added some consistency checking for id table

diff --git a/lib/modules/swfrender.c b/lib/modules/swfrender.c
index 994ac29..64dc696 100644 (file)
--- a/lib/modules/swfrender.c
+++ b/lib/modules/swfrender.c
@@ -1012,7 +1012,10 @@ static void textcallback(void*self, int*chars, int*xpos, int nr, int fontid, int
     textcallbackblock_t * info = (textcallbackblock_t*)self;
     font_t*font = 0;
     int t;
-    if(!info->idtable[fontid].obj.font) {
+    if(info->idtable[fontid].type != font_type) {
+       fprintf(stderr, "ID %d is not a font\n", fontid);
+       return;
+    } else if(!info->idtable[fontid].obj.font) {
        fprintf(stderr, "Font %d unknown\n", fontid);
        return;
     } else {