Globals.cpp - mozsearch

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/* 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

 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */

#include "Globals.h"

#ifdef XP_WIN

#  include <processenv.h>

#endif

// ***************************************************************************

// Constants defining allocator size classes and behavior.

namespace mozilla {

#ifndef MALLOC_STATIC_PAGESIZE

#  define GLOBAL(type, name, value) type name;

#  define GLOBAL_ASSERT(...)

#  include "Globals_inc.h"

#  undef GLOBAL_ASSERT

#  undef GLOBAL

size_t gRealPageSize = 0;

size_t gPageSize = 0;

void DefineGlobals() {

#  define GLOBAL(type, name, value) name = value;

#  define GLOBAL_LOG2 mozilla::FloorLog2

#  define GLOBAL_ASSERT MOZ_RELEASE_ASSERT

#  define GLOBAL_CONSTEXPR

#  include "Globals_inc.h"

#  undef GLOBAL_CONSTEXPR

#  undef GLOBAL_ASSERT

#  undef GLOBAL_LOG2

#  undef GLOBAL

#endif

#ifdef XP_WIN

// Implement getenv without using malloc.

static char mozillaMallocOptionsBuf[64];

#  define getenv xgetenv

static char* getenv(const char* name) {

  if (GetEnvironmentVariableA(name, mozillaMallocOptionsBuf,

                              sizeof(mozillaMallocOptionsBuf)) > 0) {

    return mozillaMallocOptionsBuf;

  return nullptr;

#endif

// *****************************

// Runtime configuration options.

size_t opt_dirty_max = DIRTY_MAX_DEFAULT;

#ifdef MALLOC_RUNTIME_CONFIG

bool opt_junk = OPT_JUNK_DEFAULT;

bool opt_zero = OPT_ZERO_DEFAULT;

PoisonType opt_poison = OPT_POISON_DEFAULT;

size_t opt_poison_size = OPT_POISON_SIZE_DEFAULT;

#endif

bool opt_randomize_small = true;

}  // namespace mozilla