/* json_support.c -- Helper functions for jansson and JSON
*
* Copyright (c) 1994-2019 Carnegie Mellon University. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
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*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The name "Carnegie Mellon University" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For permission or any legal
* details, please contact
* Carnegie Mellon University
* Center for Technology Transfer and Enterprise Creation
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* acknowledgment:
* "This product includes software developed by Computing Services
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* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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*/
#include <config.h>
#include <string.h>
#include <time.h>
#include "json_support.h"
int json_is_utcdate(json_t *json)
{
const char *s = NULL;
struct tm date;
if (!json_is_string(json)) return 0;
s = strptime(json_string_value(json), "%Y-%m-%dT%H:%M:%SZ", &date);
return (s && *s == '\0');
}
int json_array_find(json_t *array, const char *needle)
{
size_t i;
json_t *val;
json_array_foreach(array, i, val) {
if (!strcmp(needle, json_string_value(val))) return i;
}
return -1;
}
#ifdef NEED_JANSSON_JSON_DUMPB
/* https://jansson.readthedocs.io/en/2.11/apiref.html#c.json_dumpb */
EXPORTED size_t json_dumpb(const json_t *json,
char *buffer, size_t size, size_t flags)
{
char *s;
size_t slen;
s = json_dumps(json, flags);
if (!s) return 0;
slen = strlen(s);
if (slen > size) {
free(s);
return slen;
}
/* n.b. json_dumpb() does NOT nul-terminate the buffer! */
memcpy(buffer, s, slen);
free(s);
return slen;
}
#endif