1 # iconv_open.m4 serial 9
2 dnl Copyright (C) 2007-2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_FUNC_ICONV_OPEN],
10 AC_REQUIRE([AC_CANONICAL_HOST])
11 AC_REQUIRE([gl_ICONV_H_DEFAULTS])
12 if test "$am_cv_func_iconv" = yes; then
13 dnl Provide the <iconv.h> override, for the sake of the C++ aliases.
15 dnl Test whether iconv_open accepts standardized encoding names.
16 dnl We know that GNU libiconv and GNU libc do.
17 AC_EGREP_CPP([gnu_iconv], [
19 #if defined _LIBICONV_VERSION || (defined __GLIBC__ && !defined __UCLIBC__)
22 ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no])
23 if test $gl_func_iconv_gnu = no; then
26 aix*) iconv_flavor=ICONV_FLAVOR_AIX ;;
27 irix*) iconv_flavor=ICONV_FLAVOR_IRIX ;;
28 hpux*) iconv_flavor=ICONV_FLAVOR_HPUX ;;
29 osf*) iconv_flavor=ICONV_FLAVOR_OSF ;;
30 solaris*) iconv_flavor=ICONV_FLAVOR_SOLARIS ;;
32 if test -n "$iconv_flavor"; then
33 AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor],
34 [Define to a symbolic name denoting the flavor of iconv_open()
42 AC_DEFUN([gl_REPLACE_ICONV_OPEN],
46 AC_LIBOBJ([iconv_open])
49 AC_DEFUN([gl_FUNC_ICONV_OPEN_UTF],
51 AC_REQUIRE([gl_FUNC_ICONV_OPEN])
52 AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
53 AC_REQUIRE([gl_ICONV_H_DEFAULTS])
54 if test "$am_cv_func_iconv" = yes; then
55 if test -n "$am_cv_proto_iconv_arg1"; then
60 AC_SUBST([ICONV_CONST])
61 AC_CACHE_CHECK([whether iconv supports conversion between UTF-8 and UTF-{16,32}{BE,LE}],
62 [gl_cv_func_iconv_supports_utf],
65 LIBS="$LIBS $LIBICONV"
73 #define ASSERT(expr) if (!(expr)) return 1;
76 /* Test conversion from UTF-8 to UTF-16BE with no errors. */
78 static const char input[] =
79 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
80 static const char expected[] =
81 "\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]";
89 cd = iconv_open ("UTF-16BE", "UTF-8");
90 ASSERT (cd != (iconv_t)(-1));
92 inbytesleft = sizeof (input) - 1;
94 outbytesleft = sizeof (buf);
96 (ICONV_CONST char **) &inptr, &inbytesleft,
97 &outptr, &outbytesleft);
98 ASSERT (res == 0 && inbytesleft == 0);
99 ASSERT (outptr == buf + (sizeof (expected) - 1));
100 ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
101 ASSERT (iconv_close (cd) == 0);
103 /* Test conversion from UTF-8 to UTF-16LE with no errors. */
105 static const char input[] =
106 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
107 static const char expected[] =
108 "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";
116 cd = iconv_open ("UTF-16LE", "UTF-8");
117 ASSERT (cd != (iconv_t)(-1));
119 inbytesleft = sizeof (input) - 1;
121 outbytesleft = sizeof (buf);
123 (ICONV_CONST char **) &inptr, &inbytesleft,
124 &outptr, &outbytesleft);
125 ASSERT (res == 0 && inbytesleft == 0);
126 ASSERT (outptr == buf + (sizeof (expected) - 1));
127 ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
128 ASSERT (iconv_close (cd) == 0);
130 /* Test conversion from UTF-8 to UTF-32BE with no errors. */
132 static const char input[] =
133 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
134 static const char expected[] =
135 "\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]";
143 cd = iconv_open ("UTF-32BE", "UTF-8");
144 ASSERT (cd != (iconv_t)(-1));
146 inbytesleft = sizeof (input) - 1;
148 outbytesleft = sizeof (buf);
150 (ICONV_CONST char **) &inptr, &inbytesleft,
151 &outptr, &outbytesleft);
152 ASSERT (res == 0 && inbytesleft == 0);
153 ASSERT (outptr == buf + (sizeof (expected) - 1));
154 ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
155 ASSERT (iconv_close (cd) == 0);
157 /* Test conversion from UTF-8 to UTF-32LE with no errors. */
159 static const char input[] =
160 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
161 static const char expected[] =
162 "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";
170 cd = iconv_open ("UTF-32LE", "UTF-8");
171 ASSERT (cd != (iconv_t)(-1));
173 inbytesleft = sizeof (input) - 1;
175 outbytesleft = sizeof (buf);
177 (ICONV_CONST char **) &inptr, &inbytesleft,
178 &outptr, &outbytesleft);
179 ASSERT (res == 0 && inbytesleft == 0);
180 ASSERT (outptr == buf + (sizeof (expected) - 1));
181 ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
182 ASSERT (iconv_close (cd) == 0);
184 /* Test conversion from UTF-16BE to UTF-8 with no errors.
185 This test fails on NetBSD 3.0. */
187 static const char input[] =
188 "\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]";
189 static const char expected[] =
190 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
198 cd = iconv_open ("UTF-8", "UTF-16BE");
199 ASSERT (cd != (iconv_t)(-1));
201 inbytesleft = sizeof (input) - 1;
203 outbytesleft = sizeof (buf);
205 (ICONV_CONST char **) &inptr, &inbytesleft,
206 &outptr, &outbytesleft);
207 ASSERT (res == 0 && inbytesleft == 0);
208 ASSERT (outptr == buf + (sizeof (expected) - 1));
209 ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
210 ASSERT (iconv_close (cd) == 0);
214 [gl_cv_func_iconv_supports_utf=yes],
215 [gl_cv_func_iconv_supports_utf=no],
217 dnl We know that GNU libiconv, GNU libc, and Solaris >= 9 do.
218 dnl OSF/1 5.1 has these encodings, but inserts a BOM in the "to"
220 gl_cv_func_iconv_supports_utf=no
221 if test $gl_func_iconv_gnu = yes; then
222 gl_cv_func_iconv_supports_utf=yes
226 solaris2.9 | solaris2.1[0-9]) gl_cv_func_iconv_supports_utf=yes ;;
233 if test $gl_cv_func_iconv_supports_utf = no; then
235 AC_DEFINE([REPLACE_ICONV_UTF], [1],
236 [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.])
238 gl_REPLACE_ICONV_OPEN
240 AC_LIBOBJ([iconv_close])