// Copyright 2013 Google Inc. All Rights Reserved.
//
// 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
//
// http://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.
//
// Size-checked memory allocation.

#ifndef BROTLI_UTILS_UTILS_H_
#define BROTLI_UTILS_UTILS_H_

#include <assert.h>

#include "./types.h"

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

// This is the maximum memory amount that we will ever try to allocate.
#define BROTLI_MAX_ALLOCABLE_MEMORY (1ULL << 40)

// size-checking safe malloc/calloc: verify that the requested size is not too
// large, or return NULL. You don't need to call these for constructs like
// malloc(sizeof(foo)), but only if there's font-dependent size involved
// somewhere (like: malloc(decoded_size * sizeof(*something))). That's why this
// safe malloc() borrows the signature from calloc(), pointing at the dangerous
// underlying multiply involved.
void* BrotliSafeMalloc(uint64_t nmemb, size_t size);

#if defined(__cplusplus) || defined(c_plusplus)
}    // extern "C"
#endif

#endif  /* BROTLI_UTILS_UTILS_H_ */
