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/* vi: set sw=4 ts=4: */
/*
* setresuid() for uClibc
*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include "syscalls.h"
#ifdef __USE_GNU
#include <unistd.h>
libc_hidden_proto(setresuid)
#if defined(__NR_setresuid32)
# undef __NR_setresuid
# define __NR_setresuid __NR_setresuid32
_syscall3(int, setresuid, uid_t, ruid, uid_t, euid, uid_t, suid)
#elif defined(__NR_setresuid)
# define __NR___syscall_setresuid __NR_setresuid
static inline _syscall3(int, __syscall_setresuid,
__kernel_uid_t, rgid, __kernel_uid_t, egid, __kernel_uid_t, sgid);
int setresuid(uid_t ruid, uid_t euid, uid_t suid)
{
if (((ruid + 1) > (uid_t) ((__kernel_uid_t) - 1U))
|| ((euid + 1) > (uid_t) ((__kernel_uid_t) - 1U))
|| ((suid + 1) > (uid_t) ((__kernel_uid_t) - 1U))) {
__set_errno(EINVAL);
return -1;
}
return (__syscall_setresuid(ruid, euid, suid));
}
#endif
libc_hidden_def(setresuid)
#endif
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