uORB move to PX4 platform layer

platforms/common/uORB/uORBUtils.cpp

@@ -0,0 +1,72 @@
+/****************************************************************************
+ *
+ *   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;
+}