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Put some uip6 temporaries on the stack 

Some "temporary" variables were declared with static storage duration
for no good reason.

Replaced them with local stack variables wherever they were used.

There are still some variables that are unecesarily given static
duration which I have left alone.
This commit is contained in:
Billy Kozak 2015-07-28 09:24:40 -06:00
parent 0313a429e2
commit 72b4d38ab3
1 changed files with 8 additions and 7 deletions
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15
core/net/ipv6/uip6.c
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@ -207,11 +207,6 @@ uint8_t uip_flags;
/* uip_conn always points to the current connection (set to NULL for UDP). */
struct uip_conn *uip_conn;
/* Temporary variables. */
#if (UIP_TCP || UIP_UDP)
static uint8_t c;
#endif
#if UIP_ACTIVE_OPEN || UIP_UDP
/* Keeps track of the last port used for a new connection. */
static uint16_t lastport;
@ -256,8 +251,6 @@ static uint8_t iss[4];
/* Temporary variables. */
uint8_t uip_acc32[4];
static uint8_t opt;
static uint16_t tmp16;
#endif /* UIP_TCP */
/** @} */
@ -432,6 +425,7 @@ uip_udpchksum(void)
void
uip_init(void)
{
int c;
uip_ds6_init();
uip_icmp6_init();
@ -466,6 +460,7 @@ struct uip_conn *
uip_connect(const uip_ipaddr_t *ripaddr, uint16_t rport)
{
register struct uip_conn *conn, *cconn;
int c;
/* Find an unused local port. */
again:
@ -560,6 +555,7 @@ remove_ext_hdr(void)
struct uip_udp_conn *
uip_udp_new(const uip_ipaddr_t *ripaddr, uint16_t rport)
{
int c;
register struct uip_udp_conn *conn;
/* Find an unused local port. */
@ -605,6 +601,7 @@ uip_udp_new(const uip_ipaddr_t *ripaddr, uint16_t rport)
void
uip_unlisten(uint16_t port)
{
int c;
for(c = 0; c < UIP_LISTENPORTS; ++c) {
if(uip_listenports[c] == port) {
uip_listenports[c] = 0;
@ -616,6 +613,7 @@ uip_unlisten(uint16_t port)
void
uip_listen(uint16_t port)
{
int c;
for(c = 0; c < UIP_LISTENPORTS; ++c) {
if(uip_listenports[c] == 0) {
uip_listenports[c] = port;
@ -941,6 +939,9 @@ void
uip_process(uint8_t flag)
{
#if UIP_TCP
int c;
uint16_t tmp16;
uint8_t opt;
register struct uip_conn *uip_connr = uip_conn;
#endif /* UIP_TCP */
#if UIP_UDP