1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
|
/*
* This file is a part of the Zend scripting language engine. It may
* be freely distributed as an integrated part of the PHP scripting language,
* or under the Zend license, which is not yet available at this time.
*
* Authors: Andi Gutmans <andi@zend.com>, Zeev Suraski <zeev@zend.com>
*/
#ifndef _ALLOC_H
#define _ALLOC_H
#include <stdio.h>
#include "php.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 DEBUG
long magic;
char *filename;
uint lineno;
#endif
struct _mem_header *pNext;
struct _mem_header *pLast;
int size;
} 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)
extern PHPAPI char *php3_strndup(const char *s, unsigned int length);
#if DEBUG
extern PHPAPI void *_emalloc(size_t size,char *filename,uint lineno);
extern PHPAPI void _efree(void *ptr,char *filename,uint lineno);
extern PHPAPI void *_ecalloc(size_t nmemb, size_t size,char *filename,uint lineno);
extern PHPAPI void *_erealloc(void *ptr, size_t size,char *filename,uint lineno);
extern PHPAPI char *_estrdup(const char *s,char *filename,uint lineno);
extern PHPAPI char *_estrndup(const char *s, unsigned int length,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__)
#else
extern PHPAPI void *_emalloc(size_t size);
extern PHPAPI void _efree(void *ptr);
extern PHPAPI void *_ecalloc(size_t nmemb, size_t size);
extern PHPAPI void *_erealloc(void *ptr, size_t size);
extern PHPAPI char *_estrdup(const char *s);
extern PHPAPI char *_estrndup(const char *s, unsigned int length);
#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))
#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))
extern void start_memory_manager(void);
extern void shutdown_memory_manager(void);
#if DEBUG
int _mem_block_check(void *ptr, int silent, char *filename, int lineno);
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:
*/
|
