gnupg/g13/g13tuple.h

53 lines
1.9 KiB
C

/* g13tuple.h - Tuple handling
* Copyright (C) 2009 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
* GnuPG 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 of the License, or
* (at your option) any later version.
*
* GnuPG 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, see <https://www.gnu.org/licenses/>.
*/
#ifndef G13_G13TUPLE_H
#define G13_G13TUPLE_H
#include "../common/membuf.h"
/* Append a new tuple to a memory buffer. */
void append_tuple (membuf_t *membuf,
int tag, const void *value, size_t length);
void append_tuple_uint (membuf_t *membuf, int tag,
unsigned long long value);
/* The tuple descriptor object. */
struct tupledesc_s;
typedef struct tupledesc_s *tupledesc_t;
gpg_error_t create_tupledesc (tupledesc_t *r_tupledesc,
void *data, size_t datalen);
void destroy_tupledesc (tupledesc_t tupledesc);
tupledesc_t ref_tupledesc (tupledesc_t tupledesc);
#define unref_tupledesc(a) destroy_tupledesc ((a))
const void *get_tupledesc_data (tupledesc_t tupledesc, size_t *r_datalen);
const void *find_tuple (tupledesc_t tupledesc,
unsigned int tag, size_t *r_length);
gpg_error_t find_tuple_uint (tupledesc_t tupledesc, unsigned int tag,
unsigned long long *r_value);
const void *next_tuple (tupledesc_t tupledesc,
unsigned int *r_tag, size_t *r_length);
void dump_tupledesc (tupledesc_t tuples);
#endif /*G13_G13TUPLE_H*/