diff options
Diffstat (limited to 'lib/zebra.h')
| -rw-r--r-- | lib/zebra.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/lib/zebra.h b/lib/zebra.h index ed3024db..7ba01d56 100644 --- a/lib/zebra.h +++ b/lib/zebra.h @@ -207,14 +207,29 @@ typedef int socklen_t; #define IN6_ARE_ADDR_EQUAL IN6_IS_ADDR_EQUAL -/* BSD/OS 4.0 has lost belows defines, it should appear at - /usr/include/sys/socket.h. */ -#define CMSG_ALIGN(n) (((n) + 3) & ~3) -#define CMSG_SPACE(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(l)) -#define CMSG_LEN(l) (CMSG_ALIGN(sizeof(struct cmsghdr)) + (l)) - #endif /* BSDI_NRL */ +/* + * RFC 2553-bis defines not available on some systems. + */ +#ifndef _CMSG_DATA_ALIGN +#define _CMSG_DATA_ALIGN(n) (((n) + 3) & ~3) +#endif /* _CMSG_DATA_ALIGN */ + +#ifndef _CMSG_HDR_ALIGN +#define _CMSG_HDR_ALIGN(n) (((n) + 3) & ~3) +#endif /* _CMSG_HDR_ALIGN */ + +#ifndef CMSG_SPACE +#define CMSG_SPACE(l) (_CMSG_DATA_ALIGN(sizeof(struct cmsghdr)) + \ + _CMSG_HDR_ALIGN(l)) +#endif /* CMSG_SPACE */ + + +#ifndef CMSG_LEN +#define CMSG_LEN(l) (_CMSG_DATA_ALIGN(sizeof(struct cmsghdr)) + (l)) +#endif /* CMSG_LEN */ + #if !defined(__GNUC__) || __GNUC__ < 2 || __GNUC_MINOR__ < 5 #define __attribute__(x) #endif /* !__GNUC__ */ |