1 | /* Copyright (C) 2004-2022 Free Software Foundation, Inc. |
2 | This file is part of the GNU C Library. |
3 | |
4 | The GNU C Library is free software; you can redistribute it and/or |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either |
7 | version 2.1 of the License, or (at your option) any later version. |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
12 | Lesser General Public License for more details. |
13 | |
14 | You should have received a copy of the GNU Lesser General Public |
15 | License along with the GNU C Library; if not, see |
16 | <https://www.gnu.org/licenses/>. */ |
17 | |
18 | #include <iconv.h> |
19 | #include <string.h> |
20 | #include <stdlib.h> |
21 | #include <stdio.h> |
22 | #include <errno.h> |
23 | |
24 | #define SIZE 256 /* enough room for conversion */ |
25 | #define SAMPLESTR "abc" |
26 | |
27 | struct unalign |
28 | { |
29 | char str1[1]; |
30 | char str2[SIZE]; |
31 | }; |
32 | |
33 | struct convcode |
34 | { |
35 | const char *tocode; |
36 | const char *fromcode; |
37 | }; |
38 | |
39 | /* test builtin transformation */ |
40 | static const struct convcode testcode[] = { |
41 | {"ASCII" , "ASCII" }, |
42 | {"UTF-8" , "ASCII" }, |
43 | {"UCS-2BE" , "ASCII" }, |
44 | {"UCS-2LE" , "ASCII" }, |
45 | {"UCS-4BE" , "ASCII" }, |
46 | {"UCS-4LE" , "ASCII" }, |
47 | }; |
48 | |
49 | static const int number = (int) sizeof (testcode) / sizeof (struct convcode); |
50 | |
51 | static int |
52 | convert (const char *tocode, const char *fromcode, char *inbufp, |
53 | size_t inbytesleft, char *outbufp, size_t outbytesleft) |
54 | { |
55 | iconv_t *ic; |
56 | size_t outbytes = outbytesleft; |
57 | int ret; |
58 | |
59 | ic = iconv_open (tocode: tocode, fromcode: fromcode); |
60 | if (ic == (iconv_t *) - 1) |
61 | { |
62 | printf (format: "iconv_open failed: from: %s, to: %s: %s" , |
63 | fromcode, tocode, strerror (errno)); |
64 | return -1; |
65 | } |
66 | |
67 | while (inbytesleft > 0) |
68 | { |
69 | ret = iconv (cd: ic, inbuf: &inbufp, inbytesleft: &inbytesleft, outbuf: &outbufp, outbytesleft: &outbytes); |
70 | if (ret == -1) |
71 | { |
72 | printf (format: "iconv failed: from: %s, to: %s: %s" , |
73 | fromcode, tocode, strerror (errno)); |
74 | iconv_close (cd: ic); |
75 | return -1; |
76 | } |
77 | } |
78 | |
79 | ret = iconv_close (cd: ic); |
80 | if (ret == -1) |
81 | { |
82 | printf (format: "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 | |
91 | static int |
92 | test_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 (size: sizeof (struct unalign)); |
101 | if (!inbufp) |
102 | { |
103 | printf (format: "no memory available\n" ); |
104 | exit (status: 1); |
105 | } |
106 | inbuf = inbufp->str2; |
107 | |
108 | outbufp = (struct unalign *) malloc (size: sizeof (struct unalign)); |
109 | if (!outbufp) |
110 | { |
111 | printf (format: "no memory available\n" ); |
112 | exit (status: 1); |
113 | } |
114 | outbuf = outbufp->str2; |
115 | |
116 | /* first iconv phase */ |
117 | memcpy (dest: inbuf, src: str, n: len); |
118 | inbytesleft = len; |
119 | outbytesleft = sizeof (struct unalign); |
120 | retlen = convert (tocode: codes->tocode, fromcode: codes->fromcode, inbufp: inbuf, inbytesleft, |
121 | outbufp: outbuf, outbytesleft); |
122 | if (retlen == -1) /* failed */ |
123 | return 1; |
124 | |
125 | /* second round trip iconv phase */ |
126 | memcpy (dest: inbuf, src: outbuf, n: retlen); |
127 | inbytesleft = retlen; |
128 | outbytesleft = sizeof (struct unalign); |
129 | retlen = convert (tocode: codes->fromcode, fromcode: codes->tocode, inbufp: inbuf, inbytesleft, |
130 | outbufp: outbuf, outbytesleft); |
131 | if (retlen == -1) /* failed */ |
132 | return 1; |
133 | |
134 | free (ptr: inbufp); |
135 | free (ptr: outbufp); |
136 | |
137 | return 0; |
138 | } |
139 | |
140 | static int |
141 | do_test (void) |
142 | { |
143 | int i; |
144 | int ret = 0; |
145 | |
146 | for (i = 0; i < number; i++) |
147 | { |
148 | ret = test_unalign (codes: &testcode[i], str: (char *) SAMPLESTR, len: sizeof (SAMPLESTR)); |
149 | if (ret) |
150 | break; |
151 | printf (format: "iconv: %s <-> %s: ok\n" , |
152 | testcode[i].fromcode, testcode[i].tocode); |
153 | } |
154 | if (ret == 0) |
155 | printf (format: "Succeeded.\n" ); |
156 | |
157 | return ret; |
158 | } |
159 | |
160 | #define TEST_FUNCTION do_test () |
161 | #include "../test-skeleton.c" |
162 | |