Zend Library

1 files changed, 117 insertions, 0 deletions

diff --git a/Zend/zend_alloc.h b/Zend/zend_alloc.h
new file mode 100644
index 0000000000..0caddae81f
--- /dev/null
+++ b/Zend/zend_alloc.h
@@ -0,0 +1,117 @@
+/*
+   +----------------------------------------------------------------------+
+   | Zend Engine                                                          |
+   +----------------------------------------------------------------------+
+   | Copyright (c) 1998, 1999 Andi Gutmans, Zeev Suraski                  |
+   +----------------------------------------------------------------------+
+   | This source file is subject to the Zend license, that is bundled     |
+   | with this package in the file LICENSE.  If you did not receive a     |
+   | copy of the Zend license, please mail us at zend@zend.com so we can  |
+   | send you a copy immediately.                                         |
+   +----------------------------------------------------------------------+
+   | Authors: Andi Gutmans <andi@zend.com>                                |
+   |          Zeev Suraski <zeev@zend.com>                                |
+   +----------------------------------------------------------------------+
+*/
+
+#ifndef _ALLOC_H
+#define _ALLOC_H
+
+#include <stdio.h>
+
+#define MEM_BLOCK_START_MAGIC	0x7312F8DCL
+#define MEM_BLOCK_END_MAGIC		0x2A8FCC84L
+#define MEM_BLOCK_FREED_MAGIC	0x99954317L
+#define MEM_BLOCK_CACHED_MAGIC	0xFB8277DCL
+
+typedef struct _mem_header {
+#if ZEND_DEBUG
+	long magic;
+	char *filename;
+	uint lineno;
+#endif
+    struct _mem_header *pNext;
+    struct _mem_header *pLast;
+	unsigned int size:30;
+	unsigned int persistent:1;
+	unsigned int cached:1;
+} mem_header;
+
+typedef union {
+	void *ptr;
+	double dbl;
+	long lng;
+} align_test;
+
+#define MAX_CACHED_MEMORY   64
+#define MAX_CACHED_ENTRIES	16
+
+#define PLATFORM_ALIGNMENT (sizeof(align_test))
+#define PLATFORM_PADDING (((PLATFORM_ALIGNMENT-sizeof(mem_header))%PLATFORM_ALIGNMENT+PLATFORM_ALIGNMENT)%PLATFORM_ALIGNMENT)
+
+ZEND_API char *zend_strndup(const char *s, unsigned int length);
+
+#if ZEND_DEBUG
+ZEND_API void *_emalloc(size_t size,char *filename,uint lineno);
+ZEND_API void _efree(void *ptr,char *filename,uint lineno);
+ZEND_API void *_ecalloc(size_t nmemb, size_t size,char *filename,uint lineno);
+ZEND_API void *_erealloc(void *ptr, size_t size,char *filename,uint lineno);
+ZEND_API char *_estrdup(const char *s,char *filename,uint lineno);
+ZEND_API char *_estrndup(const char *s, unsigned int length,char *filename,uint lineno);
+ZEND_API void _persist_alloc(void *ptr, char *filename, uint lineno);
+#define emalloc(size)			_emalloc((size),__FILE__,__LINE__)
+#define efree(ptr)				_efree((ptr),__FILE__,__LINE__)
+#define ecalloc(nmemb,size)		_ecalloc((nmemb),(size),__FILE__,__LINE__)
+#define erealloc(ptr,size)		_erealloc((ptr),(size),__FILE__,__LINE__)
+#define estrdup(s)				_estrdup((s),__FILE__,__LINE__)
+#define estrndup(s,length)		_estrndup((s),(length),__FILE__,__LINE__)
+#define persist_alloc(p)		_persist_alloc((p),__FILE__,__LINE__)
+#else
+ZEND_API void *_emalloc(size_t size);
+ZEND_API void _efree(void *ptr);
+ZEND_API void *_ecalloc(size_t nmemb, size_t size);
+ZEND_API void *_erealloc(void *ptr, size_t size);
+ZEND_API char *_estrdup(const char *s);
+ZEND_API char *_estrndup(const char *s, unsigned int length);
+ZEND_API void _persist_alloc(void *ptr);
+#define emalloc(size)			_emalloc((size))
+#define efree(ptr)				_efree((ptr))
+#define ecalloc(nmemb,size)		_ecalloc((nmemb),(size))
+#define erealloc(ptr,size)		_erealloc((ptr),(size))
+#define estrdup(s)				_estrdup((s))
+#define estrndup(s,length)		_estrndup((s),(length))
+#define persist_alloc(p)		_persist_alloc((p))
+#endif
+
+#define pemalloc(size,persistent) ((persistent)?malloc(size):emalloc(size))
+#define pefree(ptr,persistent)  ((persistent)?free(ptr):efree(ptr))
+#define pecalloc(nmemb,size,persistent) ((persistent)?calloc((nmemb),(size)):ecalloc((nmemb),(size)))
+#define perealloc(ptr,size,persistent) ((persistent)?realloc((ptr),(size)):erealloc((ptr),(size)))
+#define pestrdup(s,persistent) ((persistent)?strdup(s):estrdup(s))
+
+#define safe_estrdup(ptr)  ((ptr)?(estrdup(ptr)):(empty_string))
+#define safe_estrndup(ptr,len) ((ptr)?(estrndup((ptr),(len))):(empty_string))
+
+ZEND_API void start_memory_manager(void);
+ZEND_API void shutdown_memory_manager(int silent, int clean_cache);
+
+#if ZEND_DEBUG
+ZEND_API int _mem_block_check(void *ptr, int silent, char *filename, int lineno);
+ZEND_API void _full_mem_check(int silent, char *filename, uint lineno);
+#define mem_block_check(ptr, silent) _mem_block_check(ptr, silent, __FILE__, __LINE__)
+#define mem_block_check(ptr, silent) _mem_block_check(ptr, silent, __FILE__, __LINE__)
+#define full_mem_check(silent) _full_mem_check(silent, __FILE__, __LINE__)
+#else
+#define mem_block_check(type, ptr, silent)
+#define full_mem_check(silent)
+#endif
+
+
+#endif
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ */