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24d56127 LC |
1 | # iconv_open.m4 serial 5 |
2 | dnl Copyright (C) 2007-2009 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. | |
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 | |
13 | dnl Test whether iconv_open accepts standardized encoding names. | |
14 | dnl We know that GNU libiconv and GNU libc do. | |
15 | AC_EGREP_CPP([gnu_iconv], [ | |
16 | #include <iconv.h> | |
17 | #if defined _LIBICONV_VERSION || defined __GLIBC__ | |
18 | gnu_iconv | |
19 | #endif | |
20 | ], [gl_func_iconv_gnu=yes], [gl_func_iconv_gnu=no]) | |
21 | if test $gl_func_iconv_gnu = no; then | |
22 | iconv_flavor= | |
23 | case "$host_os" in | |
24 | aix*) iconv_flavor=ICONV_FLAVOR_AIX ;; | |
25 | irix*) iconv_flavor=ICONV_FLAVOR_IRIX ;; | |
26 | hpux*) iconv_flavor=ICONV_FLAVOR_HPUX ;; | |
27 | osf*) iconv_flavor=ICONV_FLAVOR_OSF ;; | |
28 | esac | |
29 | if test -n "$iconv_flavor"; then | |
30 | AC_DEFINE_UNQUOTED([ICONV_FLAVOR], [$iconv_flavor], | |
31 | [Define to a symbolic name denoting the flavor of iconv_open() | |
32 | implementation.]) | |
33 | gl_REPLACE_ICONV_OPEN | |
34 | fi | |
35 | fi | |
36 | fi | |
37 | ]) | |
38 | ||
39 | AC_DEFUN([gl_REPLACE_ICONV_OPEN], | |
40 | [ | |
41 | gl_REPLACE_ICONV_H | |
42 | REPLACE_ICONV_OPEN=1 | |
43 | AC_LIBOBJ([iconv_open]) | |
44 | ]) | |
45 | ||
46 | AC_DEFUN([gl_FUNC_ICONV_OPEN_UTF], | |
47 | [ | |
48 | AC_REQUIRE([gl_FUNC_ICONV_OPEN]) | |
49 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles | |
50 | AC_REQUIRE([gl_ICONV_H_DEFAULTS]) | |
51 | if test "$am_cv_func_iconv" = yes; then | |
52 | if test -n "$am_cv_proto_iconv_arg1"; then | |
53 | ICONV_CONST="const" | |
54 | else | |
55 | ICONV_CONST= | |
56 | fi | |
57 | AC_SUBST([ICONV_CONST]) | |
58 | AC_CACHE_CHECK([whether iconv supports conversion between UTF-8 and UTF-{16,32}{BE,LE}], | |
59 | [gl_cv_func_iconv_supports_utf], | |
60 | [ | |
61 | save_LIBS="$LIBS" | |
62 | LIBS="$LIBS $LIBICONV" | |
63 | AC_TRY_RUN([ | |
64 | #include <iconv.h> | |
65 | #include <errno.h> | |
66 | #include <stdio.h> | |
67 | #include <stdlib.h> | |
68 | #include <string.h> | |
69 | #define ASSERT(expr) if (!(expr)) return 1; | |
70 | int main () | |
71 | { | |
72 | /* Test conversion from UTF-8 to UTF-16BE with no errors. */ | |
73 | { | |
74 | static const char input[] = | |
75 | "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]"; | |
76 | static const char expected[] = | |
77 | "\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]"; | |
78 | iconv_t cd; | |
79 | char buf[100]; | |
80 | const char *inptr; | |
81 | size_t inbytesleft; | |
82 | char *outptr; | |
83 | size_t outbytesleft; | |
84 | size_t res; | |
85 | cd = iconv_open ("UTF-16BE", "UTF-8"); | |
86 | ASSERT (cd != (iconv_t)(-1)); | |
87 | inptr = input; | |
88 | inbytesleft = sizeof (input) - 1; | |
89 | outptr = buf; | |
90 | outbytesleft = sizeof (buf); | |
91 | res = iconv (cd, | |
92 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
93 | &outptr, &outbytesleft); | |
94 | ASSERT (res == 0 && inbytesleft == 0); | |
95 | ASSERT (outptr == buf + (sizeof (expected) - 1)); | |
96 | ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0); | |
97 | ASSERT (iconv_close (cd) == 0); | |
98 | } | |
99 | /* Test conversion from UTF-8 to UTF-16LE with no errors. */ | |
100 | { | |
101 | static const char input[] = | |
102 | "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]"; | |
103 | static const char expected[] = | |
104 | "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"; | |
105 | iconv_t cd; | |
106 | char buf[100]; | |
107 | const char *inptr; | |
108 | size_t inbytesleft; | |
109 | char *outptr; | |
110 | size_t outbytesleft; | |
111 | size_t res; | |
112 | cd = iconv_open ("UTF-16LE", "UTF-8"); | |
113 | ASSERT (cd != (iconv_t)(-1)); | |
114 | inptr = input; | |
115 | inbytesleft = sizeof (input) - 1; | |
116 | outptr = buf; | |
117 | outbytesleft = sizeof (buf); | |
118 | res = iconv (cd, | |
119 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
120 | &outptr, &outbytesleft); | |
121 | ASSERT (res == 0 && inbytesleft == 0); | |
122 | ASSERT (outptr == buf + (sizeof (expected) - 1)); | |
123 | ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0); | |
124 | ASSERT (iconv_close (cd) == 0); | |
125 | } | |
126 | /* Test conversion from UTF-8 to UTF-32BE with no errors. */ | |
127 | { | |
128 | static const char input[] = | |
129 | "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]"; | |
130 | static const char expected[] = | |
131 | "\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]"; | |
132 | iconv_t cd; | |
133 | char buf[100]; | |
134 | const char *inptr; | |
135 | size_t inbytesleft; | |
136 | char *outptr; | |
137 | size_t outbytesleft; | |
138 | size_t res; | |
139 | cd = iconv_open ("UTF-32BE", "UTF-8"); | |
140 | ASSERT (cd != (iconv_t)(-1)); | |
141 | inptr = input; | |
142 | inbytesleft = sizeof (input) - 1; | |
143 | outptr = buf; | |
144 | outbytesleft = sizeof (buf); | |
145 | res = iconv (cd, | |
146 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
147 | &outptr, &outbytesleft); | |
148 | ASSERT (res == 0 && inbytesleft == 0); | |
149 | ASSERT (outptr == buf + (sizeof (expected) - 1)); | |
150 | ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0); | |
151 | ASSERT (iconv_close (cd) == 0); | |
152 | } | |
153 | /* Test conversion from UTF-8 to UTF-32LE with no errors. */ | |
154 | { | |
155 | static const char input[] = | |
156 | "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]"; | |
157 | static const char expected[] = | |
158 | "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"; | |
159 | iconv_t cd; | |
160 | char buf[100]; | |
161 | const char *inptr; | |
162 | size_t inbytesleft; | |
163 | char *outptr; | |
164 | size_t outbytesleft; | |
165 | size_t res; | |
166 | cd = iconv_open ("UTF-32LE", "UTF-8"); | |
167 | ASSERT (cd != (iconv_t)(-1)); | |
168 | inptr = input; | |
169 | inbytesleft = sizeof (input) - 1; | |
170 | outptr = buf; | |
171 | outbytesleft = sizeof (buf); | |
172 | res = iconv (cd, | |
173 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
174 | &outptr, &outbytesleft); | |
175 | ASSERT (res == 0 && inbytesleft == 0); | |
176 | ASSERT (outptr == buf + (sizeof (expected) - 1)); | |
177 | ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0); | |
178 | ASSERT (iconv_close (cd) == 0); | |
179 | } | |
180 | /* Test conversion from UTF-16BE to UTF-8 with no errors. | |
181 | This test fails on NetBSD 3.0. */ | |
182 | { | |
183 | static const char input[] = | |
184 | "\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]"; | |
185 | static const char expected[] = | |
186 | "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]"; | |
187 | iconv_t cd; | |
188 | char buf[100]; | |
189 | const char *inptr; | |
190 | size_t inbytesleft; | |
191 | char *outptr; | |
192 | size_t outbytesleft; | |
193 | size_t res; | |
194 | cd = iconv_open ("UTF-8", "UTF-16BE"); | |
195 | ASSERT (cd != (iconv_t)(-1)); | |
196 | inptr = input; | |
197 | inbytesleft = sizeof (input) - 1; | |
198 | outptr = buf; | |
199 | outbytesleft = sizeof (buf); | |
200 | res = iconv (cd, | |
201 | (ICONV_CONST char **) &inptr, &inbytesleft, | |
202 | &outptr, &outbytesleft); | |
203 | ASSERT (res == 0 && inbytesleft == 0); | |
204 | ASSERT (outptr == buf + (sizeof (expected) - 1)); | |
205 | ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0); | |
206 | ASSERT (iconv_close (cd) == 0); | |
207 | } | |
208 | return 0; | |
209 | }], [gl_cv_func_iconv_supports_utf=yes], [gl_cv_func_iconv_supports_utf=no], | |
210 | [ | |
211 | dnl We know that GNU libiconv, GNU libc, and Solaris >= 9 do. | |
212 | dnl OSF/1 5.1 has these encodings, but inserts a BOM in the "to" | |
213 | dnl direction. | |
214 | gl_cv_func_iconv_supports_utf=no | |
215 | if test $gl_func_iconv_gnu = yes; then | |
216 | gl_cv_func_iconv_supports_utf=yes | |
217 | else | |
218 | changequote(,)dnl | |
219 | case "$host_os" in | |
220 | solaris2.9 | solaris2.1[0-9]) gl_cv_func_iconv_supports_utf=yes ;; | |
221 | esac | |
222 | changequote([,])dnl | |
223 | fi | |
224 | ]) | |
225 | LIBS="$save_LIBS" | |
226 | ]) | |
227 | if test $gl_cv_func_iconv_supports_utf = no; then | |
228 | REPLACE_ICONV_UTF=1 | |
229 | AC_DEFINE([REPLACE_ICONV_UTF], [1], | |
230 | [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.]) | |
231 | REPLACE_ICONV=1 | |
232 | gl_REPLACE_ICONV_OPEN | |
233 | AC_LIBOBJ([iconv]) | |
234 | AC_LIBOBJ([iconv_close]) | |
235 | fi | |
236 | fi | |
237 | ]) |