VirtualBox

source: vbox/trunk/src/VBox/Runtime/generic/fileio-at-generic.cpp@ 86186

Last change on this file since 86186 was 82968, checked in by vboxsync, 5 years ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 2.0 KB
Line 
1/* $Id: fileio-at-generic.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
2/** @file
3 * IPRT - File I/O, RTFileReadAt and RTFileWriteAt, generic.
4 */
5
6/*
7 * Copyright (C) 2006-2020 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#include "internal/iprt.h"
32#include <iprt/file.h>
33
34#include <iprt/errcore.h>
35
36
37
38RTDECL(int) RTFileReadAt(RTFILE File, RTFOFF off, void *pvBuf, size_t cbToRead, size_t *pcbRead)
39{
40 int rc = RTFileSeek(File, off, RTFILE_SEEK_BEGIN, NULL);
41 if (RT_SUCCESS(rc))
42 rc = RTFileRead(File, pvBuf, cbToRead, pcbRead);
43 return rc;
44}
45
46
47RTDECL(int) RTFileWriteAt(RTFILE File, RTFOFF off, const void *pvBuf, size_t cbToWrite, size_t *pcbWritten)
48{
49 int rc = RTFileSeek(File, off, RTFILE_SEEK_BEGIN, NULL);
50 if (RT_SUCCESS(rc))
51 rc = RTFileWrite(File, pvBuf, cbToWrite, pcbWritten);
52 return rc;
53}
54
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