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 LIBC_NAMESPACE { 15 16 // TODO: investigate the performance of this function. 17 // There might be potential for compiler optimization. 18 LLVM_LIBC_FUNCTION(size_t, strlen, (const char *src)) { 19 return internal::string_length(src); 20 } 21 22 } // namespace LIBC_NAMESPACE 23