VirtualBox

source: vbox/trunk/src/VBox/Runtime/win/errmsgwin.cpp@ 52320

Last change on this file since 52320 was 51770, checked in by vboxsync, 10 years ago

Merged in iprt++ dev branch.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id Revision
File size: 3.9 KB
Line 
1/* $Id: errmsgwin.cpp 51770 2014-07-01 18:14:02Z vboxsync $ */
2/** @file
3 * IPRT - Status code messages.
4 */
5
6/*
7 * Copyright (C) 2006-2011 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* Header Files *
29*******************************************************************************/
30#include <Windows.h>
31
32#include <iprt/err.h>
33#include <iprt/asm.h>
34#include <iprt/string.h>
35#include <iprt/err.h>
36
37
38/*******************************************************************************
39* Global Variables *
40*******************************************************************************/
41/** Array of messages.
42 * The data is generated by a sed script.
43 */
44static const RTWINERRMSG g_aStatusMsgs[] =
45{
46#ifndef IPRT_NO_ERROR_DATA
47# include "errmsgcomdata.h"
48# if defined(VBOX) && !defined(IN_GUEST)
49# include "errmsgvboxcomdata.h"
50# endif
51#else
52 { "Success.", "ERROR_SUCCESS", 0 },
53#endif
54 { NULL, NULL, 0 }
55};
56
57
58/** Temporary buffers to format unknown messages in.
59 * @{
60 */
61static char g_aszUnknownStr[4][64];
62static RTWINERRMSG g_aUnknownMsgs[4] =
63{
64 { &g_aszUnknownStr[0][0], &g_aszUnknownStr[0][0], 0 },
65 { &g_aszUnknownStr[1][0], &g_aszUnknownStr[1][0], 0 },
66 { &g_aszUnknownStr[2][0], &g_aszUnknownStr[2][0], 0 },
67 { &g_aszUnknownStr[3][0], &g_aszUnknownStr[3][0], 0 }
68};
69/** Last used index in g_aUnknownMsgs. */
70static volatile uint32_t g_iUnknownMsgs;
71/** @} */
72
73
74/**
75 * Get the message corresponding to a given status code.
76 *
77 * @returns Pointer to read-only message description.
78 * @param rc The status code.
79 */
80RTDECL(PCRTWINERRMSG) RTErrWinGet(long rc)
81{
82 unsigned i;
83 for (i = 0; i < RT_ELEMENTS(g_aStatusMsgs) - 1U; i++)
84 if (g_aStatusMsgs[i].iCode == rc)
85 return &g_aStatusMsgs[i];
86
87 /* The g_aStatusMsgs table contains a wild mix of error codes with and
88 * without included facility and severity. So the chance is high that there
89 * was no exact match. Try to find a non-exact match, and include the
90 * actual value in case we pick the wrong entry. Better than always using
91 * the "Unknown Status" case. */
92 for (i = 0; i < RT_ELEMENTS(g_aStatusMsgs) - 1U; i++)
93 if (g_aStatusMsgs[i].iCode == HRESULT_CODE(rc))
94 {
95 int32_t iMsg = (ASMAtomicIncU32(&g_iUnknownMsgs) - 1) % RT_ELEMENTS(g_aUnknownMsgs);
96 RTStrPrintf(&g_aszUnknownStr[iMsg][0], sizeof(g_aszUnknownStr[iMsg]), "%s 0x%X", g_aStatusMsgs[i].pszDefine, rc);
97 return &g_aUnknownMsgs[iMsg];
98 }
99
100 /*
101 * Need to use the temporary stuff.
102 */
103 int32_t iMsg = (ASMAtomicIncU32(&g_iUnknownMsgs) - 1) % RT_ELEMENTS(g_aUnknownMsgs);
104 RTStrPrintf(&g_aszUnknownStr[iMsg][0], sizeof(g_aszUnknownStr[iMsg]), "Unknown Status 0x%X", rc);
105 return &g_aUnknownMsgs[iMsg];
106}
107
108
109RTDECL(PCRTCOMERRMSG) RTErrCOMGet(uint32_t rc)
110{
111 return RTErrWinGet((long)rc);
112}
113
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