nuttx/libs/libc/stdio/lib_remove.c

/****************************************************************************
 * libs/libc/stdio/lib_remove.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 <sys/stat.h>
#include <unistd.h>

/****************************************************************************
 * Public Functions
 ****************************************************************************/

/****************************************************************************
 * Name: remove
 *
 * Description:
 *   The remove() function causes the object denoted by path to be removed.
 *   The function is equivalent to unlink() or rmdir().
 *
 * Input Parameters:
 *   path - A pointer to a file or directory to be removed.
 *
 * Returned Value:
 *   0(OK) on success; -1(ERROR) on failure with errno set appropriately:
 *
 *   For returned errno values, see unlink or rmdir.
 *
 ****************************************************************************/

int remove(FAR const char *path)
{
  struct stat buf;
  int ret;

  /* Check the kind of object pointed by path */

  ret = stat(path, &buf);
  if (ret != 0)
    {
      return ret;
    }

  /* Act according to the kind of object */

  if (S_ISDIR(buf.st_mode))
    {
      return rmdir(path);
    }
  else
    {
      return unlink(path);
    }
}