From: Michael Tremer <michael.tremer@ipfire.org>
Date: Thu, 27 Mar 2025 11:15:31 +0000 (+0000)
Subject: archive write: Fetch length of serialized JSON string from libjson-c
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=4a262bfe4d9317b6ee4ed4304fcac386b35d5eee;p=pakfire.git

archive write: Fetch length of serialized JSON string from libjson-c

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/pakfire/archive_writer.c b/src/pakfire/archive_writer.c
index 660e1b75..cb7c3c60 100644
--- a/src/pakfire/archive_writer.c
+++ b/src/pakfire/archive_writer.c
@@ -672,16 +672,21 @@ ERROR:
 int pakfire_archive_writer_create_file_from_json(
 		struct pakfire_archive_writer* self, const char* path, mode_t mode, struct json_object* json) {
 	const char* buffer = NULL;
+	size_t length = 0;
+
+	// We must have some JSON data
+	if (!json)
+		return -EINVAL;
 
 	// Serialize JSON to string
-	buffer = json_object_to_json_string_ext(json, 0);
+	buffer = json_object_to_json_string_length(json, 0, &length);
 	if (!buffer) {
 		ERROR(self->ctx, "Failed to serialize JSON object: %m\n");
 		return -errno;
 	}
 
 	// Write it to the archive
-	return pakfire_archive_writer_create_file(self, path, mode, buffer, strlen(buffer));
+	return pakfire_archive_writer_create_file(self, path, mode, buffer, length);
 }
 
 int pakfire_archive_writer_create_file_from_file(