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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_diagnose(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)32 mode_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_diagnose(mode);
39 #else
40     return __umask_real(mode);
41 #endif
42 }
43 #endif
44 
45 #ifdef __cplusplus
46 }
47 #endif