src/core/SkMalloc.cpp

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.

#include "include/private/SkMalloc.h"

#include "src/core/SkSafeMath.h"

void* sk_calloc_throw(size_t count, size_t elemSize) {
    return sk_calloc_throw(SkSafeMath::Mul(count, elemSize));
}

void* sk_malloc_throw(size_t count, size_t elemSize) {
    return sk_malloc_throw(SkSafeMath::Mul(count, elemSize));
}

void* sk_realloc_throw(void* buffer, size_t count, size_t elemSize) {
    return sk_realloc_throw(buffer, SkSafeMath::Mul(count, elemSize));
}

void* sk_malloc_canfail(size_t count, size_t elemSize) {
    return sk_malloc_canfail(SkSafeMath::Mul(count, elemSize));
}

size_t sk_malloc_usable_size(void* buffer) {
    // Since sk_malloc() can be overridden by clients, there is no guarantee
    // that the memory allocated with it comes from malloc(). So the default
    // implementation can only return 0 to signal that generic support is not
    // possible.
    return 0;
}