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