/******************************************************************************
 * Copyright (c) 2019 Parrot S.A.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * 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.
 *   * Neither the name of the Parrot Company 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 PARROT COMPANY 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
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * @file fs.h
 *
 * @brief file system utility tools
 *
 *****************************************************************************/
#ifndef _FUTILS_FS_H
#define _FUTILS_FS_H

#include <stdbool.h>
#include <inttypes.h>

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/**
 * Compute the actual used size in a directory.
 *
 * The size is obtained by summing the sizes of the regular files contained in
 * the directory, and (if recursive is true) in sub-directories.
 *
 * @param path:         Path to the directory
 * @param recursive:    set to true to recursively calculate directory size
 * @return              size calculated in bytes or -errno if negative.
 */
int64_t futils_fs_dir_size(const char *path, bool recursive);

#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* _FUTILS_FS_H */