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_write_close(struct archive *a) 59 { 60 return ((a->vtable->archive_close)(a)); 61 } 62 63 int 64 archive_read_close(struct archive *a) 65 { 66 return ((a->vtable->archive_close)(a)); 67 } 68 69 int 70 archive_write_fail(struct archive *a) 71 { 72 a->state = ARCHIVE_STATE_FATAL; 73 return a->state; 74 } 75 76 int 77 archive_write_free(struct archive *a) 78 { 79 if (a == NULL) 80 return (ARCHIVE_OK); 81 return ((a->vtable->archive_free)(a)); 82 } 83 84 #if ARCHIVE_VERSION_NUMBER < 4000000 85 /* For backwards compatibility; will be removed with libarchive 4.0. */ 86 int 87 archive_write_finish(struct archive *a) 88 { 89 return archive_write_free(a); 90 } 91 #endif 92 93 int 94 archive_read_free(struct archive *a) 95 { 96 if (a == NULL) 97 return (ARCHIVE_OK); 98 return ((a->vtable->archive_free)(a)); 99 } 100 101 #if ARCHIVE_VERSION_NUMBER < 4000000 102 /* For backwards compatibility; will be removed with libarchive 4.0. */ 103 int 104 archive_read_finish(struct archive *a) 105 { 106 return archive_read_free(a); 107 } 108 #endif 109 110 int 111 archive_write_header(struct archive *a, struct archive_entry *entry) 112 { 113 ++a->file_count; 114 return ((a->vtable->archive_write_header)(a, entry)); 115 } 116 117 int 118 archive_write_finish_entry(struct archive *a) 119 { 120 return ((a->vtable->archive_write_finish_entry)(a)); 121 } 122 123 ssize_t 124 archive_write_data(struct archive *a, const void *buff, size_t s) 125 { 126 return ((a->vtable->archive_write_data)(a, buff, s)); 127 } 128 129 ssize_t 130 archive_write_data_block(struct archive *a, const void *buff, size_t s, int64_t o) 131 { 132 if (a->vtable->archive_write_data_block == NULL) { 133 archive_set_error(a, ARCHIVE_ERRNO_MISC, 134 "archive_write_data_block not supported"); 135 a->state = ARCHIVE_STATE_FATAL; 136 return (ARCHIVE_FATAL); 137 } 138 return ((a->vtable->archive_write_data_block)(a, buff, s, o)); 139 } 140 141 int 142 archive_read_next_header(struct archive *a, struct archive_entry **entry) 143 { 144 return ((a->vtable->archive_read_next_header)(a, entry)); 145 } 146 147 int 148 archive_read_next_header2(struct archive *a, struct archive_entry *entry) 149 { 150 return ((a->vtable->archive_read_next_header2)(a, entry)); 151 } 152 153 int 154 archive_read_data_block(struct archive *a, 155 const void **buff, size_t *s, int64_t *o) 156 { 157 return ((a->vtable->archive_read_data_block)(a, buff, s, o)); 158 } 159