| //===-------------------- Implementation of strlen ------------------------===// |
| // |
| // 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/strlen.h" |
| |
| #include "src/__support/common.h" |
| |
| namespace __llvm_libc { |
| |
| // TODO: investigate the performance of this function. |
| // There might be potential for compiler optmization. |
| size_t LLVM_LIBC_ENTRYPOINT(strlen)(const char *src) { |
| const char *end = src; |
| while (*end != '\0') |
| ++end; |
| return end - src; |
| } |
| |
| } // namespace __llvm_libc |