* gettimeofday() now also fills in a passed in struct timezone, if any,

using the new _kern_get_timezone() syscall.
* Added an implementation of ftime() based on the above function, this
  may fix bug #308.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16786 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/system/libroot/posix/sys/Jamfile

@@ -4,6 +4,7 @@ UseHeaders $(TARGET_PRIVATE_KERNEL_HEADERS) : true ;
 
 MergeObject posix_sys.o :
 	chmod.c
+	ftime.c
 	getrusage.c
  	gettimeofday.c
 	itimer.c

src/system/libroot/posix/sys/ftime.c

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2006, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <sys/time.h>
+#include <sys/timeb.h>
+
+
+int
+ftime(struct timeb *timeb)
+{
+	struct timezone	tz;
+	struct timeval tv;
+
+	if (timeb == NULL)
+		return -1;
+
+	gettimeofday(&tv, &tz);
+
+	timeb->time = tv.tv_sec;
+	timeb->millitm = tv.tv_usec / 1000UL;
+	timeb->timezone = tz.tz_minuteswest;
+	timeb->dstflag = tz.tz_dsttime;
+
+	return 0;
+}
+

src/system/libroot/posix/sys/gettimeofday.c

@@ -1,25 +1,31 @@
 /*
-** Copyright 2003, Axel Dörfler, [email protected]. All rights reserved.
+ * Copyright 2003-2006, Axel Dörfler, [email protected]. All rights reserved.
-** Distributed under the terms of the OpenBeOS License.
+ * Distributed under the terms of the MIT License.
-*/
+ */
 
 
 #include <sys/time.h>
-#include <OS.h>
+#include <syscalls.h>
 
 
 int
 gettimeofday(struct timeval *tv, struct timezone *tz)
 {
-	bigtime_t usecs;
+	if (tv != NULL) {
+		bigtime_t usecs = real_time_clock_usecs();
 
-	if (tv == NULL)
+		tv->tv_sec = usecs / 1000000;
-		return 0;
+		tv->tv_usec = usecs % 1000000;
+	}
 
-	usecs = real_time_clock_usecs();
+	if (tz != NULL) {
+		time_t timezoneOffset;
+		bool daylightSavingTime;
+		_kern_get_timezone(&timezoneOffset, &daylightSavingTime);
 
-	tv->tv_sec = usecs / 1000000;
+		tz->tz_minuteswest = timezoneOffset;
-	tv->tv_usec = usecs % 1000000;
+		tz->tz_dsttime = daylightSavingTime;
+	}
 
 	return 0;
 }