nuttx/fs/inode/fs_inodebasename.c
2021-03-09 23:18:28 +08:00

72 lines
2.3 KiB
C

/****************************************************************************
* fs/inode/fs_inodebasename.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include "inode/inode.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: inode_basename
*
* Description:
* Given a path with node names separated by '/', return name of last
* segment in the path. ""
*
****************************************************************************/
FAR const char *inode_basename(FAR const char *name)
{
FAR const char *basename = NULL;
for (; ; )
{
/* Get the name for the next path segment */
name = inode_nextname(name);
/* When the final segment is terminated by the NUL character, then
* previous name that we saved is the basename.
*/
if (name == NULL || *name == '\0')
{
/* Break out of the loop with basename pointer to the final
* segment of the path.
*/
break;
}
/* Set basename to point to the remainder of the path */
basename = name;
}
return basename;
}