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1/* Copyright (C) 2004-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by GOTO Masanori <gotom@debian.or.jp>, 2004
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
18
19#include <iconv.h>
20#include <string.h>
21#include <stdlib.h>
22#include <stdio.h>
23#include <errno.h>
24
25#define SIZE 256 /* enough room for conversion */
26#define SAMPLESTR "abc"
27
28struct unalign
29{
30 char str1[1];
31 char str2[SIZE];
32};
33
34struct convcode
35{
36 const char *tocode;
37 const char *fromcode;
38};
39
40/* test builtin transformation */
41static const struct convcode testcode[] = {
42 {"ASCII", "ASCII"},
43 {"UTF-8", "ASCII"},
44 {"UCS-2BE", "ASCII"},
45 {"UCS-2LE", "ASCII"},
46 {"UCS-4BE", "ASCII"},
47 {"UCS-4LE", "ASCII"},
48};
49
50static const int number = (int) sizeof (testcode) / sizeof (struct convcode);
51
52static int
53convert (const char *tocode, const char *fromcode, char *inbufp,
54 size_t inbytesleft, char *outbufp, size_t outbytesleft)
55{
56 iconv_t *ic;
57 size_t outbytes = outbytesleft;
58 int ret;
59
60 ic = iconv_open (tocode, fromcode);
61 if (ic == (iconv_t *) - 1)
62 {
63 printf ("iconv_open failed: from: %s, to: %s: %s",
64 fromcode, tocode, strerror (errno));
65 return -1;
66 }
67
68 while (inbytesleft > 0)
69 {
70 ret = iconv (ic, &inbufp, &inbytesleft, &outbufp, &outbytes);
71 if (ret == -1)
72 {
73 printf ("iconv failed: from: %s, to: %s: %s",
74 fromcode, tocode, strerror (errno));
75 return -1;
76 }
77 }
78
79 ret = iconv_close (ic);
80 if (ret == -1)
81 {
82 printf ("iconv_close failed: from: %s, to: %s: %s",
83 fromcode, tocode, strerror (errno));
84 return -1;
85 }
86
87 return outbytesleft - outbytes;
88}
89
90
91static int
92test_unalign (const struct convcode *codes, const char *str, int len)
93{
94 struct unalign *inbufp, *outbufp;
95 char *inbuf, *outbuf;
96 size_t inbytesleft, outbytesleft;
97 int retlen;
98
99 /* allocating unaligned buffer for both inbuf and outbuf */
100 inbufp = (struct unalign *) malloc (sizeof (struct unalign));
101 if (!inbufp)
102 {
103 printf ("no memory available\n");
104 exit (1);
105 }
106 inbuf = inbufp->str2;
107
108 outbufp = (struct unalign *) malloc (sizeof (struct unalign));
109 if (!outbufp)
110 {
111 printf ("no memory available\n");
112 exit (1);
113 }
114 outbuf = outbufp->str2;
115
116 /* first iconv phase */
117 memcpy (inbuf, str, len);
118 inbytesleft = len;
119 outbytesleft = sizeof (struct unalign);
120 retlen = convert (codes->tocode, codes->fromcode, inbuf, inbytesleft,
121 outbuf, outbytesleft);
122 if (retlen == -1) /* failed */
123 return 1;
124
125 /* second round trip iconv phase */
126 memcpy (inbuf, outbuf, retlen);
127 inbytesleft = retlen;
128 outbytesleft = sizeof (struct unalign);
129 retlen = convert (codes->fromcode, codes->tocode, inbuf, inbytesleft,
130 outbuf, outbytesleft);
131 if (retlen == -1) /* failed */
132 return 1;
133
134 free (inbufp);
135 free (outbufp);
136
137 return 0;
138}
139
140static int
141do_test (void)
142{
143 int i;
144 int ret = 0;
145
146 for (i = 0; i < number; i++)
147 {
148 ret = test_unalign (&testcode[i], (char *) SAMPLESTR, sizeof (SAMPLESTR));
149 if (ret)
150 break;
151 printf ("iconv: %s <-> %s: ok\n",
152 testcode[i].fromcode, testcode[i].tocode);
153 }
154 if (ret == 0)
155 printf ("Succeeded.\n");
156
157 return ret;
158}
159
160#define TEST_FUNCTION do_test ()
161#include "../test-skeleton.c"
162

Warning: That file was not part of the compilation database. It may have many parsing errors.