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set *errmsg to errbuf, preventing coredump if no interfaces are up

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This commit is contained in:
lukem 2001-02-05 02:37:34 +00:00
parent 23bb393e6b
commit 9b7718e15b
1 changed files with 5 additions and 2 deletions
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7
usr.sbin/rbootd/bpf.c
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@ -1,4 +1,4 @@
/* $NetBSD: bpf.c,v 1.10 2000/04/13 08:52:44 itojun Exp $ */
/* $NetBSD: bpf.c,v 1.11 2001/02/05 02:37:34 lukem Exp $ */
/*
* Copyright (c) 1988, 1992 The University of Utah and the Center
@ -51,7 +51,7 @@
#if 0
static char sccsid[] = "@(#)bpf.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: bpf.c,v 1.10 2000/04/13 08:52:44 itojun Exp $");
__RCSID("$NetBSD: bpf.c,v 1.11 2001/02/05 02:37:34 lukem Exp $");
#endif
#endif /* not lint */
@ -233,6 +233,9 @@ BpfGetIntfName(errmsg)
static char device[IFNAMSIZ + 1];
static char errbuf[128] = "No Error!";
if (errmsg != NULL)
*errmsg = errbuf;
if (getifaddrs(&ifap) != 0) {
(void) strcpy(errbuf, "bpf: getifaddrs: %m");
return(NULL);