| /*- |
| * 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 |
| #elif 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 |
| #elif HAVE_STRUCT_STAT_ST_MTIME_N |
| #define ARCHIVE_STAT_CTIME_NANOS(st) (st)->st_ctime_n |
| #define ARCHIVE_STAT_MTIME_NANOS(st) (st)->st_mtime_n |
| #elif HAVE_STRUCT_STAT_ST_UMTIME |
| #define ARCHIVE_STAT_CTIME_NANOS(st) (st)->st_uctime * 1000 |
| #define ARCHIVE_STAT_MTIME_NANOS(st) (st)->st_umtime * 1000 |
| #elif HAVE_STRUCT_STAT_ST_MTIME_USEC |
| #define ARCHIVE_STAT_CTIME_NANOS(st) (st)->st_ctime_usec * 1000 |
| #define ARCHIVE_STAT_MTIME_NANOS(st) (st)->st_mtime_usec * 1000 |
| #else |
| #define ARCHIVE_STAT_CTIME_NANOS(st) (0) |
| #define ARCHIVE_STAT_MTIME_NANOS(st) (0) |
| #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 |
| |
| #if defined(__CYGWIN__) |
| #include "bsdtar_cygwin.h" |
| #elif defined(_WIN32) /* && !__CYGWIN__ */ |
| #include "bsdtar_windows.h" |
| #else |
| #define bsdtar_is_privileged(bsdtar) (bsdtar->user_uid == 0) |
| #endif |
| |
| #endif /* !BSDTAR_PLATFORM_H_INCLUDED */ |