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- /****************************************************************************
- * libs/libc/syslog/lib_syslog.c
- *
- * Copyright (C) 2007-2009, 2011-2014, 2016, 2018 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 <syslog.h>
- #include <nuttx/syslog/syslog.h>
- #include "syslog/syslog.h"
- /****************************************************************************
- * Public Functions
- ****************************************************************************/
- /****************************************************************************
- * Name: vsyslog
- *
- * Description:
- * The function vsyslog() performs the same task as syslog() with the
- * difference that it takes a set of arguments which have been obtained
- * using the stdarg variable argument list macros.
- *
- * Returned Value:
- * None.
- *
- ****************************************************************************/
- void vsyslog(int priority, FAR const IPTR char *fmt, va_list ap)
- {
- /* Check if this priority is enabled */
- if ((g_syslog_mask & LOG_MASK(priority)) != 0)
- {
- /* Yes.. Perform the nx_vsyslog system call.
- *
- * NOTE: The va_list parameter is passed by reference. That is
- * because the va_list is a structure in some compilers and passing
- * of structures in the NuttX syscalls does not work.
- */
- #ifdef va_copy
- va_list copy;
- va_copy(copy, ap);
- nx_vsyslog(priority, fmt, ©);
- va_end(copy);
- #else
- nx_vsyslog(priority, fmt, &ap);
- #endif
- }
- }
- /****************************************************************************
- * Name: syslog
- *
- * Description:
- * syslog() generates a log message. The priority argument is formed by
- * ORing the facility and the level values (see include/syslog.h). The
- * remaining arguments are a format, as in printf and any arguments to the
- * format.
- *
- * The NuttX implementation does not support any special formatting
- * characters beyond those supported by printf.
- *
- * Returned Value:
- * None.
- *
- ****************************************************************************/
- void syslog(int priority, FAR const IPTR char *fmt, ...)
- {
- va_list ap;
- /* Let vsyslog do the work */
- va_start(ap, fmt);
- vsyslog(priority, fmt, ap);
- va_end(ap);
- }
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