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 * $FreeBSD: head/lib/libarchive/archive_platform.h 201090 2009-12-28 02:22:04Z kientzle $ 26 */ 27 28 /* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */ 29 30 /* 31 * This header is the first thing included in any of the libarchive 32 * source files. As far as possible, platform-specific issues should 33 * be dealt with here and not within individual source files. I'm 34 * actively trying to minimize #if blocks within the main source, 35 * since they obfuscate the code. 36 */ 37 38 #ifndef ARCHIVE_PLATFORM_H_INCLUDED 39 #define ARCHIVE_PLATFORM_H_INCLUDED 40 41 /* archive.h and archive_entry.h require this. */ 42 #define __LIBARCHIVE_BUILD 1 43 44 #if defined(PLATFORM_CONFIG_H) 45 /* Use hand-built config.h in environments that need it. */ 46 #include PLATFORM_CONFIG_H 47 #elif defined(HAVE_CONFIG_H) 48 /* Most POSIX platforms use the 'configure' script to build config.h */ 49 #include "config.h" 50 #else 51 /* Warn if the library hasn't been (automatically or manually) configured. */ 52 #error Oops: No config.h and no pre-built configuration in archive_platform.h. 53 #endif 54 55 /* It should be possible to get rid of this by extending the feature-test 56 * macros to cover Windows API functions, probably along with non-trivial 57 * refactoring of code to find structures that sit more cleanly on top of 58 * either Windows or Posix APIs. */ 59 #if (defined(__WIN32__) || defined(_WIN32) || defined(__WIN32)) && !defined(__CYGWIN__) 60 #include "archive_windows.h" 61 #endif 62 63 /* 64 * The config files define a lot of feature macros. The following 65 * uses those macros to select/define replacements and include key 66 * headers as required. 67 */ 68 69 /* Get a real definition for __FBSDID or __RCSID if we can */ 70 #if HAVE_SYS_CDEFS_H 71 #include <sys/cdefs.h> 72 #endif 73 74 /* If not, define them so as to avoid dangling semicolons. */ 75 #ifndef __FBSDID 76 #define __FBSDID(a) struct _undefined_hack 77 #endif 78 #ifndef __RCSID 79 #define __RCSID(a) struct _undefined_hack 80 #endif 81 82 /* Try to get standard C99-style integer type definitions. */ 83 #if HAVE_INTTYPES_H 84 #include <inttypes.h> 85 #endif 86 #if HAVE_STDINT_H 87 #include <stdint.h> 88 #endif 89 90 /* Borland warns about its own constants! */ 91 #if defined(__BORLANDC__) 92 # if HAVE_DECL_UINT64_MAX 93 # undef UINT64_MAX 94 # undef HAVE_DECL_UINT64_MAX 95 # endif 96 # if HAVE_DECL_UINT64_MIN 97 # undef UINT64_MIN 98 # undef HAVE_DECL_UINT64_MIN 99 # endif 100 # if HAVE_DECL_INT64_MAX 101 # undef INT64_MAX 102 # undef HAVE_DECL_INT64_MAX 103 # endif 104 # if HAVE_DECL_INT64_MIN 105 # undef INT64_MIN 106 # undef HAVE_DECL_INT64_MIN 107 # endif 108 #endif 109 110 /* Some platforms lack the standard *_MAX definitions. */ 111 #if !HAVE_DECL_SIZE_MAX 112 #define SIZE_MAX (~(size_t)0) 113 #endif 114 #if !HAVE_DECL_SSIZE_MAX 115 #define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) 116 #endif 117 #if !HAVE_DECL_UINT32_MAX 118 #define UINT32_MAX (~(uint32_t)0) 119 #endif 120 #if !HAVE_DECL_INT32_MAX 121 #define INT32_MAX ((int32_t)(UINT32_MAX >> 1)) 122 #endif 123 #if !HAVE_DECL_INT32_MIN 124 #define INT32_MIN ((int32_t)(~INT32_MAX)) 125 #endif 126 #if !HAVE_DECL_UINT64_MAX 127 #define UINT64_MAX (~(uint64_t)0) 128 #endif 129 #if !HAVE_DECL_INT64_MAX 130 #define INT64_MAX ((int64_t)(UINT64_MAX >> 1)) 131 #endif 132 #if !HAVE_DECL_INT64_MIN 133 #define INT64_MIN ((int64_t)(~INT64_MAX)) 134 #endif 135 #if !HAVE_DECL_UINTMAX_MAX 136 #define UINTMAX_MAX (~(uintmax_t)0) 137 #endif 138 #if !HAVE_DECL_INTMAX_MAX 139 #define INTMAX_MAX ((intmax_t)(UINTMAX_MAX >> 1)) 140 #endif 141 #if !HAVE_DECL_INTMAX_MIN 142 #define INTMAX_MIN ((intmax_t)(~INTMAX_MAX)) 143 #endif 144 145 /* 146 * If this platform has <sys/acl.h>, acl_create(), acl_init(), 147 * acl_set_file(), and ACL_USER, we assume it has the rest of the 148 * POSIX.1e draft functions used in archive_read_extract.c. 149 */ 150 #if HAVE_SYS_ACL_H && HAVE_ACL_CREATE_ENTRY && HAVE_ACL_INIT && HAVE_ACL_SET_FILE && HAVE_ACL_USER 151 #define HAVE_POSIX_ACL 1 152 #endif 153 154 /* 155 * If we can't restore metadata using a file descriptor, then 156 * for compatibility's sake, close files before trying to restore metadata. 157 */ 158 #if defined(HAVE_FCHMOD) || defined(HAVE_FUTIMES) || defined(HAVE_ACL_SET_FD) || defined(HAVE_ACL_SET_FD_NP) || defined(HAVE_FCHOWN) 159 #define CAN_RESTORE_METADATA_FD 160 #endif 161 162 /* Set up defaults for internal error codes. */ 163 #ifndef ARCHIVE_ERRNO_FILE_FORMAT 164 #if HAVE_EFTYPE 165 #define ARCHIVE_ERRNO_FILE_FORMAT EFTYPE 166 #else 167 #if HAVE_EILSEQ 168 #define ARCHIVE_ERRNO_FILE_FORMAT EILSEQ 169 #else 170 #define ARCHIVE_ERRNO_FILE_FORMAT EINVAL 171 #endif 172 #endif 173 #endif 174 175 #ifndef ARCHIVE_ERRNO_PROGRAMMER 176 #define ARCHIVE_ERRNO_PROGRAMMER EINVAL 177 #endif 178 179 #ifndef ARCHIVE_ERRNO_MISC 180 #define ARCHIVE_ERRNO_MISC (-1) 181 #endif 182 183 #endif /* !ARCHIVE_PLATFORM_H_INCLUDED */ 184