1 # iconv_open.m4 serial 12
2 dnl Copyright (C) 2007-2011 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 AC_CACHE_CHECK([whether iconv supports conversion between UTF-8 and UTF-{16,32}{BE,LE}],
56 [gl_cv_func_iconv_supports_utf],
59 LIBS="$LIBS $LIBICONV"
70 /* Test conversion from UTF-8 to UTF-16BE with no errors. */
72 static const char input[] =
73 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
74 static const char expected[] =
75 "\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]";
77 cd = iconv_open ("UTF-16BE", "UTF-8");
78 if (cd == (iconv_t)(-1))
89 inbytesleft = sizeof (input) - 1;
91 outbytesleft = sizeof (buf);
93 (ICONV_CONST char **) &inptr, &inbytesleft,
94 &outptr, &outbytesleft);
95 if (!(res == 0 && inbytesleft == 0))
97 else if (!(outptr == buf + (sizeof (expected) - 1)))
99 else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
101 else if (!(iconv_close (cd) == 0))
105 /* Test conversion from UTF-8 to UTF-16LE with no errors. */
107 static const char input[] =
108 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
109 static const char expected[] =
110 "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";
112 cd = iconv_open ("UTF-16LE", "UTF-8");
113 if (cd == (iconv_t)(-1))
124 inbytesleft = sizeof (input) - 1;
126 outbytesleft = sizeof (buf);
128 (ICONV_CONST char **) &inptr, &inbytesleft,
129 &outptr, &outbytesleft);
130 if (!(res == 0 && inbytesleft == 0))
132 else if (!(outptr == buf + (sizeof (expected) - 1)))
134 else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
136 else if (!(iconv_close (cd) == 0))
140 /* Test conversion from UTF-8 to UTF-32BE with no errors. */
142 static const char input[] =
143 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
144 static const char expected[] =
145 "\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]";
147 cd = iconv_open ("UTF-32BE", "UTF-8");
148 if (cd == (iconv_t)(-1))
159 inbytesleft = sizeof (input) - 1;
161 outbytesleft = sizeof (buf);
163 (ICONV_CONST char **) &inptr, &inbytesleft,
164 &outptr, &outbytesleft);
165 if (!(res == 0 && inbytesleft == 0))
167 else if (!(outptr == buf + (sizeof (expected) - 1)))
169 else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
171 else if (!(iconv_close (cd) == 0))
175 /* Test conversion from UTF-8 to UTF-32LE with no errors. */
177 static const char input[] =
178 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
179 static const char expected[] =
180 "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";
182 cd = iconv_open ("UTF-32LE", "UTF-8");
183 if (cd == (iconv_t)(-1))
194 inbytesleft = sizeof (input) - 1;
196 outbytesleft = sizeof (buf);
198 (ICONV_CONST char **) &inptr, &inbytesleft,
199 &outptr, &outbytesleft);
200 if (!(res == 0 && inbytesleft == 0))
202 else if (!(outptr == buf + (sizeof (expected) - 1)))
204 else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
206 else if (!(iconv_close (cd) == 0))
210 /* Test conversion from UTF-16BE to UTF-8 with no errors.
211 This test fails on NetBSD 3.0. */
213 static const char input[] =
214 "\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]";
215 static const char expected[] =
216 "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
218 cd = iconv_open ("UTF-8", "UTF-16BE");
219 if (cd == (iconv_t)(-1))
230 inbytesleft = sizeof (input) - 1;
232 outbytesleft = sizeof (buf);
234 (ICONV_CONST char **) &inptr, &inbytesleft,
235 &outptr, &outbytesleft);
236 if (!(res == 0 && inbytesleft == 0))
238 else if (!(outptr == buf + (sizeof (expected) - 1)))
240 else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0))
242 else if (!(iconv_close (cd) == 0))
248 [gl_cv_func_iconv_supports_utf=yes],
249 [gl_cv_func_iconv_supports_utf=no],
251 dnl We know that GNU libiconv, GNU libc, and Solaris >= 9 do.
252 dnl OSF/1 5.1 has these encodings, but inserts a BOM in the "to"
254 gl_cv_func_iconv_supports_utf=no
255 if test $gl_func_iconv_gnu = yes; then
256 gl_cv_func_iconv_supports_utf=yes
260 solaris2.9 | solaris2.1[0-9]) gl_cv_func_iconv_supports_utf=yes ;;
267 if test $gl_cv_func_iconv_supports_utf = no; then
269 AC_DEFINE([REPLACE_ICONV_UTF], [1],
270 [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.])
272 gl_REPLACE_ICONV_OPEN
274 AC_LIBOBJ([iconv_close])