text: /*-
   * Copyright (c) 2003-2007 Tim Kientzle
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * $FreeBSD: head/lib/libarchive/archive_platform.h 201090 2009-12-28 02:22:04Z kientzle $
   */
  
  /* !!ONLY FOR USE INTERNALLY TO LIBARCHIVE!! */
  
  /*
   * This header is the first thing included in any of the libarchive
   * source files.  As far as possible, platform-specific issues should
   * be dealt with here and not within individual source files.  I'm
   * actively trying to minimize #if blocks within the main source,
   * since they obfuscate the code.
   */
  
  #ifndef ARCHIVE_PLATFORM_H_INCLUDED
  #define	ARCHIVE_PLATFORM_H_INCLUDED
  
  /* archive.h and archive_entry.h require this. */
  #define	__LIBARCHIVE_BUILD 1
  
  #if defined(PLATFORM_CONFIG_H)
  /* Use hand-built config.h in environments that need it. */
  #include PLATFORM_CONFIG_H
  #elif defined(HAVE_CONFIG_H)
  /* Most POSIX platforms use the 'configure' script to build config.h */
  #include "config.h"
  #else
  /* Warn if the library hasn't been (automatically or manually) configured. */
  #error Oops: No config.h and no pre-built configuration in archive_platform.h.
  #endif
  
  /* It should be possible to get rid of this by extending the feature-test
   * macros to cover Windows API functions, probably along with non-trivial
   * refactoring of code to find structures that sit more cleanly on top of
   * either Windows or Posix APIs. */
  #if (defined(__WIN32__) || defined(_WIN32) || defined(__WIN32)) && !defined(__CYGWIN__)
  #include "archive_windows.h"
  #endif
  
  /*
   * The config files define a lot of feature macros.  The following
   * uses those macros to select/define replacements and include key
   * headers as required.
   */
  
  /* Get a real definition for __FBSDID if we can */
  #if HAVE_SYS_CDEFS_H
  #include <sys/cdefs.h>
  #endif
  
  /* If not, define it so as to avoid dangling semicolons. */
  #ifndef __FBSDID
  #define	__FBSDID(a)     struct _undefined_hack
  #endif
  
  /* Old glibc mbsnrtowcs fails assertions in our use case.  */
  #if defined(__GLIBC__) && __GLIBC__ == 2 && __GLIBC_MINOR__ <= 1
  # undef HAVE_MBSNRTOWCS
  #endif
  
  /* Try to get standard C99-style integer type definitions. */
  #if HAVE_INTTYPES_H
  #include <inttypes.h>
  #endif
  #if HAVE_STDINT_H
  #include <stdint.h>
  #endif
  
  /* Borland warns about its own constants!  */
  #if defined(__BORLANDC__)
  # if HAVE_DECL_UINT64_MAX
  #  undef	UINT64_MAX
  #  undef	HAVE_DECL_UINT64_MAX
  # endif
  # if HAVE_DECL_UINT64_MIN
  #  undef	UINT64_MIN
  #  undef	HAVE_DECL_UINT64_MIN
  # endif
  # if HAVE_DECL_INT64_MAX
  #  undef	INT64_MAX
  #  undef	HAVE_DECL_INT64_MAX
  # endif
  # if HAVE_DECL_INT64_MIN
  #  undef	INT64_MIN
  #  undef	HAVE_DECL_INT64_MIN
  # endif
  #endif
  
  /* Some platforms lack the standard *_MAX definitions. */
  #if !HAVE_DECL_SIZE_MAX
  #define	SIZE_MAX (~(size_t)0)
  #endif
  #if !HAVE_DECL_SSIZE_MAX
  #define	SSIZE_MAX ((ssize_t)(SIZE_MAX >> 1))
  #endif
  #if !HAVE_DECL_UINT32_MAX
  #define	UINT32_MAX (~(uint32_t)0)
  #endif
  #if !HAVE_DECL_UINT64_MAX
  #define	UINT64_MAX (~(uint64_t)0)
  #endif
  #if !HAVE_DECL_INT64_MAX
  #define	INT64_MAX ((int64_t)(UINT64_MAX >> 1))
  #endif
  #if !HAVE_DECL_INT64_MIN
  #define	INT64_MIN ((int64_t)(~INT64_MAX))
  #endif
  
  /*
   * If this platform has <sys/acl.h>, acl_create(), acl_init(),
   * acl_set_file(), and ACL_USER, we assume it has the rest of the
   * POSIX.1e draft functions used in archive_read_extract.c.
   */
  #if HAVE_SYS_ACL_H && HAVE_ACL_CREATE_ENTRY && HAVE_ACL_INIT && HAVE_ACL_SET_FILE && HAVE_ACL_USER
  #define	HAVE_POSIX_ACL	1
  #endif
  
  /*
   * If we can't restore metadata using a file descriptor, then
   * for compatibility's sake, close files before trying to restore metadata.
   */
  #if defined(HAVE_FCHMOD) || defined(HAVE_FUTIMES) || defined(HAVE_ACL_SET_FD) || defined(HAVE_ACL_SET_FD_NP) || defined(HAVE_FCHOWN)
  #define	CAN_RESTORE_METADATA_FD
  #endif
  
  /* Set up defaults for internal error codes. */
  #ifndef ARCHIVE_ERRNO_FILE_FORMAT
  #if HAVE_EFTYPE
  #define	ARCHIVE_ERRNO_FILE_FORMAT EFTYPE
  #else
  #if HAVE_EILSEQ
  #define	ARCHIVE_ERRNO_FILE_FORMAT EILSEQ
  #else
  #define	ARCHIVE_ERRNO_FILE_FORMAT EINVAL
  #endif
  #endif
  #endif
  
  #ifndef ARCHIVE_ERRNO_PROGRAMMER
  #define	ARCHIVE_ERRNO_PROGRAMMER EINVAL
  #endif
  
  #ifndef ARCHIVE_ERRNO_MISC
  #define	ARCHIVE_ERRNO_MISC (-1)
  #endif
  
  #endif /* !ARCHIVE_PLATFORM_H_INCLUDED */
  