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Use the cloning device if that is available

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This commit is contained in:
christos 2004-12-01 23:49:27 +00:00
parent 9ab78e153b
commit f63af1b624
1 changed files with 17 additions and 2 deletions
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19
dist/ipf/ipsend/sbpf.c vendored
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@ -1,4 +1,4 @@
/* $NetBSD: sbpf.c,v 1.4 2004/03/28 09:00:56 martti Exp $ */
/* $NetBSD: sbpf.c,v 1.5 2004/12/01 23:49:27 christos Exp $ */
/*
* (C)opyright 1995-1998 Darren Reed. (from tcplog)
@ -38,6 +38,7 @@
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <paths.h>
#include <ctype.h>
#include <signal.h>
#include <errno.h>
@ -63,8 +64,21 @@ int tout;
struct bpf_version bv;
struct timeval to;
struct ifreq ifr;
#ifndef _PATH_BPF
const char *bpfname = _PATH_BPF;
int fd;
if ((fd = open(bpfname, O_RDWR)) < 0)
{
fprintf(stderr, "no bpf devices available (%s)\n",
strerror(errno));
return -1;
}
#else
int fd = 0;
char bpfname[16];
int fd = 0, i;
int i;
for (i = 0; i < 16; i++)
{
@ -77,6 +91,7 @@ int tout;
fprintf(stderr, "no bpf devices available as /dev/bpfxx\n");
return -1;
}
#endif
if (ioctl(fd, BIOCVERSION, (caddr_t)&bv) < 0)
{