483 lines
12 KiB
C
483 lines
12 KiB
C
/*
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* OLE2DISP library
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*
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* Copyright 1995 Martin von Loewis
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "ole2.h"
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#include "oleauto.h"
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#include "winerror.h"
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#include "wownt32.h"
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#include "wine/windef16.h"
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#include "wine/winbase16.h"
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#include "ole2disp.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ole);
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#define E_OUTOFMEMORY16 MAKE_SCODE(SEVERITY_ERROR, FACILITY_NULL, 2)
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#define E_INVALIDARG16 MAKE_SCODE(SEVERITY_ERROR, FACILITY_NULL, 3)
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/* 16-bit SAFEARRAY implementation */
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typedef struct tagSAFEARRAYBOUND16
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{
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ULONG cElements;
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LONG lLbound;
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} SAFEARRAYBOUND16;
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typedef struct tagSAFEARRAY16
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{
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USHORT cDims;
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USHORT fFeatures;
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USHORT cbElements;
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USHORT cLocks;
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ULONG handle;
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SEGPTR pvData;
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SAFEARRAYBOUND16 rgsabound[1];
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} SAFEARRAY16;
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static SEGPTR safearray_alloc(ULONG size)
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{
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HANDLE16 h;
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return WOWGlobalAllocLock16(GPTR, size, &h);
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}
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static void safearray_free(SEGPTR ptr)
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{
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WOWGlobalUnlockFree16(ptr);
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}
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static ULONG safearray_getcellcount(const SAFEARRAY16 *sa)
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{
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const SAFEARRAYBOUND16 *sab = sa->rgsabound;
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USHORT count = sa->cDims;
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ULONG cells = 1;
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while (count--)
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{
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if (!sab->cElements)
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return 0;
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cells *= sab->cElements;
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sab++;
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}
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return cells;
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}
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static HRESULT safearray_lock(SAFEARRAY16 *sa)
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{
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if (sa->cLocks == 0xffff)
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return E_UNEXPECTED;
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sa->cLocks++;
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return S_OK;
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}
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/******************************************************************************
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* SafeArrayGetDim [OLE2DISP.17]
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*/
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USHORT WINAPI SafeArrayGetDim16(SAFEARRAY16 *sa)
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{
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TRACE("(%p)\n", sa);
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return sa->cDims;
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}
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/******************************************************************************
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* SafeArrayGetElemsize [OLE2DISP.18]
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*/
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USHORT WINAPI SafeArrayGetElemsize16(SAFEARRAY16 *sa)
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{
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TRACE("(%p)\n", sa);
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return sa->cbElements;
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}
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/******************************************************************************
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* SafeArrayLock [OLE2DISP.21]
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*/
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HRESULT WINAPI SafeArrayLock16(SAFEARRAY16 *sa)
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{
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TRACE("(%p)\n", sa);
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if (!sa)
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return E_INVALIDARG16;
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return safearray_lock(sa);
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}
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/******************************************************************************
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* SafeArrayUnlock [OLE2DISP.22]
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*/
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HRESULT WINAPI SafeArrayUnlock16(SAFEARRAY16 *sa)
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{
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TRACE("(%p)\n", sa);
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if (!sa)
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return E_INVALIDARG16;
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if (sa->cLocks == 0)
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return E_UNEXPECTED;
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sa->cLocks--;
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return S_OK;
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}
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/******************************************************************************
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* SafeArrayAccessData [OLE2DISP.23]
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*/
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HRESULT WINAPI SafeArrayAccessData16(SAFEARRAY16 *sa, SEGPTR *data)
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{
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HRESULT hr;
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TRACE("(%p, %p)\n", sa, data);
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/* arguments are not tested, it crashes if any of them is NULL */
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hr = safearray_lock(sa);
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if (FAILED(hr))
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return hr;
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*data = sa->pvData;
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return S_OK;
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}
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/******************************************************************************
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* SafeArrayUnaccessData [OLE2DISP.24]
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*/
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HRESULT WINAPI SafeArrayUnaccessData16(SAFEARRAY16 *sa)
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{
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TRACE("(%p)\n", sa);
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return SafeArrayUnlock16(sa);
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}
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/******************************************************************************
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* SafeArrayAllocDescriptor [OLE2DISP.38]
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*/
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HRESULT WINAPI SafeArrayAllocDescriptor16(UINT16 dims, SEGPTR *ret)
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{
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SAFEARRAY16 *sa;
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ULONG size;
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TRACE("%u, %p\n", dims, ret);
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if (!dims)
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return E_INVALIDARG16;
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size = sizeof(SAFEARRAY16) + sizeof(SAFEARRAYBOUND16) * (dims - 1);
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*ret = safearray_alloc(size);
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if (!*ret)
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return E_OUTOFMEMORY16;
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sa = MapSL(*ret);
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sa->cDims = dims;
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return S_OK;
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}
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/******************************************************************************
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* SafeArrayAllocData [OLE2DISP.39]
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*/
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HRESULT WINAPI SafeArrayAllocData16(SAFEARRAY16 *sa)
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{
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ULONG size;
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TRACE("%p\n", sa);
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if (!sa)
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return E_INVALIDARG16;
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size = safearray_getcellcount(sa);
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sa->pvData = safearray_alloc(size * sa->cbElements);
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return sa->pvData ? S_OK : E_OUTOFMEMORY16;
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}
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/******************************************************************************
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* SafeArrayDestroyDescriptor [OLE2DISP.40]
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*/
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HRESULT WINAPI SafeArrayDestroyDescriptor16(SEGPTR s)
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{
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TRACE("0x%08x\n", s);
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if (s)
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{
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SAFEARRAY16 *sa = MapSL(s);
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if (sa->cLocks)
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return DISP_E_ARRAYISLOCKED;
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safearray_free(s);
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}
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return S_OK;
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}
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/* This implementation of the BSTR API is 16-bit only. It
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represents BSTR as a 16:16 far pointer, and the strings
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as ISO-8859 */
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/******************************************************************************
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* BSTR_AllocBytes [Internal]
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*/
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static BSTR16 BSTR_AllocBytes(int n)
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{
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void *ptr = HeapAlloc( GetProcessHeap(), 0, n );
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return (BSTR16)MapLS(ptr);
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}
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/******************************************************************************
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* BSTR_Free [INTERNAL]
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*/
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static void BSTR_Free(BSTR16 in)
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{
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void *ptr = MapSL( (SEGPTR)in );
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UnMapLS( (SEGPTR)in );
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HeapFree( GetProcessHeap(), 0, ptr );
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}
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/******************************************************************************
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* BSTR_GetAddr [INTERNAL]
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*/
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static void* BSTR_GetAddr(BSTR16 in)
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{
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return in ? MapSL((SEGPTR)in) : 0;
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}
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/******************************************************************************
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* SysAllocString [OLE2DISP.2]
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*
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* Create a BSTR16 from an OLESTR16 (16 Bit).
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*
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* PARAMS
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* oleStr [I] Source to create BSTR16 from
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*
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* RETURNS
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* Success: A BSTR16 allocated with SysAllocStringLen16().
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* Failure: NULL, if oleStr is NULL.
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*/
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BSTR16 WINAPI SysAllocString16(LPCOLESTR16 oleStr)
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{
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BSTR16 out;
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if (!oleStr) return 0;
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out = BSTR_AllocBytes(strlen(oleStr)+1);
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if (!out) return 0;
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strcpy(BSTR_GetAddr(out),oleStr);
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return out;
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}
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/******************************************************************************
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* SysReallocString [OLE2DISP.3]
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*
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* Change the length of a previously created BSTR16 (16 Bit).
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*
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* PARAMS
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* pbstr [I] BSTR16 to change the length of
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* oleStr [I] New source for pbstr
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*
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* RETURNS
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* Success: 1
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* Failure: 0.
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*
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* NOTES
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* SysAllocStringStringLen16().
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*/
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INT16 WINAPI SysReAllocString16(LPBSTR16 pbstr,LPCOLESTR16 oleStr)
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{
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BSTR16 new=SysAllocString16(oleStr);
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BSTR_Free(*pbstr);
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*pbstr=new;
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return 1;
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}
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/******************************************************************************
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* SysAllocStringLen [OLE2DISP.4]
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*
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* Create a BSTR16 from an OLESTR16 of a given character length (16 Bit).
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*
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* PARAMS
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* oleStr [I] Source to create BSTR16 from
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* len [I] Length of oleStr in wide characters
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*
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* RETURNS
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* Success: A newly allocated BSTR16 from SysAllocStringByteLen16()
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* Failure: NULL, if len is >= 0x80000000, or memory allocation fails.
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*
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* NOTES
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* See SysAllocStringByteLen16().
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*/
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BSTR16 WINAPI SysAllocStringLen16(const char *oleStr, int len)
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{
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BSTR16 out=BSTR_AllocBytes(len+1);
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if (!out)
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return 0;
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/*
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* Copy the information in the buffer.
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* Since it is valid to pass a NULL pointer here, we'll initialize the
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* buffer to nul if it is the case.
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*/
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if (oleStr != 0)
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strcpy(BSTR_GetAddr(out),oleStr);
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else
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memset(BSTR_GetAddr(out), 0, len+1);
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return out;
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}
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/******************************************************************************
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* SysReAllocStringLen [OLE2DISP.5]
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*
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* Change the length of a previously created BSTR16 (16 Bit).
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*
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* PARAMS
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* pbstr [I] BSTR16 to change the length of
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* oleStr [I] New source for pbstr
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* len [I] Length of oleStr in characters
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*
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* RETURNS
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* Success: 1. The size of pbstr is updated.
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* Failure: 0, if len >= 0x8000 or memory allocation fails.
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*
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* NOTES
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* See SysAllocStringByteLen16().
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* *pbstr may be changed by this function.
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*/
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int WINAPI SysReAllocStringLen16(BSTR16 *old,const char *in,int len)
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{
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/* FIXME: Check input length */
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BSTR16 new=SysAllocStringLen16(in,len);
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BSTR_Free(*old);
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*old=new;
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return 1;
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}
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/******************************************************************************
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* SysFreeString [OLE2DISP.6]
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*
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* Free a BSTR16 (16 Bit).
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*
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* PARAMS
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* str [I] String to free.
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*
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* RETURNS
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* Nothing.
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*/
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void WINAPI SysFreeString16(BSTR16 str)
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{
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BSTR_Free(str);
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}
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/******************************************************************************
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* SysStringLen [OLE2DISP.7]
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*
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* Get the allocated length of a BSTR16 in characters (16 Bit).
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*
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* PARAMS
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* str [I] BSTR16 to find the length of
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*
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* RETURNS
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* The allocated length of str, or 0 if str is NULL.
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*/
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int WINAPI SysStringLen16(BSTR16 str)
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{
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return strlen(BSTR_GetAddr(str));
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}
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/******************************************************************************
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* VariantChangeType [OLE2DISP.12]
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*/
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HRESULT WINAPI VariantChangeType16(VARIANTARG *vargDest, VARIANTARG *varSrc, unsigned short flags, VARTYPE vt)
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{
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FIXME("stub: (%p, %p, %d, %d)\n", vargDest, varSrc, flags, vt);
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return E_NOTIMPL;
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}
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/******************************************************************************
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* CreateDispTypeInfo [OLE2DISP.31]
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*/
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HRESULT WINAPI CreateDispTypeInfo16(
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INTERFACEDATA *pidata,
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LCID lcid,
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ITypeInfo **pptinfo)
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{
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FIXME("(%p,%d,%p),stub\n",pidata,lcid,pptinfo);
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return E_NOTIMPL;
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}
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/******************************************************************************
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* CreateStdDispatch [OLE2DISP.32]
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*/
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HRESULT WINAPI CreateStdDispatch16(
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IUnknown* punkOuter,
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void* pvThis,
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ITypeInfo* ptinfo,
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IUnknown** ppunkStdDisp)
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{
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FIXME("(%p,%p,%p,%p),stub\n",punkOuter, pvThis, ptinfo,
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ppunkStdDisp);
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return 0;
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}
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/******************************************************************************
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* RegisterActiveObject [OLE2DISP.35]
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*/
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HRESULT WINAPI RegisterActiveObject16(
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IUnknown *punk, REFCLSID rclsid, DWORD dwFlags, unsigned long *pdwRegister
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) {
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FIXME("(%p,%s,0x%08x,%p):stub\n",punk,debugstr_guid(rclsid),dwFlags,pdwRegister);
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return E_NOTIMPL;
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}
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/******************************************************************************
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* VariantChangeTypeEx [OLE2DISP.108]
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*/
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HRESULT WINAPI VariantChangeTypeEx16(VARIANTARG *dest, const VARIANTARG *src, LCID lcid, USHORT flags, VARTYPE vt)
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{
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FIXME("stub: %p %p %d %d %d\n", dest, src, lcid, flags, vt);
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return E_INVALIDARG;
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}
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/******************************************************************************
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* SetErrorInfo [OLE2DISP.110]
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*/
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HRESULT WINAPI SetErrorInfo16(ULONG dwReserved, IErrorInfo *perrinfo)
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{
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FIXME("stub: (%d, %p)\n", dwReserved, perrinfo);
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return E_INVALIDARG;
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}
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/******************************************************************************
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* VariantInit [OLE2DISP.8]
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*/
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void WINAPI VariantInit16(VARIANTARG16 *v)
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{
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TRACE("(%p)\n", v);
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v->vt = VT_EMPTY;
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}
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