err proc for fieldstat_get_cube_versionv4.0.5

1 files changed, 12 insertions, 3 deletions

diff --git a/src/fieldstat.c b/src/fieldstat.c
index 5d2603f..f5f2f12 100644
--- a/src/fieldstat.c
+++ b/src/fieldstat.c
@@ -127,12 +127,21 @@ int fieldstat_unregister_cube(struct fieldstat *instance, int cube_id)
     return 0;
 }
 
-unsigned long fieldstat_get_cube_version(const struct fieldstat *instance, int cube_id)
+long long fieldstat_get_cube_version(const struct fieldstat *instance, int cube_id)
 {
+    if (instance == NULL) {
+        return -1;
+    }
+    if (cube_id < 0) {
+        return -2;
+    }
     if (cube_id >= instance->valid_cube_arr_length) {
-        //printf("ERR: cube_id is out of range\n");
-        return 0;
+        return -3;
+    }
+    if (instance->cube[cube_id] == NULL && instance->cube_version[cube_id] == 0) {
+        return -3;
     }
+
     return instance->cube_version[cube_id];
 }