Plugin tail_csv: if TimeFrom is not specified in config file

the default value for time_from is -1 and the type of fileds_num
is size_t, so the comparsion of signed and unsigned not work as espected

diff --git a/src/tail_csv.c b/src/tail_csv.c
index a70b665..6c3d5f7 100644 (file)
--- a/src/tail_csv.c
+++ b/src/tail_csv.c
@@ -106,7 +106,10 @@ static int tcsv_read_metric (instance_definition_t *id,
     if (md->data_source_type == -1)
         return (EINVAL);
 
-    if ((md->value_from >= fields_num) || (id->time_from >= fields_num))
+    if (md->value_from >= fields_num)
+        return (EINVAL);
+
+    if (id->time_from >= 0 && (id->time_from >= fields_num))
         return (EINVAL);
 
     t = 0;