david - WSA functions

2 files changed, 62 insertions, 0 deletions

diff --git a/src/win32_compatibility.cpp b/src/win32_compatibility.cpp
index 0ef3abc..083925b 100644
--- a/src/win32_compatibility.cpp
+++ b/src/win32_compatibility.cpp
@@ -2,6 +2,59 @@
 
 #ifdef WIN32
 
+typedef int (__cdecl *FNDEF_DYN_WSAStartup)(WORD,LPWSADATA);
+int DynamicWinsock2::WSAStartup(
+        WORD wVersionRequested,LPWSADATA lpWSAData)
+{
+        int out=0;
+        HINSTANCE Ws2_32 = LoadLibrary(TEXT("WS2_32.DLL"));
+        printf("ws2_32 dll: %08x\n", (int) Ws2_32);
+        if( Ws2_32 != NULL )
+        {
+                FNDEF_DYN_WSAStartup fn = (FNDEF_DYN_WSAStartup)
+                        GetProcAddress( Ws2_32, "WSAStartup" );
+                printf("WSAStartup function pointer: %08x\n", (int)fn);
+                if( fn != NULL )
+                        out = (fn)(wVersionRequested,lpWSAData);
+        }
+        return out;
+}
+
+typedef int (__cdecl *FNDEF_DYN_WSACleanup)();
+int DynamicWinsock2::WSACleanup()
+{
+        int out=0;
+        HINSTANCE Ws2_32 = LoadLibrary(TEXT("WS2_32.DLL"));
+        printf("ws2_32 dll: %08x\n", (int) Ws2_32);
+        if( Ws2_32 != NULL )
+        {
+                FNDEF_DYN_WSACleanup fn = (FNDEF_DYN_WSACleanup)
+                        GetProcAddress( Ws2_32, "WSACleanup" );
+                printf("WSACleanup function pointer: %08x\n", (int)fn);
+                if( fn != NULL )
+                        out = (fn)();
+        }
+        return out;
+}
+
+//typedef char * (__cdecl *FNDEF_DYN_gai_strerrorA)( int ecode );
+typedef int (__cdecl *FNDEF_DYN_WSAGetLastError)(void);
+int DynamicWinsock2::WSAGetLastError()
+{
+        int out=0;
+        HINSTANCE Ws2_32 = LoadLibrary(TEXT("WS2_32.DLL"));
+        printf("ws2_32 dll: %08x\n", (int) Ws2_32);
+        if( Ws2_32 != NULL )
+        {
+                FNDEF_DYN_WSAGetLastError fn = (FNDEF_DYN_WSAGetLastError)
+                        GetProcAddress( Ws2_32, "WSAGetLastError" );
+                printf("WSAGetLastError function pointer: %08x\n", (int)fn);
+                if( fn != NULL )
+                        out = (fn)();
+        }
+        return out;
+}
+
 typedef char * (__cdecl *FNDEF_DYN_inet_ntoa)( struct in_addr );
 void DynamicWinsock2::inet_ntoa( Bu::FString &out, struct in_addr addr_in )
 {
diff --git a/src/win32_compatibility.h b/src/win32_compatibility.h
index 8bf3a00..72cb4f7 100644
--- a/src/win32_compatibility.h
+++ b/src/win32_compatibility.h
@@ -16,8 +16,14 @@
 
 #ifdef WIN32
 
+#ifdef __cplusplus
+extern "C" 
+{
 #include <Winsock2.h>
 #include <ws2tcpip.h>
+}
+#endif
+
 #include "fstring.h"
 
 #ifndef TEMP_FAILURE_RETRY
@@ -33,6 +39,9 @@ __extension__ typedef int socklen_t;
 
 namespace DynamicWinsock2
 {
+        int WSAStartup(WORD wVersionRequested,LPWSADATA lpWSAData);
+        int WSACleanup(void);
+        int WSAGetLastError();
         void inet_ntoa( Bu::FString &out, struct in_addr addr_in );
         unsigned long inet_addr( const char *s_in );
         int select(int nfds, fd_set *readfds, fd_set *writefds,