configure, [...]: Rebuilt.

2002-01-06 Andreas Tobler <a.tobler@schweiz.ch>

	* configure, include/config.h.in: Rebuilt.
	* java/lang/natSystem.cc (getSystemTimeZone): Check HAVE_TM_ZONE.
	* configure.in: Call AC_STRUCT_TIMEZONE.

From-SVN: r48588

libjava/ChangeLog

+2002-01-06 Andreas Tobler <a.tobler@schweiz.ch>
+
+	* configure, include/config.h.in: Rebuilt.
+	* java/lang/natSystem.cc (getSystemTimeZone): Check HAVE_TM_ZONE.
+	* configure.in: Call AC_STRUCT_TIMEZONE.
+
 2002-01-02 Andreas Tobler <a.tobler@schweiz.ch>
 
 	* configure.host: Disable the interpreter for Darwin.

libjava/configure.in

@@ -450,6 +450,7 @@ else
      AC_DEFINE(HAVE_PROC_SELF_EXE)])
 
    AM_ICONV
+   AC_STRUCT_TIMEZONE
 
    AC_CHECK_FUNCS(gethostbyname_r, [
      AC_DEFINE(HAVE_GETHOSTBYNAME_R)

libjava/include/config.h.in

@@ -13,6 +13,13 @@
 /* Define if you have <alloca.h> and it should be used (not on Ultrix).  */
 #undef HAVE_ALLOCA_H
 
+/* Define if your struct tm has tm_zone.  */
+#undef HAVE_TM_ZONE
+
+/* Define if you don't have tm_zone but do have the external array
+   tzname.  */
+#undef HAVE_TZNAME
+
 /* If using the C implementation of alloca, define if you know the
    direction of stack growth for your system; otherwise it will be
    automatically deduced at run-time.
@@ -25,6 +32,9 @@
 /* Define if you have the ANSI C header files.  */
 #undef STDC_HEADERS
 
+/* Define if your <sys/time.h> declares struct tm.  */
+#undef TM_IN_SYS_TIME
+
 /* Define if the X Window System is missing or not being used.  */
 #undef X_DISPLAY_MISSING
 

libjava/java/lang/natSystem.cc

 // natSystem.cc - Native code implementing System class.
 
-/* Copyright (C) 1998, 1999, 2000, 2001  Free Software Foundation
+/* Copyright (C) 1998, 1999, 2000, 2001 , 2002 Free Software Foundation
 
    This file is part of libgcj.
 
@@ -242,8 +242,9 @@ java::lang::System::getSystemTimeZone (void)
 {
   struct tm *tim;
   time_t current_time;
-  char **tzinfo, *tzid;
   long tzoffset;
+  const char *tz1, *tz2;
+  char *tzid;
 
   current_time = time(0);
 
@@ -259,34 +260,28 @@ java::lang::System::getSystemTimeZone (void)
   // is available, esp. if tzname is valid.
   // Richard Earnshaw <rearnsha@arm.com> has suggested using difftime to
   // calculate between gmtime and localtime (and accounting for possible
-  // daylight savings time) as an alternative.  Also note that this same
-  // issue exists in java/util/natGregorianCalendar.cc.
+  // daylight savings time) as an alternative.
   tzoffset = 0L;
 #endif
-  tzinfo = tzname;
+
+#ifdef HAVE_TM_ZONE
+  tz1 = tim->tm_zone;
+  tz2 = "";
+#elif defined (HAVE_TZNAME)
+  tz1 = tzname[0];
+  tz2 = strcmp (tzname[0], tzname[1]) ? tzname[1] : "";
+#else
+#error Neither tm_zone nor tzname defined
+#endif
 
   if ((tzoffset % 3600) == 0)
     tzoffset = tzoffset / 3600;
 
-  if (!strcmp(tzinfo[0], tzinfo[1]))  
-    {
-      tzid = (char*) _Jv_Malloc (strlen(tzinfo[0]) + 6);
-      if (!tzid)
-        return NULL;
-
-      sprintf(tzid, "%s%ld", tzinfo[0], tzoffset);
-    }
-  else
-    {
-      tzid = (char*) _Jv_Malloc (strlen(tzinfo[0]) + strlen(tzinfo[1]) + 6);
-      if (!tzid)
-        return NULL;
-
-      sprintf(tzid, "%s%ld%s", tzinfo[0], tzoffset, tzinfo[1]);
-    }
-
+  tzid = (char*) _Jv_Malloc (strlen(tz1) + strlen(tz2) + 6);
+  sprintf(tzid, "%s%ld%s", tz1, tzoffset, tz2);
   jstring retval = JvNewStringUTF (tzid);
   _Jv_Free (tzid);
+
   return retval;
 }