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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
|
# iconv_open.m4 serial 3
dnl Copyright (C) 2007 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_ICONV_OPEN],
[
AC_REQUIRE([AM_ICONV])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([gl_ICONV_H_DEFAULTS])
if test "$am_cv_func_iconv" = yes; then
dnl Test whether iconv_open accepts standardized encoding names.
dnl We know that GNU libiconv and GNU libc do.
AC_EGREP_CPP([gnu_iconv], [
#include <iconv.h>
#if defined _LIBICONV_VERSION || defined __GLIBC__
gnu_iconv
#endif
], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no])
if test $gl_func_iconv_gnu = no; then
iconv_flavor=
case "$host_os" in
aix*) iconv_flavor=ICONV_FLAVOR_AIX ;;
irix*) iconv_flavor=ICONV_FLAVOR_IRIX ;;
hpux*) iconv_flavor=ICONV_FLAVOR_HPUX ;;
osf*) iconv_flavor=ICONV_FLAVOR_OSF ;;
esac
if test -n "$iconv_flavor"; then
AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor],
[Define to a symbolic name denoting the flavor of iconv_open()
implementation.])
gl_REPLACE_ICONV_OPEN
fi
fi
fi
])
AC_DEFUN([gl_REPLACE_ICONV_OPEN],
[
REPLACE_ICONV_OPEN=1
AC_LIBOBJ([iconv_open])
ICONV_H='iconv.h'
])
AC_DEFUN([gl_FUNC_ICONV_OPEN_UTF],
[
AC_REQUIRE([gl_FUNC_ICONV_OPEN])
AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
AC_REQUIRE([gl_ICONV_H_DEFAULTS])
if test "$am_cv_func_iconv" = yes; then
if test -n "$am_cv_proto_iconv_arg1"; then
ICONV_CONST="const"
else
ICONV_CONST=
fi
AC_SUBST([ICONV_CONST])
AC_CACHE_CHECK([whether iconv supports conversion between UTF-8 and UTF-{16,32}{BE,LE}],
[gl_cv_func_iconv_supports_utf],
[
save_LIBS="$LIBS"
LIBS="$LIBS $LIBICONV"
AC_TRY_RUN([
#include <iconv.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define ASSERT(expr) if (!(expr)) return 1;
int main ()
{
/* Test conversion from UTF-8 to UTF-16BE with no errors. */
{
static const char input[] =
"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
static const char expected[] =
"\000J\000a\000p\000a\000n\000e\000s\000e\000 \000(\145\345\147\054\212\236\000)\000 \000[\330\065\335\015\330\065\335\036\330\065\335\055\000]";
iconv_t cd;
char buf[100];
const char *inptr;
size_t inbytesleft;
char *outptr;
size_t outbytesleft;
size_t res;
cd = iconv_open ("UTF-16BE", "UTF-8");
ASSERT (cd != (iconv_t)(-1));
inptr = input;
inbytesleft = sizeof (input) - 1;
outptr = buf;
outbytesleft = sizeof (buf);
res = iconv (cd,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == 0 && inbytesleft == 0);
ASSERT (outptr == buf + (sizeof (expected) - 1));
ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
ASSERT (iconv_close (cd) == 0);
}
/* Test conversion from UTF-8 to UTF-16LE with no errors. */
{
static const char input[] =
"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
static const char expected[] =
"J\000a\000p\000a\000n\000e\000s\000e\000 \000(\000\345\145\054\147\236\212)\000 \000[\000\065\330\015\335\065\330\036\335\065\330\055\335]\000";
iconv_t cd;
char buf[100];
const char *inptr;
size_t inbytesleft;
char *outptr;
size_t outbytesleft;
size_t res;
cd = iconv_open ("UTF-16LE", "UTF-8");
ASSERT (cd != (iconv_t)(-1));
inptr = input;
inbytesleft = sizeof (input) - 1;
outptr = buf;
outbytesleft = sizeof (buf);
res = iconv (cd,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == 0 && inbytesleft == 0);
ASSERT (outptr == buf + (sizeof (expected) - 1));
ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
ASSERT (iconv_close (cd) == 0);
}
/* Test conversion from UTF-8 to UTF-32BE with no errors. */
{
static const char input[] =
"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
static const char expected[] =
"\000\000\000J\000\000\000a\000\000\000p\000\000\000a\000\000\000n\000\000\000e\000\000\000s\000\000\000e\000\000\000 \000\000\000(\000\000\145\345\000\000\147\054\000\000\212\236\000\000\000)\000\000\000 \000\000\000[\000\001\325\015\000\001\325\036\000\001\325\055\000\000\000]";
iconv_t cd;
char buf[100];
const char *inptr;
size_t inbytesleft;
char *outptr;
size_t outbytesleft;
size_t res;
cd = iconv_open ("UTF-32BE", "UTF-8");
ASSERT (cd != (iconv_t)(-1));
inptr = input;
inbytesleft = sizeof (input) - 1;
outptr = buf;
outbytesleft = sizeof (buf);
res = iconv (cd,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == 0 && inbytesleft == 0);
ASSERT (outptr == buf + (sizeof (expected) - 1));
ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
ASSERT (iconv_close (cd) == 0);
}
/* Test conversion from UTF-8 to UTF-32LE with no errors. */
{
static const char input[] =
"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
static const char expected[] =
"J\000\000\000a\000\000\000p\000\000\000a\000\000\000n\000\000\000e\000\000\000s\000\000\000e\000\000\000 \000\000\000(\000\000\000\345\145\000\000\054\147\000\000\236\212\000\000)\000\000\000 \000\000\000[\000\000\000\015\325\001\000\036\325\001\000\055\325\001\000]\000\000\000";
iconv_t cd;
char buf[100];
const char *inptr;
size_t inbytesleft;
char *outptr;
size_t outbytesleft;
size_t res;
cd = iconv_open ("UTF-32LE", "UTF-8");
ASSERT (cd != (iconv_t)(-1));
inptr = input;
inbytesleft = sizeof (input) - 1;
outptr = buf;
outbytesleft = sizeof (buf);
res = iconv (cd,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == 0 && inbytesleft == 0);
ASSERT (outptr == buf + (sizeof (expected) - 1));
ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
ASSERT (iconv_close (cd) == 0);
}
/* Test conversion from UTF-16BE to UTF-8 with no errors.
This test fails on NetBSD 3.0. */
{
static const char input[] =
"\000J\000a\000p\000a\000n\000e\000s\000e\000 \000(\145\345\147\054\212\236\000)\000 \000[\330\065\335\015\330\065\335\036\330\065\335\055\000]";
static const char expected[] =
"Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
iconv_t cd;
char buf[100];
const char *inptr;
size_t inbytesleft;
char *outptr;
size_t outbytesleft;
size_t res;
cd = iconv_open ("UTF-8", "UTF-16BE");
ASSERT (cd != (iconv_t)(-1));
inptr = input;
inbytesleft = sizeof (input) - 1;
outptr = buf;
outbytesleft = sizeof (buf);
res = iconv (cd,
(ICONV_CONST char **) &inptr, &inbytesleft,
&outptr, &outbytesleft);
ASSERT (res == 0 && inbytesleft == 0);
ASSERT (outptr == buf + (sizeof (expected) - 1));
ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
ASSERT (iconv_close (cd) == 0);
}
return 0;
}], [gl_cv_func_iconv_supports_utf=yes], [gl_cv_func_iconv_supports_utf=no],
[
dnl We know that GNU libiconv, GNU libc, and Solaris >= 9 do.
dnl OSF/1 5.1 has these encodings, but inserts a BOM in the "to"
dnl direction.
gl_cv_func_iconv_supports_utf=no
if test $gl_func_iconv_gnu = yes; then
gl_cv_func_iconv_supports_utf=yes
else
changequote(,)dnl
case "$host_os" in
solaris2.9 | solaris2.1[0-9]) gl_cv_func_iconv_supports_utf=yes ;;
esac
changequote([,])dnl
fi
])
LIBS="$save_LIBS"
])
if test $gl_cv_func_iconv_supports_utf = no; then
REPLACE_ICONV_UTF=1
AC_DEFINE([REPLACE_ICONV_UTF], 1,
[Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.])
REPLACE_ICONV=1
gl_REPLACE_ICONV_OPEN
AC_LIBOBJ([iconv])
AC_LIBOBJ([iconv_close])
fi
fi
])
|
