/* vi: set sw=4 ts=4: */
/*
- * $Id: ping.c,v 1.46 2001/07/17 01:12:36 andersen Exp $
+ * $Id: ping.c,v 1.53 2003/01/12 06:08:33 andersen Exp $
* Mini ping implementation for busybox
*
* Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
}
/* simple version */
-#ifndef BB_FEATURE_FANCY_PING
+#ifndef CONFIG_FEATURE_FANCY_PING
static char *hostname = NULL;
-
static void noresp(int ign)
{
printf("No response from %s\n", hostname);
- exit(0);
+ exit(EXIT_FAILURE);
}
static void ping(const char *host)
return EXIT_SUCCESS;
}
-#else /* ! BB_FEATURE_FANCY_PING */
+#else /* ! CONFIG_FEATURE_FANCY_PING */
/* full(er) version */
-static char *hostname = NULL;
static struct sockaddr_in pingaddr;
static int pingsock = -1;
static int datalen; /* intentionally uninitialized to work around gcc bug */
-static long ntransmitted = 0, nreceived = 0, nrepeats = 0, pingcount = 0;
-static int myid = 0, options = 0;
-static unsigned long tmin = ULONG_MAX, tmax = 0, tsum = 0;
+static long ntransmitted, nreceived, nrepeats, pingcount;
+static int myid, options;
+static unsigned long tmin = ULONG_MAX, tmax, tsum;
static char rcvd_tbl[MAX_DUP_CHK / 8];
+struct hostent *hostent;
+
static void sendping(int);
static void pingstats(int);
static void unpack(char *, int, struct sockaddr_in *);
signal(SIGINT, SIG_IGN);
- printf("\n--- %s ping statistics ---\n", hostname);
+ printf("\n--- %s ping statistics ---\n", hostent->h_name);
printf("%ld packets transmitted, ", ntransmitted);
printf("%ld packets received, ", nreceived);
if (nrepeats)
static void ping(const char *host)
{
- struct hostent *h;
- char buf[MAXHOSTNAMELEN];
char packet[datalen + MAXIPLEN + MAXICMPLEN];
int sockopt;
memset(&pingaddr, 0, sizeof(struct sockaddr_in));
pingaddr.sin_family = AF_INET;
- h = xgethostbyname(host);
- if (h->h_addrtype != AF_INET)
+ hostent = xgethostbyname(host);
+ if (hostent->h_addrtype != AF_INET)
error_msg_and_die("unknown address type; only AF_INET is currently supported.");
- memcpy(&pingaddr.sin_addr, h->h_addr, sizeof(pingaddr.sin_addr));
- strncpy(buf, h->h_name, sizeof(buf) - 1);
- hostname = buf;
+ memcpy(&pingaddr.sin_addr, hostent->h_addr, sizeof(pingaddr.sin_addr));
/* enable broadcast pings */
sockopt = 1;
sizeof(sockopt));
printf("PING %s (%s): %d data bytes\n",
- hostname,
+ hostent->h_name,
inet_ntoa(*(struct in_addr *) &pingaddr.sin_addr.s_addr),
datalen);
ping(*argv);
return EXIT_SUCCESS;
}
-#endif /* ! BB_FEATURE_FANCY_PING */
+#endif /* ! CONFIG_FEATURE_FANCY_PING */
/*
* Copyright (c) 1989 The Regents of the University of California.