wine/dlls/ole2disp.dll16/ole2disp.c
Nikolay Sivov cfbac8d2ed ole2disp: Implement SafeArrayAccessData()/SafeArrayUnaccessData().
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2016-01-15 15:10:53 +09:00

483 lines
12 KiB
C

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