| //===-- Implementation of wcsspn ------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "src/wchar/wcsspn.h" |
| |
| #include "hdr/types/size_t.h" |
| #include "hdr/types/wchar_t.h" |
| #include "src/__support/common.h" |
| #include "src/__support/macros/config.h" |
| |
| namespace LIBC_NAMESPACE_DECL { |
| |
| bool check(wchar_t c, const wchar_t *s2) { |
| for (int n = 0; s2[n]; ++n) { |
| if (s2[n] == c) |
| return true; |
| } |
| return false; |
| } |
| LLVM_LIBC_FUNCTION(size_t, wcsspn, (const wchar_t *s1, const wchar_t *s2)) { |
| size_t i = 0; |
| for (; s1[i]; ++i) { |
| if (!check(s1[i], s2)) |
| return i; |
| } |
| return i; |
| } |
| |
| } // namespace LIBC_NAMESPACE_DECL |
