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/* vi: set sw=4 ts=4: */
/*
* fchown() for uClibc
*
* Copyright (C) 2000-2006 by Erik Andersen <andersen@codepoet.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include "syscalls.h"
#include <unistd.h>
#include <linux/version.h>
/* Linux 2.3.39 introduced 32bit UID/GIDs. Some platforms had 32
bit type all along. */
#if LINUX_VERSION_CODE >= 131879
_syscall3(int, fchown, int, fd, uid_t, owner, gid_t, group);
#else
#define __NR___syscall_fchown __NR_fchown
static inline _syscall3(int, __syscall_fchown, int, fd,
__kernel_uid_t, owner, __kernel_gid_t, group);
int fchown(int fd, uid_t owner, gid_t group)
{
if (((owner + 1) > (uid_t) ((__kernel_uid_t) - 1U))
|| ((group + 1) > (gid_t) ((__kernel_gid_t) - 1U))) {
__set_errno(EINVAL);
return -1;
}
return (__syscall_fchown(fd, owner, group));
}
#endif
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