BSD 4.4 Lite Lib Sources

1 files changed, 123 insertions, 0 deletions

diff --git a/lib/libterm/tputs.c b/lib/libterm/tputs.c
new file mode 100644
index 0000000..857147d
--- /dev/null
+++ b/lib/libterm/tputs.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 1980, 1993
+ *	The Regents of the University of California.  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, 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)tputs.c	8.1 (Berkeley) 6/4/93";
+#endif /* not lint */
+
+#include <sgtty.h>
+#include <ctype.h>
+
+/*
+ * The following array gives the number of tens of milliseconds per
+ * character for each speed as returned by gtty.  Thus since 300
+ * baud returns a 7, there are 33.3 milliseconds per char at 300 baud.
+ */
+static
+short	tmspc10[] = {
+	0, 2000, 1333, 909, 743, 666, 500, 333, 166, 83, 55, 41, 20, 10, 5
+};
+
+short	ospeed;
+char	PC;
+
+/*
+ * Put the character string cp out, with padding.
+ * The number of affected lines is affcnt, and the routine
+ * used to output one character is outc.
+ */
+tputs(cp, affcnt, outc)
+	register char *cp;
+	int affcnt;
+	int (*outc)();
+{
+	register int i = 0;
+	register int mspc10;
+
+	if (cp == 0)
+		return;
+
+	/*
+	 * Convert the number representing the delay.
+	 */
+	if (isdigit(*cp)) {
+		do
+			i = i * 10 + *cp++ - '0';
+		while (isdigit(*cp));
+	}
+	i *= 10;
+	if (*cp == '.') {
+		cp++;
+		if (isdigit(*cp))
+			i += *cp - '0';
+		/*
+		 * Only one digit to the right of the decimal point.
+		 */
+		while (isdigit(*cp))
+			cp++;
+	}
+
+	/*
+	 * If the delay is followed by a `*', then
+	 * multiply by the affected lines count.
+	 */
+	if (*cp == '*')
+		cp++, i *= affcnt;
+
+	/*
+	 * The guts of the string.
+	 */
+	while (*cp)
+		(*outc)(*cp++);
+
+	/*
+	 * If no delay needed, or output speed is
+	 * not comprehensible, then don't try to delay.
+	 */
+	if (i == 0)
+		return;
+	if (ospeed <= 0 || ospeed >= (sizeof tmspc10 / sizeof tmspc10[0]))
+		return;
+
+	/*
+	 * Round up by a half a character frame,
+	 * and then do the delay.
+	 * Too bad there are no user program accessible programmed delays.
+	 * Transmitting pad characters slows many
+	 * terminals down and also loads the system.
+	 */
+	mspc10 = tmspc10[ospeed];
+	i += mspc10 / 2;
+	for (i /= mspc10; i > 0; i--)
+		(*outc)(PC);
+}