From a9752043dd652d0fb4addf947b76e57c588f430c Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Mon, 22 Jul 2002 17:11:58 +0000 Subject: Add some syscalls which I moved out of syscalls.c -Erik --- libc/sysdeps/linux/common/setuid.c | 44 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 libc/sysdeps/linux/common/setuid.c (limited to 'libc/sysdeps/linux/common/setuid.c') diff --git a/libc/sysdeps/linux/common/setuid.c b/libc/sysdeps/linux/common/setuid.c new file mode 100644 index 000000000..a9ca830df --- /dev/null +++ b/libc/sysdeps/linux/common/setuid.c @@ -0,0 +1,44 @@ +/* vi: set sw=4 ts=4: */ +/* + * setuid syscall for uClibc + * + * Copyright (C) 2002 by Erik Andersen + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#include +#include +#include +#include + +#ifndef INLINE_SYSCALL +#define INLINE_SYSCALL(name, nr, args...) __syscall_setuid (args) +#define __NR___syscall_setuid __NR_setuid +static inline _syscall1(int, __syscall_setuid, int, id); +#endif + +int setuid(uid_t uid) +{ + if (uid == (uid_t) ~0 || uid != (uid_t) ((int) uid)) { + __set_errno (EINVAL); + return -1; + } + + return(INLINE_SYSCALL(setuid, 1, uid)); +} + -- cgit v1.2.3