diff options
Diffstat (limited to 'lib/zebra.h')
| -rw-r--r-- | lib/zebra.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/zebra.h b/lib/zebra.h index 83da37c5..8c2dcaba 100644 --- a/lib/zebra.h +++ b/lib/zebra.h @@ -215,6 +215,23 @@ typedef int socklen_t; #endif /* BSDI_NRL */ +#ifdef HAVE_BROKEN_CMSG_FIRSTHDR +/* This bug is present in Solaris 8 and pre-patch Solaris 9 <sys/socket.h>; + please refer to http://bugzilla.quagga.net/show_bug.cgi?id=142 */ + +/* Check that msg_controllen is large enough. */ +#define ZCMSG_FIRSTHDR(mhdr) \ + (((size_t)((mhdr)->msg_controllen) >= sizeof(struct cmsghdr)) ? \ + CMSG_FIRSTHDR(mhdr) : (struct cmsghdr *)NULL) + +#warning "CMSG_FIRSTHDR is broken on this platform, using a workaround" + +#else /* HAVE_BROKEN_CMSG_FIRSTHDR */ +#define ZCMSG_FIRSTHDR(M) CMSG_FIRSTHDR(M) +#endif /* HAVE_BROKEN_CMSG_FIRSTHDR */ + + + /* * RFC 3542 defines several macros for using struct cmsghdr. * Here, we define those that are not present |