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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Runtime/win/errmsgwin.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/VBox/Runtime/win/errmsgwin.cpp b/src/VBox/Runtime/win/errmsgwin.cpp new file mode 100644 index 00000000..bf582656 --- /dev/null +++ b/src/VBox/Runtime/win/errmsgwin.cpp @@ -0,0 +1,114 @@ +/* $Id: errmsgwin.cpp $ */ +/** @file + * IPRT - Status code messages. + */ + +/* + * Copyright (C) 2006-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include <iprt/win/windows.h> + +#include <iprt/errcore.h> +#include <iprt/asm.h> +#include <iprt/string.h> +#include <iprt/errcore.h> + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** Array of messages. + * The data is generated by a sed script. + */ +static const RTWINERRMSG g_aStatusMsgs[] = +{ +#if !defined(IPRT_NO_ERROR_DATA) && !defined(DOXYGEN_RUNNING) +# include "errmsgcomdata.h" +# if defined(VBOX) && !defined(IN_GUEST) +# include "errmsgvboxcomdata.h" +# endif +#else + { "Success.", "ERROR_SUCCESS", 0 }, +#endif + { NULL, NULL, 0 } +}; + + +/** Temporary buffers to format unknown messages in. + * @{ + */ +static char g_aszUnknownStr[4][64]; +static RTWINERRMSG g_aUnknownMsgs[4] = +{ + { &g_aszUnknownStr[0][0], &g_aszUnknownStr[0][0], 0 }, + { &g_aszUnknownStr[1][0], &g_aszUnknownStr[1][0], 0 }, + { &g_aszUnknownStr[2][0], &g_aszUnknownStr[2][0], 0 }, + { &g_aszUnknownStr[3][0], &g_aszUnknownStr[3][0], 0 } +}; +/** Last used index in g_aUnknownMsgs. */ +static volatile uint32_t g_iUnknownMsgs; +/** @} */ + + +/** + * Get the message corresponding to a given status code. + * + * @returns Pointer to read-only message description. + * @param rc The status code. + */ +RTDECL(PCRTWINERRMSG) RTErrWinGet(long rc) +{ + unsigned i; + for (i = 0; i < RT_ELEMENTS(g_aStatusMsgs) - 1U; i++) + if (g_aStatusMsgs[i].iCode == rc) + return &g_aStatusMsgs[i]; + + /* The g_aStatusMsgs table contains a wild mix of error codes with and + * without included facility and severity. So the chance is high that there + * was no exact match. Try to find a non-exact match, and include the + * actual value in case we pick the wrong entry. Better than always using + * the "Unknown Status" case. */ + for (i = 0; i < RT_ELEMENTS(g_aStatusMsgs) - 1U; i++) + if (g_aStatusMsgs[i].iCode == HRESULT_CODE(rc)) + { + int32_t iMsg = (ASMAtomicIncU32(&g_iUnknownMsgs) - 1) % RT_ELEMENTS(g_aUnknownMsgs); + RTStrPrintf(&g_aszUnknownStr[iMsg][0], sizeof(g_aszUnknownStr[iMsg]), "%s 0x%X", g_aStatusMsgs[i].pszDefine, rc); + return &g_aUnknownMsgs[iMsg]; + } + + /* + * Need to use the temporary stuff. + */ + int32_t iMsg = (ASMAtomicIncU32(&g_iUnknownMsgs) - 1) % RT_ELEMENTS(g_aUnknownMsgs); + RTStrPrintf(&g_aszUnknownStr[iMsg][0], sizeof(g_aszUnknownStr[iMsg]), "Unknown Status 0x%X", rc); + return &g_aUnknownMsgs[iMsg]; +} + + +RTDECL(PCRTCOMERRMSG) RTErrCOMGet(uint32_t rc) +{ + return RTErrWinGet((long)rc); +} + |