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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/common/misc/message.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/misc/message.cpp b/src/VBox/Runtime/common/misc/message.cpp new file mode 100644 index 00000000..7d1b981a --- /dev/null +++ b/src/VBox/Runtime/common/misc/message.cpp @@ -0,0 +1,237 @@ +/* $Id: message.cpp $ */ +/** @file + * IPRT - Error reporting to standard error. + */ + +/* + * Copyright (C) 2009-2019 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 "internal/iprt.h" +#include <iprt/message.h> + +#include <iprt/path.h> +#include <iprt/string.h> +#include <iprt/stream.h> +#include "internal/process.h" + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** The program name we're using. */ +static const char * volatile g_pszProgName = NULL; +/** Custom program name set via RTMsgSetProgName. */ +static char g_szProgName[128]; + + +RTDECL(int) RTMsgSetProgName(const char *pszFormat, ...) +{ + g_pszProgName = &g_szrtProcExePath[g_offrtProcName]; + + va_list va; + va_start(va, pszFormat); + RTStrPrintfV(g_szProgName, sizeof(g_szProgName) - 1, pszFormat, va); + va_end(va); + + g_pszProgName = g_szProgName; + + return VINF_SUCCESS; +} +RT_EXPORT_SYMBOL(RTMsgSetProgName); + + +static int rtMsgWorker(PRTSTREAM pDst, const char *pszPrefix, const char *pszFormat, va_list va) +{ + if ( !*pszFormat + || !strcmp(pszFormat, "\n")) + RTStrmPrintf(pDst, "\n"); + else + { + const char *pszProgName = g_pszProgName; + if (!pszProgName) + g_pszProgName = pszProgName = &g_szrtProcExePath[g_offrtProcName]; + + char *pszMsg; + ssize_t cch = RTStrAPrintfV(&pszMsg, pszFormat, va); + if (cch >= 0) + { + /* print it line by line. */ + char *psz = pszMsg; + do + { + char *pszEnd = strchr(psz, '\n'); + if (!pszEnd) + { + RTStrmPrintf(pDst, "%s: %s%s\n", pszProgName, pszPrefix, psz); + break; + } + if (pszEnd == psz) + RTStrmPrintf(pDst, "\n"); + else + { + *pszEnd = '\0'; + RTStrmPrintf(pDst, "%s: %s%s\n", pszProgName, pszPrefix, psz); + } + psz = pszEnd + 1; + } while (*psz); + RTStrFree(pszMsg); + } + else + { + /* Simple fallback for handling out-of-memory conditions. */ + RTStrmPrintf(pDst, "%s: %s", pszProgName, pszPrefix); + RTStrmPrintfV(pDst, pszFormat, va); + if (!strchr(pszFormat, '\n')) + RTStrmPrintf(pDst, "\n"); + } + } + + return VINF_SUCCESS; +} + +RTDECL(int) RTMsgError(const char *pszFormat, ...) +{ + va_list va; + va_start(va, pszFormat); + int rc = RTMsgErrorV(pszFormat, va); + va_end(va); + return rc; +} +RT_EXPORT_SYMBOL(RTMsgError); + + +RTDECL(int) RTMsgErrorV(const char *pszFormat, va_list va) +{ + return rtMsgWorker(g_pStdErr, "error: ", pszFormat, va); +} +RT_EXPORT_SYMBOL(RTMsgErrorV); + + +RTDECL(RTEXITCODE) RTMsgErrorExit(RTEXITCODE enmExitCode, const char *pszFormat, ...) +{ + va_list va; + va_start(va, pszFormat); + RTMsgErrorV(pszFormat, va); + va_end(va); + return enmExitCode; +} +RT_EXPORT_SYMBOL(RTMsgErrorExit); + + +RTDECL(RTEXITCODE) RTMsgErrorExitV(RTEXITCODE enmExitCode, const char *pszFormat, va_list va) +{ + RTMsgErrorV(pszFormat, va); + return enmExitCode; +} +RT_EXPORT_SYMBOL(RTMsgErrorExitV); + + +RTDECL(RTEXITCODE) RTMsgErrorExitFailure(const char *pszFormat, ...) +{ + va_list va; + va_start(va, pszFormat); + RTMsgErrorV(pszFormat, va); + va_end(va); + return RTEXITCODE_FAILURE; +} +RT_EXPORT_SYMBOL(RTMsgErrorExitFailure); + + +RTDECL(RTEXITCODE) RTMsgErrorExitFailureV(const char *pszFormat, va_list va) +{ + RTMsgErrorV(pszFormat, va); + return RTEXITCODE_FAILURE; +} +RT_EXPORT_SYMBOL(RTMsgErrorExitFailureV); + + +RTDECL(int) RTMsgErrorRc(int rcRet, const char *pszFormat, ...) +{ + va_list va; + va_start(va, pszFormat); + RTMsgErrorV(pszFormat, va); + va_end(va); + return rcRet; +} +RT_EXPORT_SYMBOL(RTMsgErrorRcV); + + +RTDECL(int) RTMsgErrorRcV(int rcRet, const char *pszFormat, va_list va) +{ + RTMsgErrorV(pszFormat, va); + return rcRet; +} +RT_EXPORT_SYMBOL(RTMsgErrorRcV); + + +RTDECL(RTEXITCODE) RTMsgInitFailure(int rcRTR3Init) +{ + if ( g_offrtProcName + && g_offrtProcName < sizeof(g_szrtProcExePath) + && g_szrtProcExePath[0] + && g_szrtProcExePath[g_offrtProcName]) + RTStrmPrintf(g_pStdErr, "%s: fatal error: RTR3Init: %Rrc\n", &g_szrtProcExePath[g_offrtProcName], rcRTR3Init); + else + RTStrmPrintf(g_pStdErr, "fatal error: RTR3Init: %Rrc\n", rcRTR3Init); + return RTEXITCODE_INIT; +} +RT_EXPORT_SYMBOL(RTMsgInitFailure); + + +RTDECL(int) RTMsgWarning(const char *pszFormat, ...) +{ + va_list va; + va_start(va, pszFormat); + int rc = RTMsgWarningV(pszFormat, va); + va_end(va); + return rc; +} +RT_EXPORT_SYMBOL(RTMsgInfo); + + +RTDECL(int) RTMsgWarningV(const char *pszFormat, va_list va) +{ + return rtMsgWorker(g_pStdErr, "warning: ", pszFormat, va); +} +RT_EXPORT_SYMBOL(RTMsgWarningV); + + +RTDECL(int) RTMsgInfo(const char *pszFormat, ...) +{ + va_list va; + va_start(va, pszFormat); + int rc = RTMsgInfoV(pszFormat, va); + va_end(va); + return rc; +} +RT_EXPORT_SYMBOL(RTMsgInfo); + + +RTDECL(int) RTMsgInfoV(const char *pszFormat, va_list va) +{ + return rtMsgWorker(g_pStdOut, "info: ", pszFormat, va); +} +RT_EXPORT_SYMBOL(RTMsgInfoV); + |