168a43287ccSSascha Wildner TEST(p, "uchg", UF_IMMUTABLE);
169a43287ccSSascha Wildner TEST(p, "uchange", UF_IMMUTABLE);
170a43287ccSSascha Wildner TEST(p, "uimmutable", UF_IMMUTABLE);
171a43287ccSSascha Wildner return (1);
172a43287ccSSascha Wildner default:
173a43287ccSSascha Wildner return (1);
174a43287ccSSascha Wildner }
175a43287ccSSascha Wildner }
176a43287ccSSascha Wildner #endif
177a43287ccSSascha Wildner
178a43287ccSSascha Wildner return (0);
179a43287ccSSascha Wildner }
180