mediafire-fuse/mfapi/folder.c

/*
 * Copyright (C) 2013 Bryan Christ <bryan.christ@mediafire.com>
 *               2014 Johannes Schauer <j.schauer@email.de>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2, as published by
 * the Free Software Foundation.
 *
 * 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.
 *
 */

#include <stdint.h>
#include <stdlib.h>
#include <string.h>

#include "folder.h"
#include "apicalls.h"

struct mffolder {
    char            folderkey[MFAPI_MAX_LEN_KEY + 1];
    char            name[MFAPI_MAX_LEN_NAME + 1];
    char            parent[MFAPI_MAX_LEN_KEY + 1];
    uint64_t        revision;
    time_t          created;
};

mffolder       *folder_alloc(void)
{
    mffolder       *folder;

    folder = (mffolder *) calloc(1, sizeof(mffolder));

    return folder;
}

void folder_free(mffolder * folder)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return;
    }

    free(folder);

    return;
}

int folder_set_key(mffolder * folder, const char *key)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return -1;
    }

    if (key == NULL) {
        memset(folder->folderkey, 0, sizeof(folder->folderkey));
    } else {
        if (strlen(key) != 13) {
            fprintf(stderr, "key length must be 13\n");
            return -1;
        }

        memset(folder->folderkey, 0, sizeof(folder->folderkey));
        strncpy(folder->folderkey, key, sizeof(folder->folderkey));
    }

    return 0;
}

const char     *folder_get_key(mffolder * folder)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return NULL;
    }

    if (folder->folderkey[0] == '\0') {
        return NULL;
    } else {
        return folder->folderkey;
    }
}

int folder_set_parent(mffolder * folder, const char *parent_key)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return -1;
    }

    if (parent_key == NULL) {
        memset(folder->parent, 0, sizeof(folder->parent));
    } else {
        memset(folder->parent, 0, sizeof(folder->parent));
        strncpy(folder->parent, parent_key, sizeof(folder->parent));
    }

    return 0;
}

const char     *folder_get_parent(mffolder * folder)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return NULL;
    }

    if (folder->parent[0] == '\0') {
        return NULL;
    } else {
        return folder->parent;
    }
}

int folder_set_name(mffolder * folder, const char *name)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return -1;
    }
    if (name == NULL) {
        fprintf(stderr, "name must not be NULL\n");
        return -1;
    }

    if (strlen(name) > MFAPI_MAX_LEN_NAME) {
        fprintf(stderr, "name must not be longer than %d\n",
                MFAPI_MAX_LEN_NAME);
        return -1;
    }

    memset(folder->name, 0, sizeof(folder->name));
    strncpy(folder->name, name, sizeof(folder->name));

    return 0;
}

const char     *folder_get_name(mffolder * folder)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return NULL;
    }

    return folder->name;
}

int folder_set_revision(mffolder * folder, uint64_t revision)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return -1;
    }

    folder->revision = revision;
    return 0;
}

uint64_t folder_get_revision(mffolder * folder)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return -1;
    }

    return folder->revision;
}

int folder_set_created(mffolder * folder, time_t created)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return -1;
    }

    folder->created = created;
    return 0;
}

time_t folder_get_created(mffolder * folder)
{
    if (folder == NULL) {
        fprintf(stderr, "folder must not be NULL\n");
        return -1;
    }

    return folder->created;
}