original files of m241

components/ip_net2-6.9/ipntp/src/libntp/buftvtots.c

@@ -0,0 +1,38 @@
+/*
+ * buftvtots - pull a Unix-format (struct timeval) time stamp out of
+ *	       an octet stream and convert it to a l_fp time stamp.
+ *	       This is useful when using the clock line discipline.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "ipntp_config.h"
+#endif
+#include "ntp_fp.h"
+#include "ntp_string.h"
+#include "timevalops.h"
+
+#ifndef SYS_WINNT
+int
+buftvtots(
+	const char *bufp,
+	l_fp *ts
+	)
+{
+	struct timeval tv;
+
+	/*
+	 * copy to adhere to alignment restrictions
+	 */
+	memcpy(&tv, bufp, sizeof(tv));
+
+	/*
+	 * and use it
+	 */
+	if (tv.tv_usec > MICROSECONDS - 1)
+		return FALSE;
+
+	*ts = tval_stamp_to_lfp(tv);
+
+	return TRUE;
+}
+#endif	/* !SYS_WINNT */