--- ray/src/rt/editline.c	1989/09/29 13:23:54	1.2
+++ ray/src/rt/editline.c	2003/02/25 02:47:22	2.5
@@ -1,15 +1,18 @@
-/* Copyright (c) 1987 Regents of the University of California */
-
 #ifndef lint
-static char SCCSid[] = "$SunId$ LBL";
+static const char	RCSid[] = "$Id: editline.c,v 2.5 2003/02/25 02:47:22 greg Exp $";
 #endif
-
 /*
  *  editline.c - routine for editing raw input for rview.
  *
- *	10/5/88
+ *  External symbols declared in driver.h
  */
 
+#include "copyright.h"
+
+#include "color.h"
+
+#include "driver.h"
+
 #define iscntrl(c)	((c) < ' ')
 #define isblank(c)	((c) == ' ')
 #define iserase(c)	((c) == '\b' || (c) == 127)
@@ -17,9 +20,11 @@ static char SCCSid[] = "$SunId$ LBL";
 #define iskill(c)	((c) == 'U'-'@' || (c) == 'X'-'@')
 
 
+void
 editline(buf, c_get, s_put)	/* edit input line */
 char  *buf;
-int  (*c_get)(), (*s_put)();
+int  (*c_get)();
+void  (*s_put)();
 {
 	static char  erases[] = "\b \b";
 	static char  obuf[4];
@@ -60,4 +65,53 @@ int  (*c_get)(), (*s_put)();
 		}
 	buf[i] = '\0';
 	(*s_put)("\n");
+}
+
+
+static char  mybuf[512];
+
+
+void
+tocombuf(b, d)				/* add command(s) to my buffer */
+register char  *b;
+register struct driver  *d;
+{
+	register char  *cp;
+	char  *comstart;
+
+	for (cp = mybuf; *cp; cp++)
+		;
+	comstart = cp;
+	while (*cp++ = *b)
+		if (cp >= mybuf+sizeof(mybuf)) {
+			*comstart = '\0';
+			return;		/* what should I do about this? */
+		} else if (*b++ == '\n') {
+			d->inpready++;
+			comstart = cp;
+		}
+}
+
+
+int
+fromcombuf(b, d)			/* get command from my buffer */
+char  *b;
+struct driver  *d;
+{
+	register char	*cp;
+						/* get next command */
+	for (cp = mybuf; *cp != '\n'; cp++)
+		if (!*cp)
+			return(0);
+	*cp++ = '\0';
+#ifdef DEBUG
+	(*d->comout)(mybuf);			/* echo my command */
+	(*d->comout)("\n");
+#endif
+						/* send it as reply */
+	strcpy(b, mybuf);
+	d->inpready--;
+						/* advance commands */
+	strcpy(mybuf, cp);
+	return(1);
 }