$NetBSD: patch-ah,v 1.3 2000/07/28 20:30:11 jlam Exp $

--- textbox.c.orig	Thu Aug 17 19:07:40 1995
+++ textbox.c	Fri Jul 28 15:30:22 2000
@@ -45,6 +45,11 @@
     char search_term[MAX_LEN + 1], *tempptr, *found;
     WINDOW *dialog, *text;
 
+    if (height < 0 || width < 0) {
+       fprintf(stderr, "\nAutosizing is impossible in dialog_textbox().\n");
+       return(-1);
+    }
+
     search_term[0] = '\0';	/* no search term entered yet */
 
     /* Open input file for reading */
@@ -634,7 +639,7 @@
 static int
 get_search_term (WINDOW * win, char *search_term, int height, int width)
 {
-    int i, x, y, input_x = 0, scroll = 0, key = 0;
+    int i, x, y, input_x = 0, d_scroll = 0, key = 0;
     int box_height = 3, box_width = 30;
 
     x = (width - box_width) / 2;
@@ -663,18 +668,18 @@
 	    break;
 	case KEY_BACKSPACE:
 	case 127:
-	    if (input_x || scroll) {
+	    if (input_x || d_scroll) {
 		if (!input_x) {
-		    scroll = scroll < box_width - 1 ?
-			0 : scroll - (box_width - 1);
+		    d_scroll = d_scroll < box_width - 1 ?
+			0 : d_scroll - (box_width - 1);
 		    wmove (win, y + 1, x + 1);
 		    for (i = 0; i < box_width; i++)
-			waddch (win, search_term[scroll + input_x + i] ?
-				search_term[scroll + input_x + i] : ' ');
-		    input_x = strlen (search_term) - scroll;
+			waddch (win, search_term[d_scroll + input_x + i] ?
+				search_term[d_scroll + input_x + i] : ' ');
+		    input_x = strlen (search_term) - d_scroll;
 		} else
 		    input_x--;
-		search_term[scroll + input_x] = '\0';
+		search_term[d_scroll + input_x] = '\0';
 		wmove (win, y + 1, input_x + x + 1);
 		waddch (win, ' ');
 		wmove (win, y + 1, input_x + x + 1);
@@ -685,14 +690,14 @@
 	    break;
 	default:
 	    if (isprint (key))
-		if (scroll + input_x < MAX_LEN) {
-		    search_term[scroll + input_x] = key;
-		    search_term[scroll + input_x + 1] = '\0';
+		if (d_scroll + input_x < MAX_LEN) {
+		    search_term[d_scroll + input_x] = key;
+		    search_term[d_scroll + input_x + 1] = '\0';
 		    if (input_x == box_width - 1) {
-			scroll++;
+			d_scroll++;
 			wmove (win, y + 1, x + 1);
 			for (i = 0; i < box_width - 1; i++)
-			    waddch (win, search_term[scroll + i]);
+			    waddch (win, search_term[d_scroll + i]);
 		    } else {
 			wmove (win, y + 1, input_x++ + x + 1);
 			waddch (win, key);