2004-08-26 Greg Troxel <gdt@fnord.ir.bbn.com>
* ospf_packet.c (ospf_recv_packet): adjust size declaration of
buffer used to get interface index so that it compiles on other
than Linux and includes the required alignment space. Probably
this was only working on sparc/sparc64 because most of sockaddr_dl
was not being written.
diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c
index ce82ee2..8bc4966 100644
--- a/ospfd/ospf_packet.c
+++ b/ospfd/ospf_packet.c
@@ -1881,7 +1881,12 @@
unsigned int ifindex = 0;
struct iovec iov;
struct cmsghdr *cmsg;
- char buff [sizeof (*cmsg) + SOPT_SIZE_CMSG_PKTINFO_IPV4()];
+#if defined(CMSG_SPACE)
+ /* Header and data both require alignment. */
+ char buff [CMSG_SPACE(SIZE_CMSG_IFINDEX_IPV4())];
+#else
+ char buff [sizeof (*cmsg) + SOPT_SIZE_CMSG_IFINDEX_IPV4()];
+#endif
struct msghdr msgh;
msgh.msg_name = NULL;