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/* $FreeBSD$ */
#include "ipf.h"
#include "kmem.h"
/*
* Given a pointer to an interface in the kernel, return a pointer to a
* string which is the interface name.
*/
char *getifname(ptr)
struct ifnet *ptr;
{
#if SOLARIS || defined(__hpux)
# if SOLARIS
# include <sys/mutex.h>
# include <sys/condvar.h>
# endif
# ifdef __hpux
# include "compat.h"
# endif
# include "../pfil/qif.h"
char *ifname;
qif_t qif;
if ((void *)ptr == (void *)-1)
return "!";
if (ptr == NULL)
return "-";
if (kmemcpy((char *)&qif, (u_long)ptr, sizeof(qif)) == -1)
return "X";
ifname = strdup(qif.qf_name);
if ((ifname != NULL) && (*ifname == '\0')) {
free(ifname);
return "!";
}
return ifname;
#else
# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
defined(__OpenBSD__) || \
(defined(__FreeBSD__) && (__FreeBSD_version >= 501113))
#else
char buf[32];
int len;
# endif
struct ifnet netif;
if ((void *)ptr == (void *)-1)
return "!";
if (ptr == NULL)
return "-";
if (kmemcpy((char *)&netif, (u_long)ptr, sizeof(netif)) == -1)
return "X";
# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
defined(__OpenBSD__) || defined(linux) || \
(defined(__FreeBSD__) && (__FreeBSD_version >= 501113))
return strdup(netif.if_xname);
# else
if (kstrncpy(buf, (u_long)netif.if_name, sizeof(buf)) == -1)
return "X";
if (netif.if_unit < 10)
len = 2;
else if (netif.if_unit < 1000)
len = 3;
else if (netif.if_unit < 10000)
len = 4;
else
len = 5;
buf[sizeof(buf) - len] = '\0';
sprintf(buf + strlen(buf), "%d", netif.if_unit % 10000);
return strdup(buf);
# endif
#endif
}
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