From: Daniel Wagner <dwagner@suse.de>
Date: Fri, 8 Jul 2022 10:15:50 +0000 (+0200)
Subject: json: Add helper to serialize long double types
X-Git-Tag: v2.1-rc0~10^2~1
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b27e420d9caf2e5b61d0a192f610303cd0101845;p=users%2Fsagi%2Fnvme-cli.git

json: Add helper to serialize long double types

Introduce a helper to create a struct json_object from a long double
type.

Signed-off-by: Daniel Wagner <dwagner@suse.de>
---

diff --git a/util/json.c b/util/json.c
index 77aeea06..fd528611 100644
--- a/util/json.c
+++ b/util/json.c
@@ -1,2 +1,19 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
+#include <stdio.h>
+
 #include "json.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;
+
+}
diff --git a/util/json.h b/util/json.h
index dc8ebdb1..2b8022a9 100644
--- a/util/json.h
+++ b/util/json.h
@@ -25,6 +25,8 @@
 	} else								\
 		json_object_object_add(o, k, json_object_new_int(v))
 #endif
+#define json_object_add_value_double(o, k, v) \
+	json_object_object_add(o, k, util_json_object_new_double(v))
 #define json_object_add_value_float(o, k, v) \
 	json_object_object_add(o, k, json_object_new_double(v))
 #define json_object_add_value_string(o, k, v) \
@@ -41,4 +43,7 @@
 	printf("%s", json_object_to_json_string_ext(o,			\
 		JSON_C_TO_STRING_PRETTY |				\
 		JSON_C_TO_STRING_NOSLASHESCAPE))
+
+struct json_object *util_json_object_new_double(long double d);
+
 #endif