diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/ping.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/networking/ping.c b/networking/ping.c index 2b6e7f5..5cadac3 100644 --- a/networking/ping.c +++ b/networking/ping.c @@ -1,5 +1,5 @@ /* - * $Id: ping.c,v 1.7 2000/01/26 20:06:48 erik Exp $ + * $Id: ping.c,v 1.8 2000/01/29 05:52:40 erik Exp $ * Mini ping implementation for busybox * * Copyright (C) 1999 by Randolph Chung <tausq@debian.org> @@ -312,18 +312,14 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from) static void ping(char *host) { - struct protoent *proto; + struct protoent *proto=NULL; struct hostent *h; char buf[MAXHOSTNAMELEN]; char packet[DEFDATALEN + MAXIPLEN + MAXICMPLEN]; int sockopt; - if (!(proto = getprotobyname("icmp"))) { - /* getprotobyname failed, so just silently force - * proto->p_proto to have the correct value for "icmp" */ - proto->p_proto = 1; - } - if ((pingsock = socket(AF_INET, SOCK_RAW, proto->p_proto)) < 0) { /* 1 == ICMP */ + proto = getprotobyname("icmp"); + if ((pingsock = socket(AF_INET, SOCK_RAW, (proto)? proto->p_proto : 1 )) < 0) { /* 1 == ICMP */ if (errno == EPERM) { fprintf(stderr, "ping: permission denied. (are you root?)\n"); } else { |