Add xgethostbyname and herror_msg* functions.

6 files changed, 15 insertions, 38 deletions

diff --git a/networking/hostname.c b/networking/hostname.c
index f4118ea..75e4d2e 100644
--- a/networking/hostname.c
+++ b/networking/hostname.c
@@ -1,6 +1,6 @@
 /* vi: set sw=4 ts=4: */
 /*
- * $Id: hostname.c,v 1.27 2001/05/16 14:21:09 kraai Exp $
+ * $Id: hostname.c,v 1.28 2001/05/16 15:40:48 kraai Exp $
  * Mini hostname implementation for busybox
  *
  * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@@ -117,11 +117,7 @@ int hostname_main(int argc, char **argv)
 			s = strchr(buf, '.');
 			puts(s ? s + 1 : "");
 		} else if (opt_ip) {
-			h = gethostbyname(buf);
-			if (!h) {
-				printf("Host not found\n");
-				exit(1);
-			}
+			h = xgethostbyname(buf);
 			puts(inet_ntoa(*(struct in_addr *) (h->h_addr)));
 		} else {
 			puts(buf);
diff --git a/networking/nc.c b/networking/nc.c
index b58bd6a..5335872 100644
--- a/networking/nc.c
+++ b/networking/nc.c
@@ -91,8 +91,7 @@ int nc_main(int argc, char **argv)
 		close(sfd);
 		sfd = tmpfd;
 	} else {
-		if ((hostinfo = gethostbyname(argv[optind])) == NULL)
-			error_msg_and_die("cannot resolve %s\n", argv[optind]);
+		hostinfo = xgethostbyname(argv[optind]);
 
 		address.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;
 		address.sin_port = htons(atoi(argv[optind+1]));
diff --git a/networking/ping.c b/networking/ping.c
index 8b82dca..0967999 100644
--- a/networking/ping.c
+++ b/networking/ping.c
@@ -1,6 +1,6 @@
 /* vi: set sw=4 ts=4: */
 /*
- * $Id: ping.c,v 1.40 2001/04/09 23:52:18 andersen Exp $
+ * $Id: ping.c,v 1.41 2001/05/16 15:40:48 kraai Exp $
  * Mini ping implementation for busybox
  *
  * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@@ -200,10 +200,7 @@ static void ping(const char *host)
 	memset(&pingaddr, 0, sizeof(struct sockaddr_in));
 
 	pingaddr.sin_family = AF_INET;
-	if (!(h = gethostbyname(host))) {
-		error_msg("unknown host %s", host);
-		exit(1);
-	}
+	h = xgethostbyname(host);
 	memcpy(&pingaddr.sin_addr, h->h_addr, sizeof(pingaddr.sin_addr));
 	hostname = h->h_name;
 
@@ -446,15 +443,9 @@ static void ping(const char *host)
 	memset(&pingaddr, 0, sizeof(struct sockaddr_in));
 
 	pingaddr.sin_family = AF_INET;
-	if (!(h = gethostbyname(host))) {
-		error_msg("unknown host %s", host);
-		exit(1);
-	}
-
-	if (h->h_addrtype != AF_INET) {
-		error_msg("unknown address type; only AF_INET is currently supported.");
-		exit(1);
-	}
+	h = gethostbyname(host);
+	if (h->h_addrtype != AF_INET)
+		error_msg_and_die("unknown address type; only AF_INET is currently supported.");
 
 	pingaddr.sin_family = AF_INET;	/* h->h_addrtype */
 	memcpy(&pingaddr.sin_addr, h->h_addr, sizeof(pingaddr.sin_addr));
diff --git a/networking/telnet.c b/networking/telnet.c
index 207732b..2587193 100644
--- a/networking/telnet.c
+++ b/networking/telnet.c
@@ -644,18 +644,15 @@ static int getport(char * p)
 static struct in_addr getserver(char * host)
 {
 	struct in_addr addr;
-	
+
 	struct hostent * he;
-	if ((he = gethostbyname(host)) == NULL)
-	{
-		error_msg_and_die("%s: Unknown host", host);
-	}
+	he = xgethostbyname(host);
 	memcpy(&addr, he->h_addr, sizeof addr);
 
 	TRACE(1, ("addr: %s\n", inet_ntoa(addr)));
-	
+
 	return addr;
-}	
+}
 
 static int create_socket()
 {
diff --git a/networking/tftp.c b/networking/tftp.c
index 466851c..bb75c88 100644
--- a/networking/tftp.c
+++ b/networking/tftp.c
@@ -390,15 +390,10 @@ int tftp_main(int argc, char **argv)
 		s = xstrdup(serverstr);
 		s[cp - serverstr] = '\0';
 
-		if ((host = gethostbyname(s))) {
-			bad = 0;
-		}
+		host = xgethostbyname(s);
 
 		free(s);
 	}
-	if (bad) {
-		error_msg_and_die("bad \"server:file\" combination");
-	}
 
 	if (BB_TFTP_DEBUG) {
 		printf("using server \"%s\", serverfile \"%s\","
diff --git a/networking/wget.c b/networking/wget.c
index 5fa918a..6fd170d 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -556,8 +556,7 @@ FILE *open_socket(char *host, int port)
 
 	memset(&s_in, 0, sizeof(s_in));
 	s_in.sin_family = AF_INET;
-	if ((hp = (struct hostent *) gethostbyname(host)) == NULL)
-		error_msg_and_die("cannot resolve %s", host);
+	hp = xgethostbyname(host);
 	memcpy(&s_in.sin_addr, hp->h_addr_list[0], hp->h_length);
 	s_in.sin_port = htons(port);
 
@@ -813,7 +812,7 @@ progressmeter(int flag)
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: wget.c,v 1.40 2001/05/15 20:11:49 andersen Exp $
+ *	$Id: wget.c,v 1.41 2001/05/16 15:40:48 kraai Exp $
  */