From b6a44b8d39b7834ab9f6c43938f4b58f135e846e Mon Sep 17 00:00:00 2001
From: Eric Andersen
Date: Sat, 13 Nov 1999 04:47:09 +0000
Subject: updates for the day

---
 mnc.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

(limited to 'mnc.c')

diff --git a/mnc.c b/mnc.c
index a9e66be..81dfd25 100644
--- a/mnc.c
+++ b/mnc.c
@@ -40,8 +40,8 @@
 #define BUFSIZE 100
 
 static const char mnc_usage[] = 
-"mini-netcat 0.0.3 -- Open pipe to IP:port\n"
-"\tmnc [IP] [port]\n";
+"mnc [IP] [port]\n\n"
+"mini-netcat opens a pipe to IP:port\n";
 
 int
 mnc_main(int argc, char **argv)
@@ -56,9 +56,15 @@ mnc_main(int argc, char **argv)
 
         fd_set readfds, testfds;
 
+	if (argc<=1 || **(argv+1) == '-' ) {
+	    usage( mnc_usage);
+	}
+	argc--;
+	argv++;
+
         sfd = socket(AF_INET, SOCK_STREAM, 0);
 
-        hostinfo = (struct hostent *) gethostbyname(argv[1]);
+        hostinfo = (struct hostent *) gethostbyname(*argv);
 
         if (!hostinfo)
         {
@@ -67,7 +73,7 @@ mnc_main(int argc, char **argv)
 
         address.sin_family = AF_INET;
         address.sin_addr = *(struct in_addr *) *hostinfo->h_addr_list;
-        address.sin_port = htons(atoi(argv[2]));
+        address.sin_port = htons(atoi(*(++argv)));
 
         len = sizeof(address);
 
-- 
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