1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef _SYS_STAT_H 17 #error "Never include this file directly; instead, include <sys/stat.h>" 18 #endif 19 20 #include "fortify.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 mode_t __umask_chk(mode_t); 27 mode_t __umask_real(mode_t mode) __DIAGNOSE_RENAME(umask); 28 29 #ifdef __FORTIFY_COMPILATION 30 /* Overload of umask. */ 31 __DIAGNOSE_FORTIFY_INLINE umask(mode_t mode)32mode_t umask(mode_t mode) 33 __DIAGNOSE_OVERLOAD 34 __DIAGNOSE_ENABLE_IF(1, "") 35 __DIAGNOSE_ERROR_IF(mode & ~0777, "'umask' was called in invalid mode") 36 { 37 #ifdef __FORTIFY_RUNTIME 38 return __umask_chk(mode); 39 #else 40 return __umask_real(mode); 41 #endif 42 } 43 #endif 44 45 #ifdef __cplusplus 46 } 47 #endif