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libc: switch to NetBSD getifaddrs(3)

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Change-Id: I698f7cef84506ebd7beed6974a232eb75ab853c3
This commit is contained in:
David van Moolenbroek 2016-06-17 14:11:47 +00:00
parent 14d921278d
commit a1c660069f
1 changed files with 0 additions and 81 deletions
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81
minix/lib/libc/net/getifaddrs.c
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@ -1,81 +0,0 @@
#include <namespace.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <net/if.h>
#include <net/gen/in.h>
#include <net/gen/ip_io.h>
#include <net/gen/tcp.h>
#include <net/gen/udp.h>
#include <netinet/in.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <ifaddrs.h>
#if defined(__weak_alias)
__weak_alias(getifaddrs,_getifaddrs)
__weak_alias(freeifaddrs,_freeifaddrs)
#endif
int
getifaddrs(struct ifaddrs **ifap)
{
static int fd = -1;
nwio_ipconf_t ipconf;
int flags;
static struct ifaddrs ifa;
static struct sockaddr_in addr, netmask;
memset(&ifa, 0, sizeof(ifa));
memset(&addr, 0, sizeof(addr));
memset(&netmask, 0, sizeof(netmask));
ifa.ifa_next = NULL;
ifa.ifa_name = __UNCONST("ip");
addr.sin_family = netmask.sin_family = AF_INET;
ifa.ifa_addr = (struct sockaddr *) &addr;
ifa.ifa_netmask = (struct sockaddr *) &netmask;
addr.sin_addr.s_addr = 0;
netmask.sin_addr.s_addr = 0;
*ifap = NULL;
if(fd < 0) {
char *ipd;
if(!(ipd = getenv("IP_DEVICE")))
ipd = __UNCONST("/dev/ip");
if((fd = open(ipd, O_RDWR)) < 0)
return -1;
}
/* Code taken from commands/simple/ifconfig.c. */
if((flags = fcntl(fd, F_GETFL)) < 0 ||
fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0 ||
ioctl(fd, NWIOGIPCONF, &ipconf))
return 0; /* Report interface as down. */
addr.sin_addr.s_addr = ipconf.nwic_ipaddr;
netmask.sin_addr.s_addr = ipconf.nwic_netmask;
if(addr.sin_addr.s_addr) ifa.ifa_flags = IFF_UP;
/* Just report on this interface. */
*ifap = &ifa;
return 0;
}
void
freeifaddrs(struct ifaddrs *ifp)
{
/* getifaddrs points to static data, so no need to free. */
;
}