30 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/string/strdup.h"10#include "hdr/stdlib_macros.h"11#include "src/__support/libc_errno.h"12#include "src/__support/macros/config.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 18namespace LIBC_NAMESPACE_DECL {19 20LLVM_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_DECL30