Alexandre Julliard : rpcrt4: Retrieve the stack argument pointer in a more portable way in NdrMesProcEncodeDecode .

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 0abc475365b9842b5e9d704aec0ee251af4f190e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=0abc475365b9842b5e9d704aec0ee251af4f190e

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Wed Sep  1 12:31:22 2010 +0200

rpcrt4: Retrieve the stack argument pointer in a more portable way in NdrMesProcEncodeDecode.

---

 dlls/rpcrt4/ndr_es.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/dlls/rpcrt4/ndr_es.c b/dlls/rpcrt4/ndr_es.c
index 52200dc..9a56939 100644
--- a/dlls/rpcrt4/ndr_es.c
+++ b/dlls/rpcrt4/ndr_es.c
@@ -332,6 +332,7 @@ void WINAPIV NdrMesProcEncodeDecode(handle_t Handle, const MIDL_STUB_DESC * pStu
     /* the value to return to the client from the remote procedure */
     LONG_PTR RetVal = 0;
     const RPC_CLIENT_INTERFACE *client_interface;
+    __ms_va_list args;
 
     TRACE("Handle %p, pStubDesc %p, pFormat %p, ...\n", Handle, pStubDesc, pFormat);
 
@@ -396,11 +397,9 @@ void WINAPIV NdrMesProcEncodeDecode(handle_t Handle, const MIDL_STUB_DESC * pStu
     TRACE("MIDL stub version = 0x%x\n", pStubDesc->MIDLVersion);
 
     /* needed for conformance of top-level objects */
-#ifdef __i386__
-    pEsMsg->StubMsg.StackTop = *(unsigned char **)(&pFormat+1);
-#else
-# warning Stack not retrieved for your CPU architecture
-#endif
+    __ms_va_start( args, pFormat );
+    pEsMsg->StubMsg.StackTop = va_arg( args, unsigned char * );
+    __ms_va_end( args );
 
     switch (pEsMsg->Operation)
     {