Date: Sat, 21 Feb 1998 03:07:29 -0500 From: "Alfred Perlstein" <perlsta@cs.sunyit.edu> To: <current@FreeBSD.ORG> Subject: weirdness in the header files. Message-ID: <015d01bd3e9f$c40c3b20$0600a8c0@win95.local.sunyit.edu>
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There seems to be some breakage in the header files, specifically trying
to compile trafshow i get this:
# make
>> Checksum OK for trafshow-2.0.tgz.
===> Extracting for trafshow-2.0
===> Patching for trafshow-2.0
===> Applying FreeBSD patches for trafshow-2.0
===> Configuring for trafshow-2.0
===> Building for trafshow-2.0
cc -O2 -I../include -DETHER_SERVICE -c addrtoname.c
cc -O2 -I../include -DETHER_SERVICE -c bpf.c
cc -O2 -I../include -DETHER_SERVICE -c bpf_dump.c
cc -O2 -I../include -DETHER_SERVICE -c bpf_filter.c
cc -O2 -I../include -DETHER_SERVICE -c bpf_image.c
cc -O2 -I../include -DETHER_SERVICE -c etherent.c
cc -O2 -I../include -DETHER_SERVICE -c gencode.c
cc -O2 -I../include -DETHER_SERVICE -c inet.c
cc -O2 -I../include -DETHER_SERVICE -c interfaces.c
In file included from interfaces.c:26:
/usr/include/net/if_slvar.h:69: field `sc_comp' has incomplete type
*** Error code 1
Stop.
*** Error code 1
Stop.
*** Error code 1
Stop.
*** Error code 1
Stop.
*** Error code 1
Stop.
#
ok, so i do a bit of looking around (like i'm supposed to i guess) and find
out that all i have to do is add <net/slcompress.h> to the list of includes.
after doing that:
cc -O2 -I../include -DETHER_SERVICE -c interfaces.c
In file included from interfaces.c:26:
/usr/include/net/slcompress.h:124: `MLEN' undeclared here (not in a
function)
/usr/include/net/slcompress.h:125: field `csu_ip' has incomplete type
so i'm like... "hmmmmm, ok.." then i go into slcompress.h and find out this
wierdness:
#define MAX_HDR MLEN /* XXX 4bsd-ism: should really be 128 */
then later on:
struct cstate {
struct cstate *cs_next; /* next most recently used cstate (xmit
only) */
u_int16_t cs_hlen; /* size of hdr (receive only) */
u_char cs_id; /* connection # associated with this state
*/
u_char cs_filler;
union {
char csu_hdr[MAX_HDR];
struct ip csu_ip; /* ip/tcp hdr from most recent
packet */
} slcs_u;
};
what is going on here?
also as far as the second error after including <net/slcompress.h>:
/usr/include/net/slcompress.h:125: field `csu_ip' has incomplete type
what's with that? i couldn't find a struct ip.
-Alfred
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