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" 10*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 111fcfd30fSPaula Toth #include "src/string/strcpy.h" 12c92d1aa4Scgyurgyik #include "src/string/string_utils.h" 13188f72abSSiva Chandra Reddy 14188f72abSSiva Chandra Reddy #include "src/__support/common.h" 15188f72abSSiva Chandra Reddy 16*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 17188f72abSSiva Chandra Reddy 18a0b65a7bSMichael Jones LLVM_LIBC_FUNCTION(char *, strcat, 19a0b65a7bSMichael Jones (char *__restrict dest, const char *__restrict src)) { 201c92911eSMichael Jones size_t dest_length = internal::string_length(dest); 211c92911eSMichael Jones size_t src_length = internal::string_length(src); 22b6bc9d72SGuillaume Chatelet LIBC_NAMESPACE::strcpy(dest + dest_length, src); 231c92911eSMichael Jones dest[dest_length + src_length] = '\0'; 24188f72abSSiva Chandra Reddy return dest; 25188f72abSSiva Chandra Reddy } 26188f72abSSiva Chandra Reddy 27*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 28