githubmirror/nvme-cli

util/json.c

60 строк1 KB

Daniel Wagner

util/json.h: Add json_object_get_uint64 fallback implementation

28 окт 2022, 12:02

28 окт 2022, 12:0237a3293

// SPDX-License-Identifier: GPL-2.0-or-later
#include <stdio.h>
#include <errno.h>

#include "json.h"
#include "types.h"

struct json_object *util_json_object_new_double(long double d)
{
	struct json_object *obj;
	char *str;

	if (asprintf(&str, "%Lf", d) < 0)
		return NULL;

	obj = json_object_new_string(str);

	free(str);
	return obj;

}

struct json_object *util_json_object_new_uint64(uint64_t i)
{
	struct json_object *obj;
	char *str;

	if (asprintf(&str, "%" PRIu64, i) < 0)
		return NULL;

	obj = json_object_new_string(str);

	free(str);
	return obj;

}

struct json_object *util_json_object_new_uint128(nvme_uint128_t  val)
{
	struct json_object *obj;
	obj = json_object_new_string(uint128_t_to_string(val));
	return obj;
}

uint64_t util_json_object_get_uint64(struct json_object *obj)
{
	uint64_t val = 0;

	if (json_object_is_type(obj, json_type_string)) {
		char *end = NULL;
		const char *buf;

		buf = json_object_get_string(obj);
		val = strtoull(buf, &end, 10);
		if ((val == 0 && errno != 0) || (end == buf))
			return 0;
	}

	return val;
}