From 0c3f5d0e0d9269ad47b8f4b061d7818993913189 Mon Sep 17 00:00:00 2001
From: Tatsuya Kinoshita <tats@debian.org>
Date: Mon, 14 Nov 2016 21:01:08 +0900
Subject: Prevent array index out of bounds for symbol

Bug-Debian: https://github.com/tats/w3m/issues/38
---
 display.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'display.c')

diff --git a/display.c b/display.c
index d4f336a..f1d6f99 100644
--- a/display.c
+++ b/display.c
@@ -1129,18 +1129,18 @@ addChar(char c, Lineprop mode)
 	    }
 #ifdef USE_M17N
 	    if (w == 2 && WcOption.use_wide)
-		addstr(graph2_symbol[(int)c]);
+		addstr(graph2_symbol[(unsigned char)c % N_GRAPH_SYMBOL]);
 	    else
 #endif
-		addch(*graph_symbol[(int)c]);
+		addch(*graph_symbol[(unsigned char)c % N_GRAPH_SYMBOL]);
 	}
 	else {
 #ifdef USE_M17N
 	    symbol = get_symbol(DisplayCharset, &w);
-	    addstr(symbol[(int)c]);
+	    addstr(symbol[(unsigned char)c % N_SYMBOL]);
 #else
 	    symbol = get_symbol();
-	    addch(*symbol[(int)c]);
+	    addch(*symbol[(unsigned char)c % N_SYMBOL]);
 #endif
 	}
     }
-- 
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