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73c891fe79
Thanks to: David O'Brien for pointing this out. Also, add in a few additional portability tweaks and make a few more things conditional on features (HAVE_XXXX macros) rather than platform.
136 lines
4.8 KiB
C
136 lines
4.8 KiB
C
/*-
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* Copyright (c) 2003-2004 Tim Kientzle
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* This header is the first thing included in any of the libarchive
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* source files. As far as possible, platform-specific issues should
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* be dealt with here and not within individual source files. I'm
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* actively trying to minimize #if blocks within the main source,
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* since they obfuscate the code.
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*/
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#ifndef ARCHIVE_PLATFORM_H_INCLUDED
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#define ARCHIVE_PLATFORM_H_INCLUDED
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/* FreeBSD-specific definitions. */
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#ifdef __FreeBSD__
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#include <sys/cdefs.h> /* For __FBSDID */
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/*
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* Note that SUSv3 says that inttypes.h includes stdint.h.
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* Since inttypes.h predates stdint.h, it's safest to always
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* use inttypes.h instead of stdint.h.
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*/
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#include <inttypes.h> /* For int64_t, etc. */
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#if __FreeBSD__ > 4
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#define HAVE_POSIX_ACL 1
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#endif
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#define HAVE_CHFLAGS 1
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#define HAVE_LUTIMES 1
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#define HAVE_LCHMOD 1
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#define HAVE_LCHOWN 1
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#define HAVE_STRERROR_R 1
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#define ARCHIVE_ERRNO_FILE_FORMAT EFTYPE
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#define ARCHIVE_ERRNO_PROGRAMMER EINVAL
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#define ARCHIVE_ERRNO_MISC (-1)
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/* Fetch/set high-resolution time data through a struct stat pointer. */
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#define ARCHIVE_STAT_ATIME_NANOS(st) (st)->st_atimespec.tv_nsec
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#define ARCHIVE_STAT_CTIME_NANOS(st) (st)->st_ctimespec.tv_nsec
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#define ARCHIVE_STAT_MTIME_NANOS(st) (st)->st_mtimespec.tv_nsec
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#define ARCHIVE_STAT_SET_ATIME_NANOS(st, n) (st)->st_atimespec.tv_nsec = (n)
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#define ARCHIVE_STAT_SET_CTIME_NANOS(st, n) (st)->st_ctimespec.tv_nsec = (n)
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#define ARCHIVE_STAT_SET_MTIME_NANOS(st, n) (st)->st_mtimespec.tv_nsec = (n)
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/*
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* Older versions of inttypes.h don't have INT64_MAX, etc. Since
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* SUSv3 requires them to be macros when they are defined, we can
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* easily test for and define them here if necessary. Someday, we
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* won't have to worry about non-C99-compliant systems.
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*/
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#ifndef INT64_MAX
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/* XXX Is this really necessary? XXX */
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#ifdef __i386__
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#define INT64_MAX 0x7fffffffffffffffLL
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#define UINT64_MAX 0xffffffffffffffffULL
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#else /* __alpha__ */
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#define INT64_MAX 0x7fffffffffffffffL
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#define UINT64_MAX 0xffffffffffffffffUL
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#endif
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#endif /* ! INT64_MAX */
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#endif /* __FreeBSD__ */
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/* No non-FreeBSD platform will have __FBSDID, so just define it here. */
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#ifndef __FreeBSD__
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#define __FBSDID(a) /* null */
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#endif
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/* Linux */
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#ifdef LINUX
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#define _FILE_OFFSET_BITS 64 /* Needed for 64-bit file size handling. */
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#include <inttypes.h>
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#define ARCHIVE_ERRNO_FILE_FORMAT EILSEQ
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#define ARCHIVE_ERRNO_PROGRAMMER EINVAL
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#define ARCHIVE_ERRNO_MISC (-1)
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#define HAVE_EXT2FS_EXT2_FS_H 1
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#define HAVE_LCHOWN 1
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#define HAVE_STRERROR_R 1
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#define STRERROR_R_CHAR_P 1
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#ifdef HAVE_STRUCT_STAT_TIMESPEC
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/* Fetch the nanosecond portion of the timestamp from a struct stat pointer. */
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#define ARCHIVE_STAT_ATIME_NANOS(pstat) (pstat)->st_atim.tv_nsec
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#define ARCHIVE_STAT_CTIME_NANOS(pstat) (pstat)->st_ctim.tv_nsec
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#define ARCHIVE_STAT_MTIME_NANOS(pstat) (pstat)->st_mtim.tv_nsec
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#define ARCHIVE_STAT_SET_ATIME_NANOS(st, n) (st)->st_atim.tv_nsec = (n)
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#define ARCHIVE_STAT_SET_CTIME_NANOS(st, n) (st)->st_ctim.tv_nsec = (n)
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#define ARCHIVE_STAT_SET_MTIME_NANOS(st, n) (st)->st_mtim.tv_nsec = (n)
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#else
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/* High-res timestamps aren't available, so just use stubs here. */
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#define ARCHIVE_STAT_ATIME_NANOS(pstat) 0
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#define ARCHIVE_STAT_CTIME_NANOS(pstat) 0
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#define ARCHIVE_STAT_MTIME_NANOS(pstat) 0
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#define ARCHIVE_STAT_SET_ATIME_NANOS(st, n)
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#define ARCHIVE_STAT_SET_CTIME_NANOS(st, n)
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#define ARCHIVE_STAT_SET_MTIME_NANOS(st, n)
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#endif
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#endif
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/*
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* XXX TODO: Use autoconf to handle non-FreeBSD platforms.
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*
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* #if !defined(__FreeBSD__)
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* #include "config.h"
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* #endif
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*/
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#endif /* !ARCHIVE_H_INCLUDED */
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