freebsd-skq/usr.bin/cpio/cpio_platform.h
2008-12-06 07:15:42 +00:00

93 lines
3.2 KiB
C

/*-
* 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.
*
* $FreeBSD$
*/
/*
* This header is the first thing included in any of the cpio
* source files. As far as possible, platform-specific issues should
* be dealt with here and not within individual source files.
*/
#ifndef CPIO_PLATFORM_H_INCLUDED
#define CPIO_PLATFORM_H_INCLUDED
#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 cpio hasn't been (automatically or manually) configured. */
#error Oops: No config.h and no built-in configuration in cpio_platform.h.
#endif /* !HAVE_CONFIG_H */
/* No non-FreeBSD platform will have __FBSDID, so just define it here. */
#ifdef __FreeBSD__
#include <sys/cdefs.h> /* For __FBSDID */
#else
/* Just leaving this macro replacement empty leads to a dangling semicolon. */
#define __FBSDID(a) struct _undefined_hack
#endif
#ifdef HAVE_LIBARCHIVE
/* If we're using the platform libarchive, include system headers. */
#include <archive.h>
#include <archive_entry.h>
#else
/* Otherwise, include user headers. */
#include "archive.h"
#include "archive_entry.h"
#endif
/*
* We need to be able to display a filesize using printf(). The type
* and format string here must be compatible with one another and
* large enough for any file.
*/
#if HAVE_UINTMAX_T
#define CPIO_FILESIZE_TYPE uintmax_t
#define CPIO_FILESIZE_PRINTF "%ju"
#else
#if HAVE_UNSIGNED_LONG_LONG
#define CPIO_FILESIZE_TYPE unsigned long long
#define CPIO_FILESIZE_PRINTF "%llu"
#else
#define CPIO_FILESIZE_TYPE unsigned long
#define CPIO_FILESIZE_PRINTF "%lu"
#endif
#endif
/* How to mark functions that don't return. */
#if defined(__GNUC__) && (__GNUC__ > 2 || \
(__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
#define __LA_DEAD __attribute__((__noreturn__))
#else
#define __LA_DEAD
#endif
#endif /* !CPIO_PLATFORM_H_INCLUDED */