From 6063e7b5532481ffaa7a6f080de28547983bbeb7 Mon Sep 17 00:00:00 2001
From: Lars Hjemli <hjemli@gmail.com>
Date: Thu, 12 Feb 2009 11:26:14 +0100
Subject: ui-tree: escape ascii-text properly in hexdump view

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
---
 ui-tree.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/ui-tree.c b/ui-tree.c
index a37a4e5..c6159ec 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -37,21 +37,26 @@ static void print_text_buffer(char *buf, unsigned long size)
 	html("</code></pre></td></tr></table>\n");
 }
 
+#define ROWLEN 32
+
 static void print_binary_buffer(char *buf, unsigned long size)
 {
 	unsigned long ofs, idx;
+	static char ascii[ROWLEN + 1];
 
 	html("<table summary='blob content' class='bin-blob'>\n");
 	html("<tr><th>ofs</th><th>hex dump</th><th>ascii</th></tr>");
-	for (ofs = 0; ofs < size; ofs += 32, buf += 32) {
+	for (ofs = 0; ofs < size; ofs += ROWLEN, buf += ROWLEN) {
 		htmlf("<tr><td class='right'>%04x</td><td class='hex'>", ofs);
-		for (idx = 0; idx < 32 && ofs + idx < size; idx++)
+		for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
 			htmlf("%*s%02x",
 			      idx == 16 ? 4 : 1, "",
 			      buf[idx] & 0xff);
 		html(" </td><td class='hex'>");
-		for (idx = 0; idx < 32 && ofs + idx < size; idx++)
-			htmlf("%c", isgraph(buf[idx]) ? buf[idx] : '.');
+		for (idx = 0; idx < ROWLEN && ofs + idx < size; idx++)
+			ascii[idx] = isgraph(buf[idx]) ? buf[idx] : '.';
+		ascii[idx] = '\0';
+		html_txt(ascii);
 		html("</td></tr>\n");
 	}
 	html("</table>\n");
-- 
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