rockbox/firmware/export/logf.h
Frank Gevaerts 25e50ed8f1 Print `last logf lines on panic().
If logf is enabled, panic() will print the last lines. On small
screens this is more or less useless, but on large screens it
can be very useful for debugging.

Change-Id: I26dfc76e9ac4a2ddc2def8db1616a04f943dbba3
Reviewed-on: http://gerrit.rockbox.org/709
Reviewed-by: Thomas Martitz <kugel@rockbox.org>
Reviewed-by: Frank Gevaerts <frank@gevaerts.be>
Tested: Frank Gevaerts <frank@gevaerts.be>
2014-01-11 11:37:18 +01:00

57 lines
1.7 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 by Daniel Stenberg
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef LOGF_H
#define LOGF_H
#include <config.h>
#include <stdbool.h>
#include "gcc_extensions.h"
#include "debug.h"
#ifdef ROCKBOX_HAS_LOGF
#ifndef __PCTOOL__
#define MAX_LOGF_SIZE 16384
extern unsigned char logfbuffer[MAX_LOGF_SIZE];
extern int logfindex;
extern bool logfwrap;
#endif /* __PCTOOL__ */
#define logf _logf
void _logf(const char *format, ...) ATTRIBUTE_PRINTF(1, 2);
void logf_panic_dump(int *y);
#else /* !ROCKBOX_HAS_LOGF */
/* built without logf() support enabled, replace logf() by DEBUGF() */
#define logf(f,args...) DEBUGF(f"\n",##args)
#endif /* !ROCKBOX_HAS_LOGF */
#endif /* LOGF_H */
/* Allow fine tuning (per file) of the logf output */
#ifndef LOGF_ENABLE
#undef logf
#define logf(...) do { } while(0)
#endif