VirtualBox

source: vbox/trunk/src/VBox/Runtime/win/errmsgwin.cpp@ 65892

Last change on this file since 65892 was 62592, checked in by vboxsync, 8 years ago

IPRT: More unused parameters and undefined preprocessor macor warning (C4668) fixes/workarounds. The latter triggers in stdint.h from the compiler and in windows SDK/DDK headers.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 4.2 KB
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1/* $Id: errmsgwin.cpp 62592 2016-07-27 13:24:48Z vboxsync $ */
2/** @file
3 * IPRT - Status code messages.
4 */
5
6/*
7 * Copyright (C) 2006-2016 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 <iprt/win/windows.h>
32
33#include <iprt/err.h>
34#include <iprt/asm.h>
35#include <iprt/string.h>
36#include <iprt/err.h>
37
38
39/*********************************************************************************************************************************
40* Global Variables *
41*********************************************************************************************************************************/
42/** Array of messages.
43 * The data is generated by a sed script.
44 */
45static const RTWINERRMSG g_aStatusMsgs[] =
46{
47#if !defined(IPRT_NO_ERROR_DATA) && !defined(DOXYGEN_RUNNING)
48# include "errmsgcomdata.h"
49# if defined(VBOX) && !defined(IN_GUEST)
50# include "errmsgvboxcomdata.h"
51# endif
52#else
53 { "Success.", "ERROR_SUCCESS", 0 },
54#endif
55 { NULL, NULL, 0 }
56};
57
58
59/** Temporary buffers to format unknown messages in.
60 * @{
61 */
62static char g_aszUnknownStr[4][64];
63static RTWINERRMSG g_aUnknownMsgs[4] =
64{
65 { &g_aszUnknownStr[0][0], &g_aszUnknownStr[0][0], 0 },
66 { &g_aszUnknownStr[1][0], &g_aszUnknownStr[1][0], 0 },
67 { &g_aszUnknownStr[2][0], &g_aszUnknownStr[2][0], 0 },
68 { &g_aszUnknownStr[3][0], &g_aszUnknownStr[3][0], 0 }
69};
70/** Last used index in g_aUnknownMsgs. */
71static volatile uint32_t g_iUnknownMsgs;
72/** @} */
73
74
75/**
76 * Get the message corresponding to a given status code.
77 *
78 * @returns Pointer to read-only message description.
79 * @param rc The status code.
80 */
81RTDECL(PCRTWINERRMSG) RTErrWinGet(long rc)
82{
83 unsigned i;
84 for (i = 0; i < RT_ELEMENTS(g_aStatusMsgs) - 1U; i++)
85 if (g_aStatusMsgs[i].iCode == rc)
86 return &g_aStatusMsgs[i];
87
88 /* The g_aStatusMsgs table contains a wild mix of error codes with and
89 * without included facility and severity. So the chance is high that there
90 * was no exact match. Try to find a non-exact match, and include the
91 * actual value in case we pick the wrong entry. Better than always using
92 * the "Unknown Status" case. */
93 for (i = 0; i < RT_ELEMENTS(g_aStatusMsgs) - 1U; i++)
94 if (g_aStatusMsgs[i].iCode == HRESULT_CODE(rc))
95 {
96 int32_t iMsg = (ASMAtomicIncU32(&g_iUnknownMsgs) - 1) % RT_ELEMENTS(g_aUnknownMsgs);
97 RTStrPrintf(&g_aszUnknownStr[iMsg][0], sizeof(g_aszUnknownStr[iMsg]), "%s 0x%X", g_aStatusMsgs[i].pszDefine, rc);
98 return &g_aUnknownMsgs[iMsg];
99 }
100
101 /*
102 * Need to use the temporary stuff.
103 */
104 int32_t iMsg = (ASMAtomicIncU32(&g_iUnknownMsgs) - 1) % RT_ELEMENTS(g_aUnknownMsgs);
105 RTStrPrintf(&g_aszUnknownStr[iMsg][0], sizeof(g_aszUnknownStr[iMsg]), "Unknown Status 0x%X", rc);
106 return &g_aUnknownMsgs[iMsg];
107}
108
109
110RTDECL(PCRTCOMERRMSG) RTErrCOMGet(uint32_t rc)
111{
112 return RTErrWinGet((long)rc);
113}
114
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