27 lines · cpp
1//===-- Implementation of strcasecmp --------------------------------------===//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/strings/strcasecmp.h"10 11#include "src/__support/common.h"12#include "src/__support/ctype_utils.h"13#include "src/__support/macros/config.h"14#include "src/string/memory_utils/inline_strcmp.h"15 16namespace LIBC_NAMESPACE_DECL {17 18LLVM_LIBC_FUNCTION(int, strcasecmp, (const char *left, const char *right)) {19 auto case_cmp = [](char a, char b) {20 return static_cast<int>(LIBC_NAMESPACE::internal::tolower(a)) -21 static_cast<int>(LIBC_NAMESPACE::internal::tolower(b));22 };23 return inline_strcmp(left, right, case_cmp);24}25 26} // namespace LIBC_NAMESPACE_DECL27