archive_virtual.c revision 337351 
1/*-
2 * Copyright (c) 2003-2007 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__FBSDID("$FreeBSD: stable/11/contrib/libarchive/libarchive/archive_virtual.c 337351 2018-08-05 14:35:30Z mm $");
28
29#include "archive.h"
30#include "archive_entry.h"
31#include "archive_private.h"
32
33int
34archive_filter_code(struct archive *a, int n)
35{
36	return ((a->vtable->archive_filter_code)(a, n));
37}
38
39int
40archive_filter_count(struct archive *a)
41{
42	return ((a->vtable->archive_filter_count)(a));
43}
44
45const char *
46archive_filter_name(struct archive *a, int n)
47{
48	return ((a->vtable->archive_filter_name)(a, n));
49}
50
51la_int64_t
52archive_filter_bytes(struct archive *a, int n)
53{
54	return ((a->vtable->archive_filter_bytes)(a, n));
55}
56
57int
58archive_free(struct archive *a)
59{
60	if (a == NULL)
61		return (ARCHIVE_OK);
62	return ((a->vtable->archive_free)(a));
63}
64
65int
66archive_write_close(struct archive *a)
67{
68	return ((a->vtable->archive_close)(a));
69}
70
71int
72archive_read_close(struct archive *a)
73{
74	return ((a->vtable->archive_close)(a));
75}
76
77int
78archive_write_fail(struct archive *a)
79{
80	a->state = ARCHIVE_STATE_FATAL;
81	return a->state;
82}
83
84int
85archive_write_free(struct archive *a)
86{
87	return archive_free(a);
88}
89
90#if ARCHIVE_VERSION_NUMBER < 4000000
91/* For backwards compatibility; will be removed with libarchive 4.0. */
92int
93archive_write_finish(struct archive *a)
94{
95	return archive_write_free(a);
96}
97#endif
98
99int
100archive_read_free(struct archive *a)
101{
102	return archive_free(a);
103}
104
105#if ARCHIVE_VERSION_NUMBER < 4000000
106/* For backwards compatibility; will be removed with libarchive 4.0. */
107int
108archive_read_finish(struct archive *a)
109{
110	return archive_read_free(a);
111}
112#endif
113
114int
115archive_write_header(struct archive *a, struct archive_entry *entry)
116{
117	++a->file_count;
118	return ((a->vtable->archive_write_header)(a, entry));
119}
120
121int
122archive_write_finish_entry(struct archive *a)
123{
124	return ((a->vtable->archive_write_finish_entry)(a));
125}
126
127la_ssize_t
128archive_write_data(struct archive *a, const void *buff, size_t s)
129{
130	return ((a->vtable->archive_write_data)(a, buff, s));
131}
132
133la_ssize_t
134archive_write_data_block(struct archive *a, const void *buff, size_t s,
135    la_int64_t o)
136{
137	if (a->vtable->archive_write_data_block == NULL) {
138		archive_set_error(a, ARCHIVE_ERRNO_MISC,
139		    "archive_write_data_block not supported");
140		a->state = ARCHIVE_STATE_FATAL;
141		return (ARCHIVE_FATAL);
142	}
143	return ((a->vtable->archive_write_data_block)(a, buff, s, o));
144}
145
146int
147archive_read_next_header(struct archive *a, struct archive_entry **entry)
148{
149	return ((a->vtable->archive_read_next_header)(a, entry));
150}
151
152int
153archive_read_next_header2(struct archive *a, struct archive_entry *entry)
154{
155	return ((a->vtable->archive_read_next_header2)(a, entry));
156}
157
158int
159archive_read_data_block(struct archive *a,
160    const void **buff, size_t *s, la_int64_t *o)
161{
162	return ((a->vtable->archive_read_data_block)(a, buff, s, o));
163}
164