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