From 6334e558ab33ee1e54ed33740881a2798c5915c2 Mon Sep 17 00:00:00 2001 From: Eric Andersen Date: Wed, 21 Jan 2004 23:27:48 +0000 Subject: Split up syscalls.c, since it had grown to be quite large and ugly. -Erik --- libc/sysdeps/linux/common/setreuid.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 libc/sysdeps/linux/common/setreuid.c (limited to 'libc/sysdeps/linux/common/setreuid.c') diff --git a/libc/sysdeps/linux/common/setreuid.c b/libc/sysdeps/linux/common/setreuid.c new file mode 100644 index 000000000..ad6860518 --- /dev/null +++ b/libc/sysdeps/linux/common/setreuid.c @@ -0,0 +1,25 @@ +/* vi: set sw=4 ts=4: */ +/* + * setreuid() for uClibc + * + * Copyright (C) 2000-2004 by Erik Andersen + * + * GNU Library General Public License (LGPL) version 2 or later. + */ + +#include "syscalls.h" +#include + +#define __NR___syscall_setreuid __NR_setreuid +static inline _syscall2(int, __syscall_setreuid, + __kernel_uid_t, ruid, __kernel_uid_t, euid); + +int setreuid(uid_t ruid, uid_t euid) +{ + if (((ruid + 1) > (uid_t) ((__kernel_uid_t) - 1U)) + || ((euid + 1) > (uid_t) ((__kernel_uid_t) - 1U))) { + __set_errno(EINVAL); + return -1; + } + return (__syscall_setreuid(ruid, euid)); +} -- cgit v1.2.3