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/* * setresuid() 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> #if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__ #include <unistd.h> #if defined(__NR_setresuid32) # undef __NR_setresuid # define __NR_setresuid __NR_setresuid32 _syscall3(int, setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) libc_hidden_weak(setresuid) #elif defined(__NR_setresuid) # define __NR___syscall_setresuid __NR_setresuid static __inline__ _syscall3(int, __syscall_setresuid, __kernel_uid_t, rgid, __kernel_uid_t, egid, __kernel_uid_t, sgid) int setresuid(uid_t ruid, uid_t euid, uid_t suid) { if (((ruid + 1) > (uid_t) ((__kernel_uid_t) - 1U)) || ((euid + 1) > (uid_t) ((__kernel_uid_t) - 1U)) || ((suid + 1) > (uid_t) ((__kernel_uid_t) - 1U))) { __set_errno(EINVAL); return -1; } return (__syscall_setresuid(ruid, euid, suid)); } libc_hidden_weak(setresuid) #endif #endif |