1 //===-- Implementation of strxfrm -----------------------------------------===// 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/strxfrm.h" 10 #include "src/__support/macros/config.h" 11 #include "src/string/memory_utils/inline_memcpy.h" 12 #include "src/string/string_utils.h" 13 14 #include "src/__support/common.h" 15 16 namespace LIBC_NAMESPACE_DECL { 17 18 // TODO: Add support for locales. 19 LLVM_LIBC_FUNCTION(size_t, strxfrm, 20 (char *__restrict dest, const char *__restrict src, 21 size_t n)) { 22 size_t len = internal::string_length(src); 23 if (n > len) 24 inline_memcpy(dest, src, len + 1); 25 return len; 26 } 27 28 } // namespace LIBC_NAMESPACE_DECL 29