From 9cd439d8c0058ba96db271d1a316e32fadbf1b21 Mon Sep 17 00:00:00 2001
From: Billy Kozak <bkozak@scanimetrics.com>
Date: Wed, 12 Aug 2015 09:51:26 -0600
Subject: [PATCH] changed tcpip static temporaries to stack vars

A number of local variables in tcpip.c were declared with static
storage for no good reason (they do not ever preserve state between
function calls).

This patch removes static declaration from these variables.
---
 core/net/ip/tcpip.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/core/net/ip/tcpip.c b/core/net/ip/tcpip.c
index 1c75d1bc9..b827bc9ce 100644
--- a/core/net/ip/tcpip.c
+++ b/core/net/ip/tcpip.c
@@ -249,7 +249,7 @@ tcp_connect(const uip_ipaddr_t *ripaddr, uint16_t port, void *appstate)
 void
 tcp_unlisten(uint16_t port)
 {
-  static unsigned char i;
+  unsigned char i;
   struct listenport *l;
 
   l = s.listenports;
@@ -267,7 +267,7 @@ tcp_unlisten(uint16_t port)
 void
 tcp_listen(uint16_t port)
 {
-  static unsigned char i;
+  unsigned char i;
   struct listenport *l;
 
   l = s.listenports;
@@ -371,7 +371,7 @@ static void
 eventhandler(process_event_t ev, process_data_t data)
 {
 #if UIP_TCP
-  static unsigned char i;
+  unsigned char i;
   register struct listenport *l;
 #endif /*UIP_TCP*/
   struct process *p;
@@ -764,9 +764,9 @@ tcpip_uipcall(void)
 
 #if UIP_TCP
  {
-   static unsigned char i;
+   unsigned char i;
    struct listenport *l;
-   
+
    /* If this is a connection request for a listening port, we must
       mark the connection with the right process ID. */
    if(uip_connected()) {
@@ -795,11 +795,11 @@ tcpip_uipcall(void)
 PROCESS_THREAD(tcpip_process, ev, data)
 {
   PROCESS_BEGIN();
-  
+
 #if UIP_TCP
  {
-   static unsigned char i;
-   
+   unsigned char i;
+
    for(i = 0; i < UIP_LISTENPORTS; ++i) {
      s.listenports[i].port = 0;
    }