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Merge over several portability changes from xfstest update.

/*
 * Copyright (c) 2004 Silicon Graphics, Inc.  All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Further, this software is distributed without any warranty that it is
 * free of the rightful claim of any third person regarding infringement
 * or the like.  Any license provided herein, whether implied or
 * otherwise, applies only to this software file.  Patent licenses, if
 * any, provided herein do not apply to combinations of this program with
 * other software, or any other product whatsoever.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write the Free Software Foundation, Inc., 59
 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
 *
 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
 * Mountain View, CA  94043, or:
 *
 * http://www.sgi.com
 *
 * For further information regarding this notice, see:
 *
 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
 *
 */
#ifndef __XFS_FREEBSD_H__
#define __XFS_FREEBSD_H__

#include <sys/stat.h>
#include <sys/param.h>
#include <sys/ioccom.h>
#include <sys/mount.h>
#include <ctype.h>
#include <libgen.h>
#include <paths.h>
#include <uuid.h>

#include <machine/endian.h>

/* FreeBSD file API is 64-bit aware */
#define	fstat64		fstat
#define	ftruncate64	ftruncate
#define lseek64		lseek
#define	stat64		stat
#define	pwrite64	pwrite
#define	pread64		pread
#define	fdatasync	fsync
#define memalign(a,size)	valloc(size)

typedef u_int8_t	__u8;
typedef int8_t		__s8;
typedef u_int16_t	__u16;
typedef int16_t		__s16;
typedef u_int32_t	__u32;
typedef int32_t		__s32;
typedef u_int64_t	__u64;
typedef int64_t		__s64;

#define constpp	char * const *

#define EFSCORRUPTED	990	/* Filesystem is corrupted */

typedef off_t		xfs_off_t;
typedef off_t		off64_t;
typedef __uint64_t	xfs_ino_t;
typedef __uint32_t	xfs_dev_t;
typedef __int64_t	xfs_daddr_t;
typedef char*		xfs_caddr_t;
typedef off_t		loff_t;

#ifndef	_UCHAR_T_DEFINED
typedef unsigned char	uchar_t;
#define	_UCHAR_T_DEFINED	1
#endif
typedef enum { B_FALSE,B_TRUE }	boolean_t;

#define	O_LARGEFILE	0

#define HAVE_FID	1
#define HAVE_SWABMACROS	1
#define INT_SWAP16(type,var) ((typeof(type))(__bswap16((__u16)(var))))
#define INT_SWAP32(type,var) ((typeof(type))(__bswap32((__u32)(var))))
#define INT_SWAP64(type,var) ((typeof(type))(__bswap64((__u64)(var))))

static __inline__ int xfsctl(const char *path, int fd, int cmd, void *p)
{
	return ioctl(fd, cmd, p);
}

static __inline__ int platform_test_xfs_fd(int fd)
{
	struct statfs buf;
	if (fstatfs(fd, &buf) < 0)
		return 0;
	return strcpy(buf.f_fstypename, "xfs") == 0;
}

static __inline__ int platform_test_xfs_path(const char *path)
{
	struct statfs buf;
	if (statfs(path, &buf) < 0)
		return 0;
	return strcpy(buf.f_fstypename, "xfs") == 0;
}

static __inline__ int platform_fstatfs(int fd, struct statfs *buf)
{
	return fstatfs(fd, buf);
}

static __inline__ void platform_getoptreset(void)
{
	extern int optind;
	optind = 0;
}

/*
 * Implement Linux libuuid functions in terms of DEC DCE's uuid
 * functions from FreeBSD libc.
 */

static __inline__ int gnu_uuid_compare(uuid_t a, uuid_t b)
{
	return uuid_compare(&a, &b, NULL);
}
#define	uuid_compare	gnu_uuid_compare

static __inline__ int uuid_is_null(uuid_t uid)
{
	return uuid_is_nil(&uid, NULL);
}

static __inline__ void uuid_unparse(uuid_t uid, char *buf)
{
	uint32_t status;
	char *str;
	uuid_to_string(&uid, &str, &status);
	if (status == uuid_s_ok)
		strcpy(buf, str);
	else *buf = '\0';
	free(str);
}

static __inline__ int gnu_uuid_parse(const char *buf, uuid_t *uid)
{
	uint32_t status;
	uuid_from_string(buf, uid, &status);
	return (status == uuid_s_ok);
}
#define	uuid_parse(s,u)	gnu_uuid_parse((s), &(u))

#define uuid_generate(uid)  uuid_create(&(uid), NULL)
#define uuid_clear(uid)  uuid_create_nil(&(uid), NULL)
#define uuid_copy(dst, src)  memcpy(&(dst), &(src), sizeof(uuid_t))

#endif	/* __XFS_FREEBSD_H__ */