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/* $Id: message.cpp $ */
/** @file
* IPRT - Error reporting to standard error.
*/
/*
* Copyright (C) 2009-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox 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.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* 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(RTEXITCODE) RTMsgSyntax(const char *pszFormat, ...)
{
va_list va;
va_start(va, pszFormat);
RTMsgSyntaxV(pszFormat, va);
va_end(va);
return RTEXITCODE_SYNTAX;
}
RT_EXPORT_SYMBOL(RTMsgSyntax);
RTDECL(RTEXITCODE) RTMsgSyntaxV(const char *pszFormat, va_list va)
{
rtMsgWorker(g_pStdOut, "syntax error: ", pszFormat, va);
return RTEXITCODE_SYNTAX;
}
RT_EXPORT_SYMBOL(RTMsgSyntaxV);
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);
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