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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) |