1 //===-- Implementation of strlen ------------------------------------------===//
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/strlen.h"
10 #include "src/string/string_utils.h"
11 
12 #include "src/__support/common.h"
13 
14 namespace __llvm_libc {
15 
16 // TODO: investigate the performance of this function.
17 // There might be potential for compiler optimization.
LLVM_LIBC_ENTRYPOINT(strlen)18 size_t LLVM_LIBC_ENTRYPOINT(strlen)(const char *src) {
19   return internal::string_length(src);
20 }
21 
22 } // namespace __llvm_libc
23