temporary

path_t* to_path(char *path) {
/*
    unsigned int i = 0;
    unsigned int j = 0;
    unsigned int flag = 0;
    unsigned int size = 0;

    // (I) Calculate size needed for the path:
    // ----------------------------------------
    // remove repetitive slashes ///home//iocoder -> /home/iocoder
    do {
        // Terminator?
        if (!path[i]) break;

        if (path[i] == '/') {
            if (!flag) {
                flag = 1;
                size++;
            }
        } else {
            size++;
            flag = 0;
        }
    } while (++i);

    // (II) Remove trailing slash:
    // ---------------------------
    if (flag) size--;

    // (III) Path Relative to Current Working Directory?
    // --------------------------------------------------
    if (path[0] != '/') {
        if (size)
            size += cwd->size + 1; // +1 for the slash between cwd & path.
        else
            size = cwd->size; // path = cwd.
    }

    // (IV) Allocate Memory:
    // ----------------------
    path_t *ret = (path_t *) kmalloc(sizeof(path_t) + size);
    if (ret == (path_t *) NULLPTR) return ret; // return NULLPTR;

    // (V) Insert Data:
    // -------------------
    i = 0, j = 0;

    // Insert info:
    ret->size = size;

    // Copy cwd if needed:
    if (path[0] != '/') {
        for (; i < cwd->size; i++)
            ret->s[i] = cwd->s[i];

        // The slash between cwd & path:
        if (i < size)
            ret->s[i++] = '/';
    }

    // Copy path string:
    while(i < size) {
        ret->s[i++] = path[j++];
        if (path[j-1] == '/')
            while(path[j] == '/') j++;
    }

    // trailing \0:
    ret->s[i] = 0;

    // (VI) Return:
    // -------------
    return ret;
*/
}