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ab4d62ad | 1 | # iconv_open.m4 serial 12 |
49114fd4 | 2 | dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. |
24d56127 LC |
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. | |
6 | ||
7 | AC_DEFUN([gl_FUNC_ICONV_OPEN], | |
8 | [ | |
9 | AC_REQUIRE([AM_ICONV]) | |
10 | AC_REQUIRE([AC_CANONICAL_HOST]) | |
11 | AC_REQUIRE([gl_ICONV_H_DEFAULTS]) | |
12 | if test "$am_cv_func_iconv" = yes; then | |
f4c79b3c LC |
13 | dnl Provide the <iconv.h> override, for the sake of the C++ aliases. |
14 | gl_REPLACE_ICONV_H | |
24d56127 LC |
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], [ | |
18 | #include <iconv.h> | |
0f00f2c3 | 19 | #if defined _LIBICONV_VERSION || (defined __GLIBC__ && !defined __UCLIBC__) |
24d56127 LC |
20 | gnu_iconv |
21 | #endif | |
22 | ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no]) | |
23 | if test $gl_func_iconv_gnu = no; then | |
24 | iconv_flavor= | |
25 | case "$host_os" in | |
8912421c LC |
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 ;; | |
24d56127 LC |
31 | esac |
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() | |
35 | implementation.]) | |
36 | gl_REPLACE_ICONV_OPEN | |
37 | fi | |
38 | fi | |
39 | fi | |
40 | ]) | |
41 | ||
42 | AC_DEFUN([gl_REPLACE_ICONV_OPEN], | |
43 | [ | |
44 | gl_REPLACE_ICONV_H | |
45 | REPLACE_ICONV_OPEN=1 | |
46 | AC_LIBOBJ([iconv_open]) | |
47 | ]) | |
48 | ||
49 | AC_DEFUN([gl_FUNC_ICONV_OPEN_UTF], | |
50 | [ | |
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 "$am_cv_func_iconv" = yes; then | |
24d56127 LC |
55 | AC_CACHE_CHECK([whether iconv supports conversion between UTF-8 and UTF-{16,32}{BE,LE}], |
56 | [gl_cv_func_iconv_supports_utf], | |
57 | [ | |
58 | save_LIBS="$LIBS" | |
59 | LIBS="$LIBS $LIBICONV" | |
9157d901 LC |
60 | AC_RUN_IFELSE( |
61 | [AC_LANG_SOURCE([[ | |
24d56127 LC |
62 | #include <iconv.h> |
63 | #include <errno.h> | |
64 | #include <stdio.h> | |
65 | #include <stdlib.h> | |
66 | #include <string.h> | |
24d56127 LC |
67 | int main () |
68 | { | |
0f00f2c3 | 69 | int result = 0; |
24d56127 LC |
70 | /* Test conversion from UTF-8 to UTF-16BE with no errors. */ |
71 | { | |
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]"; | |
76 | iconv_t cd; | |
24d56127 | 77 | cd = iconv_open ("UTF-16BE", "UTF-8"); |
0f00f2c3 LC |
78 | if (cd == (iconv_t)(-1)) |
79 | result |= 1; | |
80 | else | |
81 | { | |
82 | char buf[100]; | |
83 | const char *inptr; | |
84 | size_t inbytesleft; | |
85 | char *outptr; | |
86 | size_t outbytesleft; | |
87 | size_t res; | |
88 | inptr = input; | |
89 | inbytesleft = sizeof (input) - 1; | |
90 | outptr = buf; | |
91 | outbytesleft = sizeof (buf); | |
92 | res = iconv (cd, | |
93 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
94 | &outptr, &outbytesleft); | |
95 | if (!(res == 0 && inbytesleft == 0)) | |
96 | result |= 1; | |
97 | else if (!(outptr == buf + (sizeof (expected) - 1))) | |
98 | result |= 1; | |
99 | else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0)) | |
100 | result |= 1; | |
101 | else if (!(iconv_close (cd) == 0)) | |
102 | result |= 1; | |
103 | } | |
24d56127 LC |
104 | } |
105 | /* Test conversion from UTF-8 to UTF-16LE with no errors. */ | |
106 | { | |
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"; | |
111 | iconv_t cd; | |
24d56127 | 112 | cd = iconv_open ("UTF-16LE", "UTF-8"); |
0f00f2c3 LC |
113 | if (cd == (iconv_t)(-1)) |
114 | result |= 2; | |
115 | else | |
116 | { | |
117 | char buf[100]; | |
118 | const char *inptr; | |
119 | size_t inbytesleft; | |
120 | char *outptr; | |
121 | size_t outbytesleft; | |
122 | size_t res; | |
123 | inptr = input; | |
124 | inbytesleft = sizeof (input) - 1; | |
125 | outptr = buf; | |
126 | outbytesleft = sizeof (buf); | |
127 | res = iconv (cd, | |
128 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
129 | &outptr, &outbytesleft); | |
130 | if (!(res == 0 && inbytesleft == 0)) | |
131 | result |= 2; | |
132 | else if (!(outptr == buf + (sizeof (expected) - 1))) | |
133 | result |= 2; | |
134 | else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0)) | |
135 | result |= 2; | |
136 | else if (!(iconv_close (cd) == 0)) | |
137 | result |= 2; | |
138 | } | |
24d56127 LC |
139 | } |
140 | /* Test conversion from UTF-8 to UTF-32BE with no errors. */ | |
141 | { | |
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]"; | |
146 | iconv_t cd; | |
24d56127 | 147 | cd = iconv_open ("UTF-32BE", "UTF-8"); |
0f00f2c3 LC |
148 | if (cd == (iconv_t)(-1)) |
149 | result |= 4; | |
150 | else | |
151 | { | |
152 | char buf[100]; | |
153 | const char *inptr; | |
154 | size_t inbytesleft; | |
155 | char *outptr; | |
156 | size_t outbytesleft; | |
157 | size_t res; | |
158 | inptr = input; | |
159 | inbytesleft = sizeof (input) - 1; | |
160 | outptr = buf; | |
161 | outbytesleft = sizeof (buf); | |
162 | res = iconv (cd, | |
163 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
164 | &outptr, &outbytesleft); | |
165 | if (!(res == 0 && inbytesleft == 0)) | |
166 | result |= 4; | |
167 | else if (!(outptr == buf + (sizeof (expected) - 1))) | |
168 | result |= 4; | |
169 | else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0)) | |
170 | result |= 4; | |
171 | else if (!(iconv_close (cd) == 0)) | |
172 | result |= 4; | |
173 | } | |
24d56127 LC |
174 | } |
175 | /* Test conversion from UTF-8 to UTF-32LE with no errors. */ | |
176 | { | |
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"; | |
181 | iconv_t cd; | |
24d56127 | 182 | cd = iconv_open ("UTF-32LE", "UTF-8"); |
0f00f2c3 LC |
183 | if (cd == (iconv_t)(-1)) |
184 | result |= 8; | |
185 | else | |
186 | { | |
187 | char buf[100]; | |
188 | const char *inptr; | |
189 | size_t inbytesleft; | |
190 | char *outptr; | |
191 | size_t outbytesleft; | |
192 | size_t res; | |
193 | inptr = input; | |
194 | inbytesleft = sizeof (input) - 1; | |
195 | outptr = buf; | |
196 | outbytesleft = sizeof (buf); | |
197 | res = iconv (cd, | |
198 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
199 | &outptr, &outbytesleft); | |
200 | if (!(res == 0 && inbytesleft == 0)) | |
201 | result |= 8; | |
202 | else if (!(outptr == buf + (sizeof (expected) - 1))) | |
203 | result |= 8; | |
204 | else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0)) | |
205 | result |= 8; | |
ab4d62ad | 206 | else if (!(iconv_close (cd) == 0)) |
0f00f2c3 LC |
207 | result |= 8; |
208 | } | |
24d56127 LC |
209 | } |
210 | /* Test conversion from UTF-16BE to UTF-8 with no errors. | |
211 | This test fails on NetBSD 3.0. */ | |
212 | { | |
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]"; | |
217 | iconv_t cd; | |
24d56127 | 218 | cd = iconv_open ("UTF-8", "UTF-16BE"); |
0f00f2c3 LC |
219 | if (cd == (iconv_t)(-1)) |
220 | result |= 16; | |
221 | else | |
222 | { | |
223 | char buf[100]; | |
224 | const char *inptr; | |
225 | size_t inbytesleft; | |
226 | char *outptr; | |
227 | size_t outbytesleft; | |
228 | size_t res; | |
229 | inptr = input; | |
230 | inbytesleft = sizeof (input) - 1; | |
231 | outptr = buf; | |
232 | outbytesleft = sizeof (buf); | |
233 | res = iconv (cd, | |
234 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
235 | &outptr, &outbytesleft); | |
236 | if (!(res == 0 && inbytesleft == 0)) | |
237 | result |= 16; | |
238 | else if (!(outptr == buf + (sizeof (expected) - 1))) | |
239 | result |= 16; | |
240 | else if (!(memcmp (buf, expected, sizeof (expected) - 1) == 0)) | |
241 | result |= 16; | |
242 | else if (!(iconv_close (cd) == 0)) | |
243 | result |= 16; | |
244 | } | |
24d56127 | 245 | } |
0f00f2c3 | 246 | return result; |
9157d901 LC |
247 | }]])], |
248 | [gl_cv_func_iconv_supports_utf=yes], | |
249 | [gl_cv_func_iconv_supports_utf=no], | |
24d56127 LC |
250 | [ |
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" | |
253 | dnl direction. | |
254 | gl_cv_func_iconv_supports_utf=no | |
255 | if test $gl_func_iconv_gnu = yes; then | |
256 | gl_cv_func_iconv_supports_utf=yes | |
257 | else | |
258 | changequote(,)dnl | |
259 | case "$host_os" in | |
260 | solaris2.9 | solaris2.1[0-9]) gl_cv_func_iconv_supports_utf=yes ;; | |
261 | esac | |
262 | changequote([,])dnl | |
263 | fi | |
264 | ]) | |
265 | LIBS="$save_LIBS" | |
266 | ]) | |
267 | if test $gl_cv_func_iconv_supports_utf = no; then | |
268 | REPLACE_ICONV_UTF=1 | |
269 | AC_DEFINE([REPLACE_ICONV_UTF], [1], | |
270 | [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.]) | |
271 | REPLACE_ICONV=1 | |
272 | gl_REPLACE_ICONV_OPEN | |
273 | AC_LIBOBJ([iconv]) | |
274 | AC_LIBOBJ([iconv_close]) | |
275 | fi | |
276 | fi | |
277 | ]) |