Proyectos de Subversion Iphone Microlearning

// Copyright 2019 Google

//

// 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.

#include "Crashlytics/Crashlytics/Helpers/FIRCLSFeatures.h"

#pragma once

#include <stdbool.h>

#include <sys/types.h>

typedef enum { CLS_READONLY = 0, CLS_READWRITE = 1 } FIRCLSAllocationType;

typedef struct {

  size_t size;

  void* start;

  _Atomic(void*) volatile cursor;

} FIRCLSAllocationRegion;

typedef struct {

  void* buffer;

  bool protectionEnabled;

  FIRCLSAllocationRegion writeableRegion;

  FIRCLSAllocationRegion readableRegion;

} FIRCLSAllocator;

typedef FIRCLSAllocator* FIRCLSAllocatorRef;

FIRCLSAllocatorRef FIRCLSAllocatorCreate(size_t writableSpace, size_t readableSpace);

void FIRCLSAllocatorDestroy(FIRCLSAllocatorRef allocator);

bool FIRCLSAllocatorProtect(FIRCLSAllocatorRef allocator);

bool FIRCLSAllocatorUnprotect(FIRCLSAllocatorRef allocator);

void* FIRCLSAllocatorSafeAllocate(FIRCLSAllocatorRef allocator,

                                  size_t size,

                                  FIRCLSAllocationType type);

const char* FIRCLSAllocatorSafeStrdup(FIRCLSAllocatorRef allocator, const char* string);

void FIRCLSAllocatorFree(FIRCLSAllocatorRef allocator, void* ptr);