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