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
158
159
160
161
|
/* Copyright (C) 2004-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by GOTO Masanori <gotom@debian.or.jp>, 2004
The GNU C 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 2.1 of the License, or (at your option) any later version.
The GNU C 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <iconv.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#define SIZE 256 /* enough room for conversion */
#define SAMPLESTR "abc"
struct unalign
{
char str1[1];
char str2[SIZE];
};
struct convcode
{
const char *tocode;
const char *fromcode;
};
/* test builtin transformation */
static const struct convcode testcode[] = {
{"ASCII", "ASCII"},
{"UTF-8", "ASCII"},
{"UCS-2BE", "ASCII"},
{"UCS-2LE", "ASCII"},
{"UCS-4BE", "ASCII"},
{"UCS-4LE", "ASCII"},
};
static const int number = (int) sizeof (testcode) / sizeof (struct convcode);
static int
convert (const char *tocode, const char *fromcode, char *inbufp,
size_t inbytesleft, char *outbufp, size_t outbytesleft)
{
iconv_t *ic;
size_t outbytes = outbytesleft;
int ret;
ic = iconv_open (tocode, fromcode);
if (ic == (iconv_t *) - 1)
{
printf ("iconv_open failed: from: %s, to: %s: %s",
fromcode, tocode, strerror (errno));
return -1;
}
while (inbytesleft > 0)
{
ret = iconv (ic, &inbufp, &inbytesleft, &outbufp, &outbytes);
if (ret == -1)
{
printf ("iconv failed: from: %s, to: %s: %s",
fromcode, tocode, strerror (errno));
return -1;
}
}
ret = iconv_close (ic);
if (ret == -1)
{
printf ("iconv_close failed: from: %s, to: %s: %s",
fromcode, tocode, strerror (errno));
return -1;
}
return outbytesleft - outbytes;
}
static int
test_unalign (const struct convcode *codes, const char *str, int len)
{
struct unalign *inbufp, *outbufp;
char *inbuf, *outbuf;
size_t inbytesleft, outbytesleft;
int retlen;
/* allocating unaligned buffer for both inbuf and outbuf */
inbufp = (struct unalign *) malloc (sizeof (struct unalign));
if (!inbufp)
{
printf ("no memory available\n");
exit (1);
}
inbuf = inbufp->str2;
outbufp = (struct unalign *) malloc (sizeof (struct unalign));
if (!outbufp)
{
printf ("no memory available\n");
exit (1);
}
outbuf = outbufp->str2;
/* first iconv phase */
memcpy (inbuf, str, len);
inbytesleft = len;
outbytesleft = sizeof (struct unalign);
retlen = convert (codes->tocode, codes->fromcode, inbuf, inbytesleft,
outbuf, outbytesleft);
if (retlen == -1) /* failed */
return 1;
/* second round trip iconv phase */
memcpy (inbuf, outbuf, retlen);
inbytesleft = retlen;
outbytesleft = sizeof (struct unalign);
retlen = convert (codes->fromcode, codes->tocode, inbuf, inbytesleft,
outbuf, outbytesleft);
if (retlen == -1) /* failed */
return 1;
free (inbufp);
free (outbufp);
return 0;
}
static int
do_test (void)
{
int i;
int ret = 0;
for (i = 0; i < number; i++)
{
ret = test_unalign (&testcode[i], (char *) SAMPLESTR, sizeof (SAMPLESTR));
if (ret)
break;
printf ("iconv: %s <-> %s: ok\n",
testcode[i].fromcode, testcode[i].tocode);
}
if (ret == 0)
printf ("Succeeded.\n");
return ret;
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"
|
GitWeb