/* Determine a canonical name for the current locale's character encoding.
- Copyright (C) 2000-2004 Free Software Foundation, Inc.
+ Copyright (C) 2000-2006, 2008 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
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Bruno Haible <bruno@clisp.org>. */
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
/* Specification. */
#include "localcharset.h"
-#if HAVE_STDDEF_H
-# include <stddef.h>
-#endif
-
+#include <stddef.h>
#include <stdio.h>
-#if HAVE_STRING_H
-# include <string.h>
-#else
-# include <strings.h>
-#endif
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
+#include <string.h>
+#include <stdlib.h>
#if defined _WIN32 || defined __WIN32__
-# undef WIN32 /* avoid warning on mingw32 */
-# define WIN32
+# define WIN32_NATIVE
#endif
#if defined __EMX__
/* Assume EMX program runs on OS/2, even if compiled under DOS. */
-# define OS2
+# ifndef OS2
+# define OS2
+# endif
#endif
-#if !defined WIN32
+#if !defined WIN32_NATIVE
# if HAVE_LANGINFO_CODESET
# include <langinfo.h>
# else
-# if HAVE_SETLOCALE
+# if 0 /* see comment below */
# include <locale.h>
# endif
# endif
-#elif defined WIN32
+# ifdef __CYGWIN__
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>
+# endif
+#elif defined WIN32_NATIVE
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
#endif
# define relocate(pathname) (pathname)
#endif
+/* Get LIBDIR. */
+#ifndef LIBDIR
+# include "configmake.h"
+#endif
+
#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
/* Win32, Cygwin, OS/2, DOS */
# define ISSLASH(C) ((C) == '/' || (C) == '\\')
/* Return a pointer to the contents of the charset.alias file. */
static const char *
-get_charset_aliases ()
+get_charset_aliases (void)
{
const char *cp;
cp = charset_aliases;
if (cp == NULL)
{
-#if !(defined VMS || defined WIN32)
+#if !(defined VMS || defined WIN32_NATIVE || defined __CYGWIN__)
FILE *fp;
const char *dir;
const char *base = "charset.alias";
"DECKOREAN" "\0" "EUC-KR" "\0";
# endif
-# if defined WIN32
+# if defined WIN32_NATIVE || defined __CYGWIN__
/* To avoid the troubles of installing a separate file in the same
directory as the DLL and of retrieving the DLL's directory at
runtime, simply inline the aliases here. */
"CP1361" "\0" "JOHAB" "\0"
"CP20127" "\0" "ASCII" "\0"
"CP20866" "\0" "KOI8-R" "\0"
+ "CP20936" "\0" "GB2312" "\0"
"CP21866" "\0" "KOI8-RU" "\0"
"CP28591" "\0" "ISO-8859-1" "\0"
"CP28592" "\0" "ISO-8859-2" "\0"
"CP28597" "\0" "ISO-8859-7" "\0"
"CP28598" "\0" "ISO-8859-8" "\0"
"CP28599" "\0" "ISO-8859-9" "\0"
- "CP28605" "\0" "ISO-8859-15" "\0";
+ "CP28605" "\0" "ISO-8859-15" "\0"
+ "CP38598" "\0" "ISO-8859-8" "\0"
+ "CP51932" "\0" "EUC-JP" "\0"
+ "CP51936" "\0" "GB2312" "\0"
+ "CP51949" "\0" "EUC-KR" "\0"
+ "CP51950" "\0" "EUC-TW" "\0"
+ "CP54936" "\0" "GB18030" "\0"
+ "CP65001" "\0" "UTF-8" "\0";
# endif
#endif
STATIC
#endif
const char *
-locale_charset ()
+locale_charset (void)
{
const char *codeset;
const char *aliases;
-#if !(defined WIN32 || defined OS2)
+#if !(defined WIN32_NATIVE || defined OS2)
# if HAVE_LANGINFO_CODESET
/* Most systems support nl_langinfo (CODESET) nowadays. */
codeset = nl_langinfo (CODESET);
+# ifdef __CYGWIN__
+ /* Cygwin 2006 does not have locales. nl_langinfo (CODESET) always
+ returns "US-ASCII". As long as this is not fixed, return the suffix
+ of the locale name from the environment variables (if present) or
+ the codepage as a number. */
+ if (codeset != NULL && strcmp (codeset, "US-ASCII") == 0)
+ {
+ const char *locale;
+ static char buf[2 + 10 + 1];
+
+ locale = getenv ("LC_ALL");
+ if (locale == NULL || locale[0] == '\0')
+ {
+ locale = getenv ("LC_CTYPE");
+ if (locale == NULL || locale[0] == '\0')
+ locale = getenv ("LANG");
+ }
+ if (locale != NULL && locale[0] != '\0')
+ {
+ /* If the locale name contains an encoding after the dot, return
+ it. */
+ const char *dot = strchr (locale, '.');
+
+ if (dot != NULL)
+ {
+ const char *modifier;
+
+ dot++;
+ /* Look for the possible @... trailer and remove it, if any. */
+ modifier = strchr (dot, '@');
+ if (modifier == NULL)
+ return dot;
+ if (modifier - dot < sizeof (buf))
+ {
+ memcpy (buf, dot, modifier - dot);
+ buf [modifier - dot] = '\0';
+ return buf;
+ }
+ }
+ }
+
+ /* Woe32 has a function returning the locale's codepage as a number. */
+ sprintf (buf, "CP%u", GetACP ());
+ codeset = buf;
+ }
+# endif
+
# else
/* On old systems which lack it, use setlocale or getenv. */
(like SunOS 4 or DJGPP) have only the C locale. Therefore we don't
use setlocale here; it would return "C" when it doesn't support the
locale name the user has set. */
-# if HAVE_SETLOCALE && 0
+# if 0
locale = setlocale (LC_CTYPE, NULL);
# endif
if (locale == NULL || locale[0] == '\0')
# endif
-#elif defined WIN32
+#elif defined WIN32_NATIVE
static char buf[2 + 10 + 1];
projects / gnulib.git / blobdiff