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/****************************************************************************
* libc/misc/lib_dbg.c
*
* Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdarg.h>
#include <debug.h>
#include "lib_internal.h"
/****************************************************************************
* Global Variables
****************************************************************************/
/* Debug output is initially disabled */
#ifdef CONFIG_SYSLOG_ENABLE
bool g_syslogenable;
#endif
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Name: syslog_enable
*
* Description:
* Enable or disable debug output.
*
****************************************************************************/
#ifdef CONFIG_SYSLOG_ENABLE
void syslog_enable(bool enable)
{
g_syslogenable = enable;
}
#endif
/****************************************************************************
* Name: dbg, lldbg, vdbg
*
* Description:
* If the cross-compiler's pre-processor does not support variable
* length arguments, then these additional APIs will be built.
*
****************************************************************************/
#ifndef CONFIG_CPP_HAVE_VARARGS
#ifdef CONFIG_DEBUG
int dbg(const char *format, ...)
{
va_list ap;
int ret;
#ifdef CONFIG_SYSLOG_ENABLE
ret = 0;
if (g_syslogenable)
#endif
{
va_start(ap, format);
ret = vsyslog(format, ap);
va_end(ap);
}
return ret;
}
#ifdef CONFIG_ARCH_LOWPUTC
int lldbg(const char *format, ...)
{
va_list ap;
int ret;
#ifdef CONFIG_SYSLOG_ENABLE
ret = 0;
if (g_syslogenable)
#endif
{
va_start(ap, format);
ret = lowvsyslog(format, ap);
va_end(ap);
}
return ret;
}
#endif
#ifdef CONFIG_DEBUG_VERBOSE
int vdbg(const char *format, ...)
{
va_list ap;
int ret;
#ifdef CONFIG_SYSLOG_ENABLE
ret = 0;
if (g_syslogenable)
#endif
{
va_start(ap, format);
ret = vsyslog(format, ap);
va_end(ap);
}
return ret;
}
#ifdef CONFIG_ARCH_LOWPUTC
int llvdbg(const char *format, ...)
{
va_list ap;
int ret;
#ifdef CONFIG_SYSLOG_ENABLE
ret = 0;
if (g_syslogenable)
#endif
{
va_start(ap, format);
ret = lowvsyslog(format, ap);
va_end(ap);
}
return ret;
}
#endif /* CONFIG_ARCH_LOWPUTC */
#endif /* CONFIG_DEBUG_VERBOSE */
#endif /* CONFIG_DEBUG */
#endif /* CONFIG_CPP_HAVE_VARARGS */
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