/* vi: set sw=4 ts=4: */ /* * fchown() for uClibc * * Copyright (C) 2000-2006 Erik Andersen <andersen@codepoet.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_fchown32)) || __WORDSIZE == 64 # ifdef __NR_fchown32 # undef __NR_fchown # define __NR_fchown __NR_fchown32 # endif _syscall3(int, fchown, int, fd, uid_t, owner, gid_t, group) #else # define __NR___syscall_fchown __NR_fchown static __inline__ _syscall3(int, __syscall_fchown, int, fd, __kernel_uid_t, owner, __kernel_gid_t, group) int fchown(int fd, uid_t owner, gid_t group) { if (((owner + 1) > (uid_t) ((__kernel_uid_t) - 1U)) || ((group + 1) > (gid_t) ((__kernel_gid_t) - 1U))) { __set_errno(EINVAL); return -1; } return (__syscall_fchown(fd, owner, group)); } #endif