Hello, shejialuo <shejialuo@xxxxxxxxx> writes: > Hi All: > > This version follows the Junio's advice. Instead of creating the > following data structure: > > struct fsck_options { > enum fsck_type { > FSCK_OBJECTS, > FSCK_REFS, > ... > } t; > union { > struct fsck_objects_options objects; > struct fsck_refs_options refs; > } u; > }; > > I simply use the combination idea where "fsck_options" will incorporate > "fsck_objects_options" and "fsck_refs_options". Karthik has told me that > I should balance the job I should does and the extensibility for future. > So I use the most clear way to do this. Also Junio has said: > If I understood Junio's comments correctly, he was drawing out the point about if we even need the separation of options for refs. Since the only option we're adding is a verbose: struct fsck_refs_options { unsigned verbose:1; }; wouldn't it be better if we simply amended `fsck_options` as so: diff --git a/fsck.h b/fsck.h index 6085a384f6..ea97f48acc 100644 --- a/fsck.h +++ b/fsck.h @@ -135,6 +135,7 @@ struct fsck_options { fsck_walk_func walk; fsck_error error_func; unsigned strict:1; + unsigned verbose_refs:1; enum fsck_msg_type *msg_type; struct oidset skiplist; struct oidset gitmodules_found; Your approach seems to take a different path though, where we create a new route of creating two new structs, one for refs and another for objects and adding both to fsck_objects. If we're doing this, wouldn't it be better to use the enum+union idea, like Junio mentioned? That way we would have clarity around which type it represents. [snip]
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