/*- * 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: src/usr.bin/tar/bsdtar_platform.h,v 1.26 2008/12/06 07:37:14 kientzle Exp $ */ /* * This header is the first thing included in any of the bsdtar * source files. As far as possible, platform-specific issues should * be dealt with here and not within individual source files. */ #ifndef BSDTAR_PLATFORM_H_INCLUDED #define BSDTAR_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 bsdtar hasn't been (automatically or manually) configured. */ #error Oops: No config.h and no built-in configuration in bsdtar_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 /* * Does this platform have complete-looking POSIX-style ACL support, * including some variant of the acl_get_perm() function (which was * omitted from the POSIX.1e draft)? */ #if HAVE_SYS_ACL_H && HAVE_ACL_PERMSET_T && HAVE_ACL_USER #if HAVE_ACL_GET_PERM || HAVE_ACL_GET_PERM_NP #define HAVE_POSIX_ACL 1 #endif #endif #ifdef HAVE_LIBACL #include <acl/libacl.h> #endif #if HAVE_ACL_GET_PERM #define ACL_GET_PERM acl_get_perm #else #if HAVE_ACL_GET_PERM_NP #define ACL_GET_PERM acl_get_perm_np #endif #endif /* * Include "dirent.h" (or it's equivalent on several different platforms). * * This is slightly modified from the GNU autoconf recipe. * In particular, FreeBSD includes d_namlen in it's dirent structure, * so my configure script includes an explicit test for the d_namlen * field. */ #if HAVE_DIRENT_H # include <dirent.h> # if HAVE_DIRENT_D_NAMLEN # define DIRENT_NAMLEN(dirent) (dirent)->d_namlen # else # define DIRENT_NAMLEN(dirent) strlen((dirent)->d_name) # endif #else # define dirent direct # define DIRENT_NAMLEN(dirent) (dirent)->d_namlen # if HAVE_SYS_NDIR_H # include <sys/ndir.h> # endif # if HAVE_SYS_DIR_H # include <sys/dir.h> # endif # if HAVE_NDIR_H # include <ndir.h> # endif #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 BSDTAR_FILESIZE_TYPE uintmax_t #define BSDTAR_FILESIZE_PRINTF "%ju" #else #if HAVE_UNSIGNED_LONG_LONG #define BSDTAR_FILESIZE_TYPE unsigned long long #define BSDTAR_FILESIZE_PRINTF "%llu" #else #define BSDTAR_FILESIZE_TYPE unsigned long #define BSDTAR_FILESIZE_PRINTF "%lu" #endif #endif #if HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC #define ARCHIVE_STAT_CTIME_NANOS(st) (st)->st_ctimespec.tv_nsec #define ARCHIVE_STAT_MTIME_NANOS(st) (st)->st_mtimespec.tv_nsec #else #if HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC #define ARCHIVE_STAT_CTIME_NANOS(st) (st)->st_ctim.tv_nsec #define ARCHIVE_STAT_MTIME_NANOS(st) (st)->st_mtim.tv_nsec #else #define ARCHIVE_STAT_CTIME_NANOS(st) (0) #define ARCHIVE_STAT_MTIME_NANOS(st) (0) #endif #endif /* How to mark functions that don't return. */ /* This facilitates use of some newer static code analysis tools. */ #undef __LA_DEAD #if defined(__GNUC__) && (__GNUC__ > 2 || \ (__GNUC__ == 2 && __GNUC_MINOR__ >= 5)) #define __LA_DEAD __attribute__((__noreturn__)) #else #define __LA_DEAD #endif #endif /* !BSDTAR_PLATFORM_H_INCLUDED */