uORBUtils.cpp
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/****************************************************************************
*
* Copyright (c) 2012-2015 PX4 Development Team. All rights reserved.
*
* 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 PX4 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.
*
****************************************************************************/
#include "uORBUtils.hpp"
#include <stdio.h>
#include <errno.h>
int uORB::Utils::node_mkpath(char *buf, const struct orb_metadata *meta, int *instance)
{
unsigned len;
unsigned index = 0;
if (instance != nullptr) {
index = *instance;
}
len = snprintf(buf, orb_maxpath, "/%s/%s%d", "obj", meta->o_name, index);
if (len >= orb_maxpath) {
return -ENAMETOOLONG;
}
return OK;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int uORB::Utils::node_mkpath(char *buf, const char *orbMsgName)
{
unsigned len;
unsigned index = 0;
len = snprintf(buf, orb_maxpath, "/%s/%s%d", "obj", orbMsgName, index);
if (len >= orb_maxpath) {
return -ENAMETOOLONG;
}
return OK;
}