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Don't test for conflicting combinations of PPP_FILTER/BPFILTER here.

Browse Source 
Testing in if_ppp.c is good enough.

Added comments about bogus #includes and #defines.

Removed unused #includes.

Don't depend on gcc's misfeature of rewriting short args in old-style
function definitions to match wrong prototypes.  I just changed the
function definition to match the prototype, since this is easy to
verify automatically (it causes no changes in the object code), but
it breaks K&R1 support and doesn't fix the pessimal type.
This commit is contained in:
Bruce Evans 1997-11-18 14:08:51 +00:00
parent 6418d75452
commit 42d263adde
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=31266
1 changed files with 9 additions and 29 deletions
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38
sys/net/ppp_tty.c
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@ -70,23 +70,14 @@
* Paul Mackerras (paulus@cs.anu.edu.au).
*/
/* $Id: ppp_tty.c,v 1.26 1997/10/18 00:56:23 peter Exp $ */
/* $Id: ppp_tty.c,v 1.27 1997/10/18 01:20:28 peter Exp $ */
#include "ppp.h"
#if NPPP > 0
#include "opt_ppp.h"
#define VJC
#define PPP_COMPRESS
#ifdef PPP_FILTER
#include "bpfilter.h"
#if NBPFILTER == 0
#error "PPP_FILTER requires bpf"
#endif
#endif
#include "opt_ppp.h" /* XXX for ppp_defs.h */
#define VJC /* XXX for ppp_defs.h */
#include <sys/param.h>
#include <sys/systm.h>
@ -96,11 +87,14 @@
#include <sys/socket.h>
#include <sys/fcntl.h>
#include <sys/tty.h>
#include <sys/kernel.h>
#include <sys/conf.h>
#undef KERNEL /* so that vnode.h does not try to include vnode_if.h */
/*
* XXX stop <sys/vnode.h> from including <vnode_if.h>. <vnode_if.h> doesn't
* exist if we are an LKM.
*/
#undef KERNEL
# include <sys/vnode.h>
#define KERNEL
@ -108,20 +102,9 @@
#include <i386/isa/intr_machdep.h>
#endif
#include <net/if.h>
#include <net/if_types.h>
#ifdef VJC
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <net/slcompress.h>
#endif
#ifdef PPP_FILTER
#include <net/bpf.h>
#endif
#include <net/ppp_defs.h>
#include <net/if_ppp.h>
#include <net/if_pppvar.h>
@ -580,10 +563,7 @@ static u_short fcstab[256] = {
* Calculate a new FCS given the current FCS and the new data.
*/
static u_short
pppfcs(fcs, cp, len)
register u_short fcs;
register u_char *cp;
register int len;
pppfcs(u_short fcs, u_char *cp, int len)
{
while (len--)
fcs = PPP_FCS(fcs, *cp++);