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From: Joe Simmons-Talbott <josimmon@redhat.com>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: libc-alpha@sourceware.org
Subject: Re: [PATCH v3] vfprintf-internal: Replace alloca with malloc.
Date: Wed, 17 May 2023 15:41:56 -0400	[thread overview]
Message-ID: <20230517194156.GH176347@oak> (raw)
In-Reply-To: <8e9beea2-b128-83f1-dead-2c3866e28182@cs.ucla.edu>

On Wed, May 17, 2023 at 11:08:39AM -0700, Paul Eggert wrote:
> On 2023-05-15 11:50, Joe Simmons-Talbott via Libc-alpha wrote:
> > +	    args_value[cnt].pa_user = malloc (args_size[cnt]);
> > +	    if (args_value[cnt].pa_user == NULL)
> > +	       break;
> 
> Shouldn't an error be returned if a printf function runs out of memory
> internally?

I'll fix this in the next version.  Thanks.

> 
> Also, that function already uses a scratch buffer; why not grow the scratch
> buffer instead of calling malloc separately?
> 

It seems to me that the code to grow the scratch buffer would be more
difficult to understand than calling malloc separately. Perhaps I'm just
intimidated by the pointer math.

Thanks,
Joe


  parent reply	other threads:[~2023-05-17 19:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-15 18:50 Joe Simmons-Talbott
2023-05-17 18:08 ` Paul Eggert
2023-05-17 18:53   ` Cristian Rodríguez
2023-05-17 19:41   ` Joe Simmons-Talbott [this message]
2023-05-17 20:07     ` Paul Eggert
2023-05-17 21:32       ` Joe Simmons-Talbott

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