gentoo-overlay/games-emulation/gngb/files/gngb-20060309-ovflfix.patch

--- src/serial.c.old	2010-10-28 14:40:23.000000000 +0200
+++ src/serial.c	2010-10-28 14:41:07.000000000 +0200
@@ -302,11 +302,11 @@
 /* Gbserial_read: Read a byte on the serial 
    This is a block function */
 Uint8 gbserial_read(void) {
-  Uint8 b;
+  Uint8 b[2];
 
   gbserial.ready2read=0;
-  if ((read(dest_socket,&b,2))<=0) return 0xFF;
-  return b;
+  if ((read(dest_socket,b,2))<=0) return 0xFF;
+  return b[0];
 }
 
 /* Gbserial_write: Write a byte on the serial