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gio: add GWin32FileSyncStream
This is a COM object that implements IStream by using a HANDLE and WinAPI file functions to access the file (only a file; pipes are not supported). Only supports synchronous access (this is a feature - the APIs that read from this stream internally will never return the COM equivalent of EWOULDBLOCK, which greatly simplifies their use).
This commit is contained in:
44
gio/gwin32file-sync-stream.h
Executable file
44
gio/gwin32file-sync-stream.h
Executable file
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/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2020 Руслан Ижбулатов <lrn1986@gmail.com>
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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
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* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef __G_WIN32_FILE_SYNC_STREAM_H__
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#define __G_WIN32_FILE_SYNC_STREAM_H__
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#include <gio/gio.h>
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#ifdef G_PLATFORM_WIN32
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typedef struct _GWin32FileSyncStream GWin32FileSyncStream;
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struct _GWin32FileSyncStream
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{
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IStream self;
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ULONG ref_count;
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HANDLE file_handle;
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gboolean owns_handle;
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DWORD stgm_mode;
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};
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IStream *g_win32_file_sync_stream_new (HANDLE file_handle,
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gboolean owns_handle,
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DWORD stgm_mode,
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HRESULT *output_hresult);
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#endif /* G_PLATFORM_WIN32 */
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#endif /* __G_WIN32_FILE_SYNC_STREAM_H__ */
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