425 lines
11 KiB
C
425 lines
11 KiB
C
/*
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* Copyright 2012 Hans Leidekker 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include "config.h"
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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 "wbemcli.h"
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#include "wine/debug.h"
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#include "wbemprox_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);
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HRESULT get_column_index( const struct table *table, const WCHAR *name, UINT *column )
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{
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UINT i;
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for (i = 0; i < table->num_cols; i++)
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{
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if (!strcmpiW( table->columns[i].name, name ))
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{
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*column = i;
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return S_OK;
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}
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}
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return WBEM_E_INVALID_QUERY;
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}
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UINT get_type_size( CIMTYPE type )
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{
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if (type & CIM_FLAG_ARRAY) return sizeof(void *);
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switch (type)
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{
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case CIM_BOOLEAN:
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return sizeof(int);
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case CIM_SINT16:
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case CIM_UINT16:
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return sizeof(INT16);
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case CIM_SINT32:
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case CIM_UINT32:
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return sizeof(INT32);
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case CIM_SINT64:
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case CIM_UINT64:
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return sizeof(INT64);
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case CIM_DATETIME:
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case CIM_STRING:
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return sizeof(WCHAR *);
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default:
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ERR("unhandled type %u\n", type);
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break;
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}
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return sizeof(LONGLONG);
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}
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static UINT get_column_size( const struct table *table, UINT column )
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{
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return get_type_size( table->columns[column].type & COL_TYPE_MASK );
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}
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static UINT get_column_offset( const struct table *table, UINT column )
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{
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UINT i, offset = 0;
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for (i = 0; i < column; i++) offset += get_column_size( table, i );
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return offset;
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}
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static UINT get_row_size( const struct table *table )
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{
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return get_column_offset( table, table->num_cols - 1 ) + get_column_size( table, table->num_cols - 1 );
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}
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HRESULT get_value( const struct table *table, UINT row, UINT column, LONGLONG *val )
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{
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UINT col_offset, row_size;
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const BYTE *ptr;
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col_offset = get_column_offset( table, column );
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row_size = get_row_size( table );
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ptr = table->data + row * row_size + col_offset;
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if (table->columns[column].type & CIM_FLAG_ARRAY)
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{
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*val = (INT_PTR)*(const void **)ptr;
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return S_OK;
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}
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switch (table->columns[column].type & COL_TYPE_MASK)
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{
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case CIM_BOOLEAN:
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*val = *(const int *)ptr;
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break;
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case CIM_DATETIME:
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case CIM_STRING:
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*val = (INT_PTR)*(const WCHAR **)ptr;
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break;
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case CIM_SINT16:
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*val = *(const INT16 *)ptr;
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break;
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case CIM_UINT16:
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*val = *(const UINT16 *)ptr;
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break;
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case CIM_SINT32:
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*val = *(const INT32 *)ptr;
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break;
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case CIM_UINT32:
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*val = *(const UINT32 *)ptr;
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break;
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case CIM_SINT64:
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*val = *(const INT64 *)ptr;
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break;
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case CIM_UINT64:
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*val = *(const UINT64 *)ptr;
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break;
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default:
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ERR("invalid column type %u\n", table->columns[column].type & COL_TYPE_MASK);
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*val = 0;
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break;
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}
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return S_OK;
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}
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BSTR get_value_bstr( const struct table *table, UINT row, UINT column )
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{
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static const WCHAR fmt_signedW[] = {'%','d',0};
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static const WCHAR fmt_unsignedW[] = {'%','u',0};
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static const WCHAR fmt_signed64W[] = {'%','I','6','4','d',0};
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static const WCHAR fmt_unsigned64W[] = {'%','I','6','4','u',0};
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static const WCHAR fmt_strW[] = {'\"','%','s','\"',0};
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static const WCHAR trueW[] = {'T','R','U','E',0};
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static const WCHAR falseW[] = {'F','A','L','S','E',0};
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LONGLONG val;
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BSTR ret;
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WCHAR number[22];
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UINT len;
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if (table->columns[column].type & CIM_FLAG_ARRAY)
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{
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FIXME("array to string conversion not handled\n");
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return NULL;
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}
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if (get_value( table, row, column, &val ) != S_OK) return NULL;
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switch (table->columns[column].type & COL_TYPE_MASK)
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{
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case CIM_BOOLEAN:
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if (val) return SysAllocString( trueW );
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else return SysAllocString( falseW );
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case CIM_DATETIME:
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case CIM_STRING:
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len = strlenW( (const WCHAR *)(INT_PTR)val ) + 2;
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if (!(ret = SysAllocStringLen( NULL, len ))) return NULL;
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sprintfW( ret, fmt_strW, (const WCHAR *)(INT_PTR)val );
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return ret;
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case CIM_SINT16:
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case CIM_SINT32:
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sprintfW( number, fmt_signedW, val );
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return SysAllocString( number );
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case CIM_UINT16:
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case CIM_UINT32:
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sprintfW( number, fmt_unsignedW, val );
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return SysAllocString( number );
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case CIM_SINT64:
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wsprintfW( number, fmt_signed64W, val );
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return SysAllocString( number );
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case CIM_UINT64:
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wsprintfW( number, fmt_unsigned64W, val );
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return SysAllocString( number );
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default:
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FIXME("unhandled column type %u\n", table->columns[column].type & COL_TYPE_MASK);
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break;
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}
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return NULL;
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}
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HRESULT set_value( const struct table *table, UINT row, UINT column, LONGLONG val,
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CIMTYPE type )
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{
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UINT col_offset, row_size;
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BYTE *ptr;
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if ((table->columns[column].type & COL_TYPE_MASK) != type) return WBEM_E_TYPE_MISMATCH;
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col_offset = get_column_offset( table, column );
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row_size = get_row_size( table );
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ptr = table->data + row * row_size + col_offset;
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switch (table->columns[column].type & COL_TYPE_MASK)
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{
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case CIM_DATETIME:
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case CIM_STRING:
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*(WCHAR **)ptr = (WCHAR *)(INT_PTR)val;
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break;
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case CIM_SINT16:
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*(INT16 *)ptr = val;
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break;
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case CIM_UINT16:
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*(UINT16 *)ptr = val;
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break;
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case CIM_SINT32:
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*(INT32 *)ptr = val;
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break;
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case CIM_UINT32:
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*(UINT32 *)ptr = val;
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break;
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case CIM_SINT64:
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*(INT64 *)ptr = val;
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break;
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case CIM_UINT64:
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*(UINT64 *)ptr = val;
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break;
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default:
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FIXME("unhandled column type %u\n", type);
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return WBEM_E_FAILED;
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}
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return S_OK;
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}
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HRESULT get_method( const struct table *table, const WCHAR *name, class_method **func )
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{
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UINT i, j;
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for (i = 0; i < table->num_rows; i++)
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{
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for (j = 0; j < table->num_cols; j++)
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{
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if (table->columns[j].type & COL_FLAG_METHOD && !strcmpW( table->columns[j].name, name ))
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{
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HRESULT hr;
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LONGLONG val;
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if ((hr = get_value( table, i, j, &val )) != S_OK) return hr;
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*func = (class_method *)(INT_PTR)val;
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return S_OK;
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}
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}
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}
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return WBEM_E_INVALID_METHOD;
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}
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static void clear_table( struct table *table )
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{
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UINT i, j, type;
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LONGLONG val;
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if (!table->data) return;
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for (i = 0; i < table->num_rows; i++)
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{
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for (j = 0; j < table->num_cols; j++)
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{
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if (!(table->columns[j].type & COL_FLAG_DYNAMIC)) continue;
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type = table->columns[j].type & COL_TYPE_MASK;
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if (type == CIM_STRING || type == CIM_DATETIME || (type & CIM_FLAG_ARRAY))
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{
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if (get_value( table, i, j, &val ) == S_OK) heap_free( (void *)(INT_PTR)val );
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}
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}
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}
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if (table->fill)
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{
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table->num_rows = 0;
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heap_free( table->data );
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table->data = NULL;
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}
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}
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void free_columns( struct column *columns, UINT num_cols )
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{
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UINT i;
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for (i = 0; i < num_cols; i++)
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{
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heap_free( (WCHAR *)columns[i].name );
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}
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heap_free( columns );
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}
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void free_table( struct table *table )
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{
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if (!table) return;
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clear_table( table );
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if (table->flags & TABLE_FLAG_DYNAMIC)
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{
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TRACE("destroying %p\n", table);
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heap_free( (WCHAR *)table->name );
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free_columns( (struct column *)table->columns, table->num_cols );
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list_remove( &table->entry );
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heap_free( table );
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}
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}
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void release_table( struct table *table )
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{
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if (!InterlockedDecrement( &table->refs )) free_table( table );
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}
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struct table *grab_table( const WCHAR *name )
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{
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struct table *table;
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LIST_FOR_EACH_ENTRY( table, table_list, struct table, entry )
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{
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if (!strcmpiW( table->name, name ))
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{
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if (table->fill && !table->data) table->fill( table );
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InterlockedIncrement( &table->refs );
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TRACE("returning %p\n", table);
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return table;
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}
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}
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return NULL;
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}
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struct table *create_table( const WCHAR *name, UINT num_cols, const struct column *columns,
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UINT num_rows, BYTE *data, void (*fill)(struct table *) )
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{
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struct table *table;
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if (!(table = heap_alloc( sizeof(*table) ))) return NULL;
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table->name = heap_strdupW( name );
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table->num_cols = num_cols;
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table->columns = columns;
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table->num_rows = num_rows;
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table->data = data;
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table->fill = fill;
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table->flags = TABLE_FLAG_DYNAMIC;
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table->refs = 0;
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list_init( &table->entry );
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return table;
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}
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BOOL add_table( struct table *table )
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{
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struct table *iter;
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LIST_FOR_EACH_ENTRY( iter, table_list, struct table, entry )
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{
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if (!strcmpiW( iter->name, table->name ))
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{
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TRACE("table %s already exists\n", debugstr_w(table->name));
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return FALSE;
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}
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}
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list_add_tail( table_list, &table->entry );
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TRACE("added %p\n", table);
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return TRUE;
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}
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BSTR get_method_name( const WCHAR *class, UINT index )
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{
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struct table *table;
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UINT i, count = 0;
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BSTR ret;
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if (!(table = grab_table( class ))) return NULL;
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for (i = 0; i < table->num_cols; i++)
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{
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if (table->columns[i].type & COL_FLAG_METHOD)
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{
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if (index == count)
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{
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ret = SysAllocString( table->columns[i].name );
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release_table( table );
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return ret;
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}
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count++;
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}
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}
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release_table( table );
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return NULL;
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}
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BSTR get_property_name( const WCHAR *class, UINT index )
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{
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struct table *table;
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UINT i, count = 0;
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BSTR ret;
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if (!(table = grab_table( class ))) return NULL;
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for (i = 0; i < table->num_cols; i++)
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{
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if (!(table->columns[i].type & COL_FLAG_METHOD))
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{
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if (index == count)
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{
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ret = SysAllocString( table->columns[i].name );
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release_table( table );
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return ret;
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}
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count++;
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}
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}
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release_table( table );
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return NULL;
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}
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