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/* json-common.h - Common defs for gpgme-json et al.
* Copyright (C) 2025 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 Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see <https://gnu.org/licenses/>.
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#ifndef GPGME_JSON_COMMON_H
#define GNUPG_JSON_COMMON_H
#ifndef BUILD_COMMITID
# error config.h not yet included
#endif
#ifdef GPGME_VERSION_NUMBER
# error gpgme.h already included
#endif
#define GPGRT_ENABLE_ES_MACROS 1
#define GPGRT_ENABLE_LOG_MACROS 1
#define GPGRT_ENABLE_ARGPARSE_MACROS 1
#include "gpgme.h"
#include "cJSON.h"
/* Only use calloc. */
#define CALLOC_ONLY 1
/* An object to keep state for the gpgme-json tools. For the classic
* gpgme-json tool tehre is just one instance of it but for a server
* there will be one per connection. */
struct json_common_s
{
/* True if interactive mode is active - this changes the way json
* objects are formatted. */
int interactive;
/* Pending data to be returned by a getmore command. */
struct
{
char *buffer; /* Malloced data or NULL if not used. */
size_t length; /* Length of that data. */
size_t written; /* # of already written bytes from BUFFER. */
} pending_data;
};
typedef struct json_common_s *ctrl_t;
#define xtrystrdup(a) gpgrt_strdup ((a))
#define xcalloc(a,b) ({ \
void *_r = gpgrt_calloc ((a), (b)); \
if (!_r) \
xoutofcore ("calloc"); \
_r; })
#define xstrdup(a) ({ \
char *_r = gpgrt_strdup ((a)); \
if (!_r) \
xoutofcore ("strdup"); \
_r; })
#define xstrconcat(a, ...) ({ \
char *_r = gpgrt_strconcat ((a), __VA_ARGS__); \
if (!_r) \
xoutofcore ("strconcat"); \
_r; })
#define xfree(a) gpgrt_free ((a))
#if CALLOC_ONLY
#define xtrymalloc(a) gpgrt_calloc (1, (a))
#define xmalloc(a) xcalloc(1, (a))
#else
#define xtrymalloc(a) gpgrt_malloc ((a))
#define xmalloc(a) ({ \
void *_r = gpgrt_malloc ((a)); \
if (!_r) \
xoutofcore ("malloc"); \
_r; })
#endif
#define spacep(p) (*(p) == ' ' || *(p) == '\t')
#ifndef HAVE_STPCPY
static GPGRT_INLINE char *
_my_stpcpy (char *a, const char *b)
{
while (*b)
*a++ = *b++;
*a = 0;
return a;
}
#define stpcpy(a,b) _my_stpcpy ((a), (b))
#endif /*!HAVE_STPCPY*/
/*-- json-util.c --*/
void xoutofcore (const char *type) GPGRT_ATTR_NORETURN;
void xfree_array (char **array);
const char *data_type_to_string (gpgme_data_type_t dt);
char *xjson_Print (cjson_t object);
cjson_t xjson_CreateObject (void);
cjson_t xjson_CreateArray (void);
gpg_error_t cjson_AddStringToObject (cjson_t object, const char *name,
const char *string);
void xjson_AddStringToObject (cjson_t object, const char *name,
const char *string);
void xjson_AddStringToObject0 (cjson_t object, const char *name,
const char *string);
void xjson_AddBoolToObject (cjson_t object, const char *name, int abool);
void xjson_AddNumberToObject (cjson_t object, const char *name, double dbl);
void xjson_AddItemToObject (cjson_t object, const char *name, cjson_t item);
cjson_t error_object (cjson_t json, const char *message, ...);
cjson_t gpg_error_object (cjson_t json, gpg_error_t err,
const char *message, ...);
char *error_object_string (const char *message, ...);
/*-- json-core.c --*/
char *json_core_process_request (ctrl_t ctrl, const char *request);
#endif /*GNUPG_JSON_COMMON_H*/
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