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- /*
- * setreuid() 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 <sys/syscall.h>
- #include <unistd.h>
- #include <bits/wordsize.h>
- #if (__WORDSIZE == 32 && defined(__NR_setreuid32)) || __WORDSIZE == 64
- # ifdef __NR_setreuid32
- # undef __NR_setreuid
- # define __NR_setreuid __NR_setreuid32
- # endif
- _syscall2(int, setreuid, uid_t, ruid, uid_t, euid)
- #else
- # 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));
- }
- #endif
- libc_hidden_weak(setreuid)
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