new file mode 100644
--- /dev/null
+++ b/packages/language/c/libc/current/tests/time/mktime.c
@@ -0,0 +1,175 @@
+//=================================================================
+//
+//        mktime.c
+//
+//        Testcase for C library mktime() function
+//
+//=================================================================
+//####COPYRIGHTBEGIN####
+//
+// -------------------------------------------
+// The contents of this file are subject to the Cygnus eCos Public License
+// Version 1.0 (the "License"); you may not use this file except in
+// compliance with the License.  You may obtain a copy of the License at
+// http://sourceware.cygnus.com/ecos
+// 
+// Software distributed under the License is distributed on an "AS IS"
+// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the
+// License for the specific language governing rights and limitations under
+// the License.
+// 
+// The Original Code is eCos - Embedded Cygnus Operating System, released
+// September 30, 1998.
+// 
+// The Initial Developer of the Original Code is Cygnus.  Portions created
+// by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions.  All Rights Reserved.
+// -------------------------------------------
+//
+//####COPYRIGHTEND####
+//=================================================================
+//#####DESCRIPTIONBEGIN####
+//
+// Author(s):     jlarmour
+// Contributors:  jlarmour
+// Date:          1999-03-05
+// Description:   Contains testcode for C library mktime() function
+//
+//
+//####DESCRIPTIONEND####
+
+// CONFIGURATION
+
+#include <pkgconf/libc.h>          // C library configuration
+
+// INCLUDES
+
+#include <time.h>
+#include <cyg/infra/testcase.h>
+#include <sys/cstartup.h>          // C library initialisation
+
+// HOW TO START TESTS
+
+# define START_TEST( test ) test(0)
+
+// FUNCTIONS
+
+
+externC void
+cyg_package_start( void )
+{
+    cyg_iso_c_start();
+} // cyg_package_start()
+
+
+static int
+cmp_structtm(struct tm *tm1, struct tm *tm2)
+{
+    if ((tm1->tm_sec   != tm2->tm_sec)   ||
+        (tm1->tm_min   != tm2->tm_min)   ||
+        (tm1->tm_hour  != tm2->tm_hour)  ||
+        (tm1->tm_mday  != tm2->tm_mday)  ||
+        (tm1->tm_mon   != tm2->tm_mon)   ||
+        (tm1->tm_year  != tm2->tm_year)  ||
+        (tm1->tm_wday  != tm2->tm_wday)  ||
+        (tm1->tm_yday  != tm2->tm_yday)  ||
+        (tm1->tm_isdst != tm2->tm_isdst))
+        return 1;
+    else
+        return 0;
+}
+
+static void
+test( CYG_ADDRWORD data )
+{
+    struct tm tm1, tm2;
+    time_t t;
+    
+    // make this predictable - independent of the user option
+    cyg_libc_time_setzoneoffsets(0, 3600);
+
+    tm1.tm_sec = 4;
+    tm1.tm_min = 23;
+    tm1.tm_hour = 20;
+    tm1.tm_mday = 21;
+    tm1.tm_mon = 1;
+    tm1.tm_year = 74;
+    tm1.tm_isdst = 0;
+
+    tm2 = tm1;
+    tm2.tm_wday = 4;
+    tm2.tm_yday = 51;
+
+    t = mktime(&tm1);
+    CYG_TEST_PASS_FAIL(!cmp_structtm(&tm1, &tm2), "mktime test #1");
+    CYG_TEST_PASS_FAIL(t == 130710184, "mktime return test #1");
+
+    tm1.tm_sec = 61;
+    tm1.tm_min = 20;
+    tm1.tm_hour = 4;
+    tm1.tm_mday = 5;
+    tm1.tm_mon = 0;
+    tm1.tm_year = 99;
+    tm1.tm_isdst = 0;
+
+    tm2 = tm1;
+    tm2.tm_sec=1;
+    tm2.tm_min = 21;
+    tm2.tm_wday = 2;
+    tm2.tm_yday = 4;
+
+    t = mktime(&tm1);
+    CYG_TEST_PASS_FAIL(!cmp_structtm(&tm1, &tm2), "mktime test #2");
+    CYG_TEST_PASS_FAIL(t == 915510061, "mktime return test #2");
+
+    tm1.tm_sec = 54;
+    tm1.tm_min = 24;
+    tm1.tm_hour = 1;
+    tm1.tm_mday = 1;
+    tm1.tm_mon = 0;
+    tm1.tm_year = 100;
+    tm1.tm_isdst = 0;
+
+    tm2 = tm1;
+    tm2.tm_wday = 6;
+    tm2.tm_yday = 0;
+
+    t = mktime(&tm1);
+    CYG_TEST_PASS_FAIL(!cmp_structtm(&tm1, &tm2), "mktime Y2K test #3");
+    CYG_TEST_PASS_FAIL(t == 946689894, "mktime Y2K return test #3");
+
+    tm1.tm_sec = 54;
+    tm1.tm_min = 24;
+    tm1.tm_hour = 23;
+    tm1.tm_mday = 31;
+    tm1.tm_mon = 4;
+    tm1.tm_year = 66;
+    tm1.tm_isdst = 1;
+
+    tm2 = tm1;
+    tm2.tm_wday = 2;
+    tm2.tm_yday = 150;
+
+    t = mktime(&tm1);
+    CYG_TEST_PASS_FAIL(!cmp_structtm(&tm1, &tm2), "mktime test #4");
+    CYG_TEST_PASS_FAIL(t == -113186106, "mktime return test #4");
+
+    CYG_TEST_FINISH("Finished tests from testcase " __FILE__ " for C library "
+                    "mktime() function");
+} // test()
+
+
+int
+main(int argc, char *argv[])
+{
+    CYG_TEST_INIT();
+
+    CYG_TEST_INFO("Starting tests from testcase " __FILE__ " for C library "
+                  "mktime() function");
+
+    START_TEST( test );
+
+    CYG_TEST_NA("Testing is not applicable to this configuration");
+
+} // main()
+
+// EOF mktime.c