Added address resolving function (Thank you stal).

2 files changed, 35 insertions, 1 deletions

diff --git a/core/network.c b/core/network.c
index dbe4574c..6337651a 100644
--- a/core/network.c
+++ b/core/network.c
@@ -159,3 +159,28 @@ void shutdown_networking()
     #endif
     return;
 }
+
+/* resolves provided address to a binary data in network byte order
+  address is ASCII null terminated string
+  address should represent IPv4, IPv6 or a hostname
+  on success returns a data in network byte order that can be used to set IP.i or IP_Port.ip.i
+  on failure returns -1 */
+int resolve_addr(char *address)
+{
+    struct addrinfo hints;
+    memset(&hints, 0, sizeof(hints));
+    hints.ai_family = AF_UNSPEC; //support both IPv4 and IPv6
+    hints.ai_socktype = SOCK_DGRAM; //type of socket Tox uses
+
+    struct addrinfo *server = NULL;
+
+    int success = getaddrinfo(address, "7", &hints, &server);
+    if(success != 0)
+    {
+        return -1;
+    }
+
+    int resolved = ((struct sockaddr_in*)server->ai_addr)->sin_addr.s_addr;
+    freeaddrinfo(server);
+    return resolved;
+}
\ No newline at end of file
diff --git a/core/network.h b/core/network.h
index fe0c48eb..daab6e41 100644
--- a/core/network.h
+++ b/core/network.h
@@ -38,6 +38,7 @@
 
 #include <winsock2.h>
 #include <windows.h>
+#include <wspiapi.h>
 
 #undef VANILLA_NACL /* make sure on windows we use libsodium */
 
@@ -48,7 +49,8 @@
 #include <netinet/in.h>
 #include <errno.h>
 #include <sys/time.h>
-
+#include <sys/types.h> 
+#include <netdb.h>
 
 #endif
 
@@ -121,4 +123,11 @@ int init_networking(IP ip ,uint16_t port);
 
 /* function to cleanup networking stuff(doesn't do much right now) */
 void shutdown_networking();
+
+/* resolves provided address to a binary data in network byte order
+   address is ASCII null terminated string
+   address should represent IPv4, IPv6 or a hostname
+   on success returns a data in network byte order that can be used to set IP.i or IP_Port.ip.i
+   on failure returns -1 */
+int resolve_addr(char *address);
 #endif