datajson: reduce size length

diff --git a/src/datajson.h b/src/datajson.h
index f6f93a0e1edf54a6906416b66c4eae90a439347a..710485cc1f8bb86f16d166b912715755ae8c6446 100644 (file)
--- a/src/datajson.h
+++ b/src/datajson.h
@@ -31,7 +31,7 @@
 
 typedef struct DataJsonType {
     char *value;
-    size_t len;
+    uint16_t len;
 } DataJsonType;
 
 typedef struct DataJsonResultType {