129 lines
4.9 KiB
C
129 lines
4.9 KiB
C
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/****************************************************************************
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* lib/stdio/lib_lowprintf.c
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*
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* Copyright (C) 2007-2009, 2011-2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <debug.h>
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#include "lib_internal.h"
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/* This interface can only be used from within the kernel */
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#if !defined(CONFIG_NUTTX_KERNEL) || defined(__KERNEL__)
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Type Declarations
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Global Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Global Constant Data
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****************************************************************************/
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/****************************************************************************
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* Global Variables
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****************************************************************************/
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/****************************************************************************
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* Private Constant Data
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****************************************************************************/
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/****************************************************************************
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* Private Variables
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: lib_lowvprintf
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****************************************************************************/
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#if defined(CONFIG_ARCH_LOWPUTC) || defined(CONFIG_SYSLOG)
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int lib_lowvprintf(const char *fmt, va_list ap)
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{
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struct lib_outstream_s stream;
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/* Wrap the stdout in a stream object and let lib_vsprintf do the work. */
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#ifdef CONFIG_SYSLOG
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lib_syslogstream((FAR struct lib_outstream_s *)&stream);
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#else
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lib_lowoutstream((FAR struct lib_outstream_s *)&stream);
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#endif
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return lib_vsprintf((FAR struct lib_outstream_s *)&stream, fmt, ap);
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}
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/****************************************************************************
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* Name: lib_lowprintf
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****************************************************************************/
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int lib_lowprintf(const char *fmt, ...)
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{
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va_list ap;
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int ret;
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#ifdef CONFIG_DEBUG_ENABLE
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ret = 0;
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if (g_dbgenable)
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#endif
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{
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va_start(ap, fmt);
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ret = lib_lowvprintf(fmt, ap);
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va_end(ap);
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}
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return ret;
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}
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#endif /* CONFIG_ARCH_LOWPUTC || CONFIG_SYSLOG */
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#endif /* __KERNEL__ */
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