Added implementation for WSARecvEx function. This is a Microsoft

if1632/winsock.spec

@@ -59,5 +59,6 @@ type	win16
 115 pascal   WSAStartup(word ptr) WSAStartup16
 116 pascal   WSACleanup() WSACleanup
 151 pascal16 __WSAFDIsSet(word ptr) __WSAFDIsSet16
+1107 pascal16 WSARecvEx(word ptr word ptr) WSARecvEx16
 
 1999 pascal DllEntryPoint(long word word word long word) WINSOCK_LibMain

include/winsock.h

@@ -257,6 +257,10 @@ typedef struct WSAData {
 #endif
 #define MSG_MAXIOVLEN   16
 
+#ifndef MSG_PARTIAL
+#define MSG_PARTIAL     0x8000 /* partial send or recv (WSARecvEx) */
+#endif
+
 /*
  * Define constant based on rfc883, used by gethostbyxxxx() calls.
  */
@@ -433,6 +437,8 @@ INT     WINAPI WSACancelAsyncRequest(HANDLE hAsyncTaskHandle);
 INT16     WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, LONG lEvent);
 INT     WINAPI WSAAsyncSelect(SOCKET s, HWND hWnd, UINT uMsg, LONG lEvent);
 
+INT16     WINAPI WSARecvEx16(SOCKET16 s, char *buf, INT16 len, INT16 *flags);
+INT     WINAPI   WSARecvEx(SOCKET s, char *buf, INT len, INT *flags);
 
 /*
  * Address families

misc/winsock.c

@@ -2185,6 +2185,34 @@ INT16 WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, LONG lEvent)
     return (INT16)WSAAsyncSelect( s, hWnd, wMsg, lEvent );
 }
 
+/***********************************************************************
+ *		WSARecvEx()			(WSOCK32.1107)
+ *
+ * WSARecvEx is a Microsoft specific extension to winsock that is identical to recv
+ * except that has an in/out argument call flags that has the value MSG_PARTIAL ored
+ * into the flags parameter when a partial packet is read. This only applies to
+ * sockets using the datagram protocol. This method does not seem to be implemented
+ * correctly by microsoft as the winsock implementation does not set the MSG_PARTIAL
+ * flag when a fragmented packet arrives.
+ */
+INT     WINAPI   WSARecvEx(SOCKET s, char *buf, INT len, INT *flags) {
+  FIXME("(WSARecvEx) partial packet return value not set \n");
+
+  return WINSOCK_recv(s, buf, len, *flags);
+}
+
+
+/***********************************************************************
+ *              WSARecvEx16()			(WINSOCK.1107)
+ *
+ * See description for WSARecvEx()
+ */
+INT16     WINAPI WSARecvEx16(SOCKET16 s, char *buf, INT16 len, INT16 *flags) {
+  FIXME("(WSARecvEx16) partial packet return value not set \n");
+
+  return WINSOCK_recv16(s, buf, len, *flags);
+}
+
 
 /***********************************************************************
  *	__WSAFDIsSet()			(WINSOCK.151)

relay32/wsock32.spec

@@ -61,7 +61,7 @@ init	WSOCK32_LibMain
 #1104 stub rresvport
 #1105 stub sethostname
 #1106 stub dn_expand
-1107 stub WSARecvEx
+1107 stdcall WSARecvEx(long ptr long ptr) WSARecvEx
 1108 stdcall s_perror(str) WS_s_perror
 1109 stub GetAddressByNameA
 1110 stub GetAddressByNameW