Imported from /home/lorry/working-area/delta_php2/php-5.4.13.tar.bz2.HEADphp-5.4.13master

1 files changed, 2761 insertions, 0 deletions

diff --git a/Zend/zend_alloc.c b/Zend/zend_alloc.c
new file mode 100644
index 0000000..605e396
--- /dev/null
+++ b/Zend/zend_alloc.c
@@ -0,0 +1,2761 @@
+/*
+   +----------------------------------------------------------------------+
+   | Zend Engine                                                          |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1998-2013 Zend Technologies Ltd. (http://www.zend.com) |
+   +----------------------------------------------------------------------+
+   | This source file is subject to version 2.00 of the Zend license,     |
+   | that is bundled with this package in the file LICENSE, and is        |
+   | available through the world-wide-web at the following url:           |
+   | http://www.zend.com/license/2_00.txt.                                |
+   | If you did not receive a copy of the Zend license and are unable to  |
+   | obtain it through the world-wide-web, please send a note to          |
+   | license@zend.com so we can mail you a copy immediately.              |
+   +----------------------------------------------------------------------+
+   | Authors: Andi Gutmans <andi@zend.com>                                |
+   |          Zeev Suraski <zeev@zend.com>                                |
+   |          Dmitry Stogov <dmitry@zend.com>                             |
+   +----------------------------------------------------------------------+
+*/
+
+/* $Id$ */
+
+#include "zend.h"
+#include "zend_alloc.h"
+#include "zend_globals.h"
+#include "zend_operators.h"
+
+#ifdef HAVE_SIGNAL_H
+# include <signal.h>
+#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#ifdef ZEND_WIN32
+# include <wincrypt.h>
+# include <process.h>
+#endif
+
+#ifndef ZEND_MM_HEAP_PROTECTION
+# define ZEND_MM_HEAP_PROTECTION ZEND_DEBUG
+#endif
+
+#ifndef ZEND_MM_SAFE_UNLINKING
+# define ZEND_MM_SAFE_UNLINKING 1
+#endif
+
+#ifndef ZEND_MM_COOKIES
+# define ZEND_MM_COOKIES ZEND_DEBUG
+#endif
+
+#ifdef _WIN64
+# define PTR_FMT "0x%0.16I64x"
+/*
+#elif sizeof(long) == 8
+# define PTR_FMT "0x%0.16lx"
+*/
+#else
+# define PTR_FMT "0x%0.8lx"
+#endif
+
+#if ZEND_DEBUG
+void zend_debug_alloc_output(char *format, ...)
+{
+	char output_buf[256];
+	va_list args;
+
+	va_start(args, format);
+	vsprintf(output_buf, format, args);
+	va_end(args);
+
+#ifdef ZEND_WIN32
+	OutputDebugString(output_buf);
+#else
+	fprintf(stderr, "%s", output_buf);
+#endif
+}
+#endif
+
+#if (defined (__GNUC__) && __GNUC__ > 2 ) && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX)
+static void zend_mm_panic(const char *message) __attribute__ ((noreturn));
+#endif
+
+static void zend_mm_panic(const char *message)
+{
+	fprintf(stderr, "%s\n", message);
+/* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+	fflush(stderr);
+#endif
+#if ZEND_DEBUG && defined(HAVE_KILL) && defined(HAVE_GETPID)
+	kill(getpid(), SIGSEGV);
+#endif
+	exit(1);
+}
+
+/*******************/
+/* Storage Manager */
+/*******************/
+
+#ifdef ZEND_WIN32
+#  define HAVE_MEM_WIN32    /* use VirtualAlloc() to allocate memory     */
+#endif
+#define HAVE_MEM_MALLOC     /* use malloc() to allocate segments         */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_LIMITS_H
+#include <limits.h>
+#endif
+#include <fcntl.h>
+#include <errno.h>
+
+#if defined(HAVE_MEM_MMAP_ANON) || defined(HAVE_MEM_MMAP_ZERO)
+# ifdef HAVE_MREMAP
+#  ifndef _GNU_SOURCE
+#   define _GNU_SOURCE
+#  endif
+#  ifndef __USE_GNU
+#   define __USE_GNU
+#  endif
+# endif
+# include <sys/mman.h>
+# ifndef MAP_ANON
+#  ifdef MAP_ANONYMOUS
+#   define MAP_ANON MAP_ANONYMOUS
+#  endif
+# endif
+# ifndef MREMAP_MAYMOVE
+#  define MREMAP_MAYMOVE 0
+# endif
+# ifndef MAP_FAILED
+#  define MAP_FAILED ((void*)-1)
+# endif
+#endif
+
+static zend_mm_storage* zend_mm_mem_dummy_init(void *params)
+{
+	return malloc(sizeof(zend_mm_storage));
+}
+
+static void zend_mm_mem_dummy_dtor(zend_mm_storage *storage)
+{
+	free(storage);
+}
+
+static void zend_mm_mem_dummy_compact(zend_mm_storage *storage)
+{
+}
+
+#if defined(HAVE_MEM_MMAP_ANON) || defined(HAVE_MEM_MMAP_ZERO)
+
+static zend_mm_segment* zend_mm_mem_mmap_realloc(zend_mm_storage *storage, zend_mm_segment* segment, size_t size)
+{
+	zend_mm_segment *ret;
+#ifdef HAVE_MREMAP
+#if defined(__NetBSD__)
+	/* NetBSD 5 supports mremap but takes an extra newp argument */
+	ret = (zend_mm_segment*)mremap(segment, segment->size, segment, size, MREMAP_MAYMOVE);
+#else
+	ret = (zend_mm_segment*)mremap(segment, segment->size, size, MREMAP_MAYMOVE);
+#endif
+	if (ret == MAP_FAILED) {
+#endif
+		ret = storage->handlers->_alloc(storage, size);
+		if (ret) {
+			memcpy(ret, segment, size > segment->size ? segment->size : size);
+			storage->handlers->_free(storage, segment);
+		}
+#ifdef HAVE_MREMAP
+	}
+#endif
+	return ret;
+}
+
+static void zend_mm_mem_mmap_free(zend_mm_storage *storage, zend_mm_segment* segment)
+{
+	munmap((void*)segment, segment->size);
+}
+
+#endif
+
+#ifdef HAVE_MEM_MMAP_ANON
+
+static zend_mm_segment* zend_mm_mem_mmap_anon_alloc(zend_mm_storage *storage, size_t size)
+{
+	zend_mm_segment *ret = (zend_mm_segment*)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0);
+	if (ret == MAP_FAILED) {
+		ret = NULL;
+	}
+	return ret;
+}
+
+# define ZEND_MM_MEM_MMAP_ANON_DSC {"mmap_anon", zend_mm_mem_dummy_init, zend_mm_mem_dummy_dtor, zend_mm_mem_dummy_compact, zend_mm_mem_mmap_anon_alloc, zend_mm_mem_mmap_realloc, zend_mm_mem_mmap_free}
+
+#endif
+
+#ifdef HAVE_MEM_MMAP_ZERO
+
+static int zend_mm_dev_zero_fd = -1;
+
+static zend_mm_storage* zend_mm_mem_mmap_zero_init(void *params)
+{
+	if (zend_mm_dev_zero_fd != -1) {
+		zend_mm_dev_zero_fd = open("/dev/zero", O_RDWR, S_IRUSR | S_IWUSR);
+	}
+	if (zend_mm_dev_zero_fd >= 0) {
+		return malloc(sizeof(zend_mm_storage));
+	} else {
+		return NULL;
+	}
+}
+
+static void zend_mm_mem_mmap_zero_dtor(zend_mm_storage *storage)
+{
+	close(zend_mm_dev_zero_fd);
+	free(storage);
+}
+
+static zend_mm_segment* zend_mm_mem_mmap_zero_alloc(zend_mm_storage *storage, size_t size)
+{
+	zend_mm_segment *ret = (zend_mm_segment*)mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE, zend_mm_dev_zero_fd, 0);
+	if (ret == MAP_FAILED) {
+		ret = NULL;
+	}
+	return ret;
+}
+
+# define ZEND_MM_MEM_MMAP_ZERO_DSC {"mmap_zero", zend_mm_mem_mmap_zero_init, zend_mm_mem_mmap_zero_dtor, zend_mm_mem_dummy_compact, zend_mm_mem_mmap_zero_alloc, zend_mm_mem_mmap_realloc, zend_mm_mem_mmap_free}
+
+#endif
+
+#ifdef HAVE_MEM_WIN32
+
+static zend_mm_storage* zend_mm_mem_win32_init(void *params)
+{
+	HANDLE heap = HeapCreate(HEAP_NO_SERIALIZE, 0, 0);
+	zend_mm_storage* storage;
+
+	if (heap == NULL) {
+		return NULL;
+	}
+	storage = (zend_mm_storage*)malloc(sizeof(zend_mm_storage));
+	if (storage == NULL) {
+		HeapDestroy(heap);
+		return NULL;
+	}
+	storage->data = (void*) heap;
+	return storage;
+}
+
+static void zend_mm_mem_win32_dtor(zend_mm_storage *storage)
+{
+	HeapDestroy((HANDLE)storage->data);
+	free(storage);
+}
+
+static void zend_mm_mem_win32_compact(zend_mm_storage *storage)
+{
+    HeapDestroy((HANDLE)storage->data);
+    storage->data = (void*)HeapCreate(HEAP_NO_SERIALIZE, 0, 0);
+}
+
+static zend_mm_segment* zend_mm_mem_win32_alloc(zend_mm_storage *storage, size_t size)
+{
+	return (zend_mm_segment*) HeapAlloc((HANDLE)storage->data, HEAP_NO_SERIALIZE, size);
+}
+
+static void zend_mm_mem_win32_free(zend_mm_storage *storage, zend_mm_segment* segment)
+{
+	HeapFree((HANDLE)storage->data, HEAP_NO_SERIALIZE, segment);
+}
+
+static zend_mm_segment* zend_mm_mem_win32_realloc(zend_mm_storage *storage, zend_mm_segment* segment, size_t size)
+{
+	return (zend_mm_segment*) HeapReAlloc((HANDLE)storage->data, HEAP_NO_SERIALIZE, segment, size);
+}
+
+# define ZEND_MM_MEM_WIN32_DSC {"win32", zend_mm_mem_win32_init, zend_mm_mem_win32_dtor, zend_mm_mem_win32_compact, zend_mm_mem_win32_alloc, zend_mm_mem_win32_realloc, zend_mm_mem_win32_free}
+
+#endif
+
+#ifdef HAVE_MEM_MALLOC
+
+static zend_mm_segment* zend_mm_mem_malloc_alloc(zend_mm_storage *storage, size_t size)
+{
+	return (zend_mm_segment*)malloc(size);
+}
+
+static zend_mm_segment* zend_mm_mem_malloc_realloc(zend_mm_storage *storage, zend_mm_segment *ptr, size_t size)
+{
+	return (zend_mm_segment*)realloc(ptr, size);
+}
+
+static void zend_mm_mem_malloc_free(zend_mm_storage *storage, zend_mm_segment *ptr)
+{
+	free(ptr);
+}
+
+# define ZEND_MM_MEM_MALLOC_DSC {"malloc", zend_mm_mem_dummy_init, zend_mm_mem_dummy_dtor, zend_mm_mem_dummy_compact, zend_mm_mem_malloc_alloc, zend_mm_mem_malloc_realloc, zend_mm_mem_malloc_free}
+
+#endif
+
+static const zend_mm_mem_handlers mem_handlers[] = {
+#ifdef HAVE_MEM_WIN32
+	ZEND_MM_MEM_WIN32_DSC,
+#endif
+#ifdef HAVE_MEM_MALLOC
+	ZEND_MM_MEM_MALLOC_DSC,
+#endif
+#ifdef HAVE_MEM_MMAP_ANON
+	ZEND_MM_MEM_MMAP_ANON_DSC,
+#endif
+#ifdef HAVE_MEM_MMAP_ZERO
+	ZEND_MM_MEM_MMAP_ZERO_DSC,
+#endif
+	{NULL, NULL, NULL, NULL, NULL, NULL}
+};
+
+# define ZEND_MM_STORAGE_DTOR()						heap->storage->handlers->dtor(heap->storage)
+# define ZEND_MM_STORAGE_ALLOC(size)				heap->storage->handlers->_alloc(heap->storage, size)
+# define ZEND_MM_STORAGE_REALLOC(ptr, size)			heap->storage->handlers->_realloc(heap->storage, ptr, size)
+# define ZEND_MM_STORAGE_FREE(ptr)					heap->storage->handlers->_free(heap->storage, ptr)
+
+/****************/
+/* Heap Manager */
+/****************/
+
+#define MEM_BLOCK_VALID  0x7312F8DC
+#define	MEM_BLOCK_FREED  0x99954317
+#define	MEM_BLOCK_CACHED 0xFB8277DC
+#define	MEM_BLOCK_GUARD  0x2A8FCC84
+#define	MEM_BLOCK_LEAK   0x6C5E8F2D
+
+/* mm block type */
+typedef struct _zend_mm_block_info {
+#if ZEND_MM_COOKIES
+	size_t _cookie;
+#endif
+	size_t _size;
+	size_t _prev;
+} zend_mm_block_info;
+
+#if ZEND_DEBUG
+
+typedef struct _zend_mm_debug_info {
+	const char *filename;
+	uint lineno;
+	const char *orig_filename;
+	uint orig_lineno;
+	size_t size;
+#if ZEND_MM_HEAP_PROTECTION
+	unsigned int start_magic;
+#endif
+} zend_mm_debug_info;
+
+#elif ZEND_MM_HEAP_PROTECTION
+
+typedef struct _zend_mm_debug_info {
+	size_t size;
+	unsigned int start_magic;
+} zend_mm_debug_info;
+
+#endif
+
+typedef struct _zend_mm_block {
+	zend_mm_block_info info;
+#if ZEND_DEBUG
+	unsigned int magic;
+# ifdef ZTS
+	THREAD_T thread_id;
+# endif
+	zend_mm_debug_info debug;
+#elif ZEND_MM_HEAP_PROTECTION
+	zend_mm_debug_info debug;
+#endif
+} zend_mm_block;
+
+typedef struct _zend_mm_small_free_block {
+	zend_mm_block_info info;
+#if ZEND_DEBUG
+	unsigned int magic;
+# ifdef ZTS
+	THREAD_T thread_id;
+# endif
+#endif
+	struct _zend_mm_free_block *prev_free_block;
+	struct _zend_mm_free_block *next_free_block;
+} zend_mm_small_free_block;
+
+typedef struct _zend_mm_free_block {
+	zend_mm_block_info info;
+#if ZEND_DEBUG
+	unsigned int magic;
+# ifdef ZTS
+	THREAD_T thread_id;
+# endif
+#endif
+	struct _zend_mm_free_block *prev_free_block;
+	struct _zend_mm_free_block *next_free_block;
+
+	struct _zend_mm_free_block **parent;
+	struct _zend_mm_free_block *child[2];
+} zend_mm_free_block;
+
+#define ZEND_MM_NUM_BUCKETS (sizeof(size_t) << 3)
+
+#define ZEND_MM_CACHE 1
+#define ZEND_MM_CACHE_SIZE (ZEND_MM_NUM_BUCKETS * 4 * 1024)
+
+#ifndef ZEND_MM_CACHE_STAT
+# define ZEND_MM_CACHE_STAT 0
+#endif
+
+struct _zend_mm_heap {
+	int                 use_zend_alloc;
+	void               *(*_malloc)(size_t);
+	void                (*_free)(void*);
+	void               *(*_realloc)(void*, size_t);
+	size_t              free_bitmap;
+	size_t              large_free_bitmap;
+	size_t              block_size;
+	size_t              compact_size;
+	zend_mm_segment    *segments_list;
+	zend_mm_storage    *storage;
+	size_t              real_size;
+	size_t              real_peak;
+	size_t              limit;
+	size_t              size;
+	size_t              peak;
+	size_t              reserve_size;
+	void               *reserve;
+	int                 overflow;
+	int                 internal;
+#if ZEND_MM_CACHE
+	unsigned int        cached;
+	zend_mm_free_block *cache[ZEND_MM_NUM_BUCKETS];
+#endif
+	zend_mm_free_block *free_buckets[ZEND_MM_NUM_BUCKETS*2];
+	zend_mm_free_block *large_free_buckets[ZEND_MM_NUM_BUCKETS];
+	zend_mm_free_block *rest_buckets[2];
+	int                 rest_count;
+#if ZEND_MM_CACHE_STAT
+	struct {
+		int count;
+		int max_count;
+		int hit;
+		int miss;
+	} cache_stat[ZEND_MM_NUM_BUCKETS+1];
+#endif
+};
+
+#define ZEND_MM_SMALL_FREE_BUCKET(heap, index) \
+	(zend_mm_free_block*) ((char*)&heap->free_buckets[index * 2] + \
+		sizeof(zend_mm_free_block*) * 2 - \
+		sizeof(zend_mm_small_free_block))
+
+#define ZEND_MM_REST_BUCKET(heap) \
+	(zend_mm_free_block*)((char*)&heap->rest_buckets[0] + \
+		sizeof(zend_mm_free_block*) * 2 - \
+		sizeof(zend_mm_small_free_block))
+
+#define ZEND_MM_REST_BLOCK ((zend_mm_free_block**)(zend_uintptr_t)(1))
+
+#define ZEND_MM_MAX_REST_BLOCKS 16
+
+#if ZEND_MM_COOKIES
+
+static unsigned int _zend_mm_cookie = 0;
+
+# define ZEND_MM_COOKIE(block) \
+	(((size_t)(block)) ^ _zend_mm_cookie)
+# define ZEND_MM_SET_COOKIE(block) \
+	(block)->info._cookie = ZEND_MM_COOKIE(block)
+# define ZEND_MM_CHECK_COOKIE(block) \
+	if (UNEXPECTED((block)->info._cookie != ZEND_MM_COOKIE(block))) { \
+		zend_mm_panic("zend_mm_heap corrupted"); \
+	}
+#else
+# define ZEND_MM_SET_COOKIE(block)
+# define ZEND_MM_CHECK_COOKIE(block)
+#endif
+
+/* Default memory segment size */
+#define ZEND_MM_SEG_SIZE   (256 * 1024)
+
+/* Reserved space for error reporting in case of memory overflow */
+#define ZEND_MM_RESERVE_SIZE            (8*1024)
+
+#ifdef _WIN64
+# define ZEND_MM_LONG_CONST(x)	(x##i64)
+#else
+# define ZEND_MM_LONG_CONST(x)	(x##L)
+#endif
+
+#define ZEND_MM_TYPE_MASK		ZEND_MM_LONG_CONST(0x3)
+
+#define ZEND_MM_FREE_BLOCK		ZEND_MM_LONG_CONST(0x0)
+#define ZEND_MM_USED_BLOCK		ZEND_MM_LONG_CONST(0x1)
+#define ZEND_MM_GUARD_BLOCK		ZEND_MM_LONG_CONST(0x3)
+
+#define ZEND_MM_BLOCK(b, type, size)	do { \
+											size_t _size = (size); \
+											(b)->info._size = (type) | _size; \
+											ZEND_MM_BLOCK_AT(b, _size)->info._prev = (type) | _size; \
+											ZEND_MM_SET_COOKIE(b); \
+										} while (0);
+#define ZEND_MM_LAST_BLOCK(b)			do { \
+		(b)->info._size = ZEND_MM_GUARD_BLOCK | ZEND_MM_ALIGNED_HEADER_SIZE; \
+		ZEND_MM_SET_MAGIC(b, MEM_BLOCK_GUARD); \
+ 	} while (0);
+#define ZEND_MM_BLOCK_SIZE(b)			((b)->info._size & ~ZEND_MM_TYPE_MASK)
+#define ZEND_MM_IS_FREE_BLOCK(b)		(!((b)->info._size & ZEND_MM_USED_BLOCK))
+#define ZEND_MM_IS_USED_BLOCK(b)		((b)->info._size & ZEND_MM_USED_BLOCK)
+#define ZEND_MM_IS_GUARD_BLOCK(b)		(((b)->info._size & ZEND_MM_TYPE_MASK) == ZEND_MM_GUARD_BLOCK)
+
+#define ZEND_MM_NEXT_BLOCK(b)			ZEND_MM_BLOCK_AT(b, ZEND_MM_BLOCK_SIZE(b))
+#define ZEND_MM_PREV_BLOCK(b)			ZEND_MM_BLOCK_AT(b, -(ssize_t)((b)->info._prev & ~ZEND_MM_TYPE_MASK))
+
+#define ZEND_MM_PREV_BLOCK_IS_FREE(b)	(!((b)->info._prev & ZEND_MM_USED_BLOCK))
+
+#define ZEND_MM_MARK_FIRST_BLOCK(b)		((b)->info._prev = ZEND_MM_GUARD_BLOCK)
+#define ZEND_MM_IS_FIRST_BLOCK(b)		((b)->info._prev == ZEND_MM_GUARD_BLOCK)
+
+/* optimized access */
+#define ZEND_MM_FREE_BLOCK_SIZE(b)		(b)->info._size
+
+/* Aligned header size */
+#define ZEND_MM_ALIGNED_HEADER_SIZE			ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_block))
+#define ZEND_MM_ALIGNED_FREE_HEADER_SIZE	ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_small_free_block))
+#define ZEND_MM_MIN_ALLOC_BLOCK_SIZE		ZEND_MM_ALIGNED_SIZE(ZEND_MM_ALIGNED_HEADER_SIZE + END_MAGIC_SIZE)
+#define ZEND_MM_ALIGNED_MIN_HEADER_SIZE		(ZEND_MM_MIN_ALLOC_BLOCK_SIZE>ZEND_MM_ALIGNED_FREE_HEADER_SIZE?ZEND_MM_MIN_ALLOC_BLOCK_SIZE:ZEND_MM_ALIGNED_FREE_HEADER_SIZE)
+#define ZEND_MM_ALIGNED_SEGMENT_SIZE		ZEND_MM_ALIGNED_SIZE(sizeof(zend_mm_segment))
+
+#define ZEND_MM_MIN_SIZE					((ZEND_MM_ALIGNED_MIN_HEADER_SIZE>(ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE))?(ZEND_MM_ALIGNED_MIN_HEADER_SIZE-(ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE)):0)
+
+#define ZEND_MM_MAX_SMALL_SIZE				((ZEND_MM_NUM_BUCKETS<<ZEND_MM_ALIGNMENT_LOG2)+ZEND_MM_ALIGNED_MIN_HEADER_SIZE)
+
+#define ZEND_MM_TRUE_SIZE(size)				((size<ZEND_MM_MIN_SIZE)?(ZEND_MM_ALIGNED_MIN_HEADER_SIZE):(ZEND_MM_ALIGNED_SIZE(size+ZEND_MM_ALIGNED_HEADER_SIZE+END_MAGIC_SIZE)))
+
+#define ZEND_MM_BUCKET_INDEX(true_size)		((true_size>>ZEND_MM_ALIGNMENT_LOG2)-(ZEND_MM_ALIGNED_MIN_HEADER_SIZE>>ZEND_MM_ALIGNMENT_LOG2))
+
+#define ZEND_MM_SMALL_SIZE(true_size)		(true_size < ZEND_MM_MAX_SMALL_SIZE)
+
+/* Memory calculations */
+#define ZEND_MM_BLOCK_AT(blk, offset)	((zend_mm_block *) (((char *) (blk))+(offset)))
+#define ZEND_MM_DATA_OF(p)				((void *) (((char *) (p))+ZEND_MM_ALIGNED_HEADER_SIZE))
+#define ZEND_MM_HEADER_OF(blk)			ZEND_MM_BLOCK_AT(blk, -(int)ZEND_MM_ALIGNED_HEADER_SIZE)
+
+/* Debug output */
+#if ZEND_DEBUG
+
+# ifdef ZTS
+#  define ZEND_MM_SET_THREAD_ID(block) \
+	((zend_mm_block*)(block))->thread_id = tsrm_thread_id()
+#  define ZEND_MM_BAD_THREAD_ID(block) ((block)->thread_id != tsrm_thread_id())
+# else
+#  define ZEND_MM_SET_THREAD_ID(block)
+#  define ZEND_MM_BAD_THREAD_ID(block) 0
+# endif
+
+# define ZEND_MM_VALID_PTR(block) \
+	zend_mm_check_ptr(heap, block, 1 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC)
+
+# define ZEND_MM_SET_MAGIC(block, val) do { \
+		(block)->magic = (val); \
+	} while (0)
+
+# define ZEND_MM_CHECK_MAGIC(block, val) do { \
+		if ((block)->magic != (val)) { \
+			zend_mm_panic("zend_mm_heap corrupted"); \
+		} \
+	} while (0)
+
+# define ZEND_MM_SET_DEBUG_INFO(block, __size, set_valid, set_thread) do { \
+		((zend_mm_block*)(block))->debug.filename = __zend_filename; \
+		((zend_mm_block*)(block))->debug.lineno = __zend_lineno; \
+		((zend_mm_block*)(block))->debug.orig_filename = __zend_orig_filename; \
+		((zend_mm_block*)(block))->debug.orig_lineno = __zend_orig_lineno; \
+		ZEND_MM_SET_BLOCK_SIZE(block, __size); \
+		if (set_valid) { \
+			ZEND_MM_SET_MAGIC(block, MEM_BLOCK_VALID); \
+		} \
+		if (set_thread) { \
+			ZEND_MM_SET_THREAD_ID(block); \
+		} \
+	} while (0)
+
+#else
+
+# define ZEND_MM_VALID_PTR(ptr) EXPECTED(ptr != NULL)
+
+# define ZEND_MM_SET_MAGIC(block, val)
+
+# define ZEND_MM_CHECK_MAGIC(block, val)
+
+# define ZEND_MM_SET_DEBUG_INFO(block, __size, set_valid, set_thread) ZEND_MM_SET_BLOCK_SIZE(block, __size)
+
+#endif
+
+
+#if ZEND_MM_HEAP_PROTECTION
+
+# define ZEND_MM_CHECK_PROTECTION(block) \
+	do { \
+		if ((block)->debug.start_magic != _mem_block_start_magic || \
+		    memcmp(ZEND_MM_END_MAGIC_PTR(block), &_mem_block_end_magic, END_MAGIC_SIZE) != 0) { \
+		    zend_mm_panic("zend_mm_heap corrupted"); \
+		} \
+	} while (0)
+
+# define ZEND_MM_END_MAGIC_PTR(block) \
+	(((char*)(ZEND_MM_DATA_OF(block))) + ((zend_mm_block*)(block))->debug.size)
+
+# define END_MAGIC_SIZE sizeof(unsigned int)
+
+# define ZEND_MM_SET_BLOCK_SIZE(block, __size) do { \
+		char *p; \
+		((zend_mm_block*)(block))->debug.size = (__size); \
+		p = ZEND_MM_END_MAGIC_PTR(block); \
+		((zend_mm_block*)(block))->debug.start_magic = _mem_block_start_magic; \
+		memcpy(p, &_mem_block_end_magic, END_MAGIC_SIZE); \
+	} while (0)
+
+static unsigned int _mem_block_start_magic = 0;
+static unsigned int _mem_block_end_magic   = 0;
+
+#else
+
+# if ZEND_DEBUG
+#  define ZEND_MM_SET_BLOCK_SIZE(block, _size) \
+	((zend_mm_block*)(block))->debug.size = (_size)
+# else
+#  define ZEND_MM_SET_BLOCK_SIZE(block, _size)
+# endif
+
+# define ZEND_MM_CHECK_PROTECTION(block)
+
+# define END_MAGIC_SIZE 0
+
+#endif
+
+#if ZEND_MM_SAFE_UNLINKING
+# define ZEND_MM_CHECK_BLOCK_LINKAGE(block) \
+	if (UNEXPECTED((block)->info._size != ZEND_MM_BLOCK_AT(block, ZEND_MM_FREE_BLOCK_SIZE(block))->info._prev) || \
+		UNEXPECTED(!UNEXPECTED(ZEND_MM_IS_FIRST_BLOCK(block)) && \
+	    UNEXPECTED(ZEND_MM_PREV_BLOCK(block)->info._size != (block)->info._prev))) { \
+	    zend_mm_panic("zend_mm_heap corrupted"); \
+	}
+#define ZEND_MM_CHECK_TREE(block) \
+	if (UNEXPECTED(*((block)->parent) != (block))) { \
+		zend_mm_panic("zend_mm_heap corrupted"); \
+	}
+#else
+# define ZEND_MM_CHECK_BLOCK_LINKAGE(block)
+# define ZEND_MM_CHECK_TREE(block)
+#endif
+
+#define ZEND_MM_LARGE_BUCKET_INDEX(S) zend_mm_high_bit(S)
+
+static void *_zend_mm_alloc_int(zend_mm_heap *heap, size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC) ZEND_ATTRIBUTE_MALLOC;
+static void _zend_mm_free_int(zend_mm_heap *heap, void *p ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC);
+static void *_zend_mm_realloc_int(zend_mm_heap *heap, void *p, size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC);
+
+static inline unsigned int zend_mm_high_bit(size_t _size)
+{
+#if defined(__GNUC__) && (defined(__native_client__) || defined(i386))
+	unsigned int n;
+
+	__asm__("bsrl %1,%0\n\t" : "=r" (n) : "rm"  (_size));
+	return n;
+#elif defined(__GNUC__) && defined(__x86_64__)
+	unsigned long n;
+
+        __asm__("bsrq %1,%0\n\t" : "=r" (n) : "rm"  (_size));
+        return (unsigned int)n;
+#elif defined(_MSC_VER) && defined(_M_IX86)
+	__asm {
+		bsr eax, _size
+	}
+#else
+	unsigned int n = 0;
+	while (_size != 0) {
+		_size = _size >> 1;
+		n++;
+	}
+	return n-1;
+#endif
+}
+
+static inline unsigned int zend_mm_low_bit(size_t _size)
+{
+#if defined(__GNUC__) && (defined(__native_client__) || defined(i386))
+	unsigned int n;
+
+	__asm__("bsfl %1,%0\n\t" : "=r" (n) : "rm"  (_size));
+	return n;
+#elif defined(__GNUC__) && defined(__x86_64__)
+        unsigned long n;
+
+        __asm__("bsfq %1,%0\n\t" : "=r" (n) : "rm"  (_size));
+        return (unsigned int)n;
+#elif defined(_MSC_VER) && defined(_M_IX86)
+	__asm {
+		bsf eax, _size
+   }
+#else
+	static const int offset[16] = {4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0};
+	unsigned int n;
+	unsigned int index = 0;
+
+	n = offset[_size & 15];
+	while (n == 4) {
+		_size >>= 4;
+		index += n;
+		n = offset[_size & 15];
+	}
+
+	return index + n;
+#endif
+}
+
+static inline void zend_mm_add_to_free_list(zend_mm_heap *heap, zend_mm_free_block *mm_block)
+{
+	size_t size;
+	size_t index;
+
+	ZEND_MM_SET_MAGIC(mm_block, MEM_BLOCK_FREED);
+
+	size = ZEND_MM_FREE_BLOCK_SIZE(mm_block);
+	if (EXPECTED(!ZEND_MM_SMALL_SIZE(size))) {
+		zend_mm_free_block **p;
+
+		index = ZEND_MM_LARGE_BUCKET_INDEX(size);
+		p = &heap->large_free_buckets[index];
+		mm_block->child[0] = mm_block->child[1] = NULL;
+		if (!*p) {
+			*p = mm_block;
+			mm_block->parent = p;
+			mm_block->prev_free_block = mm_block->next_free_block = mm_block;
+			heap->large_free_bitmap |= (ZEND_MM_LONG_CONST(1) << index);
+		} else {
+			size_t m;
+
+			for (m = size << (ZEND_MM_NUM_BUCKETS - index); ; m <<= 1) {
+				zend_mm_free_block *prev = *p;
+
+				if (ZEND_MM_FREE_BLOCK_SIZE(prev) != size) {
+					p = &prev->child[(m >> (ZEND_MM_NUM_BUCKETS-1)) & 1];
+					if (!*p) {
+						*p = mm_block;
+						mm_block->parent = p;
+						mm_block->prev_free_block = mm_block->next_free_block = mm_block;
+						break;
+					}
+				} else {
+					zend_mm_free_block *next = prev->next_free_block;
+
+					prev->next_free_block = next->prev_free_block = mm_block;
+					mm_block->next_free_block = next;
+					mm_block->prev_free_block = prev;
+					mm_block->parent = NULL;
+					break;
+				}
+			}
+		}
+	} else {
+		zend_mm_free_block *prev, *next;
+
+		index = ZEND_MM_BUCKET_INDEX(size);
+
+		prev = ZEND_MM_SMALL_FREE_BUCKET(heap, index);
+		if (prev->prev_free_block == prev) {
+			heap->free_bitmap |= (ZEND_MM_LONG_CONST(1) << index);
+		}
+		next = prev->next_free_block;
+
+		mm_block->prev_free_block = prev;
+		mm_block->next_free_block = next;
+		prev->next_free_block = next->prev_free_block = mm_block;
+	}
+}
+
+static inline void zend_mm_remove_from_free_list(zend_mm_heap *heap, zend_mm_free_block *mm_block)
+{
+	zend_mm_free_block *prev = mm_block->prev_free_block;
+	zend_mm_free_block *next = mm_block->next_free_block;
+
+	ZEND_MM_CHECK_MAGIC(mm_block, MEM_BLOCK_FREED);
+
+	if (EXPECTED(prev == mm_block)) {
+		zend_mm_free_block **rp, **cp;
+
+#if ZEND_MM_SAFE_UNLINKING
+		if (UNEXPECTED(next != mm_block)) {
+			zend_mm_panic("zend_mm_heap corrupted");
+		}
+#endif
+
+		rp = &mm_block->child[mm_block->child[1] != NULL];
+		prev = *rp;
+		if (EXPECTED(prev == NULL)) {
+			size_t index = ZEND_MM_LARGE_BUCKET_INDEX(ZEND_MM_FREE_BLOCK_SIZE(mm_block));
+
+			ZEND_MM_CHECK_TREE(mm_block);
+			*mm_block->parent = NULL;
+			if (mm_block->parent == &heap->large_free_buckets[index]) {
+				heap->large_free_bitmap &= ~(ZEND_MM_LONG_CONST(1) << index);
+		    }
+		} else {
+			while (*(cp = &(prev->child[prev->child[1] != NULL])) != NULL) {
+				prev = *cp;
+				rp = cp;
+			}
+			*rp = NULL;
+
+subst_block:
+			ZEND_MM_CHECK_TREE(mm_block);
+			*mm_block->parent = prev;
+			prev->parent = mm_block->parent;
+			if ((prev->child[0] = mm_block->child[0])) {
+				ZEND_MM_CHECK_TREE(prev->child[0]);
+				prev->child[0]->parent = &prev->child[0];
+			}
+			if ((prev->child[1] = mm_block->child[1])) {
+				ZEND_MM_CHECK_TREE(prev->child[1]);
+				prev->child[1]->parent = &prev->child[1];
+			}
+		}
+	} else {
+
+#if ZEND_MM_SAFE_UNLINKING
+		if (UNEXPECTED(prev->next_free_block != mm_block) || UNEXPECTED(next->prev_free_block != mm_block)) {
+			zend_mm_panic("zend_mm_heap corrupted");
+		}
+#endif
+
+		prev->next_free_block = next;
+		next->prev_free_block = prev;
+
+		if (EXPECTED(ZEND_MM_SMALL_SIZE(ZEND_MM_FREE_BLOCK_SIZE(mm_block)))) {
+			if (EXPECTED(prev == next)) {
+				size_t index = ZEND_MM_BUCKET_INDEX(ZEND_MM_FREE_BLOCK_SIZE(mm_block));
+
+				if (EXPECTED(heap->free_buckets[index*2] == heap->free_buckets[index*2+1])) {
+					heap->free_bitmap &= ~(ZEND_MM_LONG_CONST(1) << index);
+				}
+			}
+		} else if (UNEXPECTED(mm_block->parent == ZEND_MM_REST_BLOCK)) {
+			heap->rest_count--;
+		} else if (UNEXPECTED(mm_block->parent != NULL)) {
+			goto subst_block;
+		}
+	}
+}
+
+static inline void zend_mm_add_to_rest_list(zend_mm_heap *heap, zend_mm_free_block *mm_block)
+{
+	zend_mm_free_block *prev, *next;
+
+	while (heap->rest_count >= ZEND_MM_MAX_REST_BLOCKS) {
+		zend_mm_free_block *p = heap->rest_buckets[1];
+
+		if (!ZEND_MM_SMALL_SIZE(ZEND_MM_FREE_BLOCK_SIZE(p))) {
+			heap->rest_count--;
+		}
+		prev = p->prev_free_block;
+		next = p->next_free_block;
+		prev->next_free_block = next;
+		next->prev_free_block = prev;
+		zend_mm_add_to_free_list(heap, p);
+	}
+
+	if (!ZEND_MM_SMALL_SIZE(ZEND_MM_FREE_BLOCK_SIZE(mm_block))) {
+		mm_block->parent = ZEND_MM_REST_BLOCK;
+		heap->rest_count++;
+	}
+
+	ZEND_MM_SET_MAGIC(mm_block, MEM_BLOCK_FREED);
+
+	prev = heap->rest_buckets[0];
+	next = prev->next_free_block;
+	mm_block->prev_free_block = prev;
+	mm_block->next_free_block = next;
+	prev->next_free_block = next->prev_free_block = mm_block;
+}
+
+static inline void zend_mm_init(zend_mm_heap *heap)
+{
+	zend_mm_free_block* p;
+	int i;
+
+	heap->free_bitmap = 0;
+	heap->large_free_bitmap = 0;
+#if ZEND_MM_CACHE
+	heap->cached = 0;
+	memset(heap->cache, 0, sizeof(heap->cache));
+#endif
+#if ZEND_MM_CACHE_STAT
+	for (i = 0; i < ZEND_MM_NUM_BUCKETS; i++) {
+		heap->cache_stat[i].count = 0;
+	}
+#endif
+	p = ZEND_MM_SMALL_FREE_BUCKET(heap, 0);
+	for (i = 0; i < ZEND_MM_NUM_BUCKETS; i++) {
+		p->next_free_block = p;
+		p->prev_free_block = p;
+		p = (zend_mm_free_block*)((char*)p + sizeof(zend_mm_free_block*) * 2);
+		heap->large_free_buckets[i] = NULL;
+	}
+	heap->rest_buckets[0] = heap->rest_buckets[1] = ZEND_MM_REST_BUCKET(heap);
+	heap->rest_count = 0;
+}
+
+static void zend_mm_del_segment(zend_mm_heap *heap, zend_mm_segment *segment)
+{
+	zend_mm_segment **p = &heap->segments_list;
+
+	while (*p != segment) {
+		p = &(*p)->next_segment;
+	}
+	*p = segment->next_segment;
+	heap->real_size -= segment->size;
+	ZEND_MM_STORAGE_FREE(segment);
+}
+
+#if ZEND_MM_CACHE
+static void zend_mm_free_cache(zend_mm_heap *heap)
+{
+	int i;
+
+	for (i = 0; i < ZEND_MM_NUM_BUCKETS; i++) {
+		if (heap->cache[i]) {
+			zend_mm_free_block *mm_block = heap->cache[i];
+
+			while (mm_block) {
+				size_t size = ZEND_MM_BLOCK_SIZE(mm_block);
+				zend_mm_free_block *q = mm_block->prev_free_block;
+				zend_mm_block *next_block = ZEND_MM_NEXT_BLOCK(mm_block);
+
+				heap->cached -= size;
+
+				if (ZEND_MM_PREV_BLOCK_IS_FREE(mm_block)) {
+					mm_block = (zend_mm_free_block*)ZEND_MM_PREV_BLOCK(mm_block);
+					size += ZEND_MM_FREE_BLOCK_SIZE(mm_block);
+					zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) mm_block);
+				}
+				if (ZEND_MM_IS_FREE_BLOCK(next_block)) {
+					size += ZEND_MM_FREE_BLOCK_SIZE(next_block);
+					zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) next_block);
+				}
+				ZEND_MM_BLOCK(mm_block, ZEND_MM_FREE_BLOCK, size);
+
+				if (ZEND_MM_IS_FIRST_BLOCK(mm_block) &&
+				    ZEND_MM_IS_GUARD_BLOCK(ZEND_MM_NEXT_BLOCK(mm_block))) {
+					zend_mm_del_segment(heap, (zend_mm_segment *) ((char *)mm_block - ZEND_MM_ALIGNED_SEGMENT_SIZE));
+				} else {
+					zend_mm_add_to_free_list(heap, (zend_mm_free_block *) mm_block);
+				}
+
+				mm_block = q;
+			}
+			heap->cache[i] = NULL;
+#if ZEND_MM_CACHE_STAT
+			heap->cache_stat[i].count = 0;
+#endif
+		}
+	}
+}
+#endif
+
+#if ZEND_MM_HEAP_PROTECTION || ZEND_MM_COOKIES
+static void zend_mm_random(unsigned char *buf, size_t size) /* {{{ */
+{
+	size_t i = 0;
+	unsigned char t;
+
+#ifdef ZEND_WIN32
+	HCRYPTPROV   hCryptProv;
+	int has_context = 0;
+
+	if (!CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, 0)) {
+		/* Could mean that the key container does not exist, let try 
+		   again by asking for a new one */
+		if (GetLastError() == NTE_BAD_KEYSET) {
+			if (CryptAcquireContext(&hCryptProv, NULL, NULL, PROV_RSA_FULL, CRYPT_NEWKEYSET)) {
+				has_context = 1;
+			}
+		}
+	} else {
+		has_context = 1;
+	}
+	if (has_context) {
+		do {
+			BOOL ret = CryptGenRandom(hCryptProv, size, buf);
+			CryptReleaseContext(hCryptProv, 0);
+			if (ret) {
+				while (i < size && buf[i] != 0) {
+					i++;
+				}
+				if (i == size) {
+					return;
+				}
+		   }
+		} while (0);
+	}
+#elif defined(HAVE_DEV_URANDOM)
+	int fd = open("/dev/urandom", 0);
+
+	if (fd >= 0) {
+		if (read(fd, buf, size) == size) {
+			while (i < size && buf[i] != 0) {
+				i++;
+			}
+			if (i == size) {
+				close(fd);
+			    return;
+			}
+		}
+		close(fd);
+	}
+#endif
+	t = (unsigned char)getpid();
+	while (i < size) {
+		do {
+			buf[i] = ((unsigned char)rand()) ^ t;
+		} while (buf[i] == 0);
+		t = buf[i++] << 1;
+    }
+}
+/* }}} */
+#endif
+
+/* Notes:
+ * - This function may alter the block_sizes values to match platform alignment
+ * - This function does *not* perform sanity checks on the arguments
+ */
+ZEND_API zend_mm_heap *zend_mm_startup_ex(const zend_mm_mem_handlers *handlers, size_t block_size, size_t reserve_size, int internal, void *params)
+{
+	zend_mm_storage *storage;
+	zend_mm_heap    *heap;
+
+#if 0
+	int i;
+
+	printf("ZEND_MM_ALIGNMENT=%d\n", ZEND_MM_ALIGNMENT);
+	printf("ZEND_MM_ALIGNMENT_LOG2=%d\n", ZEND_MM_ALIGNMENT_LOG2);
+	printf("ZEND_MM_MIN_SIZE=%d\n", ZEND_MM_MIN_SIZE);
+	printf("ZEND_MM_MAX_SMALL_SIZE=%d\n", ZEND_MM_MAX_SMALL_SIZE);
+	printf("ZEND_MM_ALIGNED_HEADER_SIZE=%d\n", ZEND_MM_ALIGNED_HEADER_SIZE);
+	printf("ZEND_MM_ALIGNED_FREE_HEADER_SIZE=%d\n", ZEND_MM_ALIGNED_FREE_HEADER_SIZE);
+	printf("ZEND_MM_MIN_ALLOC_BLOCK_SIZE=%d\n", ZEND_MM_MIN_ALLOC_BLOCK_SIZE);
+	printf("ZEND_MM_ALIGNED_MIN_HEADER_SIZE=%d\n", ZEND_MM_ALIGNED_MIN_HEADER_SIZE);
+	printf("ZEND_MM_ALIGNED_SEGMENT_SIZE=%d\n", ZEND_MM_ALIGNED_SEGMENT_SIZE);
+	for (i = 0; i < ZEND_MM_MAX_SMALL_SIZE; i++) {
+		printf("%3d%c: %3ld %d %2ld\n", i, (i == ZEND_MM_MIN_SIZE?'*':' '), (long)ZEND_MM_TRUE_SIZE(i), ZEND_MM_SMALL_SIZE(ZEND_MM_TRUE_SIZE(i)), (long)ZEND_MM_BUCKET_INDEX(ZEND_MM_TRUE_SIZE(i)));
+	}
+	exit(0);
+#endif
+
+#if ZEND_MM_HEAP_PROTECTION
+	if (_mem_block_start_magic == 0) {
+		zend_mm_random((unsigned char*)&_mem_block_start_magic, sizeof(_mem_block_start_magic));
+	}
+	if (_mem_block_end_magic == 0) {
+		zend_mm_random((unsigned char*)&_mem_block_end_magic, sizeof(_mem_block_end_magic));
+	}
+#endif
+#if ZEND_MM_COOKIES
+	if (_zend_mm_cookie == 0) {
+		zend_mm_random((unsigned char*)&_zend_mm_cookie, sizeof(_zend_mm_cookie));
+	}
+#endif
+
+	if (zend_mm_low_bit(block_size) != zend_mm_high_bit(block_size)) {
+		fprintf(stderr, "'block_size' must be a power of two\n");
+/* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+		fflush(stderr);
+#endif
+		exit(255);
+	}
+	storage = handlers->init(params);
+	if (!storage) {
+		fprintf(stderr, "Cannot initialize zend_mm storage [%s]\n", handlers->name);
+/* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+		fflush(stderr);
+#endif
+		exit(255);
+	}
+	storage->handlers = handlers;
+
+	heap = malloc(sizeof(struct _zend_mm_heap));
+	if (heap == NULL) {
+		fprintf(stderr, "Cannot allocate heap for zend_mm storage [%s]\n", handlers->name);
+#ifdef PHP_WIN32
+		fflush(stderr);
+#endif
+		exit(255);
+	}
+	heap->storage = storage;
+	heap->block_size = block_size;
+	heap->compact_size = 0;
+	heap->segments_list = NULL;
+	zend_mm_init(heap);
+# if ZEND_MM_CACHE_STAT
+	memset(heap->cache_stat, 0, sizeof(heap->cache_stat));
+# endif
+
+	heap->use_zend_alloc = 1;
+	heap->real_size = 0;
+	heap->overflow = 0;
+	heap->real_peak = 0;
+	heap->limit = ZEND_MM_LONG_CONST(1)<<(ZEND_MM_NUM_BUCKETS-2);
+	heap->size = 0;
+	heap->peak = 0;
+	heap->internal = internal;
+	heap->reserve = NULL;
+	heap->reserve_size = reserve_size;
+	if (reserve_size > 0) {
+		heap->reserve = _zend_mm_alloc_int(heap, reserve_size ZEND_FILE_LINE_CC ZEND_FILE_LINE_EMPTY_CC);
+	}
+	if (internal) {
+		int i;
+		zend_mm_free_block *p, *q, *orig;
+		zend_mm_heap *mm_heap = _zend_mm_alloc_int(heap, sizeof(zend_mm_heap)  ZEND_FILE_LINE_CC ZEND_FILE_LINE_EMPTY_CC);
+
+		*mm_heap = *heap;
+
+		p = ZEND_MM_SMALL_FREE_BUCKET(mm_heap, 0);
+		orig = ZEND_MM_SMALL_FREE_BUCKET(heap, 0);
+		for (i = 0; i < ZEND_MM_NUM_BUCKETS; i++) {
+			q = p;
+			while (q->prev_free_block != orig) {
+				q = q->prev_free_block;
+			}
+			q->prev_free_block = p;
+			q = p;
+			while (q->next_free_block != orig) {
+				q = q->next_free_block;
+			}
+			q->next_free_block = p;
+			p = (zend_mm_free_block*)((char*)p + sizeof(zend_mm_free_block*) * 2);
+			orig = (zend_mm_free_block*)((char*)orig + sizeof(zend_mm_free_block*) * 2);
+			if (mm_heap->large_free_buckets[i]) {
+				mm_heap->large_free_buckets[i]->parent = &mm_heap->large_free_buckets[i];
+			}
+		}
+		mm_heap->rest_buckets[0] = mm_heap->rest_buckets[1] = ZEND_MM_REST_BUCKET(mm_heap);
+		mm_heap->rest_count = 0;
+
+		free(heap);
+		heap = mm_heap;
+	}
+	return heap;
+}
+
+ZEND_API zend_mm_heap *zend_mm_startup(void)
+{
+	int i;
+	size_t seg_size;
+	char *mem_type = getenv("ZEND_MM_MEM_TYPE");
+	char *tmp;
+	const zend_mm_mem_handlers *handlers;
+	zend_mm_heap *heap;
+
+	if (mem_type == NULL) {
+		i = 0;
+	} else {
+		for (i = 0; mem_handlers[i].name; i++) {
+			if (strcmp(mem_handlers[i].name, mem_type) == 0) {
+				break;
+			}
+		}
+		if (!mem_handlers[i].name) {
+			fprintf(stderr, "Wrong or unsupported zend_mm storage type '%s'\n", mem_type);
+			fprintf(stderr, "  supported types:\n");
+/* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+			fflush(stderr);
+#endif
+			for (i = 0; mem_handlers[i].name; i++) {
+				fprintf(stderr, "    '%s'\n", mem_handlers[i].name);
+			}
+/* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+			fflush(stderr);
+#endif
+			exit(255);
+		}
+	}
+	handlers = &mem_handlers[i];
+
+	tmp = getenv("ZEND_MM_SEG_SIZE");
+	if (tmp) {
+		seg_size = zend_atoi(tmp, 0);
+		if (zend_mm_low_bit(seg_size) != zend_mm_high_bit(seg_size)) {
+			fprintf(stderr, "ZEND_MM_SEG_SIZE must be a power of two\n");
+/* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+			fflush(stderr);
+#endif
+			exit(255);
+		} else if (seg_size < ZEND_MM_ALIGNED_SEGMENT_SIZE + ZEND_MM_ALIGNED_HEADER_SIZE) {
+			fprintf(stderr, "ZEND_MM_SEG_SIZE is too small\n");
+/* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+			fflush(stderr);
+#endif
+			exit(255);
+		}
+	} else {
+		seg_size = ZEND_MM_SEG_SIZE;
+	}
+
+	heap = zend_mm_startup_ex(handlers, seg_size, ZEND_MM_RESERVE_SIZE, 0, NULL);
+	if (heap) {
+		tmp = getenv("ZEND_MM_COMPACT");
+		if (tmp) {
+			heap->compact_size = zend_atoi(tmp, 0);
+		} else {
+			heap->compact_size = 2 * 1024 * 1024;
+		}
+	}
+	return heap;
+}
+
+#if ZEND_DEBUG
+static long zend_mm_find_leaks(zend_mm_segment *segment, zend_mm_block *b)
+{
+	long leaks = 0;
+	zend_mm_block *p, *q;
+
+	p = ZEND_MM_NEXT_BLOCK(b);
+	while (1) {
+		if (ZEND_MM_IS_GUARD_BLOCK(p)) {
+			ZEND_MM_CHECK_MAGIC(p, MEM_BLOCK_GUARD);
+			segment = segment->next_segment;
+			if (!segment) {
+				break;
+			}
+			p = (zend_mm_block *) ((char *) segment + ZEND_MM_ALIGNED_SEGMENT_SIZE);
+			continue;
+		}
+		q = ZEND_MM_NEXT_BLOCK(p);
+		if (q <= p ||
+		    (char*)q > (char*)segment + segment->size ||
+		    p->info._size != q->info._prev) {
+		    zend_mm_panic("zend_mm_heap corrupted");
+		}
+		if (!ZEND_MM_IS_FREE_BLOCK(p)) {
+			if (p->magic == MEM_BLOCK_VALID) {
+				if (p->debug.filename==b->debug.filename && p->debug.lineno==b->debug.lineno) {
+					ZEND_MM_SET_MAGIC(p, MEM_BLOCK_LEAK);
+					leaks++;
+				}
+#if ZEND_MM_CACHE
+			} else if (p->magic == MEM_BLOCK_CACHED) {
+				/* skip it */
+#endif
+			} else if (p->magic != MEM_BLOCK_LEAK) {
+			    zend_mm_panic("zend_mm_heap corrupted");
+			}
+		}
+		p = q;
+	}
+	return leaks;
+}
+
+static void zend_mm_check_leaks(zend_mm_heap *heap TSRMLS_DC)
+{
+	zend_mm_segment *segment = heap->segments_list;
+	zend_mm_block *p, *q;
+	zend_uint total = 0;
+
+	if (!segment) {
+		return;
+	}
+	p = (zend_mm_block *) ((char *) segment + ZEND_MM_ALIGNED_SEGMENT_SIZE);
+	while (1) {
+		q = ZEND_MM_NEXT_BLOCK(p);
+		if (q <= p ||
+		    (char*)q > (char*)segment + segment->size ||
+		    p->info._size != q->info._prev) {
+			zend_mm_panic("zend_mm_heap corrupted");
+		}
+		if (!ZEND_MM_IS_FREE_BLOCK(p)) {
+			if (p->magic == MEM_BLOCK_VALID) {
+				long repeated;
+				zend_leak_info leak;
+
+				ZEND_MM_SET_MAGIC(p, MEM_BLOCK_LEAK);
+
+				leak.addr = ZEND_MM_DATA_OF(p);
+				leak.size = p->debug.size;
+				leak.filename = p->debug.filename;
+				leak.lineno = p->debug.lineno;
+				leak.orig_filename = p->debug.orig_filename;
+				leak.orig_lineno = p->debug.orig_lineno;
+
+				zend_message_dispatcher(ZMSG_LOG_SCRIPT_NAME, NULL TSRMLS_CC);
+				zend_message_dispatcher(ZMSG_MEMORY_LEAK_DETECTED, &leak TSRMLS_CC);
+				repeated = zend_mm_find_leaks(segment, p);
+				total += 1 + repeated;
+				if (repeated) {
+					zend_message_dispatcher(ZMSG_MEMORY_LEAK_REPEATED, (void *)(zend_uintptr_t)repeated TSRMLS_CC);
+				}
+#if ZEND_MM_CACHE
+			} else if (p->magic == MEM_BLOCK_CACHED) {
+				/* skip it */
+#endif
+			} else if (p->magic != MEM_BLOCK_LEAK) {
+				zend_mm_panic("zend_mm_heap corrupted");
+			}
+		}
+		if (ZEND_MM_IS_GUARD_BLOCK(q)) {
+			segment = segment->next_segment;
+			if (!segment) {
+				break;
+			}
+			q = (zend_mm_block *) ((char *) segment + ZEND_MM_ALIGNED_SEGMENT_SIZE);
+		}
+		p = q;
+	}
+	if (total) {
+		zend_message_dispatcher(ZMSG_MEMORY_LEAKS_GRAND_TOTAL, &total TSRMLS_CC);
+	}
+}
+
+static int zend_mm_check_ptr(zend_mm_heap *heap, void *ptr, int silent ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	zend_mm_block *p;
+	int no_cache_notice = 0;
+	int had_problems = 0;
+	int valid_beginning = 1;
+
+	if (silent==2) {
+		silent = 1;
+		no_cache_notice = 1;
+	} else if (silent==3) {
+		silent = 0;
+		no_cache_notice = 1;
+	}
+	if (!silent) {
+		TSRMLS_FETCH();
+		
+		zend_message_dispatcher(ZMSG_LOG_SCRIPT_NAME, NULL TSRMLS_CC);
+		zend_debug_alloc_output("---------------------------------------\n");
+		zend_debug_alloc_output("%s(%d) : Block "PTR_FMT" status:\n" ZEND_FILE_LINE_RELAY_CC, ptr);
+		if (__zend_orig_filename) {
+			zend_debug_alloc_output("%s(%d) : Actual location (location was relayed)\n" ZEND_FILE_LINE_ORIG_RELAY_CC);
+		}
+		if (!ptr) {
+			zend_debug_alloc_output("NULL\n");
+			zend_debug_alloc_output("---------------------------------------\n");
+			return 0;
+		}
+	}
+
+	if (!ptr) {
+		if (silent) {
+			return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+		}
+	}
+
+	p = ZEND_MM_HEADER_OF(ptr);
+
+#ifdef ZTS
+	if (ZEND_MM_BAD_THREAD_ID(p)) {
+		if (!silent) {
+			zend_debug_alloc_output("Invalid pointer: ((thread_id=0x%0.8X) != (expected=0x%0.8X))\n", (long)p->thread_id, (long)tsrm_thread_id());
+			had_problems = 1;
+		} else {
+			return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+		}
+	}
+#endif
+
+	if (p->info._size != ZEND_MM_NEXT_BLOCK(p)->info._prev) {
+		if (!silent) {
+			zend_debug_alloc_output("Invalid pointer: ((size="PTR_FMT") != (next.prev="PTR_FMT"))\n", p->info._size, ZEND_MM_NEXT_BLOCK(p)->info._prev);
+			had_problems = 1;
+		} else {
+			return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+		}
+	}
+	if (p->info._prev != ZEND_MM_GUARD_BLOCK &&
+	    ZEND_MM_PREV_BLOCK(p)->info._size != p->info._prev) {
+		if (!silent) {
+			zend_debug_alloc_output("Invalid pointer: ((prev="PTR_FMT") != (prev.size="PTR_FMT"))\n", p->info._prev, ZEND_MM_PREV_BLOCK(p)->info._size);
+			had_problems = 1;
+		} else {
+			return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+		}
+	}
+
+	if (had_problems) {
+		zend_debug_alloc_output("---------------------------------------\n");
+		return 0;
+	}
+
+	if (!silent) {
+		zend_debug_alloc_output("%10s\t","Beginning:  ");
+	}
+
+	if (!ZEND_MM_IS_USED_BLOCK(p)) {
+		if (!silent) {
+			if (p->magic != MEM_BLOCK_FREED) {
+				zend_debug_alloc_output("Freed (magic=0x%0.8X, expected=0x%0.8X)\n", p->magic, MEM_BLOCK_FREED);
+			} else {
+				zend_debug_alloc_output("Freed\n");
+			}
+			had_problems = 1;
+		} else {
+			return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+		}
+	} else if (ZEND_MM_IS_GUARD_BLOCK(p)) {
+		if (!silent) {
+			if (p->magic != MEM_BLOCK_FREED) {
+				zend_debug_alloc_output("Guard (magic=0x%0.8X, expected=0x%0.8X)\n", p->magic, MEM_BLOCK_FREED);
+			} else {
+				zend_debug_alloc_output("Guard\n");
+			}
+			had_problems = 1;
+		} else {
+			return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+		}
+	} else {
+		switch (p->magic) {
+			case MEM_BLOCK_VALID:
+			case MEM_BLOCK_LEAK:
+				if (!silent) {
+					zend_debug_alloc_output("OK (allocated on %s:%d, %d bytes)\n", p->debug.filename, p->debug.lineno, (int)p->debug.size);
+				}
+				break; /* ok */
+			case MEM_BLOCK_CACHED:
+				if (!no_cache_notice) {
+					if (!silent) {
+						zend_debug_alloc_output("Cached\n");
+						had_problems = 1;
+					} else {
+						return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+					}
+				}
+			case MEM_BLOCK_FREED:
+				if (!silent) {
+					zend_debug_alloc_output("Freed (invalid)\n");
+					had_problems = 1;
+				} else {
+					return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+				}
+				break;
+			case MEM_BLOCK_GUARD:
+				if (!silent) {
+					zend_debug_alloc_output("Guard (invalid)\n");
+					had_problems = 1;
+				} else {
+					return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+				}
+				break;
+			default:
+				if (!silent) {
+					zend_debug_alloc_output("Unknown (magic=0x%0.8X, expected=0x%0.8X)\n", p->magic, MEM_BLOCK_VALID);
+					had_problems = 1;
+					valid_beginning = 0;
+				} else {
+					return zend_mm_check_ptr(heap, ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+				}
+				break;
+		}
+	}
+
+#if ZEND_MM_HEAP_PROTECTION
+	if (!valid_beginning) {
+		if (!silent) {
+			zend_debug_alloc_output("%10s\t", "Start:");
+			zend_debug_alloc_output("Unknown\n");
+			zend_debug_alloc_output("%10s\t", "End:");
+			zend_debug_alloc_output("Unknown\n");
+		}
+	} else {
+		char *end_magic = ZEND_MM_END_MAGIC_PTR(p);
+
+		if (p->debug.start_magic == _mem_block_start_magic) {
+			if (!silent) {
+				zend_debug_alloc_output("%10s\t", "Start:");
+				zend_debug_alloc_output("OK\n");
+			}
+		} else {
+			char *overflow_ptr, *magic_ptr=(char *) &_mem_block_start_magic;
+			int overflows=0;
+			int i;
+
+			if (silent) {
+				return _mem_block_check(ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+			}
+			had_problems = 1;
+			overflow_ptr = (char *) &p->debug.start_magic;
+			i = END_MAGIC_SIZE;
+			while (--i >= 0) {
+				if (overflow_ptr[i]!=magic_ptr[i]) {
+					overflows++;
+				}
+			}
+			zend_debug_alloc_output("%10s\t", "Start:");
+			zend_debug_alloc_output("Overflown (magic=0x%0.8X instead of 0x%0.8X)\n", p->debug.start_magic, _mem_block_start_magic);
+			zend_debug_alloc_output("%10s\t","");
+			if (overflows >= END_MAGIC_SIZE) {
+				zend_debug_alloc_output("At least %d bytes overflown\n", END_MAGIC_SIZE);
+			} else {
+				zend_debug_alloc_output("%d byte(s) overflown\n", overflows);
+			}
+		}
+		if (memcmp(end_magic, &_mem_block_end_magic, END_MAGIC_SIZE)==0) {
+			if (!silent) {
+				zend_debug_alloc_output("%10s\t", "End:");
+				zend_debug_alloc_output("OK\n");
+			}
+		} else {
+			char *overflow_ptr, *magic_ptr=(char *) &_mem_block_end_magic;
+			int overflows=0;
+			int i;
+
+			if (silent) {
+				return _mem_block_check(ptr, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+			}
+			had_problems = 1;
+			overflow_ptr = (char *) end_magic;
+
+			for (i=0; i < END_MAGIC_SIZE; i++) {
+				if (overflow_ptr[i]!=magic_ptr[i]) {
+					overflows++;
+				}
+			}
+
+			zend_debug_alloc_output("%10s\t", "End:");
+			zend_debug_alloc_output("Overflown (magic=0x%0.8X instead of 0x%0.8X)\n", *end_magic, _mem_block_end_magic);
+			zend_debug_alloc_output("%10s\t","");
+			if (overflows >= END_MAGIC_SIZE) {
+				zend_debug_alloc_output("At least %d bytes overflown\n", END_MAGIC_SIZE);
+			} else {
+				zend_debug_alloc_output("%d byte(s) overflown\n", overflows);
+			}
+		}
+	}
+#endif
+
+	if (!silent) {
+		zend_debug_alloc_output("---------------------------------------\n");
+	}
+	return ((!had_problems) ? 1 : 0);
+}
+
+static int zend_mm_check_heap(zend_mm_heap *heap, int silent ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	zend_mm_segment *segment = heap->segments_list;
+	zend_mm_block *p, *q;
+	int errors = 0;
+
+	if (!segment) {
+		return 0;
+	}
+	p = (zend_mm_block *) ((char *) segment + ZEND_MM_ALIGNED_SEGMENT_SIZE);
+	while (1) {
+		q = ZEND_MM_NEXT_BLOCK(p);
+		if (q <= p ||
+		    (char*)q > (char*)segment + segment->size ||
+		    p->info._size != q->info._prev) {
+			zend_mm_panic("zend_mm_heap corrupted");
+		}
+		if (!ZEND_MM_IS_FREE_BLOCK(p)) {
+			if (p->magic == MEM_BLOCK_VALID || p->magic == MEM_BLOCK_LEAK) {
+				if (!zend_mm_check_ptr(heap, ZEND_MM_DATA_OF(p), (silent?2:3) ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC)) {
+					errors++;
+				}
+#if ZEND_MM_CACHE
+			} else if (p->magic == MEM_BLOCK_CACHED) {
+				/* skip it */
+#endif
+			} else if (p->magic != MEM_BLOCK_LEAK) {
+				zend_mm_panic("zend_mm_heap corrupted");
+			}
+		}
+		if (ZEND_MM_IS_GUARD_BLOCK(q)) {
+			segment = segment->next_segment;
+			if (!segment) {
+				return errors;
+			}
+			q = (zend_mm_block *) ((char *) segment + ZEND_MM_ALIGNED_SEGMENT_SIZE);
+		}
+		p = q;
+	}
+}
+#endif
+
+ZEND_API void zend_mm_shutdown(zend_mm_heap *heap, int full_shutdown, int silent TSRMLS_DC)
+{
+	zend_mm_storage *storage;
+	zend_mm_segment *segment;
+	zend_mm_segment *prev;
+	int internal;
+
+	if (!heap->use_zend_alloc) {
+		if (full_shutdown) {
+			free(heap);
+		}
+		return;
+	}
+
+	if (heap->reserve) {
+#if ZEND_DEBUG
+		if (!silent) {
+			_zend_mm_free_int(heap, heap->reserve ZEND_FILE_LINE_CC ZEND_FILE_LINE_EMPTY_CC);
+		}
+#endif
+		heap->reserve = NULL;
+	}
+
+#if ZEND_MM_CACHE_STAT
+	if (full_shutdown) {
+		FILE *f;
+
+		f = fopen("zend_mm.log", "w");
+		if (f) {
+			int i,j;
+			size_t size, true_size, min_size, max_size;
+			int hit = 0, miss = 0;
+
+			fprintf(f, "\nidx min_size max_size true_size  max_len     hits   misses\n");
+			size = 0;
+			while (1) {
+				true_size = ZEND_MM_TRUE_SIZE(size);
+				if (ZEND_MM_SMALL_SIZE(true_size)) {
+					min_size = size;
+					i = ZEND_MM_BUCKET_INDEX(true_size);
+					size++;
+					while (1) {
+						true_size = ZEND_MM_TRUE_SIZE(size);
+						if (ZEND_MM_SMALL_SIZE(true_size)) {
+							j = ZEND_MM_BUCKET_INDEX(true_size);
+							if (j > i) {
+								max_size = size-1;
+								break;
+							}
+						} else {
+							max_size = size-1;
+							break;
+						}
+						size++;
+					}
+					hit += heap->cache_stat[i].hit;
+					miss += heap->cache_stat[i].miss;
+					fprintf(f, "%2d %8d %8d %9d %8d %8d %8d\n", i, (int)min_size, (int)max_size, ZEND_MM_TRUE_SIZE(max_size), heap->cache_stat[i].max_count, heap->cache_stat[i].hit, heap->cache_stat[i].miss);
+				} else {
+					break;
+				}
+			}
+			fprintf(f, "                                        %8d %8d\n", hit, miss);
+			fprintf(f, "                                        %8d %8d\n", heap->cache_stat[ZEND_MM_NUM_BUCKETS].hit, heap->cache_stat[ZEND_MM_NUM_BUCKETS].miss);
+			fclose(f);
+		}
+	}
+#endif
+
+#if ZEND_DEBUG
+	if (!silent) {
+		zend_mm_check_leaks(heap TSRMLS_CC);
+	}
+#endif
+
+	internal = heap->internal;
+	storage = heap->storage;
+	segment = heap->segments_list;
+	if (full_shutdown) {
+		while (segment) {
+			prev = segment;
+			segment = segment->next_segment;
+			ZEND_MM_STORAGE_FREE(prev);
+		}
+		heap->segments_list = NULL;
+		storage->handlers->dtor(storage);
+		if (!internal) {
+			free(heap);
+		}
+	} else {
+		if (segment) {
+#ifndef ZEND_WIN32
+			if (heap->reserve_size) {
+				while (segment->next_segment) {
+					prev = segment;
+					segment = segment->next_segment;
+					ZEND_MM_STORAGE_FREE(prev);
+				}
+				heap->segments_list = segment;
+			} else {
+#endif
+				do {
+					prev = segment;
+					segment = segment->next_segment;
+					ZEND_MM_STORAGE_FREE(prev);
+				} while (segment);
+				heap->segments_list = NULL;
+#ifndef ZEND_WIN32
+			}
+#endif
+		}
+		if (heap->compact_size &&
+		    heap->real_peak > heap->compact_size) {
+			storage->handlers->compact(storage);
+		}
+		zend_mm_init(heap);
+		if (heap->segments_list) {
+			heap->real_size = heap->segments_list->size;
+			heap->real_peak = heap->segments_list->size;
+		} else {
+			heap->real_size = 0;
+			heap->real_peak = 0;
+		}
+		heap->size = 0;
+		heap->peak = 0;
+		if (heap->segments_list) {
+			/* mark segment as a free block */
+			zend_mm_free_block *b = (zend_mm_free_block*)((char*)heap->segments_list + ZEND_MM_ALIGNED_SEGMENT_SIZE);
+			size_t block_size = heap->segments_list->size - ZEND_MM_ALIGNED_SEGMENT_SIZE - ZEND_MM_ALIGNED_HEADER_SIZE;
+
+			ZEND_MM_MARK_FIRST_BLOCK(b);
+			ZEND_MM_LAST_BLOCK(ZEND_MM_BLOCK_AT(b, block_size));
+			ZEND_MM_BLOCK(b, ZEND_MM_FREE_BLOCK, block_size);
+			zend_mm_add_to_free_list(heap, b);
+		}
+		if (heap->reserve_size) {
+			heap->reserve = _zend_mm_alloc_int(heap, heap->reserve_size  ZEND_FILE_LINE_CC ZEND_FILE_LINE_EMPTY_CC);
+		}
+		heap->overflow = 0;
+	}
+}
+
+static void zend_mm_safe_error(zend_mm_heap *heap,
+	const char *format,
+	size_t limit,
+#if ZEND_DEBUG
+	const char *filename,
+	uint lineno,
+#endif
+	size_t size)
+{
+	if (heap->reserve) {
+		_zend_mm_free_int(heap, heap->reserve ZEND_FILE_LINE_CC ZEND_FILE_LINE_EMPTY_CC);
+		heap->reserve = NULL;
+	}
+	if (heap->overflow == 0) {
+		const char *error_filename;
+		uint error_lineno;
+		TSRMLS_FETCH();
+		if (zend_is_compiling(TSRMLS_C)) {
+			error_filename = zend_get_compiled_filename(TSRMLS_C);
+			error_lineno = zend_get_compiled_lineno(TSRMLS_C);
+		} else if (EG(in_execution)) {
+			error_filename = EG(active_op_array)?EG(active_op_array)->filename:NULL;
+			error_lineno = EG(opline_ptr)?(*EG(opline_ptr))->lineno:0;
+		} else {
+			error_filename = NULL;
+			error_lineno = 0;
+		}
+		if (!error_filename) {
+			error_filename = "Unknown";
+		}
+		heap->overflow = 1;
+		zend_try {
+			zend_error_noreturn(E_ERROR,
+				format,
+				limit,
+#if ZEND_DEBUG
+				filename,
+				lineno,
+#endif
+				size);
+		} zend_catch {
+			if (heap->overflow == 2) {
+				fprintf(stderr, "\nFatal error: ");
+				fprintf(stderr,
+					format,
+					limit,
+#if ZEND_DEBUG
+					filename,
+					lineno,
+#endif
+					size);
+				fprintf(stderr, " in %s on line %d\n", error_filename, error_lineno);
+			}
+/* See http://support.microsoft.com/kb/190351 */
+#ifdef PHP_WIN32
+			fflush(stderr);
+#endif
+		} zend_end_try();
+	} else {
+		heap->overflow = 2;
+	}
+	zend_bailout();
+}
+
+static zend_mm_free_block *zend_mm_search_large_block(zend_mm_heap *heap, size_t true_size)
+{
+	zend_mm_free_block *best_fit;
+	size_t index = ZEND_MM_LARGE_BUCKET_INDEX(true_size);
+	size_t bitmap = heap->large_free_bitmap >> index;
+	zend_mm_free_block *p;
+
+	if (bitmap == 0) {
+		return NULL;
+	}
+
+	if (UNEXPECTED((bitmap & 1) != 0)) {
+		/* Search for best "large" free block */
+		zend_mm_free_block *rst = NULL;
+		size_t m;
+		size_t best_size = -1;
+
+		best_fit = NULL;
+		p = heap->large_free_buckets[index];
+		for (m = true_size << (ZEND_MM_NUM_BUCKETS - index); ; m <<= 1) {
+			if (UNEXPECTED(ZEND_MM_FREE_BLOCK_SIZE(p) == true_size)) {
+				return p->next_free_block;
+			} else if (ZEND_MM_FREE_BLOCK_SIZE(p) >= true_size &&
+			           ZEND_MM_FREE_BLOCK_SIZE(p) < best_size) {
+				best_size = ZEND_MM_FREE_BLOCK_SIZE(p);
+				best_fit = p;
+			}
+			if ((m & (ZEND_MM_LONG_CONST(1) << (ZEND_MM_NUM_BUCKETS-1))) == 0) {
+				if (p->child[1]) {
+					rst = p->child[1];
+				}
+				if (p->child[0]) {
+					p = p->child[0];
+				} else {
+					break;
+				}
+			} else if (p->child[1]) {
+				p = p->child[1];
+			} else {
+				break;
+			}
+		}
+
+		for (p = rst; p; p = p->child[p->child[0] != NULL]) {
+			if (UNEXPECTED(ZEND_MM_FREE_BLOCK_SIZE(p) == true_size)) {
+				return p->next_free_block;
+			} else if (ZEND_MM_FREE_BLOCK_SIZE(p) > true_size &&
+			           ZEND_MM_FREE_BLOCK_SIZE(p) < best_size) {
+				best_size = ZEND_MM_FREE_BLOCK_SIZE(p);
+				best_fit = p;
+			}
+		}
+
+		if (best_fit) {
+			return best_fit->next_free_block;
+		}
+		bitmap = bitmap >> 1;
+		if (!bitmap) {
+			return NULL;
+		}
+		index++;
+	}
+
+	/* Search for smallest "large" free block */
+	best_fit = p = heap->large_free_buckets[index + zend_mm_low_bit(bitmap)];
+	while ((p = p->child[p->child[0] != NULL])) {
+		if (ZEND_MM_FREE_BLOCK_SIZE(p) < ZEND_MM_FREE_BLOCK_SIZE(best_fit)) {
+			best_fit = p;
+		}
+	}
+	return best_fit->next_free_block;
+}
+
+static void *_zend_mm_alloc_int(zend_mm_heap *heap, size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	zend_mm_free_block *best_fit;
+	size_t true_size = ZEND_MM_TRUE_SIZE(size);
+	size_t block_size;
+	size_t remaining_size;
+	size_t segment_size;
+	zend_mm_segment *segment;
+	int keep_rest = 0;
+#ifdef ZEND_SIGNALS
+	TSRMLS_FETCH();
+#endif
+
+	HANDLE_BLOCK_INTERRUPTIONS();
+
+	if (EXPECTED(ZEND_MM_SMALL_SIZE(true_size))) {
+		size_t index = ZEND_MM_BUCKET_INDEX(true_size);
+		size_t bitmap;
+
+		if (UNEXPECTED(true_size < size)) {
+			goto out_of_memory;
+		}
+#if ZEND_MM_CACHE
+		if (EXPECTED(heap->cache[index] != NULL)) {
+			/* Get block from cache */
+#if ZEND_MM_CACHE_STAT
+			heap->cache_stat[index].count--;
+			heap->cache_stat[index].hit++;
+#endif
+			best_fit = heap->cache[index];
+			heap->cache[index] = best_fit->prev_free_block;
+			heap->cached -= true_size;
+			ZEND_MM_CHECK_MAGIC(best_fit, MEM_BLOCK_CACHED);
+			ZEND_MM_SET_DEBUG_INFO(best_fit, size, 1, 0);
+			HANDLE_UNBLOCK_INTERRUPTIONS();
+			return ZEND_MM_DATA_OF(best_fit);
+ 		}
+#if ZEND_MM_CACHE_STAT
+		heap->cache_stat[index].miss++;
+#endif
+#endif
+
+		bitmap = heap->free_bitmap >> index;
+		if (bitmap) {
+			/* Found some "small" free block that can be used */
+			index += zend_mm_low_bit(bitmap);
+			best_fit = heap->free_buckets[index*2];
+#if ZEND_MM_CACHE_STAT
+			heap->cache_stat[ZEND_MM_NUM_BUCKETS].hit++;
+#endif
+			goto zend_mm_finished_searching_for_block;
+		}
+	}
+
+#if ZEND_MM_CACHE_STAT
+	heap->cache_stat[ZEND_MM_NUM_BUCKETS].miss++;
+#endif
+
+	best_fit = zend_mm_search_large_block(heap, true_size);
+
+	if (!best_fit && heap->real_size >= heap->limit - heap->block_size) {
+		zend_mm_free_block *p = heap->rest_buckets[0];
+		size_t best_size = -1;
+
+		while (p != ZEND_MM_REST_BUCKET(heap)) {
+			if (UNEXPECTED(ZEND_MM_FREE_BLOCK_SIZE(p) == true_size)) {
+				best_fit = p;
+				goto zend_mm_finished_searching_for_block;
+			} else if (ZEND_MM_FREE_BLOCK_SIZE(p) > true_size &&
+			           ZEND_MM_FREE_BLOCK_SIZE(p) < best_size) {
+				best_size = ZEND_MM_FREE_BLOCK_SIZE(p);
+				best_fit = p;
+			}
+			p = p->prev_free_block;
+		}
+	}
+
+	if (!best_fit) {
+		if (true_size > heap->block_size - (ZEND_MM_ALIGNED_SEGMENT_SIZE + ZEND_MM_ALIGNED_HEADER_SIZE)) {
+			/* Make sure we add a memory block which is big enough,
+			   segment must have header "size" and trailer "guard" block */
+			segment_size = true_size + ZEND_MM_ALIGNED_SEGMENT_SIZE + ZEND_MM_ALIGNED_HEADER_SIZE;
+			segment_size = (segment_size + (heap->block_size-1)) & ~(heap->block_size-1);
+			keep_rest = 1;
+		} else {
+			segment_size = heap->block_size;
+		}
+
+		if (segment_size < true_size ||
+		    heap->real_size + segment_size > heap->limit) {
+			/* Memory limit overflow */
+#if ZEND_MM_CACHE
+			zend_mm_free_cache(heap);
+#endif
+			HANDLE_UNBLOCK_INTERRUPTIONS();
+#if ZEND_DEBUG
+			zend_mm_safe_error(heap, "Allowed memory size of %ld bytes exhausted at %s:%d (tried to allocate %lu bytes)", heap->limit, __zend_filename, __zend_lineno, size);
+#else
+			zend_mm_safe_error(heap, "Allowed memory size of %ld bytes exhausted (tried to allocate %lu bytes)", heap->limit, size);
+#endif
+		}
+
+		segment = (zend_mm_segment *) ZEND_MM_STORAGE_ALLOC(segment_size);
+
+		if (!segment) {
+			/* Storage manager cannot allocate memory */
+#if ZEND_MM_CACHE
+			zend_mm_free_cache(heap);
+#endif
+out_of_memory:
+			HANDLE_UNBLOCK_INTERRUPTIONS();
+#if ZEND_DEBUG
+			zend_mm_safe_error(heap, "Out of memory (allocated %ld) at %s:%d (tried to allocate %lu bytes)", heap->real_size, __zend_filename, __zend_lineno, size);
+#else
+			zend_mm_safe_error(heap, "Out of memory (allocated %ld) (tried to allocate %lu bytes)", heap->real_size, size);
+#endif
+			return NULL;
+		}
+
+		heap->real_size += segment_size;
+		if (heap->real_size > heap->real_peak) {
+			heap->real_peak = heap->real_size;
+		}
+
+		segment->size = segment_size;
+		segment->next_segment = heap->segments_list;
+		heap->segments_list = segment;
+
+		best_fit = (zend_mm_free_block *) ((char *) segment + ZEND_MM_ALIGNED_SEGMENT_SIZE);
+		ZEND_MM_MARK_FIRST_BLOCK(best_fit);
+
+		block_size = segment_size - ZEND_MM_ALIGNED_SEGMENT_SIZE - ZEND_MM_ALIGNED_HEADER_SIZE;
+
+		ZEND_MM_LAST_BLOCK(ZEND_MM_BLOCK_AT(best_fit, block_size));
+
+	} else {
+zend_mm_finished_searching_for_block:
+		/* remove from free list */
+		ZEND_MM_CHECK_MAGIC(best_fit, MEM_BLOCK_FREED);
+		ZEND_MM_CHECK_COOKIE(best_fit);
+		ZEND_MM_CHECK_BLOCK_LINKAGE(best_fit);
+		zend_mm_remove_from_free_list(heap, best_fit);
+
+		block_size = ZEND_MM_FREE_BLOCK_SIZE(best_fit);
+	}
+
+	remaining_size = block_size - true_size;
+
+	if (remaining_size < ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
+		true_size = block_size;
+		ZEND_MM_BLOCK(best_fit, ZEND_MM_USED_BLOCK, true_size);
+	} else {
+		zend_mm_free_block *new_free_block;
+
+		/* prepare new free block */
+		ZEND_MM_BLOCK(best_fit, ZEND_MM_USED_BLOCK, true_size);
+		new_free_block = (zend_mm_free_block *) ZEND_MM_BLOCK_AT(best_fit, true_size);
+		ZEND_MM_BLOCK(new_free_block, ZEND_MM_FREE_BLOCK, remaining_size);
+
+		/* add the new free block to the free list */
+		if (EXPECTED(!keep_rest)) {
+			zend_mm_add_to_free_list(heap, new_free_block);
+		} else {
+			zend_mm_add_to_rest_list(heap, new_free_block);
+		}
+	}
+
+	ZEND_MM_SET_DEBUG_INFO(best_fit, size, 1, 1);
+
+	heap->size += true_size;
+	if (heap->peak < heap->size) {
+		heap->peak = heap->size;
+	}
+
+	HANDLE_UNBLOCK_INTERRUPTIONS();
+
+	return ZEND_MM_DATA_OF(best_fit);
+}
+
+
+static void _zend_mm_free_int(zend_mm_heap *heap, void *p ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	zend_mm_block *mm_block;
+	zend_mm_block *next_block;
+	size_t size;
+#ifdef ZEND_SIGNALS
+	TSRMLS_FETCH();
+#endif
+	if (!ZEND_MM_VALID_PTR(p)) {
+		return;
+	}
+
+	HANDLE_BLOCK_INTERRUPTIONS();
+
+	mm_block = ZEND_MM_HEADER_OF(p);
+	size = ZEND_MM_BLOCK_SIZE(mm_block);
+	ZEND_MM_CHECK_PROTECTION(mm_block);
+
+#if ZEND_DEBUG || ZEND_MM_HEAP_PROTECTION
+	memset(ZEND_MM_DATA_OF(mm_block), 0x5a, mm_block->debug.size);
+#endif
+
+#if ZEND_MM_CACHE
+	if (EXPECTED(ZEND_MM_SMALL_SIZE(size)) && EXPECTED(heap->cached < ZEND_MM_CACHE_SIZE)) {
+		size_t index = ZEND_MM_BUCKET_INDEX(size);
+		zend_mm_free_block **cache = &heap->cache[index];
+
+		((zend_mm_free_block*)mm_block)->prev_free_block = *cache;
+		*cache = (zend_mm_free_block*)mm_block;
+		heap->cached += size;
+		ZEND_MM_SET_MAGIC(mm_block, MEM_BLOCK_CACHED);
+#if ZEND_MM_CACHE_STAT
+		if (++heap->cache_stat[index].count > heap->cache_stat[index].max_count) {
+			heap->cache_stat[index].max_count = heap->cache_stat[index].count;
+		}
+#endif
+		HANDLE_UNBLOCK_INTERRUPTIONS();
+		return;
+	}
+#endif
+
+	heap->size -= size;
+
+	next_block = ZEND_MM_BLOCK_AT(mm_block, size);
+	if (ZEND_MM_IS_FREE_BLOCK(next_block)) {
+		zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) next_block);
+		size += ZEND_MM_FREE_BLOCK_SIZE(next_block);
+	}
+	if (ZEND_MM_PREV_BLOCK_IS_FREE(mm_block)) {
+		mm_block = ZEND_MM_PREV_BLOCK(mm_block);
+		zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) mm_block);
+		size += ZEND_MM_FREE_BLOCK_SIZE(mm_block);
+	}
+	if (ZEND_MM_IS_FIRST_BLOCK(mm_block) &&
+	    ZEND_MM_IS_GUARD_BLOCK(ZEND_MM_BLOCK_AT(mm_block, size))) {
+		zend_mm_del_segment(heap, (zend_mm_segment *) ((char *)mm_block - ZEND_MM_ALIGNED_SEGMENT_SIZE));
+	} else {
+		ZEND_MM_BLOCK(mm_block, ZEND_MM_FREE_BLOCK, size);
+		zend_mm_add_to_free_list(heap, (zend_mm_free_block *) mm_block);
+	}
+	HANDLE_UNBLOCK_INTERRUPTIONS();
+}
+
+static void *_zend_mm_realloc_int(zend_mm_heap *heap, void *p, size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	zend_mm_block *mm_block = ZEND_MM_HEADER_OF(p);
+	zend_mm_block *next_block;
+	size_t true_size;
+	size_t orig_size;
+	void *ptr;
+#ifdef ZEND_SIGNALS
+	TSRMLS_FETCH();
+#endif
+	if (UNEXPECTED(!p) || !ZEND_MM_VALID_PTR(p)) {
+		return _zend_mm_alloc_int(heap, size ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+	}
+
+	HANDLE_BLOCK_INTERRUPTIONS();
+
+	mm_block = ZEND_MM_HEADER_OF(p);
+	true_size = ZEND_MM_TRUE_SIZE(size);
+	orig_size = ZEND_MM_BLOCK_SIZE(mm_block);
+	ZEND_MM_CHECK_PROTECTION(mm_block);
+
+	if (UNEXPECTED(true_size < size)) {
+		goto out_of_memory;
+	}
+
+	if (true_size <= orig_size) {
+		size_t remaining_size = orig_size - true_size;
+
+		if (remaining_size >= ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
+			zend_mm_free_block *new_free_block;
+
+			next_block = ZEND_MM_BLOCK_AT(mm_block, orig_size);
+			if (ZEND_MM_IS_FREE_BLOCK(next_block)) {
+				remaining_size += ZEND_MM_FREE_BLOCK_SIZE(next_block);
+				zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) next_block);
+			}
+
+			/* prepare new free block */
+			ZEND_MM_BLOCK(mm_block, ZEND_MM_USED_BLOCK, true_size);
+			new_free_block = (zend_mm_free_block *) ZEND_MM_BLOCK_AT(mm_block, true_size);
+
+			ZEND_MM_BLOCK(new_free_block, ZEND_MM_FREE_BLOCK, remaining_size);
+
+			/* add the new free block to the free list */
+			zend_mm_add_to_free_list(heap, new_free_block);
+			heap->size += (true_size - orig_size);
+		}
+		ZEND_MM_SET_DEBUG_INFO(mm_block, size, 0, 0);
+		HANDLE_UNBLOCK_INTERRUPTIONS();
+		return p;
+	}
+
+#if ZEND_MM_CACHE
+	if (ZEND_MM_SMALL_SIZE(true_size)) {
+		size_t index = ZEND_MM_BUCKET_INDEX(true_size);
+		
+		if (heap->cache[index] != NULL) {
+			zend_mm_free_block *best_fit;
+			zend_mm_free_block **cache;
+
+#if ZEND_MM_CACHE_STAT
+			heap->cache_stat[index].count--;
+			heap->cache_stat[index].hit++;
+#endif
+			best_fit = heap->cache[index];
+			heap->cache[index] = best_fit->prev_free_block;
+			ZEND_MM_CHECK_MAGIC(best_fit, MEM_BLOCK_CACHED);
+			ZEND_MM_SET_DEBUG_INFO(best_fit, size, 1, 0);
+	
+			ptr = ZEND_MM_DATA_OF(best_fit);
+
+#if ZEND_DEBUG || ZEND_MM_HEAP_PROTECTION
+			memcpy(ptr, p, mm_block->debug.size);
+#else
+			memcpy(ptr, p, orig_size - ZEND_MM_ALIGNED_HEADER_SIZE);
+#endif
+
+			heap->cached -= true_size - orig_size;
+
+			index = ZEND_MM_BUCKET_INDEX(orig_size);
+			cache = &heap->cache[index];
+
+			((zend_mm_free_block*)mm_block)->prev_free_block = *cache;
+			*cache = (zend_mm_free_block*)mm_block;
+			ZEND_MM_SET_MAGIC(mm_block, MEM_BLOCK_CACHED);
+#if ZEND_MM_CACHE_STAT
+			if (++heap->cache_stat[index].count > heap->cache_stat[index].max_count) {
+				heap->cache_stat[index].max_count = heap->cache_stat[index].count;
+			}
+#endif
+
+			HANDLE_UNBLOCK_INTERRUPTIONS();
+			return ptr;
+		}
+	}
+#endif
+
+	next_block = ZEND_MM_BLOCK_AT(mm_block, orig_size);
+
+	if (ZEND_MM_IS_FREE_BLOCK(next_block)) {
+		ZEND_MM_CHECK_COOKIE(next_block);
+		ZEND_MM_CHECK_BLOCK_LINKAGE(next_block);
+		if (orig_size + ZEND_MM_FREE_BLOCK_SIZE(next_block) >= true_size) {
+			size_t block_size = orig_size + ZEND_MM_FREE_BLOCK_SIZE(next_block);
+			size_t remaining_size = block_size - true_size;
+
+			zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) next_block);
+
+			if (remaining_size < ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
+				true_size = block_size;
+				ZEND_MM_BLOCK(mm_block, ZEND_MM_USED_BLOCK, true_size);
+			} else {
+				zend_mm_free_block *new_free_block;
+
+				/* prepare new free block */
+				ZEND_MM_BLOCK(mm_block, ZEND_MM_USED_BLOCK, true_size);
+				new_free_block = (zend_mm_free_block *) ZEND_MM_BLOCK_AT(mm_block, true_size);
+				ZEND_MM_BLOCK(new_free_block, ZEND_MM_FREE_BLOCK, remaining_size);
+
+				/* add the new free block to the free list */
+				if (ZEND_MM_IS_FIRST_BLOCK(mm_block) &&
+				    ZEND_MM_IS_GUARD_BLOCK(ZEND_MM_BLOCK_AT(new_free_block, remaining_size))) {
+					zend_mm_add_to_rest_list(heap, new_free_block);
+				} else {
+					zend_mm_add_to_free_list(heap, new_free_block);
+				}
+			}
+			ZEND_MM_SET_DEBUG_INFO(mm_block, size, 0, 0);
+			heap->size = heap->size + true_size - orig_size;
+			if (heap->peak < heap->size) {
+				heap->peak = heap->size;
+			}
+			HANDLE_UNBLOCK_INTERRUPTIONS();
+			return p;
+		} else if (ZEND_MM_IS_FIRST_BLOCK(mm_block) &&
+				   ZEND_MM_IS_GUARD_BLOCK(ZEND_MM_BLOCK_AT(next_block, ZEND_MM_FREE_BLOCK_SIZE(next_block)))) {
+			zend_mm_remove_from_free_list(heap, (zend_mm_free_block *) next_block);
+			goto realloc_segment;
+		}
+	} else if (ZEND_MM_IS_FIRST_BLOCK(mm_block) && ZEND_MM_IS_GUARD_BLOCK(next_block)) {
+		zend_mm_segment *segment;
+		zend_mm_segment *segment_copy;
+		size_t segment_size;
+		size_t block_size;
+		size_t remaining_size;
+
+realloc_segment:
+		/* segment size, size of block and size of guard block */
+		if (true_size > heap->block_size - (ZEND_MM_ALIGNED_SEGMENT_SIZE + ZEND_MM_ALIGNED_HEADER_SIZE)) {
+			segment_size = true_size+ZEND_MM_ALIGNED_SEGMENT_SIZE+ZEND_MM_ALIGNED_HEADER_SIZE;
+			segment_size = (segment_size + (heap->block_size-1)) & ~(heap->block_size-1);
+		} else {
+			segment_size = heap->block_size;
+		}
+
+		segment_copy = (zend_mm_segment *) ((char *)mm_block - ZEND_MM_ALIGNED_SEGMENT_SIZE);
+		if (segment_size < true_size ||
+		    heap->real_size + segment_size - segment_copy->size > heap->limit) {
+			if (ZEND_MM_IS_FREE_BLOCK(next_block)) {
+				zend_mm_add_to_free_list(heap, (zend_mm_free_block *) next_block);
+			}
+#if ZEND_MM_CACHE
+			zend_mm_free_cache(heap);
+#endif
+			HANDLE_UNBLOCK_INTERRUPTIONS();
+#if ZEND_DEBUG
+			zend_mm_safe_error(heap, "Allowed memory size of %ld bytes exhausted at %s:%d (tried to allocate %ld bytes)", heap->limit, __zend_filename, __zend_lineno, size);
+#else
+			zend_mm_safe_error(heap, "Allowed memory size of %ld bytes exhausted (tried to allocate %ld bytes)", heap->limit, size);
+#endif
+			return NULL;
+		}
+
+		segment = ZEND_MM_STORAGE_REALLOC(segment_copy, segment_size);
+		if (!segment) {
+#if ZEND_MM_CACHE
+			zend_mm_free_cache(heap);
+#endif
+out_of_memory:
+			HANDLE_UNBLOCK_INTERRUPTIONS();
+#if ZEND_DEBUG
+			zend_mm_safe_error(heap, "Out of memory (allocated %ld) at %s:%d (tried to allocate %ld bytes)", heap->real_size, __zend_filename, __zend_lineno, size);
+#else
+			zend_mm_safe_error(heap, "Out of memory (allocated %ld) (tried to allocate %ld bytes)", heap->real_size, size);
+#endif
+			return NULL;
+		}
+		heap->real_size += segment_size - segment->size;
+		if (heap->real_size > heap->real_peak) {
+			heap->real_peak = heap->real_size;
+		}
+
+		segment->size = segment_size;
+
+		if (segment != segment_copy) {
+			zend_mm_segment **seg = &heap->segments_list;
+			while (*seg != segment_copy) {
+				seg = &(*seg)->next_segment;
+			}
+			*seg = segment;
+			mm_block = (zend_mm_block *) ((char *) segment + ZEND_MM_ALIGNED_SEGMENT_SIZE);
+			ZEND_MM_MARK_FIRST_BLOCK(mm_block);
+		}
+
+		block_size = segment_size - ZEND_MM_ALIGNED_SEGMENT_SIZE - ZEND_MM_ALIGNED_HEADER_SIZE;
+		remaining_size = block_size - true_size;
+
+		/* setup guard block */
+		ZEND_MM_LAST_BLOCK(ZEND_MM_BLOCK_AT(mm_block, block_size));
+
+		if (remaining_size < ZEND_MM_ALIGNED_MIN_HEADER_SIZE) {
+			true_size = block_size;
+			ZEND_MM_BLOCK(mm_block, ZEND_MM_USED_BLOCK, true_size);
+		} else {
+			zend_mm_free_block *new_free_block;
+
+			/* prepare new free block */
+			ZEND_MM_BLOCK(mm_block, ZEND_MM_USED_BLOCK, true_size);
+			new_free_block = (zend_mm_free_block *) ZEND_MM_BLOCK_AT(mm_block, true_size);
+			ZEND_MM_BLOCK(new_free_block, ZEND_MM_FREE_BLOCK, remaining_size);
+
+			/* add the new free block to the free list */
+			zend_mm_add_to_rest_list(heap, new_free_block);
+		}
+
+		ZEND_MM_SET_DEBUG_INFO(mm_block, size, 1, 1);
+
+		heap->size = heap->size + true_size - orig_size;
+		if (heap->peak < heap->size) {
+			heap->peak = heap->size;
+		}
+
+		HANDLE_UNBLOCK_INTERRUPTIONS();
+		return ZEND_MM_DATA_OF(mm_block);
+	}
+
+	ptr = _zend_mm_alloc_int(heap, size ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+#if ZEND_DEBUG || ZEND_MM_HEAP_PROTECTION
+	memcpy(ptr, p, mm_block->debug.size);
+#else
+	memcpy(ptr, p, orig_size - ZEND_MM_ALIGNED_HEADER_SIZE);
+#endif
+	_zend_mm_free_int(heap, p ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+	HANDLE_UNBLOCK_INTERRUPTIONS();
+	return ptr;
+}
+
+ZEND_API void *_zend_mm_alloc(zend_mm_heap *heap, size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	return _zend_mm_alloc_int(heap, size ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+}
+
+ZEND_API void _zend_mm_free(zend_mm_heap *heap, void *p ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	_zend_mm_free_int(heap, p ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+}
+
+ZEND_API void *_zend_mm_realloc(zend_mm_heap *heap, void *ptr, size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	return _zend_mm_realloc_int(heap, ptr, size ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+}
+
+ZEND_API size_t _zend_mm_block_size(zend_mm_heap *heap, void *p ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	zend_mm_block *mm_block;
+
+	if (!ZEND_MM_VALID_PTR(p)) {
+		return 0;
+	}
+	mm_block = ZEND_MM_HEADER_OF(p);
+	ZEND_MM_CHECK_PROTECTION(mm_block);
+#if ZEND_DEBUG || ZEND_MM_HEAP_PROTECTION
+	return mm_block->debug.size;
+#else
+	return ZEND_MM_BLOCK_SIZE(mm_block);
+#endif
+}
+
+/**********************/
+/* Allocation Manager */
+/**********************/
+
+typedef struct _zend_alloc_globals {
+	zend_mm_heap *mm_heap;
+} zend_alloc_globals;
+
+#ifdef ZTS
+static int alloc_globals_id;
+# define AG(v) TSRMG(alloc_globals_id, zend_alloc_globals *, v)
+#else
+# define AG(v) (alloc_globals.v)
+static zend_alloc_globals alloc_globals;
+#endif
+
+ZEND_API int is_zend_mm(TSRMLS_D)
+{
+	return AG(mm_heap)->use_zend_alloc;
+}
+
+ZEND_API void *_emalloc(size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	TSRMLS_FETCH();
+
+	if (UNEXPECTED(!AG(mm_heap)->use_zend_alloc)) {
+		return AG(mm_heap)->_malloc(size);
+	}
+	return _zend_mm_alloc_int(AG(mm_heap), size ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+}
+
+ZEND_API void _efree(void *ptr ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	TSRMLS_FETCH();
+
+	if (UNEXPECTED(!AG(mm_heap)->use_zend_alloc)) {
+		AG(mm_heap)->_free(ptr);
+		return;
+	}
+	_zend_mm_free_int(AG(mm_heap), ptr ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+}
+
+ZEND_API void *_erealloc(void *ptr, size_t size, int allow_failure ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	TSRMLS_FETCH();
+
+	if (UNEXPECTED(!AG(mm_heap)->use_zend_alloc)) {
+		return AG(mm_heap)->_realloc(ptr, size);
+	}
+	return _zend_mm_realloc_int(AG(mm_heap), ptr, size ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+}
+
+ZEND_API size_t _zend_mem_block_size(void *ptr TSRMLS_DC ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	if (UNEXPECTED(!AG(mm_heap)->use_zend_alloc)) {
+		return 0;
+	}
+	return _zend_mm_block_size(AG(mm_heap), ptr ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+}
+
+#if defined(__GNUC__) && (defined(__native_client__) || defined(i386))
+
+static inline size_t safe_address(size_t nmemb, size_t size, size_t offset)
+{
+	size_t res = nmemb;
+	unsigned long overflow = 0;
+
+	__asm__ ("mull %3\n\taddl %4,%0\n\tadcl %1,%1"
+	     : "=&a"(res), "=&d" (overflow)
+	     : "%0"(res),
+	       "rm"(size),
+	       "rm"(offset));
+	
+	if (UNEXPECTED(overflow)) {
+		zend_error_noreturn(E_ERROR, "Possible integer overflow in memory allocation (%zu * %zu + %zu)", nmemb, size, offset);
+		return 0;
+	}
+	return res;
+}
+
+#elif defined(__GNUC__) && defined(__x86_64__)
+
+static inline size_t safe_address(size_t nmemb, size_t size, size_t offset)
+{
+        size_t res = nmemb;
+        unsigned long overflow = 0;
+
+        __asm__ ("mulq %3\n\taddq %4,%0\n\tadcq %1,%1"
+             : "=&a"(res), "=&d" (overflow)
+             : "%0"(res),
+               "rm"(size),
+               "rm"(offset));
+
+        if (UNEXPECTED(overflow)) {
+                zend_error_noreturn(E_ERROR, "Possible integer overflow in memory allocation (%zu * %zu + %zu)", nmemb, size, offset);
+                return 0;
+        }
+        return res;
+}
+
+#elif SIZEOF_SIZE_T == 4 && defined(HAVE_ZEND_LONG64)
+
+static inline size_t safe_address(size_t nmemb, size_t size, size_t offset)
+{
+	zend_ulong64 res = (zend_ulong64)nmemb * (zend_ulong64)size + (zend_ulong64)offset;
+
+	if (UNEXPECTED(res > (zend_ulong64)0xFFFFFFFFL)) {
+		zend_error_noreturn(E_ERROR, "Possible integer overflow in memory allocation (%zu * %zu + %zu)", nmemb, size, offset);
+		return 0;
+	}
+	return (size_t) res;
+}
+
+#else
+
+static inline size_t safe_address(size_t nmemb, size_t size, size_t offset)
+{
+	size_t res = nmemb * size + offset;
+	double _d  = (double)nmemb * (double)size + (double)offset;
+	double _delta = (double)res - _d;
+
+	if (UNEXPECTED((_d + _delta ) != _d)) {
+		zend_error_noreturn(E_ERROR, "Possible integer overflow in memory allocation (%zu * %zu + %zu)", nmemb, size, offset);
+		return 0;
+	}
+	return res;
+}
+#endif
+
+
+ZEND_API void *_safe_emalloc(size_t nmemb, size_t size, size_t offset ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	return emalloc_rel(safe_address(nmemb, size, offset));
+}
+
+ZEND_API void *_safe_malloc(size_t nmemb, size_t size, size_t offset)
+{
+	return pemalloc(safe_address(nmemb, size, offset), 1);
+}
+
+ZEND_API void *_safe_erealloc(void *ptr, size_t nmemb, size_t size, size_t offset ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	return erealloc_rel(ptr, safe_address(nmemb, size, offset));
+}
+
+ZEND_API void *_safe_realloc(void *ptr, size_t nmemb, size_t size, size_t offset)
+{
+	return perealloc(ptr, safe_address(nmemb, size, offset), 1);
+}
+
+
+ZEND_API void *_ecalloc(size_t nmemb, size_t size ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	void *p;
+#ifdef ZEND_SIGNALS
+	TSRMLS_FETCH();
+#endif
+	HANDLE_BLOCK_INTERRUPTIONS();
+
+	p = _safe_emalloc(nmemb, size, 0 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+	if (UNEXPECTED(p == NULL)) {
+		HANDLE_UNBLOCK_INTERRUPTIONS();
+		return p;
+	}
+	memset(p, 0, size * nmemb);
+	HANDLE_UNBLOCK_INTERRUPTIONS();
+	return p;
+}
+
+ZEND_API char *_estrdup(const char *s ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	int length;
+	char *p;
+#ifdef ZEND_SIGNALS
+	TSRMLS_FETCH();
+#endif
+
+	HANDLE_BLOCK_INTERRUPTIONS();
+
+	length = strlen(s)+1;
+	p = (char *) _emalloc(length ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+	if (UNEXPECTED(p == NULL)) {
+		HANDLE_UNBLOCK_INTERRUPTIONS();
+		return p;
+	}
+	memcpy(p, s, length);
+	HANDLE_UNBLOCK_INTERRUPTIONS();
+	return p;
+}
+
+ZEND_API char *_estrndup(const char *s, uint length ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	char *p;
+#ifdef ZEND_SIGNALS
+	TSRMLS_FETCH();
+#endif
+
+	HANDLE_BLOCK_INTERRUPTIONS();
+
+	p = (char *) _emalloc(length+1 ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+	if (UNEXPECTED(p == NULL)) {
+		HANDLE_UNBLOCK_INTERRUPTIONS();
+		return p;
+	}
+	memcpy(p, s, length);
+	p[length] = 0;
+	HANDLE_UNBLOCK_INTERRUPTIONS();
+	return p;
+}
+
+
+ZEND_API char *zend_strndup(const char *s, uint length)
+{
+	char *p;
+#ifdef ZEND_SIGNALS
+	TSRMLS_FETCH();
+#endif
+
+	HANDLE_BLOCK_INTERRUPTIONS();
+
+	p = (char *) malloc(length+1);
+	if (UNEXPECTED(p == NULL)) {
+		HANDLE_UNBLOCK_INTERRUPTIONS();
+		return p;
+	}
+	if (length) {
+		memcpy(p, s, length);
+	}
+	p[length] = 0;
+	HANDLE_UNBLOCK_INTERRUPTIONS();
+	return p;
+}
+
+
+ZEND_API int zend_set_memory_limit(size_t memory_limit)
+{
+	TSRMLS_FETCH();
+
+	AG(mm_heap)->limit = (memory_limit >= AG(mm_heap)->block_size) ? memory_limit : AG(mm_heap)->block_size;
+
+	return SUCCESS;
+}
+
+ZEND_API size_t zend_memory_usage(int real_usage TSRMLS_DC)
+{
+	if (real_usage) {
+		return AG(mm_heap)->real_size;
+	} else {
+		size_t usage = AG(mm_heap)->size;
+#if ZEND_MM_CACHE
+		usage -= AG(mm_heap)->cached;
+#endif
+		return usage;
+	}
+}
+
+ZEND_API size_t zend_memory_peak_usage(int real_usage TSRMLS_DC)
+{
+	if (real_usage) {
+		return AG(mm_heap)->real_peak;
+	} else {
+		return AG(mm_heap)->peak;
+	}
+}
+
+ZEND_API void shutdown_memory_manager(int silent, int full_shutdown TSRMLS_DC)
+{
+	zend_mm_shutdown(AG(mm_heap), full_shutdown, silent TSRMLS_CC);
+}
+
+static void alloc_globals_ctor(zend_alloc_globals *alloc_globals TSRMLS_DC)
+{
+	char *tmp = getenv("USE_ZEND_ALLOC");
+
+	if (tmp && !zend_atoi(tmp, 0)) {
+		alloc_globals->mm_heap = malloc(sizeof(struct _zend_mm_heap));
+		memset(alloc_globals->mm_heap, 0, sizeof(struct _zend_mm_heap));
+		alloc_globals->mm_heap->use_zend_alloc = 0;
+		alloc_globals->mm_heap->_malloc = malloc;
+		alloc_globals->mm_heap->_free = free;
+		alloc_globals->mm_heap->_realloc = realloc;
+	} else {
+		alloc_globals->mm_heap = zend_mm_startup();
+	}
+}
+
+#ifdef ZTS
+static void alloc_globals_dtor(zend_alloc_globals *alloc_globals TSRMLS_DC)
+{
+	shutdown_memory_manager(1, 1 TSRMLS_CC);
+}
+#endif
+
+ZEND_API void start_memory_manager(TSRMLS_D)
+{
+#ifdef ZTS
+	ts_allocate_id(&alloc_globals_id, sizeof(zend_alloc_globals), (ts_allocate_ctor) alloc_globals_ctor, (ts_allocate_dtor) alloc_globals_dtor);
+#else
+	alloc_globals_ctor(&alloc_globals);
+#endif
+}
+
+ZEND_API zend_mm_heap *zend_mm_set_heap(zend_mm_heap *new_heap TSRMLS_DC)
+{
+	zend_mm_heap *old_heap;
+
+	old_heap = AG(mm_heap);
+	AG(mm_heap) = new_heap;
+	return old_heap;
+}
+
+ZEND_API zend_mm_storage *zend_mm_get_storage(zend_mm_heap *heap)
+{
+	return heap->storage;
+}
+
+ZEND_API void zend_mm_set_custom_handlers(zend_mm_heap *heap,
+                                          void* (*_malloc)(size_t),
+                                          void  (*_free)(void*),
+                                          void* (*_realloc)(void*, size_t))
+{
+	heap->use_zend_alloc = 0;
+	heap->_malloc = _malloc;
+	heap->_free = _free;
+	heap->_realloc = _realloc;
+}
+
+#if ZEND_DEBUG
+ZEND_API int _mem_block_check(void *ptr, int silent ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	TSRMLS_FETCH();
+
+	if (!AG(mm_heap)->use_zend_alloc) {
+		return 1;
+	}
+	return zend_mm_check_ptr(AG(mm_heap), ptr, silent ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+}
+
+
+ZEND_API void _full_mem_check(int silent ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC)
+{
+	int errors;
+	TSRMLS_FETCH();
+
+	if (!AG(mm_heap)->use_zend_alloc) {
+		return;
+	}
+
+	zend_debug_alloc_output("------------------------------------------------\n");
+	zend_debug_alloc_output("Full Memory Check at %s:%d\n" ZEND_FILE_LINE_RELAY_CC);
+
+	errors = zend_mm_check_heap(AG(mm_heap), silent ZEND_FILE_LINE_RELAY_CC ZEND_FILE_LINE_ORIG_RELAY_CC);
+
+	zend_debug_alloc_output("End of full memory check %s:%d (%d errors)\n" ZEND_FILE_LINE_RELAY_CC, errors);
+	zend_debug_alloc_output("------------------------------------------------\n");
+}
+#endif
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ */