xref: /freebsd/contrib/libarchive/libarchive/archive_write_set_options.c (revision b9128a37faafede823eb456aa65a11ac69997284)
1 /*-
2  * Copyright (c) 2003-2010 Tim Kientzle
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  */
25 
26 #include "archive_platform.h"
27 
28 #include "archive_write_private.h"
29 #include "archive_options_private.h"
30 
31 static int	archive_set_format_option(struct archive *a,
32 		    const char *m, const char *o, const char *v);
33 static int	archive_set_filter_option(struct archive *a,
34 		    const char *m, const char *o, const char *v);
35 static int	archive_set_option(struct archive *a,
36 		    const char *m, const char *o, const char *v);
37 
38 int
39 archive_write_set_format_option(struct archive *a, const char *m, const char *o,
40     const char *v)
41 {
42 	return _archive_set_option(a, m, o, v,
43 	    ARCHIVE_WRITE_MAGIC, "archive_write_set_format_option",
44 	    archive_set_format_option);
45 }
46 
47 int
48 archive_write_set_filter_option(struct archive *a, const char *m, const char *o,
49     const char *v)
50 {
51 	return _archive_set_option(a, m, o, v,
52 	    ARCHIVE_WRITE_MAGIC, "archive_write_set_filter_option",
53 	    archive_set_filter_option);
54 }
55 
56 int
57 archive_write_set_option(struct archive *a, const char *m, const char *o,
58     const char *v)
59 {
60 	return _archive_set_option(a, m, o, v,
61 	    ARCHIVE_WRITE_MAGIC, "archive_write_set_option",
62 	    archive_set_option);
63 }
64 
65 int
66 archive_write_set_options(struct archive *a, const char *options)
67 {
68 	return _archive_set_options(a, options,
69 	    ARCHIVE_WRITE_MAGIC, "archive_write_set_options",
70 	    archive_set_option);
71 }
72 
73 static int
74 archive_set_format_option(struct archive *_a, const char *m, const char *o,
75     const char *v)
76 {
77 	struct archive_write *a = (struct archive_write *)_a;
78 
79 	if (a->format_name == NULL)
80 		return (m == NULL)?ARCHIVE_FAILED:ARCHIVE_WARN - 1;
81 	/* If the format name didn't match, return a special code for
82 	 * _archive_set_option[s]. */
83 	if (m != NULL && strcmp(m, a->format_name) != 0)
84 		return (ARCHIVE_WARN - 1);
85 	if (a->format_options == NULL)
86 		return (ARCHIVE_WARN);
87 	return a->format_options(a, o, v);
88 }
89 
90 static int
91 archive_set_filter_option(struct archive *_a, const char *m, const char *o,
92     const char *v)
93 {
94 	struct archive_write *a = (struct archive_write *)_a;
95 	struct archive_write_filter *filter;
96 	int r, rv = ARCHIVE_WARN;
97 
98 	for (filter = a->filter_first; filter != NULL; filter = filter->next_filter) {
99 		if (filter->options == NULL)
100 			continue;
101 		if (m != NULL && strcmp(filter->name, m) != 0)
102 			continue;
103 
104 		r = filter->options(filter, o, v);
105 
106 		if (r == ARCHIVE_FATAL)
107 			return (ARCHIVE_FATAL);
108 
109 		if (m != NULL)
110 			return (r);
111 
112 		if (r == ARCHIVE_OK)
113 			rv = ARCHIVE_OK;
114 	}
115 	/* If the filter name didn't match, return a special code for
116 	 * _archive_set_option[s]. */
117 	if (rv == ARCHIVE_WARN && m != NULL)
118 		rv = ARCHIVE_WARN - 1;
119 	return (rv);
120 }
121 
122 static int
123 archive_set_option(struct archive *a, const char *m, const char *o,
124     const char *v)
125 {
126 	return _archive_set_either_option(a, m, o, v,
127 	    archive_set_format_option,
128 	    archive_set_filter_option);
129 }
130