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fix strict aliasing errors

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This commit is contained in:
Andreas Schultz
2016-02-04 14:59:20 +01:00
parent 88aa3de48b
commit 7e0b977fcd
2 changed files with 7 additions and 3 deletions
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6
src/common/capwap_network.c
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@ -307,8 +307,9 @@ int capwap_recvfrom(int sock, void* buffer, int* size, union sockaddr_capwap* fr
for (cmsg = CMSG_FIRSTHDR(&msgh); cmsg != NULL; cmsg = CMSG_NXTHDR(&msgh, cmsg)) {
#ifdef IP_PKTINFO
if ((cmsg->cmsg_level == SOL_IP) && (cmsg->cmsg_type == IP_PKTINFO)) {
struct in_pktinfo *pi = (struct in_pktinfo *)CMSG_DATA(cmsg);
toaddr->sin.sin_family = AF_INET;
memcpy(&toaddr->sin.sin_addr, &((struct in_pktinfo*)CMSG_DATA(cmsg))->ipi_addr, sizeof(struct in_addr));
memcpy(&toaddr->sin.sin_addr, &pi->ipi_addr, sizeof(struct in_addr));
break;
}
#elif defined IP_RECVDSTADDR
@ -319,8 +320,9 @@ int capwap_recvfrom(int sock, void* buffer, int* size, union sockaddr_capwap* fr
}
#endif
if ((cmsg->cmsg_level == IPPROTO_IPV6) && ((cmsg->cmsg_type == IPV6_PKTINFO) || (cmsg->cmsg_type == IPV6_RECVPKTINFO))) {
struct in6_pktinfo *pi6 = (struct in6_pktinfo*) CMSG_DATA(cmsg);
toaddr->sin6.sin6_family = AF_INET6;
memcpy(&toaddr->sin6.sin6_addr, &((struct in6_pktinfo*)CMSG_DATA(cmsg))->ipi6_addr, sizeof(struct in6_addr));
memcpy(&toaddr->sin6.sin6_addr, &pi6->ipi6_addr, sizeof(struct in6_addr));
/* Check if IPv4 is mapped into IPv6 */
if (fromaddr->ss.ss_family == AF_INET) {