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  • only in /netgear-WNDR4500v2-V1.0.0.60_1.0.38/ap/gpl/timemachine/gettext-0.17/gettext-runtime/gnulib-m4/
1# iconv_open.m4 serial 3
2dnl Copyright (C) 2007 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7AC_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
39AC_DEFUN([gl_REPLACE_ICONV_OPEN],
40[
41  REPLACE_ICONV_OPEN=1
42  AC_LIBOBJ([iconv_open])
43  ICONV_H='iconv.h'
44])
45
46AC_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;
70int 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 $gl_func_iconv_gnu = yes; then
216             gl_cv_func_iconv_supports_utf=yes
217           else
218changequote(,)dnl
219             case "$host_os" in
220               solaris2.9 | solaris2.1[0-9]) gl_cv_func_iconv_supports_utf=yes ;;
221             esac
222changequote([,])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])
238