xref: /PHP-7.4/ext/mysqlnd/mysqlnd_alloc.h (revision c245898b)
1 /*
2   +----------------------------------------------------------------------+
3   | PHP Version 7                                                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) The PHP Group                                          |
6   +----------------------------------------------------------------------+
7   | This source file is subject to version 3.01 of the PHP license,      |
8   | that is bundled with this package in the file LICENSE, and is        |
9   | available through the world-wide-web at the following url:           |
10   | http://www.php.net/license/3_01.txt                                  |
11   | If you did not receive a copy of the PHP license and are unable to   |
12   | obtain it through the world-wide-web, please send a note to          |
13   | license@php.net so we can mail you a copy immediately.               |
14   +----------------------------------------------------------------------+
15   | Authors: Andrey Hristov <andrey@php.net>                             |
16   |          Ulf Wendel <uw@php.net>                                     |
17   +----------------------------------------------------------------------+
18 */
19 
20 #ifndef MYSQLND_ALLOC_H
21 #define MYSQLND_ALLOC_H
22 
23 PHPAPI extern const char * mysqlnd_debug_std_no_trace_funcs[];
24 
25 #define MYSQLND_MEM_D	ZEND_FILE_LINE_DC
26 #define MYSQLND_MEM_C	ZEND_FILE_LINE_CC
27 
28 struct st_mysqlnd_allocator_methods
29 {
30 	void *	(*m_emalloc)(size_t size MYSQLND_MEM_D);
31 	void *	(*m_pemalloc)(size_t size, zend_bool persistent MYSQLND_MEM_D);
32 	void *	(*m_ecalloc)(unsigned int nmemb, size_t size MYSQLND_MEM_D);
33 	void *	(*m_pecalloc)(unsigned int nmemb, size_t size, zend_bool persistent MYSQLND_MEM_D);
34 	void *	(*m_erealloc)(void *ptr, size_t new_size MYSQLND_MEM_D);
35 	void *	(*m_perealloc)(void *ptr, size_t new_size, zend_bool persistent MYSQLND_MEM_D);
36 	void	(*m_efree)(void *ptr MYSQLND_MEM_D);
37 	void	(*m_pefree)(void *ptr, zend_bool persistent MYSQLND_MEM_D);
38 	void *	(*m_malloc)(size_t size MYSQLND_MEM_D);
39 	void *	(*m_calloc)(unsigned int nmemb, size_t size MYSQLND_MEM_D);
40 	void *	(*m_realloc)(void *ptr, size_t new_size MYSQLND_MEM_D);
41 	void	(*m_free)(void *ptr MYSQLND_MEM_D);
42 	char *	(*m_pememdup)(const char * const ptr, size_t size, zend_bool persistent MYSQLND_MEM_D);
43 	char *	(*m_pestrndup)(const char * const ptr, size_t size, zend_bool persistent MYSQLND_MEM_D);
44 	char *	(*m_pestrdup)(const char * const ptr, zend_bool persistent MYSQLND_MEM_D);
45 	int		(*m_sprintf)(char **pbuf, size_t max_len, const char *format, ...);
46 	int		(*m_vsprintf)(char **pbuf, size_t max_len, const char *format, va_list ap);
47 	void	(*m_sprintf_free)(char * p);
48 };
49 
50 PHPAPI extern struct st_mysqlnd_allocator_methods mysqlnd_allocator;
51 
52 #define mnd_emalloc(size)				mysqlnd_allocator.m_emalloc((size) MYSQLND_MEM_C)
53 #define mnd_pemalloc(size, pers)		mysqlnd_allocator.m_pemalloc((size), (pers) MYSQLND_MEM_C)
54 #define mnd_ecalloc(nmemb, size)		mysqlnd_allocator.m_ecalloc((nmemb), (size) MYSQLND_MEM_C)
55 #define mnd_pecalloc(nmemb, size, p)	mysqlnd_allocator.m_pecalloc((nmemb), (size), (p) MYSQLND_MEM_C)
56 #define mnd_erealloc(ptr, new_size)		mysqlnd_allocator.m_erealloc((ptr), (new_size) MYSQLND_MEM_C)
57 #define mnd_perealloc(ptr, new_size, p)	mysqlnd_allocator.m_perealloc((ptr), (new_size), (p) MYSQLND_MEM_C)
58 #define mnd_efree(ptr)					mysqlnd_allocator.m_efree((ptr) MYSQLND_MEM_C)
59 #define mnd_pefree(ptr, pers)			mysqlnd_allocator.m_pefree((ptr), (pers) MYSQLND_MEM_C)
60 #define mnd_malloc(size)				mysqlnd_allocator.m_malloc((size) MYSQLND_MEM_C)
61 #define mnd_calloc(nmemb, size)			mysqlnd_allocator.m_calloc((nmemb), (size) MYSQLND_MEM_C)
62 #define mnd_realloc(ptr, new_size)		mysqlnd_allocator.m_realloc((ptr), (new_size) MYSQLND_MEM_C)
63 #define mnd_free(ptr)					mysqlnd_allocator.m_free((ptr) MYSQLND_MEM_C)
64 #define mnd_pememdup(ptr, size, pers)	mysqlnd_allocator.m_pememdup((ptr), (size), (pers) MYSQLND_MEM_C)
65 #define mnd_pestrndup(ptr, size, pers)	mysqlnd_allocator.m_pestrndup((ptr), (size), (pers) MYSQLND_MEM_C)
66 #define mnd_pestrdup(ptr, pers)			mysqlnd_allocator.m_pestrdup((ptr), (pers) MYSQLND_MEM_C)
67 #define mnd_sprintf(p, mx_len, fmt,...) mysqlnd_allocator.m_sprintf((p), (mx_len), (fmt), __VA_ARGS__)
68 #define mnd_vsprintf(p, mx_len, fmt,ap) mysqlnd_allocator.m_vsprintf((p), (mx_len), (fmt), (ap))
69 #define mnd_sprintf_free(p)				mysqlnd_allocator.m_sprintf_free((p))
70 
mnd_dup_cstring(const MYSQLND_CSTRING str,const zend_bool persistent)71 static inline MYSQLND_STRING mnd_dup_cstring(const MYSQLND_CSTRING str, const zend_bool persistent)
72 {
73 	const MYSQLND_STRING ret = {(char*) mnd_pemalloc(str.l + 1, persistent), str.l};
74 	if (ret.s) {
75 		memcpy(ret.s, str.s, str.l);
76 		ret.s[str.l] = '\0';
77 	}
78 	return ret;
79 }
80 
mnd_str2c(const MYSQLND_STRING str)81 static inline MYSQLND_CSTRING mnd_str2c(const MYSQLND_STRING str)
82 {
83 	const MYSQLND_CSTRING ret = {str.s, str.l};
84 	return ret;
85 }
86 
87 #endif /* MYSQLND_ALLOC_H */
88