Split headers for dnsserv.c functions out of or.h

The next series of commits begins addressing the issue that we're
currently including the complete or.h file in all of our source files.
To change that, we're splitting function definitions into new header
files (one header file per source file).

src/or/connection.c

@@ -11,6 +11,7 @@
  **/
 
 #include "or.h"
+#include "dnsserv.h"
 
 static connection_t *connection_create_listener(
                                struct sockaddr *listensockaddr,

src/or/connection_edge.c

@@ -10,6 +10,7 @@
  **/
 
 #include "or.h"
+#include "dnsserv.h"
 
 #ifdef HAVE_LINUX_TYPES_H
 #include <linux/types.h>

src/or/control.c

@@ -11,6 +11,7 @@
 #define CONTROL_PRIVATE
 
 #include "or.h"
+#include "dnsserv.h"
 
 /** Yield true iff <b>s</b> is the state of a control_connection_t that has
  * finished authentication and is accepting commands. */

src/or/dnsserv.c

@@ -9,6 +9,7 @@
  **/
 
 #include "or.h"
+#include "dnsserv.h"
 #ifdef HAVE_EVENT2_DNS_H
 #include <event2/dns.h>
 #include <event2/dns_compat.h>

src/or/dnsserv.h

@@ -0,0 +1,26 @@
+/* Copyright (c) 2001 Matej Pfajfar.
+ * Copyright (c) 2001-2004, Roger Dingledine.
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2010, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file dnsserv.h
+ * \brief Header file for dnsserv functions
+ **/
+
+#ifndef _TOR_DNSSERV_H
+#define _TOR_DNSSERV_H
+
+void dnsserv_configure_listener(connection_t *conn);
+void dnsserv_close_listener(connection_t *conn);
+void dnsserv_resolved(edge_connection_t *conn,
+                      int answer_type,
+                      size_t answer_len,
+                      const char *answer,
+                      int ttl);
+void dnsserv_reject_request(edge_connection_t *conn);
+int dnsserv_launch_request(const char *name, int is_reverse);
+
+#endif
+

src/or/geoip.c

@@ -10,6 +10,7 @@
 #define GEOIP_PRIVATE
 #include "or.h"
 #include "ht.h"
+#include "dnsserv.h"
 
 static void clear_geoip_db(void);
 

src/or/main.c

@@ -12,6 +12,7 @@
 
 #define MAIN_PRIVATE
 #include "or.h"
+#include "dnsserv.h"
 #ifdef USE_DMALLOC
 #include <dmalloc.h>
 #include <openssl/crypto.h>

src/or/or.h

@@ -4092,18 +4092,6 @@ int dns_seems_to_be_broken(void);
 void dns_reset_correctness_checks(void);
 void dump_dns_mem_usage(int severity);
 
-/********************************* dnsserv.c ************************/
-
-void dnsserv_configure_listener(connection_t *conn);
-void dnsserv_close_listener(connection_t *conn);
-void dnsserv_resolved(edge_connection_t *conn,
-                      int answer_type,
-                      size_t answer_len,
-                      const char *answer,
-                      int ttl);
-void dnsserv_reject_request(edge_connection_t *conn);
-int dnsserv_launch_request(const char *name, int is_reverse);
-
 /********************************* geoip.c **************************/
 
 /** Round all GeoIP results to the next multiple of this value, to avoid