json_missing.c

Go to the documentation of this file.

/*
 *   This program 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.
 *
 *   This program 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

/**
 * $Id: e2b4172ed46d336eeba735997d122381a26f621f $
 *
 * @brief Workarounds for missing functions in older json-c libraries.
 * @file json_missing.c
 *
 * @author Aaron Hurt <ahurt@anbcs.com>
 * @copyright 2013-2014 The FreeRADIUS Server Project.
 */
RCSID("$Id: e2b4172ed46d336eeba735997d122381a26f621f $")

#include <string.h>
#include "json_missing.h"

#ifndef HAVE_JSON_OBJECT_GET_STRING_LEN
int json_object_get_string_len(json_object *obj) {
        if (fr_json_object_get_type(obj) != json_type_string)
                return 0;
        return (int)strlen(json_object_get_string(obj));
}
#endif

#ifndef HAVE_JSON_OBJECT_OBJECT_GET_EX
int json_object_object_get_ex(struct json_object *jso, const char *key, struct json_object **value) {
        struct json_object *jobj;

        if ((jso == NULL) || (key == NULL)) return 0;
        if (value != NULL) *value = NULL;

        switch (fr_json_object_get_type(jso)) {
        case json_type_object:
                jobj = json_object_object_get(jso, key);
                if (jobj == NULL) return 0;

                if (value != NULL) *value = jobj;
                return 1;

        default:
                if (value != NULL) *value = NULL;
                return 0;
        }
}
#endif

#ifndef HAVE_JSON_TOKENER_GET_ERROR
enum json_tokener_error json_tokener_get_error(json_tokener *tok) {
        return tok->err;
}
#endif

#ifndef HAVE_JSON_TOKENER_ERROR_DESC
const char *json_tokener_error_desc(enum json_tokener_error jerr) {
        int jerr_int = (int)jerr;
        if (json_tokener_errors[jerr_int] == NULL)
                return "Unknown error, invalid json_tokener_error value passed to json_tokener_error_desc()";
        return json_tokener_errors[jerr_int];
}
#endif