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Re: Reduce stack usage of _vfiprintf_r()
- From: Federico Terraneo <fede dot tft at hotmail dot it>
- To: newlib at sourceware dot org
- Date: Sat, 13 Oct 2012 12:34:37 +0200
- Subject: Re: Reduce stack usage of _vfiprintf_r()
- References: <5075951A.3070207@op.pl> <50788A01.6050802@op.pl>
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On 10/12/2012 11:22 PM, Freddie Chopin wrote:
> Hi!
>
> How about the attached patch? I've tested and everything is fine.
> It's of course a modified version of patch from Corina, but with
> removed condition of size optimization.
>
> Now each entry to _vfprintf_r() costs only about 190 bytes and
> __sbprintf() allocates about 1150 (on ARM Cortex-M3).
>
> 4\/3!!
Hope the patch gets accepted. At least imho it's the best compromise.
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