remove useless struct, add json length type macro

- previously used progress struct was a leftover from when libcurl examples were used
- json_object_array_length returns int pre 0.13 and site_t on any other version

1 files changed, 10 insertions, 0 deletions

diff --git a/src/common.h b/src/common.h
index 5916b99..a77d0a2 100644
--- a/src/common.h
+++ b/src/common.h
@@ -39,6 +39,16 @@
 #define UNUSED
 #endif
 
+#include <json.h>
+
+// since json-c 0.13 json_object_array_length returns a size_t
+#if defined(JSON_C_MINOR_VERSION) && JSON_C_MINOR_VERSION >= 13
+#define JSON_LENGTH_TYPE size_t
+#else
+#define JSON_LENGTH_TYPE int
+#endif
+
+
 struct MemoryStruct {
     uint8_t* memory;
     size_t size;