| 1 | /* $Id: errmsg.cpp 1 1970-01-01 00:00:00Z vboxsync $ */
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| 2 | /** @file
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| 3 | * InnoTek Portable Runtime - Status code messages.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006 InnoTek Systemberatung GmbH
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License as published by the Free Software Foundation,
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| 13 | * in version 2 as it comes in the "COPYING" file of the VirtualBox OSE
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| 14 | * distribution. VirtualBox OSE is distributed in the hope that it will
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| 15 | * be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * If you received this file as part of a commercial VirtualBox
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| 18 | * distribution, then only the terms of your commercial VirtualBox
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| 19 | * license agreement apply instead of the previous paragraph.
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| 20 | */
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| 21 |
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| 22 | /*******************************************************************************
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| 23 | * Header Files *
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| 24 | *******************************************************************************/
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| 25 | #include <iprt/err.h>
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| 26 | #include <iprt/asm.h>
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| 27 | #include <iprt/string.h>
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| 28 | #include <iprt/err.h>
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| 29 | #include <VBox/err.h>
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| 30 |
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| 31 |
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| 32 | /*******************************************************************************
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| 33 | * Global Variables *
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| 34 | *******************************************************************************/
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| 35 | /** Array of messages.
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| 36 | * The data is generated by a sed script.
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| 37 | */
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| 38 | static const RTSTATUSMSG g_aStatusMsgs[] =
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| 39 | {
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| 40 | #include "errmsgdata.h"
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| 41 | { NULL, NULL, NULL, 0 }
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| 42 | };
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| 43 |
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| 44 |
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| 45 | /** Temporary buffers to format unknown messages in.
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| 46 | * @{
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| 47 | */
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| 48 | static char g_aszUnknownStr[4][64];
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| 49 | static RTSTATUSMSG g_aUnknownMsgs[4] =
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| 50 | {
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| 51 | { &g_aszUnknownStr[0][0], &g_aszUnknownStr[0][0], &g_aszUnknownStr[0][0], 0 },
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| 52 | { &g_aszUnknownStr[1][0], &g_aszUnknownStr[1][0], &g_aszUnknownStr[1][0], 0 },
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| 53 | { &g_aszUnknownStr[2][0], &g_aszUnknownStr[2][0], &g_aszUnknownStr[2][0], 0 },
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| 54 | { &g_aszUnknownStr[3][0], &g_aszUnknownStr[3][0], &g_aszUnknownStr[3][0], 0 }
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| 55 | };
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| 56 | /** Last used index in g_aUnknownMsgs. */
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| 57 | static volatile uint32_t g_iUnknownMsgs;
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| 58 | /** @} */
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| 59 |
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| 60 |
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| 61 | /**
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| 62 | * Get the message corresponding to a given status code.
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| 63 | *
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| 64 | * @returns Pointer to read-only message description.
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| 65 | * @param rc The status code.
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| 66 | */
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| 67 | RTDECL(PCRTSTATUSMSG) RTErrGet(int rc)
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| 68 | {
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| 69 | unsigned iFound = ~0;
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| 70 | unsigned i;
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| 71 | for (i = 0; i < ELEMENTS(g_aStatusMsgs); i++)
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| 72 | {
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| 73 | if (g_aStatusMsgs[i].iCode == rc)
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| 74 | {
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| 75 | /*
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| 76 | * Found a match.
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| 77 | * Since this isn't a unique key, we must check that it's not
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| 78 | * one of those start/end #defines before we return.
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| 79 | */
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| 80 | if ( !strstr(g_aStatusMsgs[i].pszDefine, "FIRST")
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| 81 | && !strstr(g_aStatusMsgs[i].pszDefine, "LAST"))
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| 82 | return &g_aStatusMsgs[i];
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| 83 | iFound = i;
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| 84 | }
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| 85 | }
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| 86 | if (iFound != ~0U)
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| 87 | return &g_aStatusMsgs[iFound];
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| 88 |
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| 89 | /*
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| 90 | * Need to use the temporary stuff.
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| 91 | */
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| 92 | int iMsg = ASMAtomicXchgU32(&g_iUnknownMsgs, (g_iUnknownMsgs + 1) % ELEMENTS(g_aUnknownMsgs));
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| 93 | RTStrPrintf(&g_aszUnknownStr[iMsg][0], sizeof(g_aszUnknownStr[iMsg]), "Unknown Status %d\n", rc);
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| 94 | return &g_aUnknownMsgs[iMsg];
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| 95 | }
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| 96 |
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