void config_setting_copy_simple(config_setting_t * parent, const config_setting_t * src);

void config_setting_copy_elem(config_setting_t * parent, const config_setting_t * src);

void config_setting_copy_aggregate(config_setting_t * parent, const config_setting_t * src);

int config_setting_copy(config_setting_t * parent, const config_setting_t * src);

void config_setting_copy_simple(config_setting_t * parent, const config_setting_t * src)

{

    if(config_setting_is_aggregate(src))

    {

        config_setting_copy_aggregate(parent, src);

    }

    else 

    {

        config_setting_t * set;

        set = config_setting_add(parent, config_setting_name(src), config_setting_type(src));

        if(CONFIG_TYPE_INT == config_setting_type(src))

        {

            config_setting_set_int(set, config_setting_get_int(src));

            config_setting_set_format(set, src->format);

        }

        else if(CONFIG_TYPE_INT64 == config_setting_type(src))

        {

            config_setting_set_int64(set, config_setting_get_int64(src));

            config_setting_set_format(set, src->format);

        }

        else if(CONFIG_TYPE_FLOAT == config_setting_type(src))

            config_setting_set_float(set, config_setting_get_float(src));

        else if(CONFIG_TYPE_STRING == config_setting_type(src))

            config_setting_set_string(set, config_setting_get_string(src));

        else if(CONFIG_TYPE_BOOL == config_setting_type(src))

            config_setting_set_bool(set, config_setting_get_bool(src));

    }

}

void config_setting_copy_elem(config_setting_t * parent, const config_setting_t * src)

{

    config_setting_t * set;

    set = NULL;

    if(config_setting_is_aggregate(src))

        config_setting_copy_aggregate(parent, src);

    else if(CONFIG_TYPE_INT == config_setting_type(src))

    {

        set = config_setting_set_int_elem(parent, -1, config_setting_get_int(src));

        config_setting_set_format(set, src->format);

    }

    else if(CONFIG_TYPE_INT64 == config_setting_type(src))

    {

        set = config_setting_set_int64_elem(parent, -1, config_setting_get_int64(src));

        config_setting_set_format(set, src->format);   

    }

    else if(CONFIG_TYPE_FLOAT == config_setting_type(src))

        set = config_setting_set_float_elem(parent, -1, config_setting_get_float(src));

    else if(CONFIG_TYPE_STRING == config_setting_type(src))

        set = config_setting_set_string_elem(parent, -1, config_setting_get_string(src));

    else if(CONFIG_TYPE_BOOL == config_setting_type(src))

        set = config_setting_set_bool_elem(parent, -1, config_setting_get_bool(src));

}

void config_setting_copy_aggregate(config_setting_t * parent, const config_setting_t * src)

{

    config_setting_t * newAgg;

    int i, n;

    newAgg = config_setting_add(parent, config_setting_name(src), config_setting_type(src));

    n = config_setting_length(src);    

    for(i = 0; i < n; i++)

    {

        if(config_setting_is_group(src))

        {

            config_setting_copy_simple(newAgg, config_setting_get_elem(src, i));            

        }

        else

        {

            config_setting_copy_elem(newAgg, config_setting_get_elem(src, i));

        }        

    }

}

int config_setting_copy(config_setting_t * parent, const config_setting_t * src)

{

    if((!config_setting_is_group(parent)) &&

       (!config_setting_is_list(parent)))

        return CONFIG_FALSE;

    if(config_setting_is_aggregate(src))

    {

        config_setting_copy_aggregate(parent, src);

    }

    else

    {

        config_setting_copy_simple(parent, src);

    }

    return CONFIG_TRUE;

}

//Some sample code

//-----------------------------------------------------------------------------

int main(int argc, char *argv[]) 

//-----------------------------------------------------------------------------

{

    config_t cfgSrc;

    config_t cfgSrcCopy;

    config_t cfgDst;

    config_init(&cfgSrc);

    config_init(&cfgSrcCopy);

    config_init(&cfgDst);

    if(CONFIG_FALSE == config_read_file(&cfgSrc, "/data/menu/cfgSrc.cfg"))

    {

        fprintf(stderr, "Failed to open cfgSrc.cfg\n");

    }

    if(CONFIG_FALSE == config_read_file(&cfgDst, "/data/menu/cfgDst.cfg"))

    {

        fprintf(stderr, "Failed to open cfgDst.cfg\n");

    }    

    /*

    printf("Dump cfgSrc.cfg\n");

    DumpCfgSetting(config_root_setting(&cfgSrc));

    printf("Dump cfgDst.cfg\n");

    DumpCfgSetting(config_root_setting(&cfgDst));

    */

    config_setting_t * src;

    config_setting_t * dst;

    dst = config_lookup(&cfgDst, "grp1");

    if((0 != (dst = config_lookup(&cfgDst, "grp1"))) &&

       (0 != (src = config_lookup(&cfgSrc, "application.window"))))

       //(0 != (src = config_lookup(&cfgSrc, "list"))))

    {

        if(CONFIG_FALSE == config_setting_copy(dst, src))

        {

            printf("Failed to copy src to dst\n");

        }

    }

    config_setting_copy(config_root_setting(&cfgSrcCopy), config_root_setting(&cfgSrc));

    config_write_file(&cfgDst, "/data/menu/cfgDstMod.cfg");

    config_write_file(&cfgSrcCopy, "/data/menu/cfgSrcCpy.cfg");

    config_write_file(&cfgSrc, "/data/menu/cfgSrcOrig.cfg");

    config_destroy(&cfgSrc);

    config_destroy(&cfgDst);

    return 0;

}