1*71db0c75SAndroid Build Coastguard Worker //===-- Implementation of strlen ------------------------------------------===// 2*71db0c75SAndroid Build Coastguard Worker // 3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information. 5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*71db0c75SAndroid Build Coastguard Worker // 7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===// 8*71db0c75SAndroid Build Coastguard Worker 9*71db0c75SAndroid Build Coastguard Worker #include "src/string/strlen.h" 10*71db0c75SAndroid Build Coastguard Worker #include "src/__support/macros/config.h" 11*71db0c75SAndroid Build Coastguard Worker #include "src/string/string_utils.h" 12*71db0c75SAndroid Build Coastguard Worker 13*71db0c75SAndroid Build Coastguard Worker #include "src/__support/common.h" 14*71db0c75SAndroid Build Coastguard Worker 15*71db0c75SAndroid Build Coastguard Worker namespace LIBC_NAMESPACE_DECL { 16*71db0c75SAndroid Build Coastguard Worker 17*71db0c75SAndroid Build Coastguard Worker // TODO: investigate the performance of this function. 18*71db0c75SAndroid Build Coastguard Worker // There might be potential for compiler optimization. 19*71db0c75SAndroid Build Coastguard Worker LLVM_LIBC_FUNCTION(size_t, strlen, (const char *src)) { 20*71db0c75SAndroid Build Coastguard Worker return internal::string_length(src); 21*71db0c75SAndroid Build Coastguard Worker } 22*71db0c75SAndroid Build Coastguard Worker 23*71db0c75SAndroid Build Coastguard Worker } // namespace LIBC_NAMESPACE_DECL 24