Daniele Lacamera / PicoTCP-Experimental_CDC_ECM_Branch

Free (GPLv2) TCP/IP stack developed by TASS Belgium

Fork of PicoTCP by Daniele Lacamera

Diff: include/pico_queue.h

Revision:
24:8bff2b51ea3b
Parent:
12:0c6fa180a6ec
Child:
25:d63125298eb3
--- a/include/pico_queue.h	Mon Jun 10 08:01:01 2013 +0000
+++ b/include/pico_queue.h	Tue Jun 11 21:10:23 2013 +0000
@@ -9,6 +9,8 @@
 #include "pico_config.h"
 #include "pico_frame.h"
 
+#define Q_LIMIT 2048
+
 #ifndef NULL
 #define NULL ((void *)0)
 #endif
@@ -60,7 +62,10 @@
 {
   if ((q->max_frames) && (q->max_frames <= q->frames))
     return -1;
-
+    
+  if ((Q_LIMIT) && (Q_LIMIT < p->buffer_len + q->size))
+    return -1;
+    
   if ((q->max_size) && (q->max_size < (p->buffer_len + q->size)))
     return -1;