On 11.08.2015 17:02, Philip Martin wrote: > Stefan Fuhrmann <stefan.fuhrm...@wandisco.com> writes: > >> way we use sizeof. In my opinion, we should take the >> size of the created or processed variable instead of its >> type, i.e. >> >> abc_t *v = apr_pcalloc(pool, sizeof(*v)); >> apr_hash_set(hash, key, sizeof(*key), y); >> z = apr_hash_get(hash, key, sizeof(*key)); >> >> rather than >> >> abc_t *v = apr_pcalloc(pool, sizeof(abc_t)); >> apr_hash_set(hash, key, sizeof(key_t), y); >> z = apr_hash_get(hash, key, sizeof(key_t)); > We have had problems with both styles in the past, so neither is immune > to bugs. I prefer the explicit type as it is easier to grep.
The explicit type form is more accident-prone than the variable form because any change requires two modifications in the same statement instead of one. -- Brane