glibc/sysdeps/unix/sysv/linux/setuid.c

/* Copyright (C) 1998-2023 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#include <errno.h>
#include <unistd.h>
#include <setxid.h>

int
__setuid (uid_t uid)
{
#ifdef __NR_setuid32
  return INLINE_SETXID_SYSCALL (setuid32, 1, uid);
#else
  return INLINE_SETXID_SYSCALL (setuid, 1, uid);
#endif
}
#ifndef __setuid
weak_alias (__setuid, setuid)
#endif