Prevent infinite recursion with nested table and textarea

Bug-Debian: https://github.com/tats/w3m/issues/20
2016-11-12 22:19:12 +09:00
parent fcaef5dfc8
commit f393faf559
1 changed files with 13 additions and 0 deletions
@@ -1632,6 +1632,19 @@ renderCoTable(struct table *tbl, int maxlimit)
    struct table *t;
    int i, col, row;
    int indent, maxwidth;
+    static struct table *tbl_prev = NULL;
+    static int cotbl_count;
+#define MAX_COTABLE 100
+
+    if (tbl == NULL)
+	return;
+    if (tbl != tbl_prev) {
+	tbl_prev = tbl;
+	cotbl_count = 0;
+    }
+    if (cotbl_count >= MAX_COTABLE)
+	return;	/* workaround to prevent infinite recursion */
+    cotbl_count++;

    for (i = 0; i < tbl->ntable; i++) {
 	t = tbl->tables[i].ptr;