1.0 stuff

10 files changed, 173 insertions, 98 deletions

diff --git a/configure.in b/configure.in
index 67fe2ca..bd626c8 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
-AC_INIT(libenet, 7-18-2005)
-AM_INIT_AUTOMAKE(libenet.a, 7-18-2005)
+AC_INIT(libenet, 1.0)
+AM_INIT_AUTOMAKE(libenet.a, 1.0)
 
 AC_PROG_CC
 AC_PROG_RANLIB
@@ -8,6 +8,8 @@ AC_CHECK_FUNC(gethostbyaddr_r, [AC_DEFINE(HAS_GETHOSTBYADDR_R)])
 AC_CHECK_FUNC(gethostbyname_r, [AC_DEFINE(HAS_GETHOSTBYNAME_R)])
 AC_CHECK_FUNC(poll, [AC_DEFINE(HAS_POLL)])
 AC_CHECK_FUNC(fcntl, [AC_DEFINE(HAS_FCNTL)])
+AC_CHECK_FUNC(inet_pton, [AC_DEFINE(HAS_INET_PTON)])
+AC_CHECK_FUNC(inet_ntop, [AC_DEFINE(HAS_INET_NTOP)])
 
 AC_CHECK_MEMBER(struct msghdr.msg_flags, [AC_DEFINE(HAS_MSGHDR_FLAGS)], , [#include <sys/socket.h>])
 
diff --git a/docs/mainpage.dox b/docs/mainpage.dox
index 3e36262..2380196 100755
--- a/docs/mainpage.dox
+++ b/docs/mainpage.dox
@@ -20,8 +20,6 @@ or dependent tasks.
 
 @ref Tutorial
 
-@ref DiscussionForum
-
 @ref MailingList
 
 @ref Extending
@@ -71,15 +69,6 @@ appropriate functions in memory.c
 */
 
 /**
-@page DiscussionForum ENet Discussion Forum
-
-The <a href="http://jbserver.com/forums/ForumHome.asp?ForumId=6">
-ENet discussion forum</a> provides a convenient place to ask for help,
-share code and ideas, or report bugs.
-
-*/
-
-/**
 @page MailingList ENet Related Mailing Lists
 
 The <a
diff --git a/docs/tutorial.dox b/docs/tutorial.dox
index 0cf29fd..7829d6c 100755
--- a/docs/tutorial.dox
+++ b/docs/tutorial.dox
@@ -262,7 +262,7 @@ foreign host. No event is generated.
 @code
     ENetEvent event;
     
-    enet_peer_disconnect (peer);
+    enet_peer_disconnect (peer, 0);
 
     /* Allow up to 3 seconds for the disconnect to succeed
      * and drop any packets received packets.
diff --git a/include/enet/enet.h b/include/enet/enet.h
index 4966a1a..4c48a92 100644
--- a/include/enet/enet.h
+++ b/include/enet/enet.h
@@ -12,7 +12,6 @@ extern "C"
 
 #include <stdlib.h>
 
-
 #ifdef WIN32
 #include "enet/win32.h"
 #else
@@ -144,10 +143,11 @@ typedef enum
    ENET_PEER_STATE_DISCONNECTED                = 0,
    ENET_PEER_STATE_CONNECTING                  = 1,
    ENET_PEER_STATE_ACKNOWLEDGING_CONNECT       = 2,
-   ENET_PEER_STATE_CONNECTED                   = 3,
-   ENET_PEER_STATE_DISCONNECTING               = 4,
-   ENET_PEER_STATE_ACKNOWLEDGING_DISCONNECT    = 5,
-   ENET_PEER_STATE_ZOMBIE                      = 6
+   ENET_PEER_STATE_CONNECTION_PENDING          = 3,
+   ENET_PEER_STATE_CONNECTED                   = 4,
+   ENET_PEER_STATE_DISCONNECTING               = 5,
+   ENET_PEER_STATE_ACKNOWLEDGING_DISCONNECT    = 6,
+   ENET_PEER_STATE_ZOMBIE                      = 7
 } ENetPeerState;
 
 #ifndef ENET_BUFFER_MAXIMUM
@@ -171,7 +171,7 @@ enum
    ENET_PEER_PACKET_LOSS_INTERVAL         = 10000,
    ENET_PEER_WINDOW_SIZE_SCALE            = 64 * 1024,
    ENET_PEER_TIMEOUT_LIMIT                = 32,
-   ENET_PEER_TIMEOUT_MINIMUM              = 3000,
+   ENET_PEER_TIMEOUT_MINIMUM              = 5000,
    ENET_PEER_TIMEOUT_MAXIMUM              = 30000,
    ENET_PEER_PING_INTERVAL                = 500,
    ENET_PEER_UNSEQUENCED_WINDOW_SIZE      = 4 * 32,
@@ -243,6 +243,7 @@ typedef struct _ENetPeer
    enet_uint32   incomingUnsequencedGroup;
    enet_uint32   outgoingUnsequencedGroup;
    enet_uint32   unsequencedWindow [ENET_PEER_UNSEQUENCED_WINDOW_SIZE / 32]; 
+   enet_uint32   disconnectData;
 } ENetPeer;
 
 /** An ENet host for communicating with peers.
@@ -297,7 +298,8 @@ typedef enum
      * completion of a disconnect initiated by enet_pper_disconnect, if 
      * a peer has timed out, or if a connection request intialized by 
      * enet_host_connect has timed out.  The peer field contains the peer 
-     * which disconnected. 
+     * which disconnected. The data field contains user supplied data 
+     * describing the disconnection, or 0, if none is available.
      */
    ENET_EVENT_TYPE_DISCONNECT = 2,  
 
@@ -319,8 +321,9 @@ typedef struct _ENetEvent
 {
    ENetEventType        type;      /**< type of the event */
    ENetPeer *           peer;      /**< peer that generated a connect, disconnect or receive event */
-   enet_uint8           channelID;
-   ENetPacket *         packet;
+   enet_uint8           channelID; /**< channel on the peer that generated the event, if appropriate */
+   enet_uint32          data;      /**< data associated with the event, if appropriate */
+   ENetPacket *         packet;    /**< packet associated with the event, if appropriate */
 } ENetEvent;
 
 /** @defgroup global ENet global functions
@@ -334,13 +337,6 @@ typedef struct _ENetEvent
 */
 ENET_API int enet_initialize (void);
 
-/**
-  Initializes ENet and sets the callbacks provided in the ENetCallbacks structure.
-  Callbacks that are set to NULL will simply use the default ENet functions.
-  ENET_VERSION should be passed in as the first argument so that ENet may verify the
-  callbacks available. 
-  @returns 0 on success, < 0 on failure
-*/
 ENET_API int enet_initialize_with_callbacks (ENetVersion version, const ENetCallbacks * inits);
 
 /** 
@@ -419,8 +415,8 @@ ENET_API int                 enet_peer_send (ENetPeer *, enet_uint8, ENetPacket
 ENET_API ENetPacket *        enet_peer_receive (ENetPeer *, enet_uint8);
 ENET_API void                enet_peer_ping (ENetPeer *);
 ENET_API void                enet_peer_reset (ENetPeer *);
-ENET_API void                enet_peer_disconnect (ENetPeer *);
-ENET_API void                enet_peer_disconnect_now (ENetPeer *);
+ENET_API void                enet_peer_disconnect (ENetPeer *, enet_uint32);
+ENET_API void                enet_peer_disconnect_now (ENetPeer *, enet_uint32);
 ENET_API void                enet_peer_throttle_configure (ENetPeer *, enet_uint32, enet_uint32, enet_uint32);
 extern int                   enet_peer_throttle (ENetPeer *, enet_uint32);
 extern void                  enet_peer_reset_queues (ENetPeer *);
diff --git a/include/enet/protocol.h b/include/enet/protocol.h
index 9a61498..6d4dae9 100644
--- a/include/enet/protocol.h
+++ b/include/enet/protocol.h
@@ -112,6 +112,7 @@ typedef struct
 typedef struct
 {
    ENetProtocolCommandHeader header;
+   enet_uint32 data;
 } ENetProtocolDisconnect;
 
 typedef struct
diff --git a/include/enet/win32.h b/include/enet/win32.h
index ae231c2..310ecd5 100644
--- a/include/enet/win32.h
+++ b/include/enet/win32.h
@@ -5,6 +5,13 @@
 #ifndef __ENET_WIN32_H__
 #define __ENET_WIN32_H__
 
+#ifdef ENET_BUILDING_LIB
+#pragma warning (disable: 4996) // 'strncpy' was declared deprecated
+#pragma warning (disable: 4267) // size_t to int conversion
+#pragma warning (disable: 4244) // 64bit to 32bit int
+#pragma warning (disable: 4018) // signed/unsigned mismatch
+#endif
+
 #include <stdlib.h>
 #include <winsock2.h>
 
diff --git a/peer.c b/peer.c
index 2689e15..754239f 100644
--- a/peer.c
+++ b/peer.c
@@ -2,6 +2,7 @@
  @file  peer.c
  @brief ENet peer management functions
 */
+#include <string.h>
 #define ENET_BUILDING_LIB 1
 #include "enet/enet.h"
 
@@ -379,6 +380,7 @@ enet_peer_reset (ENetPeer * peer)
     peer -> windowSize = ENET_PROTOCOL_MAXIMUM_WINDOW_SIZE;
     peer -> incomingUnsequencedGroup = 0;
     peer -> outgoingUnsequencedGroup = 0;
+    peer -> disconnectData = 0;
 
     memset (peer -> unsequencedWindow, 0, sizeof (peer -> unsequencedWindow));
     
@@ -410,12 +412,13 @@ enet_peer_ping (ENetPeer * peer)
 
 /** Force an immediate disconnection from a peer.
     @param peer peer to disconnect
+    @param data data describing the disconnection
     @remarks No ENET_EVENT_DISCONNECT event will be generated. The foreign peer is not
     guarenteed to receive the disconnect notification, and is reset immediately upon
     return from this function.
 */
 void
-enet_peer_disconnect_now (ENetPeer * peer)
+enet_peer_disconnect_now (ENetPeer * peer, enet_uint32 data)
 {
     ENetProtocol command;
 
@@ -431,6 +434,7 @@ enet_peer_disconnect_now (ENetPeer * peer)
         command.header.channelID = 0xFF;
         command.header.flags = ENET_PROTOCOL_FLAG_UNSEQUENCED;
         command.header.commandLength = sizeof (ENetProtocolDisconnect);
+        command.disconnect.data = data;
 
         enet_peer_queue_outgoing_command (peer, & command, NULL, 0, 0);
 
@@ -442,11 +446,12 @@ enet_peer_disconnect_now (ENetPeer * peer)
 
 /** Request a disconnection from a peer.
     @param peer peer to request a disconnection
+    @param data data describing the disconnection
     @remarks An ENET_EVENT_DISCONNECT event will be generated by enet_host_service()
     once the disconnection is complete.
 */
 void
-enet_peer_disconnect (ENetPeer * peer)
+enet_peer_disconnect (ENetPeer * peer, enet_uint32 data)
 {
     ENetProtocol command;
 
@@ -461,6 +466,7 @@ enet_peer_disconnect (ENetPeer * peer)
     command.header.channelID = 0xFF;
     command.header.flags = ENET_PROTOCOL_FLAG_UNSEQUENCED;
     command.header.commandLength = sizeof (ENetProtocolDisconnect);
+    command.disconnect.data = data;
 
     if (peer -> state == ENET_PEER_STATE_CONNECTED)
       command.header.flags = ENET_PROTOCOL_FLAG_ACKNOWLEDGE;
diff --git a/protocol.c b/protocol.c
index ef8935b..75cdd64 100644
--- a/protocol.c
+++ b/protocol.c
@@ -24,12 +24,22 @@ enet_protocol_dispatch_incoming_commands (ENetHost * host, ENetEvent * event)
        if (currentPeer >= & host -> peers [host -> peerCount])
          currentPeer = host -> peers;
 
-       if (currentPeer -> state == ENET_PEER_STATE_ZOMBIE)
+       switch (currentPeer -> state)
        {
+       case ENET_PEER_STATE_CONNECTION_PENDING:
+           currentPeer -> state = ENET_PEER_STATE_CONNECTED;
+
+           event -> type = ENET_EVENT_TYPE_CONNECT;
+           event -> peer = currentPeer;
+
+           return 1;
+           
+       case ENET_PEER_STATE_ZOMBIE:
            host -> recalculateBandwidthLimits = 1;
 
            event -> type = ENET_EVENT_TYPE_DISCONNECT;
            event -> peer = currentPeer;
+           event -> data = currentPeer -> disconnectData;
 
            enet_peer_reset (currentPeer);
 
@@ -67,6 +77,43 @@ enet_protocol_dispatch_incoming_commands (ENetHost * host, ENetEvent * event)
 }
 
 static void
+enet_protocol_notify_connect (ENetHost * host, ENetPeer * peer, ENetEvent * event)
+{
+    host -> recalculateBandwidthLimits = 1;
+
+    if (event == NULL)
+       peer -> state = ENET_PEER_STATE_CONNECTION_PENDING;
+    else
+    {
+       peer -> state = ENET_PEER_STATE_CONNECTED;
+
+       event -> type = ENET_EVENT_TYPE_CONNECT;
+       event -> peer = peer;
+    }
+}
+
+static void
+enet_protocol_notify_disconnect (ENetHost * host, ENetPeer * peer, ENetEvent * event)
+{
+    if (peer -> state >= ENET_PEER_STATE_CONNECTION_PENDING)
+        host -> recalculateBandwidthLimits = 1;
+
+    if (peer -> state < ENET_PEER_STATE_CONNECTED)
+        enet_peer_reset (peer);
+    else
+    if (event == NULL)
+        peer -> state = ENET_PEER_STATE_ZOMBIE;
+    else
+    {
+        event -> type = ENET_EVENT_TYPE_DISCONNECT;
+        event -> peer = peer;
+        event -> data = 0;
+
+        enet_peer_reset (peer);
+    }
+}
+
+static void
 enet_protocol_remove_sent_unreliable_commands (ENetPeer * peer)
 {
     ENetOutgoingCommand * outgoingCommand;
@@ -461,12 +508,18 @@ enet_protocol_handle_disconnect (ENetHost * host, ENetPeer * peer, const ENetPro
     enet_peer_reset_queues (peer);
 
     if (peer -> state != ENET_PEER_STATE_CONNECTED)
-      enet_peer_reset (peer);
+    {
+        if (peer -> state == ENET_PEER_STATE_CONNECTION_PENDING) host -> recalculateBandwidthLimits = 1;
+
+        enet_peer_reset (peer);
+    }
     else
     if (command -> header.flags & ENET_PROTOCOL_FLAG_ACKNOWLEDGE)
       peer -> state = ENET_PEER_STATE_ACKNOWLEDGING_DISCONNECT;
     else
       peer -> state = ENET_PEER_STATE_ZOMBIE;
+
+    peer -> disconnectData = command -> disconnect.data;
 }
 
 static int
@@ -531,12 +584,7 @@ enet_protocol_handle_acknowledge (ENetHost * host, ENetEvent * event, ENetPeer *
        if (commandNumber != ENET_PROTOCOL_COMMAND_VERIFY_CONNECT)
          return 0;
 
-       host -> recalculateBandwidthLimits = 1;
-
-       peer -> state = ENET_PEER_STATE_CONNECTED;
-
-       event -> type = ENET_EVENT_TYPE_CONNECT;
-       event -> peer = peer;
+       enet_protocol_notify_connect (host, peer, event);
 
        return 1;
 
@@ -544,17 +592,9 @@ enet_protocol_handle_acknowledge (ENetHost * host, ENetEvent * event, ENetPeer *
        if (commandNumber != ENET_PROTOCOL_COMMAND_DISCONNECT)
          return 0;
 
-       host -> recalculateBandwidthLimits = 1;
-
-       event -> type = ENET_EVENT_TYPE_DISCONNECT;
-       event -> peer = peer;
-
-       enet_peer_reset (peer);
+       enet_protocol_notify_disconnect (host, peer, event);
 
        return 1;
-
-    default:
-       break;
     }
    
     return 0;
@@ -566,7 +606,8 @@ enet_protocol_handle_verify_connect (ENetHost * host, ENetEvent * event, ENetPee
     enet_uint16 mtu;
     enet_uint32 windowSize;
 
-    if (command -> header.commandLength < sizeof (ENetProtocolVerifyConnect) ||
+    if (event == NULL ||
+        command -> header.commandLength < sizeof (ENetProtocolVerifyConnect) ||
         peer -> state != ENET_PEER_STATE_CONNECTING)
       return;
 
@@ -607,12 +648,7 @@ enet_protocol_handle_verify_connect (ENetHost * host, ENetEvent * event, ENetPee
     peer -> incomingBandwidth = ENET_NET_TO_HOST_32 (command -> verifyConnect.incomingBandwidth);
     peer -> outgoingBandwidth = ENET_NET_TO_HOST_32 (command -> verifyConnect.outgoingBandwidth);
 
-    host -> recalculateBandwidthLimits = 1;
-
-    peer -> state = ENET_PEER_STATE_CONNECTED;
-
-    event -> type = ENET_EVENT_TYPE_CONNECT;
-    event -> peer = peer;
+    enet_protocol_notify_connect (host, peer, event);
 }
 
 static int
@@ -666,21 +702,19 @@ enet_protocol_handle_incoming_commands (ENetHost * host, ENetEvent * event)
        command = (ENetProtocol *) currentData;
 
        if (currentData + sizeof (ENetProtocolCommandHeader) > & host -> receivedData [host -> receivedDataLength])
-         return 0;
+         break;
 
        command -> header.commandLength = ENET_NET_TO_HOST_32 (command -> header.commandLength);
 
-       if (currentData + command -> header.commandLength > & host -> receivedData [host -> receivedDataLength])
-         return 0;
+       if (command -> header.commandLength <= 0 || 
+           command -> header.commandLength > & host -> receivedData [host -> receivedDataLength] - currentData)
+         break;
 
        -- commandCount;
        currentData += command -> header.commandLength;
 
-       if (peer == NULL)
-       {
-          if (command -> header.command != ENET_PROTOCOL_COMMAND_CONNECT)
-            return 0;
-       }
+       if (peer == NULL && command -> header.command != ENET_PROTOCOL_COMMAND_CONNECT)
+         break;
          
        command -> header.reliableSequenceNumber = ENET_NET_TO_HOST_32 (command -> header.reliableSequenceNumber);
 
@@ -765,7 +799,7 @@ enet_protocol_handle_incoming_commands (ENetHost * host, ENetEvent * event)
        }
     }
 
-    if (event -> type != ENET_EVENT_TYPE_NONE)
+    if (event != NULL && event -> type != ENET_EVENT_TYPE_NONE)
       return 1;
 
     return 0;
@@ -962,10 +996,7 @@ enet_protocol_check_timeouts (ENetHost * host, ENetPeer * peer, ENetEvent * even
                (outgoingCommand -> roundTripTimeout >= outgoingCommand -> roundTripTimeoutLimit &&
                  ENET_TIME_DIFFERENCE(timeCurrent, peer -> earliestTimeout) >= ENET_PEER_TIMEOUT_MINIMUM)))
        {
-          event -> type = ENET_EVENT_TYPE_DISCONNECT;
-          event -> peer = peer;
-
-          enet_peer_reset (peer);
+          enet_protocol_notify_disconnect (host, peer, event);
 
           return 1;
        }
@@ -1198,6 +1229,7 @@ enet_host_flush (ENetHost * host)
 
     @param host    host to service
     @param event   an event structure where event details will be placed if one occurs
+                   if event == NULL then no events will be delivered
     @param timeout number of milliseconds that ENet should wait for events
     @retval > 0 if an event occurred within the specified time limit
     @retval 0 if no event occurred
@@ -1210,24 +1242,27 @@ enet_host_service (ENetHost * host, ENetEvent * event, enet_uint32 timeout)
 {
     enet_uint32 waitCondition;
 
-    event -> type = ENET_EVENT_TYPE_NONE;
-    event -> peer = NULL;
-    event -> packet = NULL;
-
-    switch (enet_protocol_dispatch_incoming_commands (host, event))
+    if (event != NULL)
     {
-    case 1:
-       return 1;
+        event -> type = ENET_EVENT_TYPE_NONE;
+        event -> peer = NULL;
+        event -> packet = NULL;
+
+        switch (enet_protocol_dispatch_incoming_commands (host, event))
+        {
+        case 1:
+            return 1;
 
-    case -1:
-       perror ("Error dispatching incoming packets");
+        case -1:
+            perror ("Error dispatching incoming packets");
 
-       return -1;
+            return -1;
 
-    default:
-       break;
+        default:
+            break;
+        }
     }
-   
+
     timeCurrent = enet_time_get ();
     
     timeout += timeCurrent;
@@ -1279,18 +1314,21 @@ enet_host_service (ENetHost * host, ENetEvent * event, enet_uint32 timeout)
           break;
        }
 
-       switch (enet_protocol_dispatch_incoming_commands (host, event))
+       if (event != NULL)
        {
-       case 1:
-          return 1;
+          switch (enet_protocol_dispatch_incoming_commands (host, event))
+          {
+          case 1:
+             return 1;
 
-       case -1:
-          perror ("Error dispatching incoming packets");
+          case -1:
+             perror ("Error dispatching incoming packets");
 
-          return -1;
+             return -1;
 
-       default:
-          break;
+          default:
+             break;
+          }
        }
 
        timeCurrent = enet_time_get ();
diff --git a/unix.c b/unix.c
index c6eb823..3772fef 100644
--- a/unix.c
+++ b/unix.c
@@ -8,6 +8,7 @@
 #include <sys/socket.h>
 #include <sys/ioctl.h>
 #include <sys/time.h>
+#include <arpa/inet.h>
 #include <netdb.h>
 #include <unistd.h>
 #include <string.h>
@@ -21,6 +22,10 @@
 #include <fcntl.h>
 #endif
 
+#ifdef __APPLE__
+#undef HAS_POLL
+#endif
+
 #ifdef HAS_POLL
 #include <sys/poll.h>
 #endif
@@ -86,7 +91,15 @@ enet_address_set_host (ENetAddress * address, const char * name)
 
     if (hostEntry == NULL ||
         hostEntry -> h_addrtype != AF_INET)
-      return -1;
+    {
+#ifdef HAS_INET_PTON
+        if (! inet_pton (AF_INET, name, & address -> host))
+#else
+        if (! inet_aton (name, (struct in_addr *) & address -> host))
+#endif
+            return -1;
+        return 0;
+    }
 
     address -> host = * (enet_uint32 *) hostEntry -> h_addr_list [0];
 
@@ -117,7 +130,18 @@ enet_address_get_host (const ENetAddress * address, char * name, size_t nameLeng
 #endif
 
     if (hostEntry == NULL)
-      return -1;
+    {
+#ifdef HAS_INET_NTOP
+        if (inet_ntop (AF_INET, & address -> host, name, nameLength) == NULL)
+#else
+        char * addr = inet_ntoa (* (struct in_addr *) & address -> host);
+        if (addr != NULL)
+            strncpy (name, addr, nameLength);
+        else
+#endif
+            return -1;
+        return 0;
+    }
 
     strncpy (name, hostEntry -> h_name, nameLength);
 
diff --git a/win32.c b/win32.c
index b2ff017..2300071 100644
--- a/win32.c
+++ b/win32.c
@@ -60,7 +60,13 @@ enet_address_set_host (ENetAddress * address, const char * name)
     hostEntry = gethostbyname (name);
     if (hostEntry == NULL ||
         hostEntry -> h_addrtype != AF_INET)
-      return -1;
+    {
+        unsigned long host = inet_addr (name);
+        if (host == INADDR_NONE)
+            return -1;
+        address -> host = host;
+        return 0;
+    }
 
     address -> host = * (enet_uint32 *) hostEntry -> h_addr_list [0];
 
@@ -77,7 +83,13 @@ enet_address_get_host (const ENetAddress * address, char * name, size_t nameLeng
     
     hostEntry = gethostbyaddr ((char *) & in, sizeof (struct in_addr), AF_INET);
     if (hostEntry == NULL)
-      return -1;
+    {
+        char * addr = inet_ntoa (* (struct in_addr *) & address -> host);
+        if (addr == NULL)
+            return -1;
+        strncpy (name, addr, nameLength);
+        return 0;
+    }
 
     strncpy (name, hostEntry -> h_name, nameLength);
 
@@ -151,7 +163,7 @@ enet_socket_connect (ENetSocket socket, const ENetAddress * address)
 ENetSocket
 enet_socket_accept (ENetSocket socket, ENetAddress * address)
 {
-    int result;
+    SOCKET result;
     struct sockaddr_in sin;
     int sinLength = sizeof (struct sockaddr_in);
 
@@ -159,7 +171,7 @@ enet_socket_accept (ENetSocket socket, ENetAddress * address)
                      address != NULL ? (struct sockaddr *) & sin : NULL, 
                      address != NULL ? & sinLength : NULL);
 
-    if (result == -1)
+    if (result == INVALID_SOCKET)
       return ENET_SOCKET_NULL;
 
     if (address != NULL)