From f859f9e2f8e38c83a90b12bb3d2ea8d72606d0ab Mon Sep 17 00:00:00 2001
From: Kevin Easton <caf@bitchx.org>
Date: Thu, 17 May 2018 16:26:17 +1000
Subject: [PATCH] Count columns used by ND_SPACE character when splitting lines

ND_SPACE take up a printable column, so they need to be counted.  Reproducer:

/eval echo $repeat(160 $chr(19))XXXXXXXXXXXXXXXXXXXXXXX
---
 Changelog       | 2 ++
 source/screen.c | 7 ++++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Changelog b/Changelog
index 5de1d29..e97f79c 100644
--- a/Changelog
+++ b/Changelog
@@ -1,5 +1,7 @@
 [Changes 1.2.2]
 
+* Count columns used by ND_SPACE character when splitting lines. (caf)
+
 * Use target window width rather than terminal width to wrap /list -wide
   output. (caf)
 
diff --git a/source/screen.c b/source/screen.c
index f7d63db..a30d7d2 100644
--- a/source/screen.c
+++ b/source/screen.c
@@ -500,10 +500,11 @@ char **BX_prepare_display(const char *orig_str,
 				/*
 				 * Just swallop up any ND's over the max
 				 */
-				if ((nds_max > 0) && (nds_count > nds_max))
-					;
-				else
+				if ((nds_count <= nds_max) || (nds_max <= 0))
+				{
 					buffer[pos++] = ND_SPACE;
+					col++;
+				}
 				break;
 			}
 			case '\n':      /* Forced newline */