Current File : //usr/src/vboxhost-6.0.14/vboxdrv/common/err/errinfo.c
/* $Id: errinfo.cpp 127855 2019-01-01 01:45:53Z bird $ */
/** @file
* IPRT - Error Info, Setters.
*/
/*
* Copyright (C) 2010-2019 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/errcore.h>
#include <iprt/assert.h>
#include <iprt/string.h>
RTDECL(int) RTErrInfoSet(PRTERRINFO pErrInfo, int rc, const char *pszMsg)
{
if (pErrInfo)
{
AssertPtr(pErrInfo);
Assert((pErrInfo->fFlags & RTERRINFO_FLAGS_MAGIC_MASK) == RTERRINFO_FLAGS_MAGIC);
RTStrCopy(pErrInfo->pszMsg, pErrInfo->cbMsg, pszMsg);
pErrInfo->rc = rc;
pErrInfo->fFlags |= RTERRINFO_FLAGS_SET;
}
return rc;
}
RTDECL(int) RTErrInfoSetF(PRTERRINFO pErrInfo, int rc, const char *pszFormat, ...)
{
va_list va;
va_start(va, pszFormat);
RTErrInfoSetV(pErrInfo, rc, pszFormat, va);
va_end(va);
return rc;
}
RTDECL(int) RTErrInfoSetV(PRTERRINFO pErrInfo, int rc, const char *pszFormat, va_list va)
{
if (pErrInfo)
{
AssertPtr(pErrInfo);
Assert((pErrInfo->fFlags & RTERRINFO_FLAGS_MAGIC_MASK) == RTERRINFO_FLAGS_MAGIC);
RTStrPrintfV(pErrInfo->pszMsg, pErrInfo->cbMsg, pszFormat, va);
pErrInfo->rc = rc;
pErrInfo->fFlags |= RTERRINFO_FLAGS_SET;
}
return rc;
}
RTDECL(int) RTErrInfoAdd(PRTERRINFO pErrInfo, int rc, const char *pszMsg)
{
if (pErrInfo)
{
AssertPtr(pErrInfo);
if (pErrInfo->fFlags & RTERRINFO_FLAGS_SET)
RTStrCat(pErrInfo->pszMsg, pErrInfo->cbMsg, pszMsg);
else
{
while (*pszMsg == ' ')
pszMsg++;
return RTErrInfoSet(pErrInfo, rc, pszMsg);
}
}
return rc;
}
RTDECL(int) RTErrInfoAddF(PRTERRINFO pErrInfo, int rc, const char *pszFormat, ...)
{
va_list va;
va_start(va, pszFormat);
RTErrInfoAddV(pErrInfo, rc, pszFormat, va);
va_end(va);
return rc;
}
RTDECL(int) RTErrInfoAddV(PRTERRINFO pErrInfo, int rc, const char *pszFormat, va_list va)
{
if (pErrInfo)
{
AssertPtr(pErrInfo);
Assert((pErrInfo->fFlags & RTERRINFO_FLAGS_MAGIC_MASK) == RTERRINFO_FLAGS_MAGIC);
if (pErrInfo->fFlags & RTERRINFO_FLAGS_SET)
{
char *pszOut = (char *)memchr(pErrInfo->pszMsg, '\0', pErrInfo->cbMsg - 2);
if (pszOut)
RTStrPrintfV(pszOut, &pErrInfo->pszMsg[pErrInfo->cbMsg] - pszOut, pszFormat, va);
}
else
{
while (*pszFormat == ' ')
pszFormat++;
return RTErrInfoSetV(pErrInfo, rc, pszFormat, va);
}
}
return rc;
}
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