29 lines · cpp
1//===-- Implementation of wcscmp ------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/wchar/wcscmp.h"10 11#include "hdr/types/size_t.h"12#include "hdr/types/wchar_t.h"13#include "src/__support/common.h"14#include "src/__support/macros/null_check.h"15 16namespace LIBC_NAMESPACE_DECL {17 18LLVM_LIBC_FUNCTION(int, wcscmp, (const wchar_t *left, const wchar_t *right)) {19 LIBC_CRASH_ON_NULLPTR(left);20 LIBC_CRASH_ON_NULLPTR(right);21 22 for (; *left && (*left == *right); ++left, ++right)23 ;24 25 return *left - *right;26}27 28} // namespace LIBC_NAMESPACE_DECL29