--- /dev/null
+# locale-zh.m4 serial 1
+dnl Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Bruno Haible.
+
+dnl Determine the name of a chinese locale with GB18030 encoding.
+AC_DEFUN([gt_LOCALE_ZH_CN],
+[
+ AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([AM_LANGINFO_CODESET])
+ AC_CACHE_CHECK([for a transitional chinese locale], gt_cv_locale_zh_CN, [
+ macosx=
+ case "$host_os" in
+ darwin[56]*) ;;
+ darwin*) macosx=yes;;
+ esac
+ if test -n "$macosx"; then
+ # On Darwin 7 (MacOS X), the libc supports some locales in non-UTF-8
+ # encodings, but the kernel does not support them. The documentation
+ # says:
+ # "... all code that calls BSD system routines should ensure
+ # that the const *char parameters of these routines are in UTF-8
+ # encoding. All BSD system functions expect their string
+ # parameters to be in UTF-8 encoding and nothing else."
+ # See the comments in config.charset. Therefore we bypass the test.
+ gt_cv_locale_zh_CN=none
+ else
+ AC_LANG_CONFTEST([AC_LANG_SOURCE([
+changequote(,)dnl
+#include <locale.h>
+#include <stdlib.h>
+#include <time.h>
+#if HAVE_LANGINFO_CODESET
+# include <langinfo.h>
+#endif
+struct tm t;
+char buf[16];
+int main ()
+{
+ const char *p;
+ /* Check whether the given locale name is recognized by the system. */
+ if (setlocale (LC_ALL, "") == NULL) return 1;
+ /* Check whether nl_langinfo(CODESET) is nonempty.
+ On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
+ is empty, and the behaviour of Tcl 8.4 in this locale is not useful. */
+#if HAVE_LANGINFO_CODESET
+ if (nl_langinfo (CODESET) [0] == '\0') return 1;
+#endif
+ /* Check whether in a month name, no byte in the range 0x80..0x9F occurs.
+ This excludes the UTF-8 encoding. */
+ t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
+ if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1;
+ for (p = buf; *p != '\0'; p++)
+ if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0)
+ return 1;
+ /* Check whether a typical GB18030 multibyte sequence is recognized as a
+ single wide character. This excludes the GB2312 and GBK encodings. */
+ if (mblen ("\203\062\332\066", 5) != 4)
+ return 1;
+ return 0;
+}
+changequote([,])dnl
+ ])])
+ if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
+ # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
+ # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
+ # configure script would override the LC_ALL setting. Likewise for
+ # LC_CTYPE, which is also set at the beginning of the configure script.
+ # Test for the locale name without encoding suffix.
+ if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+ gt_cv_locale_zh_CN=zh_CN
+ else
+ # Test for the locale name with explicit encoding suffix.
+ if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+ gt_cv_locale_zh_CN=zh_CN.GB18030
+ else
+ # None found.
+ gt_cv_locale_zh_CN=none
+ fi
+ fi
+ else
+ # If there was a link error, due to mblen(), the system is so old that
+ # it certainly doesn't have a chinese locale.
+ gt_cv_locale_zh_CN=none
+ fi
+ rm -fr conftest*
+ fi
+ ])
+ LOCALE_ZH_CN=$gt_cv_locale_zh_CN
+ AC_SUBST([LOCALE_ZH_CN])
+])
--- /dev/null
+/* Test of searching a string for a character.
+ Copyright (C) 2007 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <string.h>
+
+#include <locale.h>
+#include <stdlib.h>
+
+#define ASSERT(expr) if (!(expr)) abort ();
+
+int
+main ()
+{
+ /* configure should already have checked that the locale is supported. */
+ if (setlocale (LC_ALL, "") == NULL)
+ return 1;
+
+ /* Tests with a character < 0x30. */
+ {
+ const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
+ const char *result = mbschr (input, ' ');
+ ASSERT (result == input + 4);
+ }
+
+ {
+ const char input[] = "\312\276\300\375"; /* "示例" */
+ const char *result = mbschr (input, ' ');
+ ASSERT (result == NULL);
+ }
+
+ /* Tests with a character >= 0x30. */
+ {
+ const char input[] = "\272\305123\324\313\320\320\241\243"; /* "号123运行。" */
+ const char *result = mbschr (input, '2');
+ ASSERT (result == input + 3);
+ }
+
+ /* This test shows how mbschr() is different from strchr(). */
+ {
+ const char input[] = "\203\062\332\066123\324\313\320\320\241\243"; /* "씋123运行。" */
+ const char *result = mbschr (input, '2');
+ ASSERT (result == input + 5);
+ }
+
+ {
+ const char input[] = "\312\300\275\347\304\343\272\303\243\241"; /* "世界你好！" */
+ const char *result = mbschr (input, '!');
+ ASSERT (result == NULL);
+ }
+
+ return 0;
+}
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