| //===-- Implementation of stpcpy ------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/string/stpcpy.h" |
| #include "src/__support/macros/config.h" |
| #include "src/string/mempcpy.h" |
| #include "src/string/string_utils.h" |
| |
| #include "src/__support/common.h" |
| |
| namespace LIBC_NAMESPACE_DECL { |
| |
| LLVM_LIBC_FUNCTION(char *, stpcpy, |
| (char *__restrict dest, const char *__restrict src)) { |
| size_t size = internal::string_length(src) + 1; |
| char *result = |
| reinterpret_cast<char *>(LIBC_NAMESPACE::mempcpy(dest, src, size)); |
| |
| if (result != nullptr) |
| return result - 1; |
| return nullptr; |
| } |
| |
| } // namespace LIBC_NAMESPACE_DECL |
