From 3d414a24500610b54a0edebba73ac3658a516b6b Mon Sep 17 00:00:00 2001
From: Pieter Lexis <pieter.lexis@powerdns.com>
Date: Fri, 29 Apr 2016 17:14:25 +0200
Subject: [PATCH] Add --help and --version to dnswasher

---
 pdns/dnswasher.cc | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/pdns/dnswasher.cc b/pdns/dnswasher.cc
index d627e12681..c29c69d24e 100644
--- a/pdns/dnswasher.cc
+++ b/pdns/dnswasher.cc
@@ -60,13 +60,30 @@ private:
   uint32_t d_counter;
 };
 
+void usage() {
+  cerr<<"Syntax: dnswasher INFILE OUTFILE"<<endl;
+}
+
 int main(int argc, char** argv)
 try
 {
+  for (int i = 1; i < argc; i++) {
+    if ((string) argv[i] == "--help") {
+      usage();
+      exit(EXIT_SUCCESS);
+    }
+
+    if ((string) argv[i] == "--version") {
+      cerr<<"dnswasher "<<VERSION<<endl;
+      exit(EXIT_SUCCESS);
+    }
+  }
+
   if(argc!=3) {
-    cerr<<"Syntax: dnswasher infile outfile\n";
+    usage();
     exit(1);
   }
+
   PcapPacketReader pr(argv[1]);
   PcapPacketWriter pw(argv[2], pr);
   IPObfuscator ipo;
-- 
2.47.2