/*
 * Copyright (c) 2001 Silicon Graphics, Inc.  All Rights Reserved.
 * 
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2.1 of the GNU Lesser 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 Lesser 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/
 */

/*
 * The use of the syscall() function is an additional level of
 * indirection. For now, this avoids the dependency on kernel sources, though.
 */

#include <unistd.h>

#if defined(__i386__)
# define HAVE_XATTR_SYSCALLS 1
# define __NR_setxattr		226
# define __NR_lsetxattr		227
# define __NR_fsetxattr		228
# define __NR_getxattr		229
# define __NR_lgetxattr		230
# define __NR_fgetxattr		231
# define __NR_listxattr		232
# define __NR_llistxattr	233
# define __NR_flistxattr	234
# define __NR_removexattr	235
# define __NR_lremovexattr	236
# define __NR_fremovexattr	237
#elif defined (__sparc__)
# define HAVE_XATTR_SYSCALLS 1
# define __NR_setxattr		169
# define __NR_lsetxattr		170
# define __NR_fsetxattr		171
# define __NR_getxattr		172
# define __NR_lgetxattr		173
# define __NR_fgetxattr		177
# define __NR_listxattr		178
# define __NR_llistxattr	179
# define __NR_flistxattr	180
# define __NR_removexattr	181
# define __NR_lremovexattr	182
# define __NR_fremovexattr	183
#elif defined (__ia64__)
# define HAVE_XATTR_SYSCALLS 1
# define __NR_setxattr		1218
# define __NR_lsetxattr		1219
# define __NR_fsetxattr		1220
# define __NR_getxattr		1221
# define __NR_lgetxattr		1222
# define __NR_fgetxattr		1223
# define __NR_listxattr		1224
# define __NR_llistxattr	1225
# define __NR_flistxattr	1226
# define __NR_removexattr	1227
# define __NR_lremovexattr	1228
# define __NR_fremovexattr	1229
#elif defined (__powerpc__)
# define HAVE_XATTR_SYSCALLS 1
# define __NR_setxattr		209
# define __NR_lsetxattr		210
# define __NR_fsetxattr		211
# define __NR_getxattr		212
# define __NR_lgetxattr		213
# define __NR_fgetxattr		214
# define __NR_listxattr		215
# define __NR_llistxattr	216
# define __NR_flistxattr	217
# define __NR_removexattr	218
# define __NR_lremovexattr	219
# define __NR_fremovexattr	220
#elif defined (__x86_64__)
# define HAVE_XATTR_SYSCALLS 1
# define __NR_setxattr		188
# define __NR_lsetxattr		189
# define __NR_fsetxattr		190
# define __NR_getxattr		191
# define __NR_lgetxattr		192
# define __NR_fgetxattr		193
# define __NR_listxattr		194
# define __NR_llistxattr	195
# define __NR_flistxattr	196
# define __NR_removexattr	197
# define __NR_lremovexattr	198
# define __NR_fremovexattr	199
#else
# warning "Extended attribute syscalls undefined for this architecture"
# define HAVE_XATTR_SYSCALLS 0
#endif

#if HAVE_XATTR_SYSCALLS
# define SYSCALL(args...)	syscall(args)
#else
# define SYSCALL(args...)	( errno = ENOSYS, -1 )
#endif

int setxattr (const char *path, const char *name,
			void *value, size_t size, int flags)
{
	return SYSCALL(__NR_setxattr, path, name, value, size, flags);
}

int lsetxattr (const char *path, const char *name,
			void *value, size_t size, int flags)
{
	return SYSCALL(__NR_lsetxattr, path, name, value, size, flags);
}

int fsetxattr (int filedes, const char *name,
			void *value, size_t size, int flags)
{
	return SYSCALL(__NR_fsetxattr, filedes, name, value, size, flags);
}

ssize_t getxattr (const char *path, const char *name,
				void *value, size_t size)
{
	return SYSCALL(__NR_getxattr, path, name, value, size);
}

ssize_t lgetxattr (const char *path, const char *name,
				void *value, size_t size)
{
	return SYSCALL(__NR_lgetxattr, path, name, value, size);
}

ssize_t fgetxattr (int filedes, const char *name,
				void *value, size_t size)
{
	return SYSCALL(__NR_fgetxattr, filedes, name, value, size);
}

ssize_t listxattr (const char *path, char *list, size_t size)
{
	return SYSCALL(__NR_listxattr, path, list, size);
}

ssize_t llistxattr (const char *path, char *list, size_t size)
{
	return SYSCALL(__NR_llistxattr, path, list, size);
}

ssize_t flistxattr (int filedes, char *list, size_t size)
{
	return SYSCALL(__NR_flistxattr, filedes, list, size);
}

int removexattr (const char *path, const char *name)
{
	return SYSCALL(__NR_removexattr, path, name);
}

int lremovexattr (const char *path, const char *name)
{
	return SYSCALL(__NR_lremovexattr, path, name);
}

int fremovexattr (int filedes, const char *name)
{
	return SYSCALL(__NR_fremovexattr, filedes, name);
}