166d00febSPaula Toth //===-- Implementation of strcat ------------------------------------------===// 2188f72abSSiva Chandra Reddy // 3188f72abSSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4188f72abSSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information. 5188f72abSSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6188f72abSSiva Chandra Reddy // 7188f72abSSiva Chandra Reddy //===----------------------------------------------------------------------===// 8188f72abSSiva Chandra Reddy 9188f72abSSiva Chandra Reddy #include "src/string/strcat.h" 101fcfd30fSPaula Toth #include "src/string/strcpy.h" 11c92d1aa4Scgyurgyik #include "src/string/string_utils.h" 12188f72abSSiva Chandra Reddy 13188f72abSSiva Chandra Reddy #include "src/__support/common.h" 14188f72abSSiva Chandra Reddy 15188f72abSSiva Chandra Reddy namespace __llvm_libc { 16188f72abSSiva Chandra Reddy 17a0b65a7bSMichael Jones LLVM_LIBC_FUNCTION(char *, strcat, 18a0b65a7bSMichael Jones (char *__restrict dest, const char *__restrict src)) { 19*1c92911eSMichael Jones size_t dest_length = internal::string_length(dest); 20*1c92911eSMichael Jones size_t src_length = internal::string_length(src); 21*1c92911eSMichael Jones __llvm_libc::strcpy(dest + dest_length, src); 22*1c92911eSMichael Jones dest[dest_length + src_length] = '\0'; 23188f72abSSiva Chandra Reddy return dest; 24188f72abSSiva Chandra Reddy } 25188f72abSSiva Chandra Reddy 26188f72abSSiva Chandra Reddy } // namespace __llvm_libc 27