Added formula for tcpflow.

"tcpflow is a program that captures data transmitted as part of TCP connections (flows), and stores the data in a way that is convenient for protocol analysis or debugging."

http://www.circlemud.org/~jelson/software/tcpflow/

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/tcpflow.rb

@@ -0,0 +1,37 @@
+require 'formula'
+
+class Tcpflow <Formula
+  url 'http://www.circlemud.org/pub/jelson/tcpflow/tcpflow-0.21.tar.gz'
+  homepage 'http://www.circlemud.org/~jelson/software/tcpflow/'
+  md5 '45a5aef6f043312315b7f342afc4a9c5'
+
+  depends_on 'libpcap'
+
+  def patches
+    DATA
+  end
+
+  def install
+    FileUtils.cp "/Developer/usr/share/libtool/config/config.guess", "config.guess"
+    FileUtils.cp "/Developer/usr/share/libtool/config/config.sub", "config.sub"
+    system "./configure", "--prefix=#{prefix}", "--disable-debug", "--disable-dependency-tracking", "--mandir=#{man}"
+    system "make install"
+  end
+end
+
+__END__
+--- a/src/util.c	2001-08-09 05:39:40.000000000 +1000
++++ b/src/util.c	2008-12-27 18:12:52.000000000 +1100
+@@ -181,6 +181,12 @@ int get_max_fds(void)
+       exit(1);
+     }
+ 
++#if defined(__APPLE__)
++	if (limit.rlim_max > OPEN_MAX) {
++		limit.rlim_max = OPEN_MAX;
++	}
++#endif
++
+     /* set the current to the maximum or specified value */
+     if (max_desired_fds)
+       limit.rlim_cur = max_desired_fds;