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Added display of warning produced by pcap_findalldevs() where a warning message is provided when no devices are available (OSX). - Sergey Oboguev

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This commit is contained in:
Mark Pizzolato 2012-07-10 13:32:41 -07:00
parent fd1cd463f9
commit 938450bbf5
1 changed files with 6 additions and 0 deletions
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6
sim_ether.c
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@ -3159,6 +3159,7 @@ pcap_if_t* dev;
char errbuf[PCAP_ERRBUF_SIZE]; char errbuf[PCAP_ERRBUF_SIZE];
memset(list, 0, max*sizeof(*list)); memset(list, 0, max*sizeof(*list));
errbuf[0] = '\0';
/* retrieve the device list */ /* retrieve the device list */
if (pcap_findalldevs(&alldevs, errbuf) == -1) { if (pcap_findalldevs(&alldevs, errbuf) == -1) {
char* msg = "Eth: error in pcap_findalldevs: %s\r\n"; char* msg = "Eth: error in pcap_findalldevs: %s\r\n";
@ -3166,6 +3167,11 @@ if (pcap_findalldevs(&alldevs, errbuf) == -1) {
if (sim_log) fprintf (sim_log, msg, errbuf); if (sim_log) fprintf (sim_log, msg, errbuf);
} }
else { else {
if (errbuf[0]) {
char* msg = "Eth: pcap_findalldevs warning: %s\r\n";
printf (msg, errbuf);
if (sim_log) fprintf (sim_log, msg, errbuf);
}
/* copy device list into the passed structure */ /* copy device list into the passed structure */
for (i=0, dev=alldevs; dev && (i < max); dev=dev->next, ++i) { for (i=0, dev=alldevs; dev && (i < max); dev=dev->next, ++i) {
if ((dev->flags & PCAP_IF_LOOPBACK) || (!strcmp("any", dev->name))) continue; if ((dev->flags & PCAP_IF_LOOPBACK) || (!strcmp("any", dev->name))) continue;