857158451b
1.Remove void cast for function because many place ignore the returned value witout cast 2.Replace void cast for variable with UNUSED macro Change-Id: Ie644129a563244a6397036789c4c3ea83c4e9b09 Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
117 lines
4.1 KiB
C
117 lines
4.1 KiB
C
/****************************************************************************
|
|
* apps/examples/sotest/lib/modprint/modprint.c
|
|
*
|
|
* Copyright (C) 2017 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 <sys/types.h>
|
|
#include <stdarg.h>
|
|
#include <dlfcn.h>
|
|
#include <syslog.h>
|
|
|
|
#include <nuttx/symtab.h>
|
|
#include <nuttx/lib/modlib.h>
|
|
|
|
/****************************************************************************
|
|
* Private Function Prototypes
|
|
****************************************************************************/
|
|
|
|
static void modprint(FAR const char *fmt, ...);
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
static const struct symtab_s g_modprint_exports[1] =
|
|
{
|
|
{
|
|
(FAR const char *)"modprint", (FAR const void *)modprint,
|
|
}
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: modprint
|
|
****************************************************************************/
|
|
|
|
static void modprint(FAR const char *fmt, ...)
|
|
{
|
|
va_list ap;
|
|
|
|
va_start(ap, fmt);
|
|
vsyslog(LOG_INFO, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: module_uninitialize
|
|
****************************************************************************/
|
|
|
|
static int module_uninitialize(FAR void *arg)
|
|
{
|
|
syslog(LOG_INFO, "module_uninitialize: arg=%p\n", arg);
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: module_initialize
|
|
*
|
|
* Description:
|
|
* Register /dev/sotest
|
|
*
|
|
****************************************************************************/
|
|
|
|
int module_initialize(FAR struct mod_info_s *modinfo)
|
|
{
|
|
syslog(LOG_INFO, "module_initialize:\n");
|
|
|
|
modinfo->uninitializer = module_uninitialize;
|
|
modinfo->arg = NULL;
|
|
modinfo->exports = g_modprint_exports;
|
|
modinfo->nexports = 1;
|
|
|
|
return OK;
|
|
}
|