X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=net.h;h=8ec9fa52b9e4a05d259a820e82de56a584351ead;hp=d73ffccb5e8e38cf3d2d4f06db455764e180a0ea;hb=5d67c3dcd623fb61ca6ec4b427eeeb51daeca71e;hpb=35bbbf736c75f13c2bf9f6d6bdc2feecd42072cb;ds=sidebyside

diff --git a/net.h b/net.h
index d73ffccb..8ec9fa52 100644
--- a/net.h
+++ b/net.h
@@ -1,8 +1,9 @@
 /*
- * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2009 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
+#include <stdbool.h>
 
 /** \file net.h exported symbols from net.c */
 
@@ -24,11 +25,26 @@
 #endif
 /** \endcond */
 
+/**
+ * Ensure that string conforms to the IPv4 address format.
+ *
+ * \param address The address string to check.
+ *
+ * \return 1 if \a address conforms to the IPv4 address format, else 0.
+ */
+_static_inline_ bool is_valid_ipv4_address(const char *address)
+{
+	struct in_addr test_it;
+
+	return inet_pton(AF_INET, address, &test_it) != 0;
+}
+
 /**
  * Generic socket creation (passive and active sockets).
  */
 extern int makesock(unsigned l3type, unsigned l4type, int passive,
 	            const char *host, unsigned short port_number);
+extern struct in_addr extract_v4_addr(const struct sockaddr_storage *ss);
 
 /**
  * Functions to support listening sockets.