Messages in this thread | | | From | Bernd Eckenfels <> | Subject | Re: ioctl SIOCGIFADDR bug | Date | Fri, 06 Aug 1999 03:09:42 +0200 |
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In article <199908052031.QAA29714@smtp3.mindspring.com> you wrote: > struct ifreq ifr; > inet_sock = socket(AF_INET, SOCK_DGRAM, 0); > strcpy(ifr.ifr_name, "eth0"); > if (ioctl(inet_sock, SIOCGIFADDR, &ifr) < 0) > perror("zzz: ioctl");
You need to set the address family before you read smething.
Thats why ifconfig does not suffer from it: strcpy(ifr.ifr_name, ifname); ifr.ifr_addr.sa_family = AF_INET; if (ioctl(fd, SIOCGIFADDR, &ifr) == 0) {
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