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 _STDLIB_H 17 #error "Never include this file directly; instead, include <stdlib.h>" 18 #endif 19 20 #include "fortify.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 #if defined(_GNU_SOURCE) && defined(__FORTIFY_COMPILATION) 27 char* realpath(const char* path, char* resolved) 28 __DIAGNOSE_ERROR_IF(!path, "'realpath': NULL path is never correct; flipped arguments?") 29 __DIAGNOSE_ERROR_IF(__DIAGNOSE_UNEVALUATED_LT(__DIAGNOSE_BOS(resolved), FORTIFY_PATH_MAX), 30 "'realpath' " OUTPUT_PARAMETER_BYTES); 31 #endif 32 #ifdef __cplusplus 33 } 34 #endif