/*

 * This file is part of libbluray

 * Copyright (C) 2014  Petri Hintukainen

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 */

#if HAVE_CONFIG_H

#include "config.h"

#endif

#include "file.h"

#include "util/logging.h"

#include "util/macro.h"

#include "util/strutl.h"

#include <stdio.h>  // SEEK_*

#include <string.h> // strchr

int64_t file_size(BD_FILE_H *fp)

{

    int64_t pos    = file_tell(fp);

    int64_t res1   = file_seek(fp, 0, SEEK_END);

    int64_t length = file_tell(fp);

    int64_t res2   = file_seek(fp, pos, SEEK_SET);

    if (res1 < 0 || res2 < 0 || pos < 0 || length < 0) {

        return -1;

    }

    return length;

}

int file_mkdirs(const char *path)

{

    int result = 0;

    char *dir = str_dup(path);

    char *end = dir;

    char *p;

    if (!dir) {

        return -1;

    }

    /* strip file name */

    if (!(end = strrchr(end, DIR_SEP_CHAR))) {

        X_FREE(dir);

        return -1;

    }

    *end = 0;

    /* tokenize, stop to first existing dir */

    while ((p = strrchr(dir, DIR_SEP_CHAR))) {

        if (!file_path_exists(dir)) {

            break;

        }

        *p = 0;

    }

    /* create missing dirs */

    p = dir;

    while (p < end) {

        /* concatenate next non-existing dir */

        while (*p) p++;

        if (p >= end) break;

        *p = DIR_SEP_CHAR;

        result = file_mkdir(dir);

        if (result < 0) {

            BD_DEBUG(DBG_FILE | DBG_CRIT, "Error creating directory %s\n", dir);

            break;

        }

        BD_DEBUG(DBG_FILE, "  created directory %s\n", dir);

    }

    X_FREE(dir);

    return result;

}