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/__support/macros/config.h" 11 #include "src/string/string_utils.h" 12 13 #include "src/__support/common.h" 14 15 namespace LIBC_NAMESPACE_DECL { 16 17 // TODO: investigate the performance of this function. 18 // There might be potential for compiler optimization. 19 LLVM_LIBC_FUNCTION(size_t, strlen, (const char *src)) { 20 return internal::string_length(src); 21 } 22 23 } // namespace LIBC_NAMESPACE_DECL 24