/* * 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; }