OpenSolaris Launch

1 files changed, 117 insertions, 0 deletions

diff --git a/usr/src/lib/libcurses/screen/iexpand.c b/usr/src/lib/libcurses/screen/iexpand.c
new file mode 100644
index 0000000000..0758e8761f
--- /dev/null
+++ b/usr/src/lib/libcurses/screen/iexpand.c
@@ -0,0 +1,117 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 1997 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+/*	Copyright (c) 1988 AT&T	*/
+/*	  All Rights Reserved	*/
+
+/*
+ * University Copyright- Copyright (c) 1982, 1986, 1988
+ * The Regents of the University of California
+ * All Rights Reserved
+ *
+ * University Acknowledgment- Portions of this document are derived from
+ * software developed by the University of California, Berkeley, and its
+ * contributors.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*LINTLIBRARY*/
+
+#include <sys/types.h>
+#include <stdio.h>
+
+/*
+ *	Convert a character, making appropriate changes to make it printable
+ *	for a terminfo source entry. Change escape to \E, tab to \t, backspace
+ *	to \b, formfeed to \f, newline to \n, and return to \r. Change other
+ *	control characters into ^X notation. Change meta characters into octal
+ *	(\nnn) notation. Also place a backslash in front of commas,
+ *	carets(^), and backslashes(\). Return the number of characters printed.
+ */
+
+#define	BACKSLASH	'\\'
+#define	BACKBACK	"\\\\"
+
+static char retbuffer[1024];
+
+/*
+ *  Expand a string taking terminfo sequences into consideration.
+ */
+char
+*iexpand(char *string)
+{
+	int	c;
+	char	*retptr = retbuffer;
+
+	retbuffer[0] = '\0';
+	while ((c = *string++) != 0) {
+		/* should check here to make sure that there is enough room */
+		/* in retbuffer and realloc it if necessary. */
+		c &= 0377;
+		/* we ignore the return value from sprintf because BSD/V7 */
+		/* systems return a (char *) rather than an int. */
+		if (c >= 0200) {
+			(void) sprintf(retptr, "\\%.3o", c); retptr += 4; }
+		else if (c == '\033') {
+			(void) sprintf(retptr, "\\E"); retptr += 2; }
+		else if (c == '\t') {
+			(void) sprintf(retptr, "\\t"); retptr += 2; }
+		else if (c == '\b') {
+			(void) sprintf(retptr, "\\b"); retptr += 2; }
+		else if (c == '\f') {
+			(void) sprintf(retptr, "\\f"); retptr += 2; }
+		else if (c == '\n') {
+			(void) sprintf(retptr, "\\n"); retptr += 2; }
+		else if (c == '\r') {
+			(void) sprintf(retptr, "\\r"); retptr += 2; }
+		else if (c == ',') {
+			(void) sprintf(retptr, "\\,"); retptr += 2; }
+		else if (c == '^') {
+			(void) sprintf(retptr, "\\^"); retptr += 2; }
+		else if (c == BACKSLASH) {
+			(void) sprintf(retptr, BACKBACK); retptr += 2; }
+		else if (c == ' ') {
+			(void) sprintf(retptr, "\\s"); retptr += 2; }
+		else if (c < ' ' || c == 0177) {
+			(void) sprintf(retptr, "^%c", c ^ 0100); retptr += 2; }
+		else {
+			(void) sprintf(retptr, "%c", c); retptr++; }
+	}
+	*retptr = '\0';
+	return (retbuffer);
+}
+
+/*
+ *  Print out a string onto a stream, changing unprintables into
+ *  terminfo printables.
+ */
+void
+tpr(FILE *stream, char *string)
+{
+	if (string != NULL)
+		(void) fprintf(stream, "%s", iexpand(string));
+}