| //===-- Allocating string utils ---------------------------------*- C++ -*-===// | |
| // | |
| // 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 | |
| // | |
| //===----------------------------------------------------------------------===// | |
| namespace LIBC_NAMESPACE_DECL { | |
| namespace internal { | |
| LIBC_INLINE cpp::optional<char *> strdup(const char *src) { | |
| if (src == nullptr) | |
| return cpp::nullopt; | |
| size_t len = string_length(src) + 1; | |
| AllocChecker ac; | |
| char *newstr = new (ac) char[len]; | |
| if (!ac) | |
| return cpp::nullopt; | |
| inline_memcpy(newstr, src, len); | |
| return newstr; | |
| } | |
| } // namespace internal | |
| } // namespace LIBC_NAMESPACE_DECL | |