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allocator_shim_override_mac_symbols.h
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allocator_shim_override_mac_symbols.h
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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef BASE_ALLOCATOR_ALLOCATOR_SHIM_OVERRIDE_MAC_SYMBOLS_H_
#error This header is meant to be included only once by allocator_shim.cc
#endif
#define BASE_ALLOCATOR_ALLOCATOR_SHIM_OVERRIDE_MAC_SYMBOLS_H_
#include "base/allocator/malloc_zone_functions_mac.h"
#include "third_party/apple_apsl/malloc.h"
namespace base {
namespace allocator {
MallocZoneFunctions MallocZoneFunctionsToReplaceDefault() {
MallocZoneFunctions new_functions;
memset(&new_functions, 0, sizeof(MallocZoneFunctions));
new_functions.size = [](malloc_zone_t* zone, const void* ptr) -> size_t {
return ShimGetSizeEstimate(ptr, zone);
};
new_functions.malloc = [](malloc_zone_t* zone, size_t size) -> void* {
return ShimMalloc(size, zone);
};
new_functions.calloc = [](malloc_zone_t* zone, size_t n,
size_t size) -> void* {
return ShimCalloc(n, size, zone);
};
new_functions.valloc = [](malloc_zone_t* zone, size_t size) -> void* {
return ShimValloc(size, zone);
};
new_functions.free = [](malloc_zone_t* zone, void* ptr) {
ShimFree(ptr, zone);
};
new_functions.realloc = [](malloc_zone_t* zone, void* ptr,
size_t size) -> void* {
return ShimRealloc(ptr, size, zone);
};
new_functions.batch_malloc = [](struct _malloc_zone_t* zone, size_t size,
void** results,
unsigned num_requested) -> unsigned {
return ShimBatchMalloc(size, results, num_requested, zone);
};
new_functions.batch_free = [](struct _malloc_zone_t* zone, void** to_be_freed,
unsigned num_to_be_freed) -> void {
ShimBatchFree(to_be_freed, num_to_be_freed, zone);
};
new_functions.memalign = [](malloc_zone_t* zone, size_t alignment,
size_t size) -> void* {
return ShimMemalign(alignment, size, zone);
};
new_functions.free_definite_size = [](malloc_zone_t* zone, void* ptr,
size_t size) {
ShimFreeDefiniteSize(ptr, size, zone);
};
return new_functions;
}
} // namespace allocator
} // namespace base