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/*
This file is part of TALER
Copyright (C) 2014-2021 Taler Systems SA
TALER 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 3, or (at your option) any later version.
TALER 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
TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* @file include/taler_extensions.h
* @brief Interface for extensions
* @author Özgür Kesim
*/
#ifndef TALER_EXTENSIONS_H
#define TALER_EXTENSIONS_H
#include <gnunet/gnunet_util_lib.h>
#define TALER_EXTENSION_SECTION_PREFIX "exchange-extension-"
enum TALER_EXTENSION_ReturnValue
{
TALER_EXTENSION_OK = 0,
TALER_EXTENSION_ERROR_PARSING = 1,
TALER_EXTENSION_ERROR_INVALID = 2,
TALER_EXTENSION_ERROR_SYS = 3
};
/*
* TALER Age Restriction Extensions
*/
#define TALER_EXTENSION_SECTION_AGE_RESTRICTION (TALER_EXTENSION_SECTION_PREFIX \
"agerestriction")
/**
* The default age mask represents the age groups
* 0-7, 8-9, 10-11, 12-13, 14-15, 16-17, 18-20, 21-...
*/
#define TALER_EXTENSION_DEFAULT_AGE_MASK (1 | 1 << 8 | 1 << 10 | 1 << 12 | 1 \
<< 14 | 1 << 16 | 1 << 18 | 1 \
<< 21)
/**
* @param groups String representation of age groups, like: "8:10:12:14:16:18:21"
* @param[out] mask Mask representation for age restriction.
* @return Error, if age groups were invalid, OK otherwise.
*/
enum TALER_EXTENSION_ReturnValue
TALER_parse_age_group_string (char *groups,
struct TALER_AgeMask *mask);
/**
*
* @param cfg
* @param[out] mask for age restriction, will be set to 0 if age restriction is disabled.
* @return Error if extension for age restriction was set but age groups were
* invalid, OK otherwise.
*/
enum TALER_EXTENSION_ReturnValue
TALER_get_age_mask (const struct GNUNET_CONFIGURATION_Handle *cfg,
struct TALER_AgeMask *mask);
#endif
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