49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
// Copyright 2019 Google
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "Crashlytics/Crashlytics/Helpers/FIRCLSFeatures.h"
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#pragma once
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#include <stdbool.h>
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#include <sys/types.h>
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typedef enum { CLS_READONLY = 0, CLS_READWRITE = 1 } FIRCLSAllocationType;
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typedef struct {
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size_t size;
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void* start;
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_Atomic(void*) volatile cursor;
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} FIRCLSAllocationRegion;
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typedef struct {
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void* buffer;
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bool protectionEnabled;
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FIRCLSAllocationRegion writeableRegion;
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FIRCLSAllocationRegion readableRegion;
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} FIRCLSAllocator;
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typedef FIRCLSAllocator* FIRCLSAllocatorRef;
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FIRCLSAllocatorRef FIRCLSAllocatorCreate(size_t writableSpace, size_t readableSpace);
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void FIRCLSAllocatorDestroy(FIRCLSAllocatorRef allocator);
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bool FIRCLSAllocatorProtect(FIRCLSAllocatorRef allocator);
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bool FIRCLSAllocatorUnprotect(FIRCLSAllocatorRef allocator);
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void* FIRCLSAllocatorSafeAllocate(FIRCLSAllocatorRef allocator,
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size_t size,
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FIRCLSAllocationType type);
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const char* FIRCLSAllocatorSafeStrdup(FIRCLSAllocatorRef allocator, const char* string);
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void FIRCLSAllocatorFree(FIRCLSAllocatorRef allocator, void* ptr);
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