Add -W <sec> option.

Just like -w but in floating point seconds instead of microseconds.

4 files changed, 21 insertions, 4 deletions

diff --git a/doc/arping.8 b/doc/arping.8
index 9036a3f..df54d31 100644
--- a/doc/arping.8
+++ b/doc/arping.8
@@ -120,8 +120,10 @@ to update the neighbours\(cq\& ARP caches\&.
 $ arping \-i <interface> \-U <interface IP>
 .IP "\-v"
 Verbose output\&. Use twice for more messages\&.
-.IP "\-w"
+.IP "\-w \fIusec\fP"
 Time to wait between pings, in microseconds\&.
+.IP "\-W \fIsec\fP"
+Same as \-w, but in floating point seconds\&.
 
 .PP 
 .SH "EXAMPLES"
@@ -145,6 +147,10 @@ ARPING 00:11:85:4c:01:01
 \-\-\- 00:11:85:4c:01:01 statistics \-\-\-
 3 packets transmitted, 3 packets received,   0% unanswered
 .PP 
+# \fBarping \-C 2 \-c 10 \-r 88\&.1\&.180\&.225\fP
+00:11:85:4c:01:01
+00:11:85:4c:01:01
+.PP 
 .fi
 .in
 .PP 
diff --git a/doc/arping.yodl b/doc/arping.yodl
index 630e93c..55e5aad 100644
--- a/doc/arping.yodl
+++ b/doc/arping.yodl
@@ -94,7 +94,8 @@ mancommand(.sp)
         mancommand(.sp)
 	$ arping -i <interface> -U <interface IP>
     dit(-v) Verbose output. Use twice for more messages.
-    dit(-w) Time to wait between pings, in microseconds.
+    dit(-w em(usec)) Time to wait between pings, in microseconds.
+    dit(-W em(sec)) Same as -w, but in floating point seconds.
 enddit()
 
 
@@ -119,6 +120,10 @@ mancommand(.sp)
   --- 00:11:85:4c:01:01 statistics ---
   3 packets transmitted, 3 packets received,   0% unanswered
 
+  # bf(arping -C 2 -c 10 -r 88.1.180.225)
+  00:11:85:4c:01:01
+  00:11:85:4c:01:01
+
 mancommand(.fi)
 mancommand(.in)
 
diff --git a/extra/testing.ex b/extra/testing.ex
index 38c4a49..f7d2a22 100755
--- a/extra/testing.ex
+++ b/extra/testing.ex
@@ -29,6 +29,7 @@
 # * -u (soon)
 # * -v (soon)
 # * -w (soon)
+# * -W (soon)
 #
 # Not tested here:
 # * -0
diff --git a/src/arping.c b/src/arping.c
index a42779c..93f27c9 100644
--- a/src/arping.c
+++ b/src/arping.c
@@ -372,7 +372,8 @@ extended_usage()
 	       "           pinging MACs.\n"
 	       "    -U     Send unsolicited ARP.\n"
 	       "    -v     Verbose output. Use twice for more messages.\n"
-	       "    -w     Time to wait between pings, in microseconds.\n");
+               "    -w     Time to wait between pings, in microseconds.\n"
+               "    -W     Same as -w, but in floating point seconds.\n");
         printf("Report bugs to: thomas@habets.se\n"
                "Arping home page: <http://www.habets.pp.se/synscan/>\n"
                "Development repo: http://github.com/ThomasHabets/arping\n");
@@ -387,6 +388,7 @@ standard_usage()
 	printf("ARPing %s, by Thomas Habets <thomas@habets.se>\n",
 	       version);
         printf("usage: arping [ -0aAbdDeFpqrRuUv ] [ -w <us> ] "
+               "[ -W <sec> ] "
                "[ -S <host/ip> ]\n"
                "              "
                "[ -T <host/ip ] "
@@ -1058,7 +1060,7 @@ int main(int argc, char **argv)
 	memcpy(dstmac, ethxmas, ETH_ALEN);
 
         while (EOF != (c = getopt(argc, argv,
-                                  "0aAbBC:c:dDeFhi:I:pqrRs:S:t:T:uUvw:"))) {
+                                  "0aAbBC:c:dDeFhi:I:pqrRs:S:t:T:uUvw:W:"))) {
 		switch(c) {
 		case '0':
 			srcip = 0;
@@ -1204,6 +1206,9 @@ int main(int argc, char **argv)
 		case 'w':
 			packetwait = (unsigned)atoi(optarg);
 			break;
+                case 'W':
+                        packetwait = (unsigned)(1000000.0 * atof(optarg));
+                        break;
 		default:
 			usage(1);
 		}