1 //===-- Implementation of strerror_r --------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/string/strerror_r.h" 10 #include "src/__support/StringUtil/error_to_string.h" 11 #include "src/__support/common.h" 12 13 #include <stddef.h> 14 15 namespace LIBC_NAMESPACE { 16 17 // This is the gnu version of strerror_r. The XSI version may be added later. 18 LLVM_LIBC_FUNCTION(char *, strerror_r, 19 (int err_num, char *buf, size_t buflen)) { 20 return const_cast<char *>(get_error_string(err_num, {buf, buflen}).data()); 21 } 22 23 } // namespace LIBC_NAMESPACE 24