- AC_LIBOBJ([iconv_open])
-])
-
-AC_DEFUN([gl_FUNC_ICONV_OPEN_UTF],
-[
- AC_REQUIRE([gl_FUNC_ICONV_OPEN])
- AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
- AC_REQUIRE([gl_ICONV_H_DEFAULTS])
- if test "$am_cv_func_iconv" = yes; then
- if test -n "$am_cv_proto_iconv_arg1"; then
- ICONV_CONST="const"
- else
- ICONV_CONST=
- fi
- AC_SUBST([ICONV_CONST])
- AC_CACHE_CHECK([whether iconv supports conversion between UTF-8 and UTF-{16,32}{BE,LE}],
- [gl_cv_func_iconv_supports_utf],
- [
- save_LIBS="$LIBS"
- LIBS="$LIBS $LIBICONV"
- AC_RUN_IFELSE(
- [AC_LANG_SOURCE([[
-#include <iconv.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#define ASSERT(expr) if (!(expr)) return 1;
-int main ()
-{
- /* Test conversion from UTF-8 to UTF-16BE with no errors. */
- {
- static const char input[] =
- "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
- static const char expected[] =
- "\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]";
- iconv_t cd;
- char buf[100];
- const char *inptr;
- size_t inbytesleft;
- char *outptr;
- size_t outbytesleft;
- size_t res;
- cd = iconv_open ("UTF-16BE", "UTF-8");
- ASSERT (cd != (iconv_t)(-1));
- inptr = input;
- inbytesleft = sizeof (input) - 1;
- outptr = buf;
- outbytesleft = sizeof (buf);
- res = iconv (cd,
- (ICONV_CONST char **) &inptr, &inbytesleft,
- &outptr, &outbytesleft);
- ASSERT (res == 0 && inbytesleft == 0);
- ASSERT (outptr == buf + (sizeof (expected) - 1));
- ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
- ASSERT (iconv_close (cd) == 0);
- }
- /* Test conversion from UTF-8 to UTF-16LE with no errors. */
- {
- static const char input[] =
- "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
- static const char expected[] =
- "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";
- iconv_t cd;
- char buf[100];
- const char *inptr;
- size_t inbytesleft;
- char *outptr;
- size_t outbytesleft;
- size_t res;
- cd = iconv_open ("UTF-16LE", "UTF-8");
- ASSERT (cd != (iconv_t)(-1));
- inptr = input;
- inbytesleft = sizeof (input) - 1;
- outptr = buf;
- outbytesleft = sizeof (buf);
- res = iconv (cd,
- (ICONV_CONST char **) &inptr, &inbytesleft,
- &outptr, &outbytesleft);
- ASSERT (res == 0 && inbytesleft == 0);
- ASSERT (outptr == buf + (sizeof (expected) - 1));
- ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
- ASSERT (iconv_close (cd) == 0);
- }
- /* Test conversion from UTF-8 to UTF-32BE with no errors. */
- {
- static const char input[] =
- "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
- static const char expected[] =
- "\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]";
- iconv_t cd;
- char buf[100];
- const char *inptr;
- size_t inbytesleft;
- char *outptr;
- size_t outbytesleft;
- size_t res;
- cd = iconv_open ("UTF-32BE", "UTF-8");
- ASSERT (cd != (iconv_t)(-1));
- inptr = input;
- inbytesleft = sizeof (input) - 1;
- outptr = buf;
- outbytesleft = sizeof (buf);
- res = iconv (cd,
- (ICONV_CONST char **) &inptr, &inbytesleft,
- &outptr, &outbytesleft);
- ASSERT (res == 0 && inbytesleft == 0);
- ASSERT (outptr == buf + (sizeof (expected) - 1));
- ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
- ASSERT (iconv_close (cd) == 0);
- }
- /* Test conversion from UTF-8 to UTF-32LE with no errors. */
- {
- static const char input[] =
- "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
- static const char expected[] =
- "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";
- iconv_t cd;
- char buf[100];
- const char *inptr;
- size_t inbytesleft;
- char *outptr;
- size_t outbytesleft;
- size_t res;
- cd = iconv_open ("UTF-32LE", "UTF-8");
- ASSERT (cd != (iconv_t)(-1));
- inptr = input;
- inbytesleft = sizeof (input) - 1;
- outptr = buf;
- outbytesleft = sizeof (buf);
- res = iconv (cd,
- (ICONV_CONST char **) &inptr, &inbytesleft,
- &outptr, &outbytesleft);
- ASSERT (res == 0 && inbytesleft == 0);
- ASSERT (outptr == buf + (sizeof (expected) - 1));
- ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
- ASSERT (iconv_close (cd) == 0);
- }
- /* Test conversion from UTF-16BE to UTF-8 with no errors.
- This test fails on NetBSD 3.0. */
- {
- static const char input[] =
- "\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]";
- static const char expected[] =
- "Japanese (\346\227\245\346\234\254\350\252\236) [\360\235\224\215\360\235\224\236\360\235\224\255]";
- iconv_t cd;
- char buf[100];
- const char *inptr;
- size_t inbytesleft;
- char *outptr;
- size_t outbytesleft;
- size_t res;
- cd = iconv_open ("UTF-8", "UTF-16BE");
- ASSERT (cd != (iconv_t)(-1));
- inptr = input;
- inbytesleft = sizeof (input) - 1;
- outptr = buf;
- outbytesleft = sizeof (buf);
- res = iconv (cd,
- (ICONV_CONST char **) &inptr, &inbytesleft,
- &outptr, &outbytesleft);
- ASSERT (res == 0 && inbytesleft == 0);
- ASSERT (outptr == buf + (sizeof (expected) - 1));
- ASSERT (memcmp (buf, expected, sizeof (expected) - 1) == 0);
- ASSERT (iconv_close (cd) == 0);
- }
- return 0;
-}]])],
- [gl_cv_func_iconv_supports_utf=yes],
- [gl_cv_func_iconv_supports_utf=no],
- [
- dnl We know that GNU libiconv, GNU libc, and Solaris >= 9 do.
- dnl OSF/1 5.1 has these encodings, but inserts a BOM in the "to"
- dnl direction.
- gl_cv_func_iconv_supports_utf=no
- if test $gl_func_iconv_gnu = yes; then
- gl_cv_func_iconv_supports_utf=yes
- else
-changequote(,)dnl
- case "$host_os" in
- solaris2.9 | solaris2.1[0-9]) gl_cv_func_iconv_supports_utf=yes ;;
- esac
-changequote([,])dnl
- fi
- ])
- LIBS="$save_LIBS"
- ])
- if test $gl_cv_func_iconv_supports_utf = no; then
- REPLACE_ICONV_UTF=1
- AC_DEFINE([REPLACE_ICONV_UTF], [1],
- [Define if the iconv() functions are enhanced to handle the UTF-{16,32}{BE,LE} encodings.])
- REPLACE_ICONV=1
- gl_REPLACE_ICONV_OPEN
- AC_LIBOBJ([iconv])
- AC_LIBOBJ([iconv_close])
- fi
- fi