xref: /aosp_15_r20/external/abseil-cpp/absl/strings/internal/memutil.h (revision 9356374a3709195abf420251b3e825997ff56c0f)

//
// Copyright 2017 The Abseil Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

#ifndef ABSL_STRINGS_INTERNAL_MEMUTIL_H_
#define ABSL_STRINGS_INTERNAL_MEMUTIL_H_

#include <cstddef>
#include <cstring>

#include "absl/base/port.h"  // disable some warnings on Windows
#include "absl/strings/ascii.h"  // for absl::ascii_tolower

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace strings_internal {

// Performs a byte-by-byte comparison of `len` bytes of the strings `s1` and
// `s2`, ignoring the case of the characters. It returns an integer less than,
// equal to, or greater than zero if `s1` is found, respectively, to be less
// than, to match, or be greater than `s2`.
int memcasecmp(const char* s1, const char* s2, size_t len);

}  // namespace strings_internal
ABSL_NAMESPACE_END
}  // namespace absl

#endif  // ABSL_STRINGS_INTERNAL_MEMUTIL_H_