X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Fping.c;h=28b38db1407cc0f883f99ad5d0da7c51cc759f25;hb=0c236a09edf4491f1edb08b97503fce7b922fef5;hp=476c15cea20e1c4610864a94583a9d75944a0d47;hpb=bdfd0d78bc44e73d693510e70087857785b3b521;p=oweals%2Fbusybox.git

diff --git a/networking/ping.c b/networking/ping.c
index 476c15cea..28b38db14 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -1,6 +1,6 @@
 /* vi: set sw=4 ts=4: */
 /*
- * $Id: ping.c,v 1.47 2001/10/24 04:59:56 andersen Exp $
+ * $Id: ping.c,v 1.54 2003/03/19 09:12:38 mjn3 Exp $
  * Mini ping implementation for busybox
  *
  * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@@ -176,11 +176,10 @@ static int in_cksum(unsigned short *buf, int sz)
 /* simple version */
 #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)
@@ -209,7 +208,7 @@ static void ping(const char *host)
 			   (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in));
 
 	if (c < 0 || c != sizeof(packet))
-		perror_msg_and_die("sendto");
+		bb_perror_msg_and_die("sendto");
 
 	signal(SIGALRM, noresp);
 	alarm(5);					/* give the host 5000ms to respond */
@@ -222,7 +221,7 @@ static void ping(const char *host)
 						  (struct sockaddr *) &from, &fromlen)) < 0) {
 			if (errno == EINTR)
 				continue;
-			perror_msg("recvfrom");
+			bb_perror_msg("recvfrom");
 			continue;
 		}
 		if (c >= 76) {			/* ip + icmp */
@@ -242,23 +241,24 @@ extern int ping_main(int argc, char **argv)
 	argc--;
 	argv++;
 	if (argc < 1)
-		show_usage();
+		bb_show_usage();
 	ping(*argv);
 	return EXIT_SUCCESS;
 }
 
 #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 *);
@@ -271,7 +271,7 @@ static void pingstats(int junk)
 
 	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)
@@ -313,9 +313,9 @@ static void sendping(int junk)
 			   (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in));
 
 	if (i < 0)
-		perror_msg_and_die("sendto");
+		bb_perror_msg_and_die("sendto");
 	else if ((size_t)i != sizeof(packet))
-		error_msg_and_die("ping wrote %d chars; %d expected", i,
+		bb_error_msg_and_die("ping wrote %d chars; %d expected", i,
 			   (int)sizeof(packet));
 
 	signal(SIGALRM, sendping);
@@ -410,14 +410,12 @@ static void unpack(char *buf, int sz, struct sockaddr_in *from)
 		printf("\n");
 	} else 
 		if (icmppkt->icmp_type != ICMP_ECHO)
-			error_msg("Warning: Got ICMP %d (%s)",
+			bb_error_msg("Warning: Got ICMP %d (%s)",
 					icmppkt->icmp_type, icmp_type_name (icmppkt->icmp_type));
 }
 
 static void ping(const char *host)
 {
-	struct hostent *h;
-	char buf[MAXHOSTNAMELEN];
 	char packet[datalen + MAXIPLEN + MAXICMPLEN];
 	int sockopt;
 
@@ -426,13 +424,11 @@ static void ping(const char *host)
 	memset(&pingaddr, 0, sizeof(struct sockaddr_in));
 
 	pingaddr.sin_family = AF_INET;
-	h = xgethostbyname(host);
-	if (h->h_addrtype != AF_INET)
-		error_msg_and_die("unknown address type; only AF_INET is currently supported.");
+	hostent = xgethostbyname(host);
+	if (hostent->h_addrtype != AF_INET)
+		bb_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;
@@ -445,7 +441,7 @@ static void ping(const char *host)
 			   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);
 
@@ -464,7 +460,7 @@ static void ping(const char *host)
 						  (struct sockaddr *) &from, &fromlen)) < 0) {
 			if (errno == EINTR)
 				continue;
-			perror_msg("recvfrom");
+			bb_perror_msg("recvfrom");
 			continue;
 		}
 		unpack(packet, c, &from);
@@ -493,24 +489,24 @@ extern int ping_main(int argc, char **argv)
 			break;
 		case 'c':
 			if (--argc <= 0)
-			        show_usage();
+			        bb_show_usage();
 			argv++;
 			pingcount = atoi(*argv);
 			break;
 		case 's':
 			if (--argc <= 0)
-			        show_usage();
+			        bb_show_usage();
 			argv++;
 			datalen = atoi(*argv);
 			break;
 		default:
-			show_usage();
+			bb_show_usage();
 		}
 		argc--;
 		argv++;
 	}
 	if (argc < 1)
-		show_usage();
+		bb_show_usage();
 
 	myid = getpid() & 0xFFFF;
 	ping(*argv);