BytesToUnicode.java (getDefaultDecoder): Let default decoder use iconv.

* gnu/gcj/convert/BytesToUnicode.java (getDefaultDecoder): Let
	default decoder use iconv.
	* gnu/gcj/convert/UnicodeToBytes.java (getDefaultEncoder):
	Let default encoder use iconv.
	* configure: Rebuilt.
	* configure.in: Check for nl_langinfo and <langinfo.h>.
	* java/lang/natSystem.cc (file_encoding): New function.
	(DEFAULT_FILE_ENCODING): Define to file_encoding() if possible.

From-SVN: r36306

libjava/ChangeLog

@@ -1,3 +1,14 @@
+2000-09-08  Tom Tromey  <tromey@cygnus.com>
+
+	* gnu/gcj/convert/BytesToUnicode.java (getDefaultDecoder): Let
+	default decoder use iconv.
+	* gnu/gcj/convert/UnicodeToBytes.java (getDefaultEncoder):
+	Let default encoder use iconv.
+	* configure: Rebuilt.
+	* configure.in: Check for nl_langinfo and <langinfo.h>.
+	* java/lang/natSystem.cc (file_encoding): New function.
+	(DEFAULT_FILE_ENCODING): Define to file_encoding() if possible.
+
 2000-09-10  Alexandre Oliva  <aoliva@redhat.com>
 
 	* acinclude.m4: Simplify the tests for CC and CXX.

libjava/configure.in

@@ -396,7 +396,8 @@ if test -n "${with_cross_host}"; then
 else
    AC_CHECK_FUNCS(strerror ioctl select fstat open fsync sleep)
    AC_CHECK_FUNCS(gmtime_r localtime_r readdir_r getpwuid_r getcwd)
-   AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath iconv)
+   AC_CHECK_FUNCS(access stat mkdir rename rmdir unlink realpath)
+   AC_CHECK_FUNCS(iconv nl_langinfo)
    AC_CHECK_FUNCS(inet_aton inet_addr, break)
    AC_CHECK_FUNCS(inet_pton uname inet_ntoa)
    AC_CHECK_FUNCS(backtrace fork execvp pipe)
@@ -665,7 +666,7 @@ CFLAGS="$save_CFLAGS"
 dnl We check for sys/filio.h because Solaris 2.5 defines FIONREAD there.
 dnl On that system, sys/ioctl.h will not include sys/filio.h unless
 dnl BSD_COMP is defined; just including sys/filio.h is simpler.
-AC_CHECK_HEADERS(unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h pwd.h sys/config.h inttypes.h stdint.h)
+AC_CHECK_HEADERS(unistd.h bstring.h sys/time.h sys/types.h fcntl.h sys/ioctl.h sys/filio.h sys/stat.h sys/select.h sys/socket.h netinet/in.h arpa/inet.h netdb.h pwd.h sys/config.h inttypes.h stdint.h langinfo.h)
 dnl We avoid AC_HEADER_DIRENT since we really only care about dirent.h
 dnl for now.  If you change this, you also must update natFile.cc.
 AC_CHECK_HEADERS(dirent.h)

libjava/gnu/gcj/convert/BytesToUnicode.java

@@ -52,7 +52,14 @@ public abstract class BytesToUnicode extends IOConverter
       }
     catch (Throwable ex)
       {
-	return new Input_8859_1();
+	try
+	  {
+	    return new Input_iconv (System.getProperty ("file.encoding"));
+	  }
+	catch (Throwable ex2)
+	  {
+	    return new Input_8859_1();
+	  }
       }
   }
 

libjava/gnu/gcj/convert/UnicodeToBytes.java

@@ -50,7 +50,14 @@ public abstract class UnicodeToBytes extends IOConverter
       }
     catch (Throwable ex)
       {
-	return new Output_8859_1();
+	try
+	  {
+	    return new Output_iconv (System.getProperty ("file.encoding"));
+	  }
+	catch (Throwable ex2)
+	  {
+	    return new Output_8859_1();
+	  }
       }
   }
 

libjava/include/config.h.in

@@ -230,6 +230,9 @@
 /* Define if you have the mkdir function.  */
 #undef HAVE_MKDIR
 
+/* Define if you have the nl_langinfo function.  */
+#undef HAVE_NL_LANGINFO
+
 /* Define if you have the open function.  */
 #undef HAVE_OPEN
 
@@ -299,6 +302,9 @@
 /* Define if you have the <inttypes.h> header file.  */
 #undef HAVE_INTTYPES_H
 
+/* Define if you have the <langinfo.h> header file.  */
+#undef HAVE_LANGINFO_H
+
 /* Define if you have the <netdb.h> header file.  */
 #undef HAVE_NETDB_H
 

libjava/java/lang/natSystem.cc

@@ -24,6 +24,10 @@ details.  */
 #include <sys/utsname.h>
 #endif
 
+#ifdef HAVE_LANGINFO_H
+#include <langinfo.h>
+#endif
+
 #include <gcj/cni.h>
 #include <jvm.h>
 #include <java-props.h>
@@ -151,9 +155,26 @@ java::lang::System::identityHashCode (jobject obj)
   return _Jv_HashCode (obj);
 }
 
+#if ! defined (DEFAULT_FILE_ENCODING) && defined (HAVE_ICONV) \
+    && defined (HAVE_NL_LANGINFO)
+
+static char *
+file_encoding ()
+{
+  setlocale (LC_CTYPE, "");
+  char *e = nl_langinfo (CODESET);
+  if (e == NULL || *e == '\0')
+    e = "8859_1";
+}
+
+#define DEFAULT_FILE_ENCODING file_encoding ()
+
+#endif
+
 #ifndef DEFAULT_FILE_ENCODING
 #define DEFAULT_FILE_ENCODING "8859_1"
 #endif
+
 static char *default_file_encoding = DEFAULT_FILE_ENCODING;
 
 #if HAVE_GETPWUID_R