diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/setresuid.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/i386/setresuid.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/setresuid.c b/sysdeps/unix/sysv/linux/i386/setresuid.c new file mode 100644 index 0000000000..db8a44fb61 --- /dev/null +++ b/sysdeps/unix/sysv/linux/i386/setresuid.c @@ -0,0 +1,47 @@ +/* Copyright (C) 1998 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <unistd.h> +#include <sys/types.h> + +#include <linux/posix_types.h> + +#include <sys/syscall.h> +#ifdef __NR_setresuid + +extern int __syscall_setresuid (__kernel_uid_t rgid, __kernel_uid_t egid, + __kernel_uid_t sgid); + +int +__setresuid (gid_t ruid, gid_t euid, gid_t suid) +{ + if ((ruid != (uid_t) ((__kernel_uid_t) ruid)) + || (euid != (uid_t) ((__kernel_uid_t) euid)) + || (suid != (uid_t) ((__kernel_uid_t) suid))) + { + __set_errno (EINVAL); + return -1; + } + + return __syscall_setresuid (ruid, euid, suid); +} +weak_alias (__setresuid, setresuid) +#else +# include <sysdeps/generic/setresuid.c> +#endif |