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
|
/*
* Copyright (C) 2011-2012 Free Software Foundation, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
#ifndef GNUTLS_STR_ARRAY_H
#define GNUTLS_STR_ARRAY_H
#include <gnutls_int.h>
#include <gnutls_errors.h>
/* Functionality to allow an array of strings. Strings
* are allowed to be added to the list and matched against it.
*/
typedef struct gnutls_str_array_st
{
char* str;
unsigned int len;
struct gnutls_str_array_st* next;
} *gnutls_str_array_t;
inline static void _gnutls_str_array_init(gnutls_str_array_t* head)
{
*head = NULL;
}
inline static void _gnutls_str_array_clear (gnutls_str_array_t *head)
{
gnutls_str_array_t prev, array = *head;
while(array != NULL)
{
prev = array;
array = prev->next;
gnutls_free(prev);
}
*head = NULL;
}
inline static int _gnutls_str_array_match (gnutls_str_array_t head, const char* str)
{
gnutls_str_array_t array = head;
while(array != NULL)
{
if (strcmp(array->str, str) == 0) return 1;
array = array->next;
}
return 0;
}
inline static void append(gnutls_str_array_t array, const char* str, int len)
{
array->str = ((char*)array) + sizeof(struct gnutls_str_array_st);
memcpy(array->str, str, len);
array->str[len] = 0;
array->len = len;
array->next = NULL;
}
inline static int _gnutls_str_array_append (gnutls_str_array_t* head, const char* str, int len)
{
gnutls_str_array_t prev, array;
if (*head == NULL)
{
*head = gnutls_malloc(len + 1 + sizeof(struct gnutls_str_array_st));
if (*head == NULL)
return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
array = *head;
append(array, str, len);
}
else
{
array = *head;
prev = array;
while(array != NULL)
{
prev = array;
array = prev->next;
}
prev->next = gnutls_malloc(len + 1 + sizeof(struct gnutls_str_array_st));
array = prev->next;
if (array == NULL)
return gnutls_assert_val(GNUTLS_E_MEMORY_ERROR);
append(array, str, len);
}
return 0;
}
#endif
|
