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Fix memcpy of host address in netlib_gethostaddr(). From Brennan Ashton

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This commit is contained in:
Gregory Nutt 2014-10-17 16:53:15 -06:00
parent 48a185f691
commit b5cb66927d
1 changed files with 9 additions and 3 deletions
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12
netutils/netlib/netlib_gethostaddr.c
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@ -71,7 +71,7 @@
* ipaddr The location to return the IP address
*
* Return:
* 0 on sucess; -1 on failure
* 0 on success; -1 on failure
*
****************************************************************************/
@ -93,14 +93,20 @@ int netlib_gethostaddr(const char *ifname, struct in_addr *addr)
if (!ret)
{
#ifdef CONFIG_NET_IPv6
memcpy(addr, &req.ifr_addr, sizeof(struct in6_addr));
FAR struct sockaddr_in6 *req_addr;
req_addr = (FAR struct sockaddr_in6 *)&req.ifr_addr;
memcpy(addr, &req_addr->sin6_addr, sizeof(struct in6_addr));
#else
memcpy(addr, &req.ifr_addr, sizeof(struct in_addr));
FAR struct sockaddr_in *req_addr;
req_addr = (struct sockaddr_in*)&req.ifr_addr;
memcpy(addr, &req_addr->sin_addr, sizeof(struct in_addr));
#endif
}
close(sockfd);
}
}
return ret;
}