archive_platform.h revision 306379
166458Sdfr/*- 266458Sdfr * Copyright (c) 2003-2007 Tim Kientzle 366458Sdfr * All rights reserved. 466458Sdfr * 566458Sdfr * Redistribution and use in source and binary forms, with or without 666458Sdfr * modification, are permitted provided that the following conditions 766458Sdfr * are met: 866458Sdfr * 1. Redistributions of source code must retain the above copyright 966458Sdfr * notice, this list of conditions and the following disclaimer. 1066458Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1166458Sdfr * notice, this list of conditions and the following disclaimer in the 1266458Sdfr * documentation and/or other materials provided with the distribution. 1366458Sdfr * 1466458Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 1566458Sdfr * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1666458Sdfr * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1766458Sdfr * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 1866458Sdfr * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 1966458Sdfr * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2066458Sdfr * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2166458Sdfr * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2266458Sdfr * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2366458Sdfr * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2466458Sdfr * 2566458Sdfr * $FreeBSD: releng/11.0/contrib/libarchive/libarchive/archive_platform.h 306379 2016-09-27 19:36:12Z emaste $ 2666458Sdfr */ 2766458Sdfr 2866458Sdfr/* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */ 29131840Sbrian 3071785Speter/* 3166458Sdfr * This header is the first thing included in any of the libarchive 3266458Sdfr * source files. As far as possible, platform-specific issues should 3366458Sdfr * be dealt with here and not within individual source files. I'm 3466458Sdfr * actively trying to minimize #if blocks within the main source, 3566458Sdfr * since they obfuscate the code. 3666458Sdfr */ 3766458Sdfr 3866458Sdfr#ifndef ARCHIVE_PLATFORM_H_INCLUDED 3966458Sdfr#define ARCHIVE_PLATFORM_H_INCLUDED 4066458Sdfr 4166458Sdfr/* archive.h and archive_entry.h require this. */ 4266458Sdfr#define __LIBARCHIVE_BUILD 1 4366458Sdfr 4466458Sdfr#if defined(PLATFORM_CONFIG_H) 4566458Sdfr/* Use hand-built config.h in environments that need it. */ 4666458Sdfr#include PLATFORM_CONFIG_H 4766458Sdfr#elif defined(HAVE_CONFIG_H) 4866458Sdfr/* Most POSIX platforms use the 'configure' script to build config.h */ 4966458Sdfr#include "config.h" 5066458Sdfr#else 5166458Sdfr/* Warn if the library hasn't been (automatically or manually) configured. */ 52143796Siedowse#error Oops: No config.h and no pre-built configuration in archive_platform.h. 5392843Salfred#endif 54143796Siedowse 5566458Sdfr/* It should be possible to get rid of this by extending the feature-test 56143796Siedowse * macros to cover Windows API functions, probably along with non-trivial 57143796Siedowse * refactoring of code to find structures that sit more cleanly on top of 58143796Siedowse * either Windows or Posix APIs. */ 59143796Siedowse#if (defined(__WIN32__) || defined(_WIN32) || defined(__WIN32)) && !defined(__CYGWIN__) 60143796Siedowse#include "archive_windows.h" 61143796Siedowse#endif 62131840Sbrian 6393997Smarcel/* 64131840Sbrian * The config files define a lot of feature macros. The following 6593997Smarcel * uses those macros to select/define replacements and include key 6671785Speter * headers as required. 6766458Sdfr */ 6866458Sdfr 6966458Sdfr/* Get a real definition for __FBSDID or __RCSID if we can */ 7066458Sdfr#if HAVE_SYS_CDEFS_H 7166458Sdfr#include <sys/cdefs.h> 7266458Sdfr#endif 7366458Sdfr 7466458Sdfr/* If not, define them so as to avoid dangling semicolons. */ 75143796Siedowse#ifndef __FBSDID 76143796Siedowse#define __FBSDID(a) struct _undefined_hack 77143796Siedowse#endif 78143796Siedowse#ifndef __RCSID 79143796Siedowse#define __RCSID(a) struct _undefined_hack 8066458Sdfr#endif 8166458Sdfr 82146791Smarcel/* Try to get standard C99-style integer type definitions. */ 8366458Sdfr#if HAVE_INTTYPES_H 8466458Sdfr#include <inttypes.h> 8566458Sdfr#endif 8666458Sdfr#if HAVE_STDINT_H 8766458Sdfr#include <stdint.h> 8866458Sdfr#endif 8966458Sdfr 9071785Speter/* Borland warns about its own constants! */ 9166458Sdfr#if defined(__BORLANDC__) 9266458Sdfr# if HAVE_DECL_UINT64_MAX 9366458Sdfr# undef UINT64_MAX 94143796Siedowse# undef HAVE_DECL_UINT64_MAX 9566458Sdfr# endif 96143796Siedowse# if HAVE_DECL_UINT64_MIN 97143796Siedowse# undef UINT64_MIN 98143796Siedowse# undef HAVE_DECL_UINT64_MIN 99143796Siedowse# endif 10066458Sdfr# if HAVE_DECL_INT64_MAX 10166458Sdfr# undef INT64_MAX 10266458Sdfr# undef HAVE_DECL_INT64_MAX 10366458Sdfr# endif 10467032Sdfr# if HAVE_DECL_INT64_MIN 10566458Sdfr# undef INT64_MIN 106146791Smarcel# undef HAVE_DECL_INT64_MIN 10766458Sdfr# endif 10866458Sdfr#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/* 163 * glibc 2.24 deprecates readdir_r 164 */ 165#if defined(HAVE_READDIR_R) && (!defined(__GLIBC__) || !defined(__GLIBC_MINOR__) || __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 24)) 166#define USE_READDIR_R 1 167#else 168#undef USE_READDIR_R 169#endif 170 171/* Set up defaults for internal error codes. */ 172#ifndef ARCHIVE_ERRNO_FILE_FORMAT 173#if HAVE_EFTYPE 174#define ARCHIVE_ERRNO_FILE_FORMAT EFTYPE 175#else 176#if HAVE_EILSEQ 177#define ARCHIVE_ERRNO_FILE_FORMAT EILSEQ 178#else 179#define ARCHIVE_ERRNO_FILE_FORMAT EINVAL 180#endif 181#endif 182#endif 183 184#ifndef ARCHIVE_ERRNO_PROGRAMMER 185#define ARCHIVE_ERRNO_PROGRAMMER EINVAL 186#endif 187 188#ifndef ARCHIVE_ERRNO_MISC 189#define ARCHIVE_ERRNO_MISC (-1) 190#endif 191 192#endif /* !ARCHIVE_PLATFORM_H_INCLUDED */ 193