incubator-nuttx/libs/libc/dirent/lib_ftw.c

47 lines
1.7 KiB
C

/****************************************************************************
* libs/libc/dirent/lib_ftw.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 <ftw.h>
/****************************************************************************
* Public Functions
****************************************************************************/
int ftw(FAR const char *path, ftw_cb_t fn, int fdlimit)
{
/* The following cast assumes that calling a function with one
* argument more than it needs behaves as expected. This is
* actually undefined, but works on all real-world machines.
*/
union
{
ftw_cb_t ftw;
nftw_cb_t nftw;
} u;
u.ftw = fn;
return nftw(path, u.nftw, fdlimit, FTW_PHYS);
}