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Re: [PATCH 0/5] obstacks again
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From: |
Andreas Schwab |
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Subject: |
Re: [PATCH 0/5] obstacks again |
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Date: |
Sat, 06 Dec 2014 10:48:07 +0100 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) |
Alan Modra <address@hidden> writes:
> The alternative is to do as Paul suggested and make obstack_blank
> accept a negative length argument, but that would
> - kill >2G obstacks on 32-bit targets,
> - lose the nice symmetry with other obstack functions,
> and obstack_blank_fast is the right interface to use for shrinking.
It would reintroduce the nice symmetry that the *_fast functions are
just optimisations of the non-fast functions (if you know that the
obstack has enough space), without surprising behaviour change.
Andreas.
--
Andreas Schwab, address@hidden
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."