* Re-add the cx->torender trick to avoid crashing on filters. This really

needs some architecture thinking.

src/figlet.c

@@ -59,7 +59,10 @@ static int feed_figlet(context_t *cx, uint32_t ch, uint32_t attr)
 
 static int flush_figlet(context_t *cx)
 {
-    return cucul_flush_figlet(cx->cv);
+    int ret = cucul_flush_figlet(cx->cv);
+    cx->torender = cx->cv;
+    cx->cv = cucul_create_canvas(0, 0);
+    return ret;
 }
 
 static int end_figlet(context_t *cx)

src/render.c

@@ -156,11 +156,12 @@ static int render_flush(context_t *cx)
     filter_do(cx);
 
     /* Output line */
-    buffer = cucul_export_memory(cx->cv, cx->export, &len);
+    buffer = cucul_export_memory(cx->torender, cx->export, &len);
     if(!buffer)
         return -1;
     fwrite(buffer, len, 1, stdout);
     free(buffer);
+    cucul_free_canvas(cx->torender);
 
     return 0;
 }