X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=net.c;fp=net.c;h=c4f0312acd80e810ba619b35bead80bd8578df2a;hb=db17b2883bd4f6d9e202388548f59f6867064027;hp=23cd8032f5019796d601976524cb63a7067f7a43;hpb=539d39f36549c10656d8b31f3dea32702e9649df;p=paraslash.git

diff --git a/net.c b/net.c
index 23cd8032..c4f0312a 100644
--- a/net.c
+++ b/net.c
@@ -18,6 +18,13 @@
 #include "list.h"
 #include "fd.h"
 
+/* Whether the given address conforms to the IPv4 address format. */
+static inline bool is_valid_ipv4_address(const char *address)
+{
+	struct in_addr test_it;
+	return inet_pton(AF_INET, address, &test_it) != 0;
+}
+
 /**
  * Parse and validate IPv4 address/netmask string.
  *
@@ -77,6 +84,13 @@ static bool is_v4_dot_quad(const char *address)
 	return result;
 }
 
+/* Whether a string conforms to IPv6 address format (RFC 4291). */
+static inline bool is_valid_ipv6_address(const char *address)
+{
+	struct in6_addr test_it;
+	return inet_pton(AF_INET6, address, &test_it) != 0;
+}
+
 /**
  * Perform basic syntax checking on the host-part of an URL:
  *