diff options
Diffstat (limited to 'lib/libarchive/archive_platform.h')
| -rw-r--r-- | lib/libarchive/archive_platform.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/lib/libarchive/archive_platform.h b/lib/libarchive/archive_platform.h new file mode 100644 index 0000000..4cf9f05 --- /dev/null +++ b/lib/libarchive/archive_platform.h @@ -0,0 +1,138 @@ +/*- + * Copyright (c) 2003-2006 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 + * in this position and unchanged. + * 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 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 + +#if defined(HAVE_CONFIG_H) +/* Most POSIX platforms use the 'configure' script to build config.h */ +#include "../config.h" +#elif defined(__FreeBSD__) +/* Building as part of FreeBSD system requires a pre-built config.h. */ +#include "config_freebsd.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 + +/* + * The config files define a lot of feature macros. The following + * uses those macros to select/define replacements and include key + * headers as required. + */ + +/* No non-FreeBSD platform will have __FBSDID, so just define it here. */ +#ifdef __FreeBSD__ +#include <sys/cdefs.h> /* For __FBSDID */ +#else +#define __FBSDID(a) /* null */ +#endif + +/* Try to get standard C99-style integer type definitions. */ +#if HAVE_INTTYPES_H +#include <inttypes.h> +#elif HAVE_STDINT_H +#include <stdint.h> +#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 + +/* Select the best way to set/get hi-res timestamps. */ +#if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC +/* FreeBSD uses "timespec" members. */ +#define ARCHIVE_STAT_ATIME_NANOS(st) (st)->st_atimespec.tv_nsec +#define ARCHIVE_STAT_CTIME_NANOS(st) (st)->st_ctimespec.tv_nsec +#define ARCHIVE_STAT_MTIME_NANOS(st) (st)->st_mtimespec.tv_nsec +#define ARCHIVE_STAT_SET_ATIME_NANOS(st, n) (st)->st_atimespec.tv_nsec = (n) +#define ARCHIVE_STAT_SET_CTIME_NANOS(st, n) (st)->st_ctimespec.tv_nsec = (n) +#define ARCHIVE_STAT_SET_MTIME_NANOS(st, n) (st)->st_mtimespec.tv_nsec = (n) +#else +#if HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC +/* Linux uses "tim" members. */ +#define ARCHIVE_STAT_ATIME_NANOS(pstat) (pstat)->st_atim.tv_nsec +#define ARCHIVE_STAT_CTIME_NANOS(pstat) (pstat)->st_ctim.tv_nsec +#define ARCHIVE_STAT_MTIME_NANOS(pstat) (pstat)->st_mtim.tv_nsec +#define ARCHIVE_STAT_SET_ATIME_NANOS(st, n) (st)->st_atim.tv_nsec = (n) +#define ARCHIVE_STAT_SET_CTIME_NANOS(st, n) (st)->st_ctim.tv_nsec = (n) +#define ARCHIVE_STAT_SET_MTIME_NANOS(st, n) (st)->st_mtim.tv_nsec = (n) +#else +/* If we can't find a better way, just use stubs. */ +#define ARCHIVE_STAT_ATIME_NANOS(pstat) 0 +#define ARCHIVE_STAT_CTIME_NANOS(pstat) 0 +#define ARCHIVE_STAT_MTIME_NANOS(pstat) 0 +#define ARCHIVE_STAT_SET_ATIME_NANOS(st, n) ((void)(n)) +#define ARCHIVE_STAT_SET_CTIME_NANOS(st, n) ((void)(n)) +#define ARCHIVE_STAT_SET_MTIME_NANOS(st, n) ((void)(n)) +#endif +#endif + +#endif /* !ARCHIVE_H_INCLUDED */ |
