logformat.cpp revision bb8514afea788f4695104b39a4d7c4ef3cb26392
/* $Id$ */
/** @file
* InnoTek Portable Runtime - Log Formatter.
*/
/*
* Copyright (C) 2006 InnoTek Systemberatung GmbH
*
* 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 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.
*
* If you received this file as part of a commercial VirtualBox
* distribution, then only the terms of your commercial VirtualBox
* license agreement apply instead of the previous paragraph.
*/
/*******************************************************************************
* Header Files *
*******************************************************************************/
#include <iprt/log.h>
#include <iprt/string.h>
#include <iprt/assert.h>
#ifdef IN_RING3
# include <iprt/thread.h>
# include <iprt/err.h>
#endif
#include <iprt/stdarg.h>
#include <iprt/string.h>
/*******************************************************************************
* Internal Functions *
*******************************************************************************/
static DECLCALLBACK(int) rtlogFormatStr(void *pvArg, PFNRTSTROUTPUT pfnOutput,
void *pvArgOutput, const char **ppszFormat,
va_list *pArgs, int cchWidth, int cchPrecision,
unsigned fFlags, char chArgSize);
/**
* Partial vsprintf worker implementation.
*
* @returns number of bytes formatted.
* @param pfnOutput Output worker.
* Called in two ways. Normally with a string an it's length.
* For termination, it's called with NULL for string, 0 for length.
* @param pvArg Argument to output worker.
* @param pszFormat Format string.
* @param args Argument list.
*/
RTDECL(size_t) RTLogFormatV(PFNRTSTROUTPUT pfnOutput, void *pvArg, const char *pszFormat, va_list args)
{
return RTStrFormatV(pfnOutput, pvArg, rtlogFormatStr, NULL, pszFormat, args);
}
/**
* Callback to format VBox formatting extentions.
* See @ref pg_rt_str_format_rt for a reference on the format types.
*
* @returns The number of bytes formatted.
* @param pvArg Formatter argument.
* @param pfnOutput Pointer to output function.
* @param pvArgOutput Argument for the output function.
* @param ppszFormat Pointer to the format string pointer. Advance this till the char
* after the format specifier.
* @param pArgs Pointer to the argument list. Use this to fetch the arguments.
* @param cchWidth Format Width. -1 if not specified.
* @param cchPrecision Format Precision. -1 if not specified.
* @param fFlags Flags (RTSTR_NTFS_*).
* @param chArgSize The argument size specifier, 'l' or 'L'.
*/
static DECLCALLBACK(int) rtlogFormatStr(void *pvArg, PFNRTSTROUTPUT pfnOutput, void *pvArgOutput,
const char **ppszFormat, va_list *pArgs, int cchWidth, int cchPrecision, unsigned fFlags, char chArgSize)
{
char ch = *(*ppszFormat)++;
AssertMsgFailed(("Invalid logger format type '%%%c%.10s'!\n", ch, *ppszFormat)); NOREF(ch);
return 0;
}