Tom Gray's new tip changes to support a modem capabilities database and

fixes to many assorted bugs and misfeatures.
Submitted by:	Tom Gray - DCA <dcasba@rain.org>

1 files changed, 107 insertions, 0 deletions

diff --git a/usr.bin/tip/libacu/tod.c b/usr.bin/tip/libacu/tod.c
new file mode 100644
index 0000000..62ccddc
--- /dev/null
+++ b/usr.bin/tip/libacu/tod.c
@@ -0,0 +1,107 @@
+/*
+ * tod.c -- time of day pseudo-class implementation
+ *
+ * Copyright (c) 1995 John H. Poplett
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice immediately at the beginning of the file, without modification,
+ *    this list of conditions, and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Absolutely no warranty of function or purpose is made by the author
+ *    John H. Poplett.
+ * 4. This work was done expressly for inclusion into FreeBSD.  Other use
+ *    is allowed if this notation is included.
+ * 5. Modifications may be freely made to this file if the above conditions
+ *    are met.
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/time.h>
+
+#include <assert.h>
+#include <stdio.h>
+
+#include "tod.h"
+
+#define USP 1000000
+
+int tod_cmp (const struct timeval *a, const struct timeval *b)
+{
+	int rc;
+	assert (a->tv_usec <= USP);
+	assert (b->tv_usec <= USP);
+	rc = a->tv_sec - b->tv_sec;
+	if (rc == 0)
+		rc = a->tv_usec - b->tv_usec;
+	return rc;
+}
+
+/*
+	TOD < command
+*/
+int tod_lt (const struct timeval *a, const struct timeval *b) 
+{
+	return tod_cmp (a, b) < 0;
+}
+
+int tod_gt (const struct timeval *a, const struct timeval *b) 
+{
+	return tod_cmp (a, b) > 0;
+}
+
+int tod_lte (const struct timeval *a, const struct timeval *b) 
+{
+	return tod_cmp (a, b) <= 0;
+}
+
+int tod_gte (const struct timeval *a, const struct timeval *b) 
+{
+	return tod_cmp (a, b) >= 0;
+}
+
+int tod_eq (const struct timeval *a, const struct timeval *b) 
+{
+	return tod_cmp (a, b) == 0;
+}
+
+/*
+	TOD += command
+*/
+void tod_addto (struct timeval *a, const struct timeval *b)
+{
+	a->tv_usec += b->tv_usec;
+	a->tv_sec += b->tv_sec + a->tv_usec / USP;
+	a->tv_usec %= USP;
+}
+
+/*
+	TOD -= command
+*/
+void tod_subfrom (struct timeval *a, struct timeval b)
+{
+	assert (a->tv_usec <= USP);
+	assert (b.tv_usec <= USP);
+	if (b.tv_usec > a->tv_usec)
+	{
+		a->tv_usec += USP;
+		a->tv_sec -= 1;
+	}
+	a->tv_usec -= b.tv_usec;
+	a->tv_sec -= b.tv_sec;
+}
+
+void tod_gettime (struct timeval *tp)
+{
+	gettimeofday (tp, NULL);
+	tp->tv_sec += tp->tv_usec / USP;
+	tp->tv_usec %= USP;
+}
+
+/* end of tod.c */