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259 lines
6.5 KiB
C
259 lines
6.5 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 "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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/* 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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* 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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* 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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