crash fix and doc updates

4 files changed, 18 insertions, 12 deletions

diff --git a/README b/README
index e012d89..ab1e086 100644
--- a/README
+++ b/README
@@ -1,4 +1,4 @@
-$Id: README 738 2002-11-03 19:58:21Z marvin $
+$Id: README 793 2003-02-04 20:22:23Z marvin $
 
  ARP Ping
 
@@ -188,8 +188,7 @@ A: Ah, I see. A broadcast was changed to unicast, I don't know why I set it to
    ... Or you can run arping -s ff:ff:ff:ff:ff:ff <host>.
    If this fixes it please LET ME KNOW.
 ---
-Q: Hey! Wasn't this Marvins program? (marvin@rootbusters.net, that is)
-   You thief!
+Q: Hey! Wasn't this Marvins program? You thief!
 
 A: We are the same person.
 ---
diff --git a/arping.8 b/arping.8
index d11b1c5..8cf6d94 100644
--- a/arping.8
+++ b/arping.8
@@ -1,4 +1,4 @@
-.TH "arping" "8" "12th Feb, 2002" "arping" "" 
+.TH "arping" "8" "4th Feb, 2003" "arping" "" 
 .PP 
 .SH "NAME" 
 arping \- sends arp and/or ip pings to a given host
@@ -11,6 +11,10 @@ The \fIarping\fP utility sends \fBARP\fP and/or \fBICMP\fP requests to the speci
 .PP 
 One request is sent each second\&.
 .PP 
+When pinging an IP an ARP who-has query is sent\&. When pinging a MAC
+address a directed broadcast ICMP Echo request is sent\&. For more
+technical explaination, see the README file\&.
+.PP 
 \fIImportant note on timing\fP
 .PP 
 ARP packets are usually replied to (on a LAN) so fast that the OS task
@@ -92,5 +96,4 @@ instead of -S 255\&.255\&.255\&.255\&. This is libnets fault\&.
 .PP 
 .SH "AUTHOR" 
 .PP 
-Arping was written by Thomas Habets <thomas@habets\&.pp\&.se> aka
-<marvin@rootbusters\&.net>
+Arping was written by Thomas Habets <thomas@habets\&.pp\&.se>\&.
diff --git a/arping.c b/arping.c
index b2378ae..ce6b573 100644
--- a/arping.c
+++ b/arping.c
@@ -12,7 +12,7 @@
  *
  * Also finds out IP of specified MAC
  *
- * $Id: arping.c 737 2002-11-03 19:47:58Z marvin $
+ * $Id: arping.c 793 2003-02-04 20:22:23Z marvin $
  */
 /*
  *  Copyright (C) 2000-2002 Thomas Habets <thomas@habets.pp.se>
@@ -78,7 +78,7 @@
 #define DEBUG(a)
 #endif
 
-const float version = 1.05;
+const float version = 1.06;
 
 struct ether_addr *mymac;
 static u_char eth_xmas[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
@@ -488,7 +488,8 @@ int main(int argc, char **argv)
 	}
 	if (!searchmac && !dip && (optind + 1 != argc)) {
 		usage(1);
-		exit(1);
+	} else if (searchmac && (optind + 1 != argc)) {
+		usage(1);
 	}
 	if (getuid() && geteuid()) {
 		fprintf(stderr, "arping: must run as root\n");
diff --git a/arping.yodl b/arping.yodl
index ae812ca..ecd7b2b 100644
--- a/arping.yodl
+++ b/arping.yodl
@@ -1,4 +1,4 @@
-manpage(arping)(8)(12th Feb, 2002)(arping)()
+manpage(arping)(8)(4th Feb, 2003)(arping)()
 
 manpagename(arping)(sends arp and/or ip pings to a given host)
 
@@ -11,6 +11,10 @@ manpagedescription()
 
     One request is sent each second.
 
+    When pinging an IP an ARP who-has query is sent. When pinging a MAC
+    address a directed broadcast ICMP Echo request is sent. For more
+    technical explaination, see the README file.
+
     em(Important note on timing)
 
     ARP packets are usually replied to (on a LAN) so fast that the OS task
@@ -78,5 +82,4 @@ manpageseealso()
 
 manpageauthor()
 
-    Arping was written by Thomas Habets <thomas@habets.pp.se> aka
-<marvin@rootbusters.net>
+    Arping was written by Thomas Habets <thomas@habets.pp.se>.