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5b072fbbec
The pwcsName field of STATSTG must be freed, otherwise the memory will be leaked.
460 lines
10 KiB
C
460 lines
10 KiB
C
/*
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* Implementation of the Microsoft Installer (msi.dll)
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*
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* Copyright 2007 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 "winerror.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 "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msidb);
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#define NUM_STREAMS_COLS 2
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#define MAX_STREAM_NAME_LEN 62
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typedef struct tabSTREAM
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{
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int str_index;
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LPWSTR name;
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IStream *stream;
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} STREAM;
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typedef struct tagMSISTREAMSVIEW
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{
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MSIVIEW view;
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MSIDATABASE *db;
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STREAM **streams;
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UINT max_streams;
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UINT num_rows;
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UINT row_size;
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} MSISTREAMSVIEW;
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static BOOL add_stream_to_table(MSISTREAMSVIEW *sv, STREAM *stream, int index)
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{
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if (index >= sv->max_streams)
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{
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sv->max_streams *= 2;
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sv->streams = msi_realloc(sv->streams, sv->max_streams * sizeof(STREAM *));
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if (!sv->streams)
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return FALSE;
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}
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sv->streams[index] = stream;
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return TRUE;
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}
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static STREAM *create_stream(MSISTREAMSVIEW *sv, LPWSTR name, BOOL encoded, IStream *stm)
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{
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STREAM *stream;
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WCHAR decoded[MAX_STREAM_NAME_LEN];
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LPWSTR ptr = name;
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stream = msi_alloc(sizeof(STREAM));
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if (!stream)
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return NULL;
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if (encoded)
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{
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decode_streamname(name, decoded);
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ptr = decoded;
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TRACE("stream -> %s %s\n", debugstr_w(name), debugstr_w(decoded));
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}
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stream->name = strdupW(ptr);
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if (!stream->name)
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{
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msi_free(stream);
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return NULL;
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}
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stream->str_index = msi_addstringW(sv->db->strings, 0, stream->name, -1, 1, StringNonPersistent);
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stream->stream = stm;
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return stream;
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}
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static UINT STREAMS_fetch_int(struct tagMSIVIEW *view, UINT row, UINT col, UINT *val)
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{
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MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)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->streams[row]->str_index;
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return ERROR_SUCCESS;
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}
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static UINT STREAMS_fetch_stream(struct tagMSIVIEW *view, UINT row, UINT col, IStream **stm)
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{
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MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)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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IStream_AddRef(sv->streams[row]->stream);
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*stm = sv->streams[row]->stream;
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return ERROR_SUCCESS;
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}
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static UINT STREAMS_get_row( struct tagMSIVIEW *view, UINT row, MSIRECORD **rec )
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{
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MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)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 UINT STREAMS_set_row(struct tagMSIVIEW *view, UINT row, MSIRECORD *rec, UINT mask)
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{
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FIXME("(%p, %d, %p, %d): stub!\n", view, row, rec, mask);
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return ERROR_SUCCESS;
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}
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static UINT STREAMS_insert_row(struct tagMSIVIEW *view, MSIRECORD *rec, BOOL temporary)
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{
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MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
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STREAM *stream;
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IStream *stm;
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STATSTG stat;
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LPWSTR name = NULL;
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USHORT *data = NULL;
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HRESULT hr;
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ULONG count;
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UINT r = ERROR_FUNCTION_FAILED;
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TRACE("(%p, %p, %d)\n", view, rec, temporary);
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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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hr = IStream_Stat(stm, &stat, STATFLAG_NONAME);
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if (FAILED(hr))
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{
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WARN("failed to stat stream: %08x\n", hr);
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goto done;
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}
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if (stat.cbSize.QuadPart >> 32)
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goto done;
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data = msi_alloc(stat.cbSize.QuadPart);
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if (!data)
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goto done;
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hr = IStream_Read(stm, data, stat.cbSize.QuadPart, &count);
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if (FAILED(hr) || count != stat.cbSize.QuadPart)
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{
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WARN("failed to read stream: %08x\n", hr);
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goto done;
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}
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name = strdupW(MSI_RecordGetString(rec, 1));
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if (!name)
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goto done;
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r = write_stream_data(sv->db->storage, name, data, count, FALSE);
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if (r != ERROR_SUCCESS)
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{
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WARN("failed to write stream data: %d\n", r);
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goto done;
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}
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stream = create_stream(sv, name, FALSE, NULL);
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if (!stream)
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goto done;
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IStorage_OpenStream(sv->db->storage, name, 0,
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STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stream->stream);
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if (!add_stream_to_table(sv, stream, sv->num_rows++))
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goto done;
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done:
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msi_free(name);
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msi_free(data);
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IStream_Release(stm);
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return r;
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}
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static UINT STREAMS_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 STREAMS_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 STREAMS_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 STREAMS_get_dimensions(struct tagMSIVIEW *view, UINT *rows, UINT *cols)
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{
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MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
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TRACE("(%p, %p, %p)\n", view, rows, cols);
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if (cols) *cols = NUM_STREAMS_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 STREAMS_get_column_info(struct tagMSIVIEW *view,
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UINT n, LPWSTR *name, UINT *type)
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{
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LPCWSTR name_ptr = NULL;
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static const WCHAR Name[] = {'N','a','m','e',0};
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static const WCHAR Data[] = {'D','a','t','a',0};
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TRACE("(%p, %d, %p, %p)\n", view, n, name, type);
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if (n == 0 || n > NUM_STREAMS_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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name_ptr = Name;
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if (type) *type = MSITYPE_STRING | MAX_STREAM_NAME_LEN;
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break;
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case 2:
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name_ptr = Data;
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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 (name)
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{
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*name = strdupW(name_ptr);
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if (!*name) return ERROR_FUNCTION_FAILED;
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}
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return ERROR_SUCCESS;
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}
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static UINT STREAMS_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_INSERT:
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r = STREAMS_insert_row(view, rec, FALSE);
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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_UPDATE:
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case MSIMODIFY_REFRESH:
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case MSIMODIFY_ASSIGN:
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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 STREAMS_delete(struct tagMSIVIEW *view)
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{
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MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
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int 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->streams[i]->stream)
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IStream_Release(sv->streams[i]->stream);
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msi_free(sv->streams[i]);
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}
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msi_free(sv->streams);
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return ERROR_SUCCESS;
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}
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static UINT STREAMS_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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MSISTREAMSVIEW *sv = (MSISTREAMSVIEW *)view;
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UINT index = (UINT)*handle;
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TRACE("(%d, %d): %d\n", *row, col, val);
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if (col == 0 || col > NUM_STREAMS_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->streams[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 = (MSIITERHANDLE)++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 streams_ops =
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{
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STREAMS_fetch_int,
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STREAMS_fetch_stream,
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STREAMS_get_row,
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STREAMS_set_row,
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STREAMS_insert_row,
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STREAMS_delete_row,
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STREAMS_execute,
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STREAMS_close,
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STREAMS_get_dimensions,
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STREAMS_get_column_info,
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STREAMS_modify,
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STREAMS_delete,
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STREAMS_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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};
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static UINT add_streams_to_table(MSISTREAMSVIEW *sv)
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{
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IEnumSTATSTG *stgenum = NULL;
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STATSTG stat;
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STREAM *stream = NULL;
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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_streams = 1;
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sv->streams = msi_alloc(sizeof(STREAM *));
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if (!sv->streams)
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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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/* table streams are not in the _Streams table */
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if (*stat.pwcsName == 0x4840)
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{
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CoTaskMemFree(stat.pwcsName);
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continue;
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}
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stream = create_stream(sv, stat.pwcsName, TRUE, NULL);
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if (!stream)
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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_OpenStream(sv->db->storage, stat.pwcsName, 0,
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STGM_READ | STGM_SHARE_EXCLUSIVE, 0, &stream->stream);
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CoTaskMemFree(stat.pwcsName);
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if (!add_stream_to_table(sv, stream, count++))
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{
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count = -1;
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break;
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}
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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 STREAMS_CreateView(MSIDATABASE *db, MSIVIEW **view)
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{
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MSISTREAMSVIEW *sv;
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TRACE("(%p, %p)\n", db, view);
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sv = msi_alloc(sizeof(MSISTREAMSVIEW));
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if (!sv)
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return ERROR_FUNCTION_FAILED;
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sv->view.ops = &streams_ops;
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sv->db = db;
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sv->num_rows = add_streams_to_table(sv);
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if (sv->num_rows < 0)
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return ERROR_FUNCTION_FAILED;
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*view = (MSIVIEW *)sv;
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return ERROR_SUCCESS;
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}
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