tag.c
2.44 KB
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
/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010-2012, 2014-2016 Free Software Foundation, Inc.
This library 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 library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <errno.h>
#include <mailutils/sys/imap.h>
static int
_mu_imap_tag_incr (mu_imap_t imap)
{
int i = 0;
while (1)
{
if (++imap->tag_buf[i] <= 9)
break;
imap->tag_buf[i] = 0;
if (++i == imap->tag_len)
{
char *sp;
int *np = realloc (imap->tag_buf,
(imap->tag_len + 1) * sizeof imap->tag_buf[0]);
if (!np)
return ENOMEM;
imap->tag_buf = np;
sp = realloc (imap->tag_str,
(imap->tag_len + 2) * sizeof imap->tag_str[0]);
if (!sp)
return ENOMEM;
imap->tag_str = sp;
imap->tag_len++;
}
}
return 0;
}
static void
_mu_imap_tag_print (mu_imap_t imap)
{
int i;
for (i = 0; i < imap->tag_len; i++)
imap->tag_str[imap->tag_len-i-1] = imap->tag_buf[i] + '0';
imap->tag_str[i] = 0;
}
int
_mu_imap_tag_clr (mu_imap_t imap)
{
int i;
if (imap->tag_len == 0)
{
imap->tag_len = 2;
imap->tag_buf = calloc (imap->tag_len, sizeof (imap->tag_buf[0]));
if (!imap->tag_buf)
{
imap->tag_len = 0;
return ENOMEM;
}
imap->tag_str = calloc (imap->tag_len + 1, sizeof (imap->tag_str[0]));
if (!imap->tag_str)
{
free (imap->tag_buf);
imap->tag_buf = NULL;
imap->tag_len = 0;
return ENOMEM;
}
}
for (i = 0; i < imap->tag_len; i++)
imap->tag_buf[i] = 0;
_mu_imap_tag_print (imap);
return 0;
}
int
_mu_imap_tag_next (mu_imap_t imap)
{
int status;
status = _mu_imap_tag_incr (imap);
if (status == 0)
_mu_imap_tag_print (imap);
return status;
}
int
mu_imap_tag (mu_imap_t imap, const char **ptag)
{
if (!imap)
return EINVAL;
*ptag = imap->tag_str;
return 0;
}