On 26/08/07, Jan Engelhardt <[EMAIL PROTECTED]> wrote: > > On Aug 26 2007 15:28, Denys Vlasenko wrote: > >> > > >> > What exactely would using kcalloc() over kzalloc() here buy us? > >> > >> technically, nothing. > > > >The idea of calloc is that it can check for underflow in parameter. > > Actually, overflow. > > calloc(0xFFFF0000, 0x1000) => will return NULL > malloc(0xFFFF0000 * 0x1000) => silent 32 bit multiplication/truncation, > will allocate less than requested. > > >calloc(-1, 10000000) => easy to detect > >malloc(-1 * 10000000) => malloc(-10000000) => not so trivial > Ok, that makes a bit of sense. Thank you.
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