1 //===-- Implementation of strdup ------------------------------------------===// 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/strdup.h" 10 #include "src/__support/macros/config.h" 11 #include "src/errno/libc_errno.h" 12 #include "src/string/allocating_string_utils.h" 13 #include "src/string/memory_utils/inline_memcpy.h" 14 15 #include "src/__support/common.h" 16 17 #include <stdlib.h> 18 19 namespace LIBC_NAMESPACE_DECL { 20 21 LLVM_LIBC_FUNCTION(char *, strdup, (const char *src)) { 22 auto dup = internal::strdup(src); 23 if (dup) 24 return *dup; 25 if (src != nullptr) 26 libc_errno = ENOMEM; 27 return nullptr; 28 } 29 30 } // namespace LIBC_NAMESPACE_DECL 31