[TUHS] Did realloc ever zero the new memory?

Greg 'groggy' Lehey grog at lemis.com
Mon Sep 14 13:20:45 AEST 2015

On Sunday, 13 September 2015 at 16:09:55 +1000, Dave Horsfall wrote:
> On Sat, 12 Sep 2015, Larry McVoy wrote:
>> That's a really good point.  Anyone like these?
>> void *alloc(size_t bytes);
>> void *realloc(void *old, size_t want);
>> void *zalloc(size_t bytes);
>> void *zealloc(void *old, size_t want);
>> So alloc is new, we can have that.  Realloc() is OK?  Or not?  Does the
>> current one have weird semantics?
>> zalloc/zealloc are new, we can have those.
>> If you guys like these I can push on Linus and the glibc people.
> I'll vote for those, although my dev days are pretty much over.  I've
> never liked malloc() etc not clearing memory, although it has been, ahem,
> useful, in the past...


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