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.
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.
36 #ifndef ARCHIVE_PLATFORM_H_INCLUDED
37 #define ARCHIVE_PLATFORM_H_INCLUDED
39 /* archive.h and archive_entry.h require this. */
40 #define __LIBARCHIVE_BUILD 1
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"
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.
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.
62 /* No non-FreeBSD platform will have __FBSDID, so just define it here. */
64 #include <sys/cdefs.h> /* For __FBSDID */
66 /* Just leaving this macro replacement empty leads to a dangling semicolon. */
67 #define __FBSDID(a) struct _undefined_hack
70 /* Try to get standard C99-style integer type definitions. */
77 /* Some platforms lack the standard *_MAX definitions. */
78 #if !HAVE_DECL_SIZE_MAX
79 #define SIZE_MAX (~(size_t)0)
81 #if !HAVE_DECL_UINT32_MAX
82 #define UINT32_MAX (~(uint32_t)0)
84 #if !HAVE_DECL_UINT64_MAX
85 #define UINT64_MAX (~(uint64_t)0)
87 #if !HAVE_DECL_INT64_MAX
88 #define INT64_MAX ((int64_t)(UINT64_MAX >> 1))
90 #if !HAVE_DECL_INT64_MIN
91 #define INT64_MIN ((int64_t)(~INT64_MAX))
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.
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
104 * If we can't restore metadata using a file descriptor, then
105 * for compatibility's sake, close files before trying to restore metadata.
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
111 /* Set up defaults for internal error codes. */
112 #ifndef ARCHIVE_ERRNO_FILE_FORMAT
114 #define ARCHIVE_ERRNO_FILE_FORMAT EFTYPE
117 #define ARCHIVE_ERRNO_FILE_FORMAT EILSEQ
119 #define ARCHIVE_ERRNO_FILE_FORMAT EINVAL
124 #ifndef ARCHIVE_ERRNO_PROGRAMMER
125 #define ARCHIVE_ERRNO_PROGRAMMER EINVAL
128 #ifndef ARCHIVE_ERRNO_MISC
129 #define ARCHIVE_ERRNO_MISC (-1)
132 #endif /* !ARCHIVE_PLATFORM_H_INCLUDED */