[修改] 增加freeRTOS

1. 版本FreeRTOSv202212.01，命名为kernel；

kernel/FreeRTOS-Plus/Source/Reliance-Edge/util/namelen.c

@@ -0,0 +1,61 @@
+/*             ----> DO NOT REMOVE THE FOLLOWING NOTICE <----
+
+                   Copyright (c) 2014-2015 Datalight, Inc.
+                       All Rights Reserved Worldwide.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; use version 2 of the License.
+
+    This program is distributed in the hope that it will be useful,
+    but "AS-IS," WITHOUT ANY WARRANTY; without even the implied warranty
+    of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+/*  Businesses and individuals that for commercial or other reasons cannot
+    comply with the terms of the GPLv2 license may obtain a commercial license
+    before incorporating Reliance Edge into proprietary software for
+    distribution in any form.  Visit http://www.datalight.com/reliance-edge for
+    more information.
+*/
+/** @file
+    @brief Implements a utility to find the length of a name.
+*/
+#include <redfs.h>
+
+#if REDCONF_API_POSIX == 1
+
+
+/** @brief Determine the length of a name, terminated either by a null or a path
+           separator character.
+
+    @param pszName  The name whose length is to be determined.
+
+    @return The length of the name.
+*/
+uint32_t RedNameLen(
+    const char *pszName)
+{
+    uint32_t    ulIdx = 0U;
+
+    if(pszName == NULL)
+    {
+        REDERROR();
+    }
+    else
+    {
+        while((pszName[ulIdx] != '\0') && (pszName[ulIdx] != REDCONF_PATH_SEPARATOR))
+        {
+            ulIdx++;
+        }
+    }
+
+    return ulIdx;
+}
+
+#endif
+