contrib/libarchive-2/libarchive/archive_platform.h

   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: src/lib/libarchive/archive_platform.h,v 1.30 2008/05/26 17:00:22 kientzle Exp $
  26  */
  27
  28 /*
  29  * This header is the first thing included in any of the libarchive
  30  * source files.  As far as possible, platform-specific issues should
  31  * be dealt with here and not within individual source files.  I'm
  32  * actively trying to minimize #if blocks within the main source,
  33  * since they obfuscate the code.
  34  */
  35
  36 #ifndef ARCHIVE_PLATFORM_H_INCLUDED
  37 #define ARCHIVE_PLATFORM_H_INCLUDED
  38
  39 /* archive.h and archive_entry.h require this. */
  40 #define __LIBARCHIVE_BUILD 1
  41
  42 #ifdef _WIN32
  43 #include "config_windows.h"
  44 #include "archive_windows.h"
  45 #elif defined(PLATFORM_CONFIG_H)
  46 /* Use hand-built config.h in environments that need it. */
  47 #include PLATFORM_CONFIG_H
  48 #elif defined(HAVE_CONFIG_H)
  49 /* Most POSIX platforms use the 'configure' script to build config.h */
  50 #include "../config.h"
  51 #else
  52 /* Warn if the library hasn't been (automatically or manually) configured. */
  53 #error Oops: No config.h and no pre-built configuration in archive_platform.h.
  54 #endif
  55
  56 /*
  57  * The config files define a lot of feature macros.  The following
  58  * uses those macros to select/define replacements and include key
  59  * headers as required.
  60  */
  61
  62 /* No non-FreeBSD platform will have __FBSDID, so just define it here. */
  63 #ifdef __FreeBSD__
  64 #include <sys/cdefs.h>  /* For __FBSDID */
  65 #else
  66 /* Just leaving this macro replacement empty leads to a dangling semicolon. */
  67 #define __FBSDID(a)     struct _undefined_hack
  68 #endif
  69
  70 /* Try to get standard C99-style integer type definitions. */
  71 #if HAVE_INTTYPES_H
  72 #include <inttypes.h>
  73 #elif HAVE_STDINT_H
  74 #include <stdint.h>
  75 #endif
  76
  77 /* Some platforms lack the standard *_MAX definitions. */
  78 #if !HAVE_DECL_SIZE_MAX
  79 #define SIZE_MAX (~(size_t)0)
  80 #endif
  81 #if !HAVE_DECL_UINT32_MAX
  82 #define UINT32_MAX (~(uint32_t)0)
  83 #endif
  84 #if !HAVE_DECL_UINT64_MAX
  85 #define UINT64_MAX (~(uint64_t)0)
  86 #endif
  87 #if !HAVE_DECL_INT64_MAX
  88 #define INT64_MAX ((int64_t)(UINT64_MAX >> 1))
  89 #endif
  90 #if !HAVE_DECL_INT64_MIN
  91 #define INT64_MIN ((int64_t)(~INT64_MAX))
  92 #endif
  93
  94 /*
  95  * If this platform has <sys/acl.h>, acl_create(), acl_init(),
  96  * acl_set_file(), and ACL_USER, we assume it has the rest of the
  97  * POSIX.1e draft functions used in archive_read_extract.c.
  98  */
  99 #if HAVE_SYS_ACL_H && HAVE_ACL_CREATE_ENTRY && HAVE_ACL_INIT && HAVE_ACL_SET_FILE && HAVE_ACL_USER
 100 #define HAVE_POSIX_ACL  1
 101 #endif
 102
 103 /*
 104  * If we can't restore metadata using a file descriptor, then
 105  * for compatibility's sake, close files before trying to restore metadata.
 106  */
 107 #if defined(HAVE_FCHMOD) || defined(HAVE_FUTIMES) || defined(HAVE_ACL_SET_FD) || defined(HAVE_ACL_SET_FD_NP) || defined(HAVE_FCHOWN)
 108 #define CAN_RESTORE_METADATA_FD
 109 #endif
 110
 111 /* Set up defaults for internal error codes. */
 112 #ifndef ARCHIVE_ERRNO_FILE_FORMAT
 113 #if HAVE_EFTYPE
 114 #define ARCHIVE_ERRNO_FILE_FORMAT EFTYPE
 115 #else
 116 #if HAVE_EILSEQ
 117 #define ARCHIVE_ERRNO_FILE_FORMAT EILSEQ
 118 #else
 119 #define ARCHIVE_ERRNO_FILE_FORMAT EINVAL
 120 #endif
 121 #endif
 122 #endif
 123
 124 #ifndef ARCHIVE_ERRNO_PROGRAMMER
 125 #define ARCHIVE_ERRNO_PROGRAMMER EINVAL
 126 #endif
 127
 128 #ifndef ARCHIVE_ERRNO_MISC
 129 #define ARCHIVE_ERRNO_MISC (-1)
 130 #endif
 131
 132 #endif /* !ARCHIVE_PLATFORM_H_INCLUDED */