--- format.c.old	2005-12-09 19:33:38.000000000 -0800
+++ format.c	2006-03-13 23:10:28.000000000 -0800
@@ -113,7 +113,7 @@
     case(AF_FORMAT_IMA_ADPCM): 
       i+=snprintf(&str[i],size-i,"IMA-ADPCM "); break;
     default:
-      printf("Unknown special\n");
+      i+=snprintf(&str[i],size-i,"unknown-format ");
     }
   }
   else{