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context.h
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/* context.h
* Copyright (C) 2000 Werner Koch (dd9jn)
* Copyright (C) 2001, 2002 g10 Code GmbH
*
* This file is part of GPGME.
*
* GPGME 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 2 of the License, or
* (at your option) any later version.
*
* GPGME 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef CONTEXT_H
#define CONTEXT_H
#include "gpgme.h"
#include "types.h"
#include "engine.h"
struct key_queue_item_s {
struct key_queue_item_s *next;
GpgmeKey key;
};
struct trust_queue_item_s {
struct trust_queue_item_s *next;
GpgmeTrustItem item;
};
/* Currently we need it at several places, so we put the definition
* into this header file */
struct gpgme_context_s
{
int initialized;
/* A gpg request is still pending. */
int pending;
int use_cms;
/* At some points we need to remember an error which we can't report
immediately. */
GpgmeError error;
/* Cancel operation requested. */
int cancel;
/* The running engine process. */
EngineObject engine;
/* Level of verbosity to use. */
int verbosity;
int use_armor;
int use_textmode;
int keylist_mode;
int include_certs;
/* The number of keys in signers. */
int signers_len;
/* Size of the following array. */
int signers_size;
GpgmeKey *signers;
struct
{
VerifyResult verify;
DecryptResult decrypt;
SignResult sign;
EncryptResult encrypt;
PassphraseResult passphrase;
ImportResult import;
DeleteResult delete;
GenKeyResult genkey;
} result;
/* Last signature notation. */
GpgmeData notation;
/* Last operation info. */
GpgmeData op_info;
/* Used by keylist.c. */
GpgmeKey tmp_key;
/* Something new is available. */
volatile int key_cond;
struct key_queue_item_s *key_queue;
struct trust_queue_item_s *trust_queue;
GpgmePassphraseCb passphrase_cb;
void *passphrase_cb_value;
GpgmeProgressCb progress_cb;
void *progress_cb_value;
GpgmeData help_data_1;
};
struct gpgme_data_s {
size_t len;
const char *data;
GpgmeDataType type;
GpgmeDataMode mode;
int (*read_cb)( void *, char *, size_t, size_t *);
void *read_cb_value;
int read_cb_eof;
size_t readpos;
size_t writepos;
size_t private_len;
char *private_buffer;
};
struct user_id_s {
struct user_id_s *next;
unsigned int revoked:1;
unsigned int invalid:1;
GpgmeValidity validity;
const char *name_part; /* all 3 point into strings behind name */
const char *email_part; /* or to read-only strings */
const char *comment_part;
char name[1];
};
struct gpgme_recipients_s {
struct user_id_s *list;
int checked; /* wether the recipients are all valid */
};
#define fail_on_pending_request(c) \
do { \
if (!(c)) return GPGME_Invalid_Value; \
if ((c)->pending) return GPGME_Busy; \
} while (0)
#define wait_on_request_or_fail(c) \
do { \
if (!(c)) return GPGME_Invalid_Value;\
if (!(c)->pending) return GPGME_No_Request; \
gpgme_wait ((c), 1); \
} while (0)
#endif /* CONTEXT_H */

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