/*
    Copyright (C) 2010-2014 jeanfi@gmail.com

    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; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but 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
*/

#ifndef _P_IO_H
#define _P_IO_H

#define P_IO_VER 4

/* Returns '1' if a given 'path' denotates a directory else returns
   0 */
int is_dir(const char *path);

/* Returns '1' if a given 'path' denotates a file else returns
   0 */
int is_file(const char *path);

/*  Returns a normalized path */
char *path_normalize(const char *dpath);

/*  Returns the null-terminated entries of a directory */
char **dir_list(const char *dpath, int (*filter) (const char *path));
void paths_free(char **paths);

char *path_append(const char *dir, const char *path);

/*
   Returns the size of a file.
   Returns '-1' if the size cannot be retrieved or not a file.
*/
long file_get_size(const char *path);

/*
   Returns the content of a file.
   Returns 'NULL' if the file cannot be read or failed to allocate
   enough memory.
   Returns an empty string if the file exists but is empty.
*/
char *file_get_content(const char *path);

enum file_copy_error {
	FILE_COPY_ERROR_OPEN_SRC = 1,
	FILE_COPY_ERROR_OPEN_DST,
	FILE_COPY_ERROR_READ,
	FILE_COPY_ERROR_WRITE,
	FILE_COPY_ERROR_ALLOC_BUFFER
};

void file_copy_print_error(int code, const char *src, const char *dst);

/*
  Copy a file.

  Returns '0' if sucessfull, otherwise return the error code.
*/
int file_copy(const char *src, const char *dst);

int dir_rcopy(const char *, const char *);

void mkdirs(const char *dirs, mode_t mode);

#endif
