2 * Copyright (c) 2003-2007 Tim Kientzle
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
25 * $FreeBSD: head/lib/libarchive/archive_platform.h 201090 2009-12-28 02:22:04Z kientzle $
28 /* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */
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.
38 #ifndef ARCHIVE_PLATFORM_H_INCLUDED
39 #define ARCHIVE_PLATFORM_H_INCLUDED
41 /* archive.h and archive_entry.h require this. */
42 #define __LIBARCHIVE_BUILD 1
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 */
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.
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"
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.
69 /* Get a real definition for __FBSDID if we can */
71 #include <sys/cdefs.h>
74 /* If not, define it so as to avoid dangling semicolons. */
76 #define __FBSDID(a) struct _undefined_hack
79 /* Try to get standard C99-style integer type definitions. */
87 /* Borland warns about its own constants! */
88 #if defined(__BORLANDC__)
89 # if HAVE_DECL_UINT64_MAX
91 # undef HAVE_DECL_UINT64_MAX
93 # if HAVE_DECL_UINT64_MIN
95 # undef HAVE_DECL_UINT64_MIN
97 # if HAVE_DECL_INT64_MAX
99 # undef HAVE_DECL_INT64_MAX
101 # if HAVE_DECL_INT64_MIN
103 # undef HAVE_DECL_INT64_MIN
107 /* Some platforms lack the standard *_MAX definitions. */
108 #if !HAVE_DECL_SIZE_MAX
109 #define SIZE_MAX (~(size_t)0)
111 #if !HAVE_DECL_SSIZE_MAX
112 #define SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1))
114 #if !HAVE_DECL_UINT32_MAX
115 #define UINT32_MAX (~(uint32_t)0)
117 #if !HAVE_DECL_UINT64_MAX
118 #define UINT64_MAX (~(uint64_t)0)
120 #if !HAVE_DECL_INT64_MAX
121 #define INT64_MAX ((int64_t)(UINT64_MAX >> 1))
123 #if !HAVE_DECL_INT64_MIN
124 #define INT64_MIN ((int64_t)(~INT64_MAX))
128 * If this platform has <sys/acl.h>, acl_create(), acl_init(),
129 * acl_set_file(), and ACL_USER, we assume it has the rest of the
130 * POSIX.1e draft functions used in archive_read_extract.c.
132 #if HAVE_SYS_ACL_H && HAVE_ACL_CREATE_ENTRY && HAVE_ACL_INIT && HAVE_ACL_SET_FILE && HAVE_ACL_USER
133 #define HAVE_POSIX_ACL 1
137 * If we can't restore metadata using a file descriptor, then
138 * for compatibility's sake, close files before trying to restore metadata.
140 #if defined(HAVE_FCHMOD) || defined(HAVE_FUTIMES) || defined(HAVE_ACL_SET_FD) || defined(HAVE_ACL_SET_FD_NP) || defined(HAVE_FCHOWN)
141 #define CAN_RESTORE_METADATA_FD
144 /* Set up defaults for internal error codes. */
145 #ifndef ARCHIVE_ERRNO_FILE_FORMAT
147 #define ARCHIVE_ERRNO_FILE_FORMAT EFTYPE
150 #define ARCHIVE_ERRNO_FILE_FORMAT EILSEQ
152 #define ARCHIVE_ERRNO_FILE_FORMAT EINVAL
157 #ifndef ARCHIVE_ERRNO_PROGRAMMER
158 #define ARCHIVE_ERRNO_PROGRAMMER EINVAL
161 #ifndef ARCHIVE_ERRNO_MISC
162 #define ARCHIVE_ERRNO_MISC (-1)
165 #endif /* !ARCHIVE_PLATFORM_H_INCLUDED */