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/* $Id: VBoxGuestR3LibRuntimeXF86.cpp $ */
/** @file
* VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions,
* implements the minimum of runtime functions needed for
* XFree86 driver code.
*/
/*
* Copyright (C) 2007-2010 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/assert.h>
#include <iprt/log.h>
#include <iprt/mem.h>
#include <iprt/string.h>
extern "C" {
# define XFree86LOADER
# include <xf86_ansic.h>
# include <errno.h>
# undef size_t
}
/* This is risky as it restricts call to the ANSI format type specifiers. */
RTDECL(size_t) RTStrPrintf(char *pszBuffer, size_t cchBuffer, const char *pszFormat, ...)
{
va_list args;
int cbRet;
va_start(args, pszFormat);
cbRet = xf86vsnprintf(pszBuffer, cchBuffer, pszFormat, args);
va_end(args);
return cbRet >= 0 ? cbRet : 0;
}
RTDECL(int) RTStrToUInt32Ex(const char *pszValue, char **ppszNext, unsigned uBase, uint32_t *pu32)
{
char *pszNext = NULL;
xf86errno = 0;
unsigned long ul = xf86strtoul(pszValue, &pszNext, uBase);
if (ppszNext)
*ppszNext = pszNext;
if (RT_UNLIKELY(pszValue == pszNext))
return VERR_NO_DIGITS;
if (RT_UNLIKELY(ul > UINT32_MAX))
ul = UINT32_MAX;
if (pu32)
*pu32 = (uint32_t) ul;
if (RT_UNLIKELY(xf86errno == EINVAL))
return VERR_INVALID_PARAMETER;
if (RT_UNLIKELY(xf86errno == ERANGE))
return VWRN_NUMBER_TOO_BIG;
if (RT_UNLIKELY(xf86errno))
/* RTErrConvertFromErrno() is not available */
return VERR_UNRESOLVED_ERROR;
if (RT_UNLIKELY(*pszValue == '-'))
return VWRN_NEGATIVE_UNSIGNED;
if (RT_UNLIKELY(*pszNext))
{
while (*pszNext)
if (!xf86isspace(*pszNext))
return VWRN_TRAILING_CHARS;
return VWRN_TRAILING_SPACES;
}
return VINF_SUCCESS;
}
RTDECL(int) RTStrToUInt32Full(const char *pszValue, unsigned uBase, uint32_t *pu32)
{
char *psz;
int rc = RTStrToUInt32Ex(pszValue, &psz, uBase, pu32);
if (RT_SUCCESS(rc) && *psz)
if (rc == VWRN_TRAILING_CHARS || rc == VWRN_TRAILING_SPACES)
rc = -rc;
return rc;
}
RTDECL(void) RTAssertMsg1Weak(const char *pszExpr, unsigned uLine, const char *pszFile, const char *pszFunction)
{
ErrorF("Assertion failed! Expression: %s at %s in\n", pszExpr,
pszFunction);
ErrorF("%s:%u\n", pszFile, uLine);
}
RTDECL(void) RTAssertMsg2Weak(const char *pszFormat, ...)
{
va_list args;
va_start(args, pszFormat);
VErrorF(pszFormat, args);
va_end(args);
}
RTDECL(bool) RTAssertShouldPanic(void)
{
return false;
}
RTDECL(PRTLOGGER) RTLogRelDefaultInstance(void)
{
return NULL;
}
RTDECL(void) RTLogLoggerEx(PRTLOGGER, unsigned, unsigned, const char *pszFormat, ...)
{
va_list args;
va_start(args, pszFormat);
VErrorF(pszFormat, args);
va_end(args);
}
RTDECL(void *) RTMemTmpAllocTag(size_t cb, const char *pszTag)
{
NOREF(pszTag);
return xalloc(cb);
}
RTDECL(void) RTMemTmpFree(void *pv)
{
xfree(pv);
}
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