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https://github.com/reactos/reactos.git
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554 lines
13 KiB
C
554 lines
13 KiB
C
/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 2008 James Hawkins
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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 <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "ole2.h"
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#include "msi.h"
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#include "msiquery.h"
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#include "objbase.h"
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#include "msipriv.h"
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#include "query.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msidb);
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#define NUM_STORAGES_COLS 2
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#define MAX_STORAGES_NAME_LEN 62
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typedef struct tabSTORAGE
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{
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UINT str_index;
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IStorage *storage;
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} STORAGE;
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typedef struct tagMSISTORAGESVIEW
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{
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MSIVIEW view;
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MSIDATABASE *db;
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STORAGE **storages;
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UINT max_storages;
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UINT num_rows;
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UINT row_size;
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} MSISTORAGESVIEW;
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static BOOL storages_set_table_size(MSISTORAGESVIEW *sv, UINT size)
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{
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if (size >= sv->max_storages)
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{
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sv->max_storages *= 2;
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sv->storages = msi_realloc(sv->storages, sv->max_storages * sizeof(STORAGE *));
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if (!sv->storages)
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return FALSE;
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}
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return TRUE;
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}
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static STORAGE *create_storage(MSISTORAGESVIEW *sv, LPCWSTR name, IStorage *stg)
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{
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STORAGE *storage;
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storage = msi_alloc(sizeof(STORAGE));
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if (!storage)
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return NULL;
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storage->str_index = msi_add_string(sv->db->strings, name, -1, StringNonPersistent);
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storage->storage = stg;
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if (storage->storage)
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IStorage_AddRef(storage->storage);
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return storage;
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}
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static UINT STORAGES_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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TRACE("(%p, %d, %d, %p)\n", view, row, col, val);
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if (col != 1)
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return ERROR_INVALID_PARAMETER;
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if (row >= sv->num_rows)
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return ERROR_NO_MORE_ITEMS;
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*val = sv->storages[row]->str_index;
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return ERROR_SUCCESS;
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}
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static UINT STORAGES_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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TRACE("(%p, %d, %d, %p)\n", view, row, col, stm);
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if (row >= sv->num_rows)
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return ERROR_FUNCTION_FAILED;
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return ERROR_INVALID_DATA;
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}
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static UINT STORAGES_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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FIXME("%p %d %p\n", sv, row, rec);
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return ERROR_CALL_NOT_IMPLEMENTED;
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}
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static HRESULT stream_to_storage(IStream *stm, IStorage **stg)
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{
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ILockBytes *lockbytes = NULL;
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STATSTG stat;
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LPVOID data;
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HRESULT hr;
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DWORD size, read;
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ULARGE_INTEGER offset;
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hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
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if (FAILED(hr))
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return hr;
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if (stat.cbSize.QuadPart >> 32)
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{
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ERR("Storage is too large\n");
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return E_FAIL;
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}
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size = stat.cbSize.QuadPart;
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data = msi_alloc(size);
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if (!data)
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return E_OUTOFMEMORY;
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hr = IStream_Read(stm, data, size, &read);
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if (FAILED(hr) || read != size)
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goto done;
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hr = CreateILockBytesOnHGlobal(NULL, TRUE, &lockbytes);
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if (FAILED(hr))
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goto done;
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ZeroMemory(&offset, sizeof(ULARGE_INTEGER));
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hr = ILockBytes_WriteAt(lockbytes, offset, data, size, &read);
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if (FAILED(hr) || read != size)
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goto done;
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hr = StgOpenStorageOnILockBytes(lockbytes, NULL,
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STGM_READWRITE | STGM_SHARE_DENY_NONE,
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NULL, 0, stg);
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if (FAILED(hr))
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goto done;
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done:
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msi_free(data);
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if (lockbytes) ILockBytes_Release(lockbytes);
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return hr;
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}
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static UINT STORAGES_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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IStorage *stg, *substg = NULL;
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IStream *stm;
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LPWSTR name = NULL;
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HRESULT hr;
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UINT r = ERROR_FUNCTION_FAILED;
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TRACE("(%p, %p)\n", view, rec);
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if (row > sv->num_rows)
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return ERROR_FUNCTION_FAILED;
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r = MSI_RecordGetIStream(rec, 2, &stm);
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if (r != ERROR_SUCCESS)
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return r;
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r = stream_to_storage(stm, &stg);
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if (r != ERROR_SUCCESS)
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{
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IStream_Release(stm);
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return r;
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}
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name = strdupW(MSI_RecordGetString(rec, 1));
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if (!name)
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{
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r = ERROR_OUTOFMEMORY;
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goto done;
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}
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hr = IStorage_CreateStorage(sv->db->storage, name,
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STGM_WRITE | STGM_SHARE_EXCLUSIVE,
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0, 0, &substg);
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if (FAILED(hr))
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{
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r = ERROR_FUNCTION_FAILED;
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goto done;
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}
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hr = IStorage_CopyTo(stg, 0, NULL, NULL, substg);
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if (FAILED(hr))
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{
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r = ERROR_FUNCTION_FAILED;
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goto done;
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}
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sv->storages[row] = create_storage(sv, name, stg);
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if (!sv->storages[row])
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r = ERROR_FUNCTION_FAILED;
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done:
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msi_free(name);
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if (substg) IStorage_Release(substg);
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IStorage_Release(stg);
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IStream_Release(stm);
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return r;
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}
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static UINT STORAGES_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, UINT row, BOOL temporary)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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if (!storages_set_table_size(sv, ++sv->num_rows))
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return ERROR_FUNCTION_FAILED;
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if (row == -1)
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row = sv->num_rows - 1;
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/* FIXME have to readjust rows */
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return STORAGES_set_row(view, row, rec, 0);
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}
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static UINT STORAGES_delete_row(struct tagMSIVIEW *view, UINT row)
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{
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FIXME("(%p %d): stub!\n", view, row);
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return ERROR_SUCCESS;
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}
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static UINT STORAGES_execute(struct tagMSIVIEW *view, MSIRECORD *record)
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{
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TRACE("(%p, %p)\n", view, record);
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return ERROR_SUCCESS;
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}
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static UINT STORAGES_close(struct tagMSIVIEW *view)
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{
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TRACE("(%p)\n", view);
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return ERROR_SUCCESS;
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}
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static UINT STORAGES_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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TRACE("(%p, %p, %p)\n", view, rows, cols);
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if (cols) *cols = NUM_STORAGES_COLS;
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if (rows) *rows = sv->num_rows;
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return ERROR_SUCCESS;
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}
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static UINT STORAGES_get_column_info( struct tagMSIVIEW *view, UINT n, LPCWSTR *name,
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UINT *type, BOOL *temporary, LPCWSTR *table_name )
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{
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TRACE("(%p, %d, %p, %p, %p, %p)\n", view, n, name, type, temporary,
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table_name);
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if (n == 0 || n > NUM_STORAGES_COLS)
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return ERROR_INVALID_PARAMETER;
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switch (n)
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{
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case 1:
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if (name) *name = szName;
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if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MAX_STORAGES_NAME_LEN;
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break;
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case 2:
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if (name) *name = szData;
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if (type) *type = MSITYPE_STRING | MSITYPE_VALID | MSITYPE_NULLABLE;
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break;
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}
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if (table_name) *table_name = szStorages;
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if (temporary) *temporary = FALSE;
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return ERROR_SUCCESS;
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}
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static UINT storages_find_row(MSISTORAGESVIEW *sv, MSIRECORD *rec, UINT *row)
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{
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LPCWSTR str;
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UINT r, i, id, data;
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str = MSI_RecordGetString(rec, 1);
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r = msi_string2id(sv->db->strings, str, -1, &id);
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if (r != ERROR_SUCCESS)
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return r;
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for (i = 0; i < sv->num_rows; i++)
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{
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STORAGES_fetch_int(&sv->view, i, 1, &data);
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if (data == id)
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{
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*row = i;
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return ERROR_SUCCESS;
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}
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}
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return ERROR_FUNCTION_FAILED;
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}
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static UINT storages_modify_update(struct tagMSIVIEW *view, MSIRECORD *rec)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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UINT r, row;
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r = storages_find_row(sv, rec, &row);
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if (r != ERROR_SUCCESS)
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return ERROR_FUNCTION_FAILED;
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return STORAGES_set_row(view, row, rec, 0);
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}
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static UINT storages_modify_assign(struct tagMSIVIEW *view, MSIRECORD *rec)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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UINT r, row;
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r = storages_find_row(sv, rec, &row);
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if (r == ERROR_SUCCESS)
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return storages_modify_update(view, rec);
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return STORAGES_insert_row(view, rec, -1, FALSE);
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}
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static UINT STORAGES_modify(struct tagMSIVIEW *view, MSIMODIFY eModifyMode, MSIRECORD *rec, UINT row)
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{
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UINT r;
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TRACE("%p %d %p\n", view, eModifyMode, rec);
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switch (eModifyMode)
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{
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case MSIMODIFY_ASSIGN:
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r = storages_modify_assign(view, rec);
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break;
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case MSIMODIFY_INSERT:
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r = STORAGES_insert_row(view, rec, -1, FALSE);
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break;
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case MSIMODIFY_UPDATE:
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r = storages_modify_update(view, rec);
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break;
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case MSIMODIFY_VALIDATE_NEW:
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case MSIMODIFY_INSERT_TEMPORARY:
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case MSIMODIFY_REFRESH:
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case MSIMODIFY_REPLACE:
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case MSIMODIFY_MERGE:
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case MSIMODIFY_DELETE:
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case MSIMODIFY_VALIDATE:
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case MSIMODIFY_VALIDATE_FIELD:
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case MSIMODIFY_VALIDATE_DELETE:
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FIXME("%p %d %p - mode not implemented\n", view, eModifyMode, rec );
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r = ERROR_CALL_NOT_IMPLEMENTED;
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break;
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default:
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r = ERROR_INVALID_DATA;
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}
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return r;
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}
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static UINT STORAGES_delete(struct tagMSIVIEW *view)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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UINT i;
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TRACE("(%p)\n", view);
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for (i = 0; i < sv->num_rows; i++)
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{
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if (sv->storages[i]->storage)
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IStorage_Release(sv->storages[i]->storage);
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msi_free(sv->storages[i]);
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}
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msi_free(sv->storages);
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sv->storages = NULL;
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msi_free(sv);
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return ERROR_SUCCESS;
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}
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static UINT STORAGES_find_matching_rows(struct tagMSIVIEW *view, UINT col,
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UINT val, UINT *row, MSIITERHANDLE *handle)
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{
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MSISTORAGESVIEW *sv = (MSISTORAGESVIEW *)view;
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UINT index = PtrToUlong(*handle);
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TRACE("(%d, %d): %d\n", *row, col, val);
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if (col == 0 || col > NUM_STORAGES_COLS)
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return ERROR_INVALID_PARAMETER;
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while (index < sv->num_rows)
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{
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if (sv->storages[index]->str_index == val)
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{
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*row = index;
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break;
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}
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index++;
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}
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*handle = UlongToPtr(++index);
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if (index >= sv->num_rows)
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return ERROR_NO_MORE_ITEMS;
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return ERROR_SUCCESS;
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}
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static const MSIVIEWOPS storages_ops =
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{
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STORAGES_fetch_int,
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STORAGES_fetch_stream,
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STORAGES_get_row,
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STORAGES_set_row,
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STORAGES_insert_row,
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STORAGES_delete_row,
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STORAGES_execute,
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STORAGES_close,
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STORAGES_get_dimensions,
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STORAGES_get_column_info,
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STORAGES_modify,
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STORAGES_delete,
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STORAGES_find_matching_rows,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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NULL,
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};
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static INT add_storages_to_table(MSISTORAGESVIEW *sv)
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{
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STORAGE *storage = NULL;
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IEnumSTATSTG *stgenum = NULL;
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STATSTG stat;
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HRESULT hr;
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UINT count = 0, size;
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hr = IStorage_EnumElements(sv->db->storage, 0, NULL, 0, &stgenum);
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if (FAILED(hr))
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return -1;
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sv->max_storages = 1;
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sv->storages = msi_alloc(sizeof(STORAGE *));
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if (!sv->storages)
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return -1;
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while (TRUE)
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{
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size = 0;
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hr = IEnumSTATSTG_Next(stgenum, 1, &stat, &size);
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if (FAILED(hr) || !size)
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break;
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if (stat.type != STGTY_STORAGE)
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{
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CoTaskMemFree(stat.pwcsName);
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continue;
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}
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TRACE("enumerated storage %s\n", debugstr_w(stat.pwcsName));
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storage = create_storage(sv, stat.pwcsName, NULL);
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if (!storage)
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{
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count = -1;
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CoTaskMemFree(stat.pwcsName);
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break;
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}
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IStorage_OpenStorage(sv->db->storage, stat.pwcsName, NULL,
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STGM_READ | STGM_SHARE_EXCLUSIVE, NULL, 0,
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&storage->storage);
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CoTaskMemFree(stat.pwcsName);
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if (!storages_set_table_size(sv, ++count))
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{
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count = -1;
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break;
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}
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sv->storages[count - 1] = storage;
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}
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IEnumSTATSTG_Release(stgenum);
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return count;
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}
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UINT STORAGES_CreateView(MSIDATABASE *db, MSIVIEW **view)
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{
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MSISTORAGESVIEW *sv;
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INT rows;
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TRACE("(%p, %p)\n", db, view);
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sv = msi_alloc_zero( sizeof(MSISTORAGESVIEW) );
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if (!sv)
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return ERROR_FUNCTION_FAILED;
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sv->view.ops = &storages_ops;
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sv->db = db;
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rows = add_storages_to_table(sv);
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if (rows < 0)
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{
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msi_free( sv );
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return ERROR_FUNCTION_FAILED;
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}
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sv->num_rows = rows;
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*view = (MSIVIEW *)sv;
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return ERROR_SUCCESS;
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}
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