aboutsummaryrefslogtreecommitdiff
path: root/libjava/java/util/natTimeZone.cc
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/java/util/natTimeZone.cc')
-rw-r--r--libjava/java/util/natTimeZone.cc72
1 files changed, 72 insertions, 0 deletions
diff --git a/libjava/java/util/natTimeZone.cc b/libjava/java/util/natTimeZone.cc
new file mode 100644
index 0000000..61128c8
--- /dev/null
+++ b/libjava/java/util/natTimeZone.cc
@@ -0,0 +1,72 @@
+/* Copyright (C) 2000 Free Software Foundation
+
+ This file is part of libgcj.
+
+This software is copyrighted work licensed under the terms of the
+Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
+details. */
+
+#include <config.h>
+
+#include <gcj/cni.h>
+#include <java/util/TimeZone.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#if TIME_WITH_SYS_TIME
+# include <sys/time.h>
+# include <time.h>
+#else
+# if HAVE_SYS_TIME_H
+# include <sys/time.h>
+# else
+# include <time.h>
+# endif
+#endif
+
+/*
+ * This method returns a time zone string that is used by the static
+ * initializer in java.util.TimeZone to create the default timezone
+ * instance. This is a key into the timezone table used by
+ * that class.
+ */
+jstring
+java::util::TimeZone::getDefaultTimeZoneId (void)
+{
+ time_t current_time;
+ char **tzinfo, *tzid;
+ long tzoffset;
+ jstring retval;
+
+ current_time = time(0);
+
+ mktime(localtime(&current_time));
+ tzinfo = tzname;
+ tzoffset = timezone;
+
+ 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]);
+ }
+
+ retval = JvNewStringUTF (tzid);
+ _Jv_Free (tzid);
+ return retval;
+}
+