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Replaced a memory comparison in the PCap handling code with an equivalent integer comparison.

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OBattler
2017-01-05 01:35:16 +01:00
parent e67ced4d9f
commit 30b2431b3a
1 changed files with 10 additions and 1 deletions
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11
src/ne2000.c
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@@ -1515,6 +1515,8 @@ void ne2000_poller(void *p)
struct queuepacket *qp;
const unsigned char *data;
struct pcap_pkthdr h;
uint32_t mac_cmp32[2];
uint16_t mac_cmp16[2];
int res;
@@ -1538,7 +1540,14 @@ if(net_is_pcap && net_pcap!=NULL)
{
data=_pcap_next(net_pcap,&h);
if(data==0x0){goto WTF;}
if((memcmp(data+6,maclocal,6))==0)
/* Received. */
mac_cmp32[0] = *(uint32_t *) (data+6);
mac_cmp16[0] = *(uint16_t *) (data+10);
/* Local. */
mac_cmp32[1] = *(uint32_t *) (maclocal);
mac_cmp16[1] = *(uint16_t *) (maclocal+4);
// if((memcmp(data+6,maclocal,6))==0)
if ((mac_cmp32[0] == mac_cmp32[1]) && (mac_cmp16[0] == mac_cmp16[1]))
ne2000_log("ne2000 we just saw ourselves\n");
else {
if((ne2000->DCR.loop == 0) || (ne2000->TCR.loop_cntl != 0))