1228753Smm/*- 2228753Smm * Copyright (c) 2003-2007 Tim Kientzle 3228753Smm * All rights reserved. 4228753Smm * 5228753Smm * Redistribution and use in source and binary forms, with or without 6228753Smm * modification, are permitted provided that the following conditions 7228753Smm * are met: 8228753Smm * 1. Redistributions of source code must retain the above copyright 9228753Smm * notice, this list of conditions and the following disclaimer. 10228753Smm * 2. Redistributions in binary form must reproduce the above copyright 11228753Smm * notice, this list of conditions and the following disclaimer in the 12228753Smm * documentation and/or other materials provided with the distribution. 13228753Smm * 14228753Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15228753Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16228753Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17228753Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18228753Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19228753Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20228753Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21228753Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22228753Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23228753Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24228753Smm * 25228763Smm * $FreeBSD: stable/11/contrib/libarchive/libarchive/archive_platform.h 348607 2019-06-04 10:35:54Z mm $ 26228753Smm */ 27228753Smm 28228753Smm/* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */ 29228753Smm 30228753Smm/* 31228753Smm * This header is the first thing included in any of the libarchive 32228753Smm * source files. As far as possible, platform-specific issues should 33228753Smm * be dealt with here and not within individual source files. I'm 34228753Smm * actively trying to minimize #if blocks within the main source, 35228753Smm * since they obfuscate the code. 36228753Smm */ 37228753Smm 38228753Smm#ifndef ARCHIVE_PLATFORM_H_INCLUDED 39228753Smm#define ARCHIVE_PLATFORM_H_INCLUDED 40228753Smm 41228753Smm/* archive.h and archive_entry.h require this. */ 42228753Smm#define __LIBARCHIVE_BUILD 1 43228753Smm 44228753Smm#if defined(PLATFORM_CONFIG_H) 45228753Smm/* Use hand-built config.h in environments that need it. */ 46228753Smm#include PLATFORM_CONFIG_H 47228753Smm#elif defined(HAVE_CONFIG_H) 48228753Smm/* Most POSIX platforms use the 'configure' script to build config.h */ 49228753Smm#include "config.h" 50228753Smm#else 51228753Smm/* Warn if the library hasn't been (automatically or manually) configured. */ 52228753Smm#error Oops: No config.h and no pre-built configuration in archive_platform.h. 53228753Smm#endif 54228753Smm 55324417Smm/* On macOS check for some symbols based on the deployment target version. */ 56324417Smm#if defined(__APPLE__) 57324417Smm# undef HAVE_FUTIMENS 58324417Smm# undef HAVE_UTIMENSAT 59324417Smm# include <AvailabilityMacros.h> 60324417Smm# if MAC_OS_X_VERSION_MIN_REQUIRED >= 101300 61324417Smm# define HAVE_FUTIMENS 1 62324417Smm# define HAVE_UTIMENSAT 1 63324417Smm# endif 64324417Smm#endif 65324417Smm 66228753Smm/* It should be possible to get rid of this by extending the feature-test 67228753Smm * macros to cover Windows API functions, probably along with non-trivial 68228753Smm * refactoring of code to find structures that sit more cleanly on top of 69228753Smm * either Windows or Posix APIs. */ 70228753Smm#if (defined(__WIN32__) || defined(_WIN32) || defined(__WIN32)) && !defined(__CYGWIN__) 71228753Smm#include "archive_windows.h" 72348607Smm#else 73348607Smm#define la_stat(path,stref) stat(path,stref) 74228753Smm#endif 75228753Smm 76228753Smm/* 77228753Smm * The config files define a lot of feature macros. The following 78228753Smm * uses those macros to select/define replacements and include key 79228753Smm * headers as required. 80228753Smm */ 81228753Smm 82299529Smm/* Get a real definition for __FBSDID or __RCSID if we can */ 83228753Smm#if HAVE_SYS_CDEFS_H 84228753Smm#include <sys/cdefs.h> 85228753Smm#endif 86228753Smm 87299529Smm/* If not, define them so as to avoid dangling semicolons. */ 88228753Smm#ifndef __FBSDID 89228753Smm#define __FBSDID(a) struct _undefined_hack 90228753Smm#endif 91299529Smm#ifndef __RCSID 92299529Smm#define __RCSID(a) struct _undefined_hack 93299529Smm#endif 94228753Smm 95228753Smm/* Try to get standard C99-style integer type definitions. */ 96228753Smm#if HAVE_INTTYPES_H 97228753Smm#include <inttypes.h> 98228753Smm#endif 99228753Smm#if HAVE_STDINT_H 100228753Smm#include <stdint.h> 101228753Smm#endif 102228753Smm 103228753Smm/* Borland warns about its own constants! */ 104228753Smm#if defined(__BORLANDC__) 105228753Smm# if HAVE_DECL_UINT64_MAX 106228753Smm# undef UINT64_MAX 107228753Smm# undef HAVE_DECL_UINT64_MAX 108228753Smm# endif 109228753Smm# if HAVE_DECL_UINT64_MIN 110228753Smm# undef UINT64_MIN 111228753Smm# undef HAVE_DECL_UINT64_MIN 112228753Smm# endif 113228753Smm# if HAVE_DECL_INT64_MAX 114228753Smm# undef INT64_MAX 115228753Smm# undef HAVE_DECL_INT64_MAX 116228753Smm# endif 117228753Smm# if HAVE_DECL_INT64_MIN 118228753Smm# undef INT64_MIN 119228753Smm# undef HAVE_DECL_INT64_MIN 120228753Smm# endif 121228753Smm#endif 122228753Smm 123228753Smm/* Some platforms lack the standard *_MAX definitions. */ 124228753Smm#if !HAVE_DECL_SIZE_MAX 125228753Smm#define SIZE_MAX (~(size_t)0) 126228753Smm#endif 127228753Smm#if !HAVE_DECL_SSIZE_MAX 128228753Smm#define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1)) 129228753Smm#endif 130228753Smm#if !HAVE_DECL_UINT32_MAX 131228753Smm#define UINT32_MAX (~(uint32_t)0) 132228753Smm#endif 133299529Smm#if !HAVE_DECL_INT32_MAX 134299529Smm#define INT32_MAX ((int32_t)(UINT32_MAX >> 1)) 135299529Smm#endif 136299529Smm#if !HAVE_DECL_INT32_MIN 137299529Smm#define INT32_MIN ((int32_t)(~INT32_MAX)) 138299529Smm#endif 139228753Smm#if !HAVE_DECL_UINT64_MAX 140228753Smm#define UINT64_MAX (~(uint64_t)0) 141228753Smm#endif 142228753Smm#if !HAVE_DECL_INT64_MAX 143228753Smm#define INT64_MAX ((int64_t)(UINT64_MAX >> 1)) 144228753Smm#endif 145228753Smm#if !HAVE_DECL_INT64_MIN 146228753Smm#define INT64_MIN ((int64_t)(~INT64_MAX)) 147228753Smm#endif 148299529Smm#if !HAVE_DECL_UINTMAX_MAX 149299529Smm#define UINTMAX_MAX (~(uintmax_t)0) 150299529Smm#endif 151299529Smm#if !HAVE_DECL_INTMAX_MAX 152299529Smm#define INTMAX_MAX ((intmax_t)(UINTMAX_MAX >> 1)) 153299529Smm#endif 154299529Smm#if !HAVE_DECL_INTMAX_MIN 155299529Smm#define INTMAX_MIN ((intmax_t)(~INTMAX_MAX)) 156299529Smm#endif 157228753Smm 158228753Smm/* 159228753Smm * If we can't restore metadata using a file descriptor, then 160228753Smm * for compatibility's sake, close files before trying to restore metadata. 161228753Smm */ 162228753Smm#if defined(HAVE_FCHMOD) || defined(HAVE_FUTIMES) || defined(HAVE_ACL_SET_FD) || defined(HAVE_ACL_SET_FD_NP) || defined(HAVE_FCHOWN) 163228753Smm#define CAN_RESTORE_METADATA_FD 164228753Smm#endif 165228753Smm 166306321Smm/* 167306321Smm * glibc 2.24 deprecates readdir_r 168306321Smm */ 169306321Smm#if defined(HAVE_READDIR_R) && (!defined(__GLIBC__) || !defined(__GLIBC_MINOR__) || __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 24)) 170306321Smm#define USE_READDIR_R 1 171306321Smm#else 172306321Smm#undef USE_READDIR_R 173306321Smm#endif 174306321Smm 175228753Smm/* Set up defaults for internal error codes. */ 176228753Smm#ifndef ARCHIVE_ERRNO_FILE_FORMAT 177228753Smm#if HAVE_EFTYPE 178228753Smm#define ARCHIVE_ERRNO_FILE_FORMAT EFTYPE 179228753Smm#else 180228753Smm#if HAVE_EILSEQ 181228753Smm#define ARCHIVE_ERRNO_FILE_FORMAT EILSEQ 182228753Smm#else 183228753Smm#define ARCHIVE_ERRNO_FILE_FORMAT EINVAL 184228753Smm#endif 185228753Smm#endif 186228753Smm#endif 187228753Smm 188228753Smm#ifndef ARCHIVE_ERRNO_PROGRAMMER 189228753Smm#define ARCHIVE_ERRNO_PROGRAMMER EINVAL 190228753Smm#endif 191228753Smm 192228753Smm#ifndef ARCHIVE_ERRNO_MISC 193228753Smm#define ARCHIVE_ERRNO_MISC (-1) 194228753Smm#endif 195228753Smm 196328827Smm#if defined(__GNUC__) && (__GNUC__ >= 7) 197328827Smm#define __LA_FALLTHROUGH __attribute__((fallthrough)) 198328827Smm#else 199328827Smm#define __LA_FALLTHROUGH 200328827Smm#endif 201328827Smm 202228753Smm#endif /* !ARCHIVE_PLATFORM_H_INCLUDED */ 203