fix libck

git-svn-id: svn://kolibrios.org@7172 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/develop/ktcc/trunk/libc/stdlib/time.c

@@ -0,0 +1,61 @@
+#include <time.h>
+#include <kolibrisys.h>
+
+struct tm __buffertime;
+
+
+
+struct tm * localtime (const time_t * timer)
+/* non-standard!  ignore parameter and return just time now */
+{
+	int kos_date, kos_time;
+	kos_date = _ksys_get_date();
+	kos_time = _ksys_get_system_clock();
+	
+	__buffertime.tm_mday = kos_date >> 16;
+	__buffertime.tm_mon = ((kos_date & 0xFF00) >> 8) -1;
+	__buffertime.tm_year = kos_date >> 16 + 100;
+	
+	__buffertime.tm_wday = __buffertime.tm_yday = __buffertime.tm_isdst = -1; /* temporary */
+	
+	__buffertime.tm_sec = kos_time >> 16;
+	__buffertime.tm_min = (kos_time & 0xFF00) >> 8;
+	__buffertime.tm_hour = kos_time & 0xFF;
+
+	return &__buffertime;
+}
+
+time_t time (time_t* timer)
+{
+	time_t t = mktime(localtime(0));
+	
+	if (timer) *timer = t;
+	
+	return t;
+}
+
+time_t mktime (struct tm * timeptr)
+{
+	int y, m, d;
+	time_t 	t;
+	y = timeptr->tm_year + 1900;
+	m = timeptr->tm_mon + 1;
+	d = timeptr->tm_mday; /* to -1 or not to -1? */
+	
+	if (m < 3) { m += 12; y -= 1; }
+	
+	t = y * 365 + y / 4 + y /400 - y / 100; /* years - > days */
+	t += 30 * m + 3 * (m + 1) / 5 + d;		/* add month days */
+	
+	t -= 719561;  /* 01 jan 1970 */
+	t *= 86400;	
+ 
+	t += 3600 * timeptr->tm_hour + 60 * timeptr->tm_min + timeptr->tm_sec;
+
+	return t;
+}
+
+double difftime (time_t end, time_t beginning)
+{
+	return end - beginning;
+}