[PATCH] vbscript: Replace custom buffer management code by BSTR based helper.
Dmitry Timoshkov
dmitry at baikal.ru
Wed Oct 23 06:33:30 CDT 2019
Jacek Caban <jacek at codeweavers.com> wrote:
> The problem with using BSTRs is that you need to realloc every time
> something is appended. In cases like [1], the current approach uses one
> heap_alloc and one SysAllocString. You patch would need one
> SysAllocString and 6 reallocation.
This is an optimization that could be done in a similar way as strbuf_ensure_size()
currently does: double the size of an allocated BSTR instead of allocating
exactly old + new bytes for the final string. I can send an improved version
of the patch if desired.
--
Dmitry.
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