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
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/* emem.h
* Definitions for ethereal memory management and garbage collection
* Ronnie Sahlberg 2005
*
* $Id$
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@ethereal.com>
* Copyright 1998 Gerald Combs
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __EMEM_H__
#define __EMEM_H__
#include "gnuc_format_check.h"
/* Functions for handling memory allocation and garbage collection with
* a packet lifetime scope.
* These functions are used to allocate memory that will only remain persistent
* until ethereal starts dissecting the next packet in the list.
* Everytime ethereal starts decoding the next packet all memory allocated
* through these functions will be released back to the free pool.
*
* These functions are very fast and offer automatic garbage collection:
* Everytime a new packet is dissected, all memory allocations done in
* the previous packet is freed.
*/
/* Initialize packet-lifetime memory allocation pool. This function is called
* once when [t]ethereal is initialized to set up the required structures.
*/
void ep_init_chunk(void);
/* Allocate memory with a packet lifetime scope */
void *ep_alloc(size_t size);
/* Allocate memory with a packet lifetime scope and fill it with zeros*/
void* ep_alloc0(size_t size);
/* Duplicate a string with a packet lifetime scope */
gchar* ep_strdup(const gchar* src);
/* Duplicate at most n characters of a string with a packet lifetime scope */
gchar* ep_strndup(const gchar* src, size_t len);
/* Duplicate a buffer with a packet lifetime scope */
guint8* ep_memdup(const guint8* src, size_t len);
/* Create a formated string with a packet lifetime scope */
gchar* ep_strdup_printf(const gchar* fmt, ...)
GNUC_FORMAT_CHECK(printf, 1, 2);
/* allocates with a packet lifetime scope an array of type made of num elements */
#define ep_alloc_array(type,num) (type*)ep_alloc(sizeof(type)*(num))
/*
* Splits a string into a maximum of max_tokens pieces, using the given
* delimiter. If max_tokens is reached, the remainder of string is appended
* to the last token. Consecutive delimiters are treated as a single delimiter.
*
* the vector and all the strings are allocated with packet lifetime scope
*/
gchar** ep_strsplit(const gchar* string, const gchar* delimiter, int max_tokens);
/* release all memory allocated in the previous packet dissector */
void ep_free_all(void);
/* Functions for handling memory allocation and garbage collection with
* a capture lifetime scope.
* These functions are used to allocate memory that will only remain persistent
* until ethereal opens a new capture or capture file.
* Everytime ethereal starts a new capture or opens a new capture file
* all the data allocated through these functions will be released back
* to the free pool.
*
* These functions are very fast and offer automatic garbage collection.
*/
/* Initialize capture-lifetime memory allocation pool. This function is called
* once when [t]ethereal is initialized to set up the required structures.
*/
void se_init_chunk(void);
/* Allocate memory with a capture lifetime scope */
void *se_alloc(size_t size);
/* Allocate memory with a capture lifetime scope and fill it with zeros*/
void* se_alloc0(size_t size);
/* Duplicate a string with a capture lifetime scope */
gchar* se_strdup(const gchar* src);
/* Duplicate at most n characters of a string with a capture lifetime scope */
gchar* se_strndup(const gchar* src, size_t len);
/* Duplicate a buffer with a capture lifetime scope */
guint8* se_memdup(const guint8* src, size_t len);
/* Create a formated string with a capture lifetime scope */
gchar* se_strdup_printf(const gchar* fmt, ...)
GNUC_FORMAT_CHECK(printf, 1, 2);
/* allocates with a capture lifetime scope an array of type made of num elements */
#define se_alloc_array(type,num) (type*)se_alloc(sizeof(type)*(num))
/* release all memory allocated */
void se_free_all(void);
#endif /* emem.h */
|