4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <fcntl.h>
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#include <net/if.h>
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#include <ifaddrs.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <net/gen/in.h>
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#include <net/gen/ip_io.h>
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#include <net/gen/tcp.h>
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#include <net/gen/udp.h>
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int
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getifaddrs(struct ifaddrs **ifap)
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{
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static int fd = -1;
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nwio_ipconf_t ipconf;
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int flags;
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static struct ifaddrs ifa;
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static struct sockaddr_in addr, netmask;
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memset(&ifa, 0, sizeof(ifa));
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memset(&addr, 0, sizeof(addr));
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memset(&netmask, 0, sizeof(netmask));
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ifa.ifa_next = NULL;
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ifa.ifa_name = "ip";
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addr.sin_family = netmask.sin_family = AF_INET;
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ifa.ifa_addr = (struct sockaddr *) &addr;
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ifa.ifa_netmask = (struct sockaddr *) &netmask;
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addr.sin_addr.s_addr = 0;
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netmask.sin_addr.s_addr = 0;
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if(fd < 0) {
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char *ipd;
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if(!(ipd=getenv("IP_DEVICE")))
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ipd="/dev/ip";
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if((fd = open(ipd, O_RDWR)) < 0)
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return -1;
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}
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/* Code taken from commands/simple/ifconfig.c. */
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if((flags = fcntl(fd, F_GETFL)) < 0 ||
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fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0 ||
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ioctl(fd, NWIOGIPCONF, &ipconf))
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return 0; /* Report interface as down. */
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addr.sin_addr.s_addr = ipconf.nwic_ipaddr;
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netmask.sin_addr.s_addr = ipconf.nwic_netmask;
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if(addr.sin_addr.s_addr) ifa.ifa_flags = IFF_UP;
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/* Just report on this interface. */
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*ifap = &ifa;
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return 0;
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}
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void
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freeifaddrs(struct ifaddrs *ifp)
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{
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/* getifaddrs points to static data, so no need to free. */
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;
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}
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