ui-tree: escape ascii-text properly in hexdump view

Signed-off-by: Lars Hjemli <hjemli@gmail.com>

diff --git a/ui-tree.c b/ui-tree.c
index a37a4e59c56f1bfcbe057bb7dde74abfe272e146..c6159ec3df97e059e1cd894202b4173172e9c9c1 100644 (file)
--- 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");