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https://github.com/reactos/wine.git
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118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 2002 Mike McCormack for CodeWeavers
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winreg.h"
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#include "shlwapi.h"
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#include "wine/debug.h"
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#include "msi.h"
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#include "msiquery.h"
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#include "msipriv.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msi);
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MSIHANDLEINFO *msihandletable[MSIMAXHANDLES];
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MSIHANDLE alloc_msihandle(UINT type, UINT size, msihandledestructor destroy)
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{
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MSIHANDLEINFO *info;
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UINT i;
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/* find a slot */
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for(i=0; i<MSIMAXHANDLES; i++)
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if( !msihandletable[i] )
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break;
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if( (i>=MSIMAXHANDLES) || msihandletable[i] )
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return 0;
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size += sizeof (MSIHANDLEINFO);
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info = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size );
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if( !info )
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return 0;
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info->magic = MSIHANDLE_MAGIC;
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info->type = type;
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info->destructor = destroy;
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msihandletable[i] = info;
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return (MSIHANDLE) (i+1);
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}
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void *msihandle2msiinfo(MSIHANDLE handle, UINT type)
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{
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handle--;
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if( handle<0 )
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return NULL;
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if( handle>=MSIMAXHANDLES )
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return NULL;
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if( !msihandletable[handle] )
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return NULL;
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if( msihandletable[handle]->magic != MSIHANDLE_MAGIC )
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return NULL;
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if( type && (msihandletable[handle]->type != type) )
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return NULL;
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return &msihandletable[handle][1];
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}
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UINT WINAPI MsiCloseHandle(MSIHANDLE handle)
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{
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MSIHANDLEINFO *info = msihandle2msiinfo(handle, 0);
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TRACE("%lx\n",handle);
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if( !info )
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return ERROR_INVALID_HANDLE;
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info--;
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if( info->magic != MSIHANDLE_MAGIC )
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{
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ERR("Invalid handle!\n");
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return ERROR_INVALID_HANDLE;
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}
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if( info->destructor )
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info->destructor( &info[1] );
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HeapFree( GetProcessHeap(), 0, info );
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msihandletable[handle-1] = NULL;
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TRACE("Destroyed\n");
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return 0;
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}
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UINT WINAPI MsiCloseAllHandles(void)
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{
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UINT i;
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TRACE("\n");
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for(i=0; i<MSIMAXHANDLES; i++)
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MsiCloseHandle( i+1 );
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return 0;
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}
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