Fixed build warnings with gcc >= 7.3

Reduced the number of warnings in native host configuration (here
Tumbleweed) in order to not hide true/real warnings that may appear
in the future.

Signed-off-by: Sebastien Douheret <sebastien.douheret@iot.bzh>

diff --git a/wrap-json.c b/wrap-json.c
index fd0ed4a..eace887 100644 (file)
--- a/wrap-json.c
+++ b/wrap-json.c
@@ -702,7 +702,7 @@ static int vunpack(struct json_object *object, const char *desc, va_list args, i
                                if (!ignore) {
                                        if (!json_object_is_type(obj, json_type_array))
                                                goto missfit;
-                                       top->count = json_object_array_length(obj);
+                                       top->count = (int)json_object_array_length(obj);
                                }
                                xacc[0] = ']';
                                acc = unpack_accept_arr;
@@ -863,7 +863,7 @@ static void object_for_all(struct json_object *object, void (*callback)(void*,st
 
 static void array_for_all(struct json_object *object, void (*callback)(void*,struct json_object*), void *closure)
 {
-       int n = json_object_array_length(object);
+       int n = (int)json_object_array_length(object);
        int i = 0;
        while(i < n)
                callback(closure, json_object_array_get_idx(object, i++));
@@ -906,7 +906,7 @@ void wrap_json_for_all(struct json_object *object, void (*callback)(void*,struct
        else if (!json_object_is_type(object, json_type_array))
                callback(closure, object, NULL);
        else {
-               int n = json_object_array_length(object);
+               int n = (int)json_object_array_length(object);
                int i = 0;
                while(i < n)
                        callback(closure, json_object_array_get_idx(object, i++), NULL);