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freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/contrib/libarchive/tar/bsdtar_platform.h
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/*-

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 * SPDX-License-Identifier: BSD-2-Clause

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 *

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 * Copyright (c) 2003-2007 Tim Kientzle

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 * All rights reserved.

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 */

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/*

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 * This header is the first thing included in any of the bsdtar

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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.

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 */

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#ifndef BSDTAR_PLATFORM_H_INCLUDED

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#define	BSDTAR_PLATFORM_H_INCLUDED

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#if defined(PLATFORM_CONFIG_H)

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/* Use hand-built config.h in environments that need it. */

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#include PLATFORM_CONFIG_H

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#else

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/* Not having a config.h of some sort is a serious problem. */

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#include "config.h"

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#endif

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#if defined(_WIN32) && !defined(__CYGWIN__)

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#include "bsdtar_windows.h"

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#endif

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#ifdef HAVE_LIBARCHIVE

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/* If we're using the platform libarchive, include system headers. */

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#include <archive.h>

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#include <archive_entry.h>

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#else

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/* Otherwise, include user headers. */

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#include "archive.h"

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#include "archive_entry.h"

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#endif

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#ifdef HAVE_LIBACL

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#include <acl/libacl.h>

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#endif

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/*

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 * Include "dirent.h" (or its equivalent on several different platforms).

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 *

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 * This is slightly modified from the GNU autoconf recipe.

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 * In particular, FreeBSD includes d_namlen in its dirent structure,

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 * so my configure script includes an explicit test for the d_namlen

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 * field.

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 */

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#if HAVE_DIRENT_H

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# include <dirent.h>

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# if HAVE_DIRENT_D_NAMLEN

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#  define DIRENT_NAMLEN(dirent) (dirent)->d_namlen

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# else

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#  define DIRENT_NAMLEN(dirent) strlen((dirent)->d_name)

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# endif

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#else

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# define dirent direct

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# define DIRENT_NAMLEN(dirent) (dirent)->d_namlen

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# if HAVE_SYS_NDIR_H

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#  include <sys/ndir.h>

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# endif

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# if HAVE_SYS_DIR_H

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#  include <sys/dir.h>

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# endif

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# if HAVE_NDIR_H

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#  include <ndir.h>

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# endif

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#endif

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#if HAVE_STRUCT_STAT_ST_MTIMESPEC_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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#elif HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC

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#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctim.tv_nsec

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#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtim.tv_nsec

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#elif HAVE_STRUCT_STAT_ST_MTIME_N

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#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctime_n

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#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtime_n

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#elif HAVE_STRUCT_STAT_ST_UMTIME

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#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_uctime * 1000

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#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_umtime * 1000

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#elif HAVE_STRUCT_STAT_ST_MTIME_USEC

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#define	ARCHIVE_STAT_CTIME_NANOS(st)	(st)->st_ctime_usec * 1000

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#define	ARCHIVE_STAT_MTIME_NANOS(st)	(st)->st_mtime_usec * 1000

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#else

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#define	ARCHIVE_STAT_CTIME_NANOS(st)	(0)

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#define	ARCHIVE_STAT_MTIME_NANOS(st)	(0)

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#endif

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/* How to mark functions that don't return. */

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/* This facilitates use of some newer static code analysis tools. */

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#undef __LA_NORETURN

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#if defined(__GNUC__) && (__GNUC__ > 2 || \

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                          (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))

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#define __LA_NORETURN       __attribute__((__noreturn__))

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#elif defined(_MSC_VER)

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#define __LA_NORETURN __declspec(noreturn)

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#else

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#define __LA_NORETURN

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#endif

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#endif /* !BSDTAR_PLATFORM_H_INCLUDED */

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