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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/*
* Copyright (c) 2009-2015, Vsevolod Stakhov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FSTRING_H
#define FSTRING_H
#include "config.h"
#include "mem_pool.h"
/**
* Fixed strings library
* These strings are NOT null-terminated for speed
*/
typedef struct f_str_s {
gsize len;
gsize allocated;
gchar str[];
} rspamd_fstring_t;
typedef struct f_str_tok {
gsize len;
const gchar *begin;
} rspamd_ftok_t;
/**
* Create new fixed length string
*/
rspamd_fstring_t* rspamd_fstring_new (void)
G_GNUC_WARN_UNUSED_RESULT;
/**
* Create new fixed length string with preallocated size
*/
rspamd_fstring_t *rspamd_fstring_sized_new (gsize initial_size)
G_GNUC_WARN_UNUSED_RESULT;
/**
* Create new fixed length string and initialize it with the initial data
*/
rspamd_fstring_t *rspamd_fstring_new_init (const gchar *init, gsize len)
G_GNUC_WARN_UNUSED_RESULT;
/**
* Assign new value to fixed string
*/
rspamd_fstring_t *rspamd_fstring_assign (rspamd_fstring_t *str,
const gchar *init, gsize len) G_GNUC_WARN_UNUSED_RESULT;
/**
* Free fixed length string
*/
void rspamd_fstring_free (rspamd_fstring_t *str);
/**
* Append data to a fixed length string
*/
rspamd_fstring_t* rspamd_fstring_append (rspamd_fstring_t *str,
const char *in, gsize len) G_GNUC_WARN_UNUSED_RESULT;
/**
* Append `len` repeated chars `c` to string `str`
*/
rspamd_fstring_t *rspamd_fstring_append_chars (rspamd_fstring_t *str,
char c, gsize len) G_GNUC_WARN_UNUSED_RESULT;
/**
* Erase `len` characters at postion `pos`
*/
void rspamd_fstring_erase (rspamd_fstring_t *str, gsize pos, gsize len);
/**
* Convert fixed string to a zero terminated string. This string should be
* freed by a caller
*/
char * rspamd_fstring_cstr (const rspamd_fstring_t *str)
G_GNUC_WARN_UNUSED_RESULT;
/*
* Return fast hash value for fixed string converted to lowercase
*/
guint32 rspamd_fstrhash_lc (const rspamd_ftok_t *str, gboolean is_utf);
/**
* Return true if two strings are equal
*/
gboolean rspamd_fstring_equal (const rspamd_fstring_t *s1,
const rspamd_fstring_t *s2);
/**
* Compare two fixed strings ignoring case
*/
gint rspamd_fstring_casecmp (const rspamd_fstring_t *s1,
const rspamd_fstring_t *s2);
/**
* Compare two fixed strings
*/
gint rspamd_fstring_cmp (const rspamd_fstring_t *s1,
const rspamd_fstring_t *s2);
/**
* Compare two fixed tokens ignoring case
*/
gint rspamd_ftok_casecmp (const rspamd_ftok_t *s1,
const rspamd_ftok_t *s2);
/**
* Compare two fixed tokens
*/
gint rspamd_ftok_cmp (const rspamd_ftok_t *s1,
const rspamd_ftok_t *s2);
/**
* Return TRUE if ftok is equal to specified C string
*/
gboolean rspamd_ftok_cstr_equal (const rspamd_ftok_t *s,
const gchar *pat, gboolean icase);
/**
* Free fstring_t that is mapped to ftok_t
*
* | len | allocated | <data> -- fstring_t
* <begin> -- tok
*
* tok is expected to be allocated with g_slice_alloc
*/
void rspamd_fstring_mapped_ftok_free (gpointer p);
/**
* Map token to a specified string. Token must be freed using g_slice_free1
*/
rspamd_ftok_t *rspamd_ftok_map (const rspamd_fstring_t *s);
#endif
|
