| 1 | //===-- Implementation of strncasecmp -------------------------------------===// |
|---|---|
| 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/strncasecmp.h" |
| 10 | |
| 11 | #include "src/__support/common.h" |
| 12 | #include "src/__support/ctype_utils.h" |
| 13 | #include "src/string/memory_utils/inline_strcmp.h" |
| 14 | |
| 15 | namespace LIBC_NAMESPACE { |
| 16 | |
| 17 | LLVM_LIBC_FUNCTION(int, strncasecmp, |
| 18 | (const char *left, const char *right, size_t n)) { |
| 19 | auto case_cmp = [](char a, char b) { |
| 20 | return LIBC_NAMESPACE::internal::tolower(ch: a) - |
| 21 | LIBC_NAMESPACE::internal::tolower(ch: b); |
| 22 | }; |
| 23 | return inline_strncmp(left, right, n, comp&: case_cmp); |
| 24 | } |
| 25 | |
| 26 | } // namespace LIBC_NAMESPACE |
| 27 |