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: head/lib/libarchive/archive_virtual.c 201098 2009-12-28 02:58:14Z kientzle $"); 28 29 #include "archive.h" 30 #include "archive_entry.h" 31 #include "archive_private.h" 32 33 int 34 archive_filter_code(struct archive *a, int n) 35 { 36 return ((a->vtable->archive_filter_code)(a, n)); 37 } 38 39 int 40 archive_filter_count(struct archive *a) 41 { 42 return ((a->vtable->archive_filter_count)(a)); 43 } 44 45 const char * 46 archive_filter_name(struct archive *a, int n) 47 { 48 return ((a->vtable->archive_filter_name)(a, n)); 49 } 50 51 int64_t 52 archive_filter_bytes(struct archive *a, int n) 53 { 54 return ((a->vtable->archive_filter_bytes)(a, n)); 55 } 56 57 int 58 archive_free(struct archive *a) 59 { 60 if (a == NULL) 61 return (ARCHIVE_OK); 62 return ((a->vtable->archive_free)(a)); 63 } 64 65 int 66 archive_write_close(struct archive *a) 67 { 68 return ((a->vtable->archive_close)(a)); 69 } 70 71 int 72 archive_read_close(struct archive *a) 73 { 74 return ((a->vtable->archive_close)(a)); 75 } 76 77 int 78 archive_write_fail(struct archive *a) 79 { 80 a->state = ARCHIVE_STATE_FATAL; 81 return a->state; 82 } 83 84 int 85 archive_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. */ 92 int 93 archive_write_finish(struct archive *a) 94 { 95 return archive_write_free(a); 96 } 97 #endif 98 99 int 100 archive_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. */ 107 int 108 archive_read_finish(struct archive *a) 109 { 110 return archive_read_free(a); 111 } 112 #endif 113 114 int 115 archive_write_header(struct archive *a, struct archive_entry *entry) 116 { 117 ++a->file_count; 118 return ((a->vtable->archive_write_header)(a, entry)); 119 } 120 121 int 122 archive_write_finish_entry(struct archive *a) 123 { 124 return ((a->vtable->archive_write_finish_entry)(a)); 125 } 126 127 ssize_t 128 archive_write_data(struct archive *a, const void *buff, size_t s) 129 { 130 return ((a->vtable->archive_write_data)(a, buff, s)); 131 } 132 133 ssize_t 134 archive_write_data_block(struct archive *a, const void *buff, size_t s, int64_t o) 135 { 136 if (a->vtable->archive_write_data_block == NULL) { 137 archive_set_error(a, ARCHIVE_ERRNO_MISC, 138 "archive_write_data_block not supported"); 139 a->state = ARCHIVE_STATE_FATAL; 140 return (ARCHIVE_FATAL); 141 } 142 return ((a->vtable->archive_write_data_block)(a, buff, s, o)); 143 } 144 145 int 146 archive_read_next_header(struct archive *a, struct archive_entry **entry) 147 { 148 return ((a->vtable->archive_read_next_header)(a, entry)); 149 } 150 151 int 152 archive_read_next_header2(struct archive *a, struct archive_entry *entry) 153 { 154 return ((a->vtable->archive_read_next_header2)(a, entry)); 155 } 156 157 int 158 archive_read_data_block(struct archive *a, 159 const void **buff, size_t *s, int64_t *o) 160 { 161 return ((a->vtable->archive_read_data_block)(a, buff, s, o)); 162 } 163