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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#ifndef ZERO_H
#define ZERO_H
#include "Globals.h"
#include "mozjemalloc.h"
#include <string.h>
namespace mozilla {
static inline void MaybePoison(void* aPtr, size_t aSize) {
size_t size;
switch (opt_poison) {
case NONE:
return;
case SOME:
size = std::min(aSize, opt_poison_size);
break;
case ALL:
size = aSize;
break;
}
MOZ_ASSERT(size != 0 && size <= aSize);
memset(aPtr, kAllocPoison, size);
}
// Fill the given range of memory with zeroes or junk depending on opt_junk and
// opt_zero.
static inline void ApplyZeroOrJunk(void* aPtr, size_t aSize) {
if (opt_junk) {
memset(aPtr, kAllocJunk, aSize);
} else if (opt_zero) {
memset(aPtr, 0, aSize);
}
}
} // namespace mozilla
#endif // ! ZERO_H