> > And get clarified the qsort/bsearch cases whether it is about just > > nmemb == 0 or nmemb * size == 0. > > C does not support zero-sized objects, so that's something for us to > figure out on our own. We can treat size == 0 as invalid because the > functions can't work, as they use pointers for the comparison function > and not array indices.
Hi Florian,
This is not really true. ISO C claims to not support 0-sized objects,
but then allows malloc(0) to return non-null, and
memcpy(malloc(0), malloc(0), 0);
has always been fully-complying in platforms like glibc, where malloc(0)
returns non-NULL.
Have a lovely day!
Alex
--
<https://www.alejandro-colomar.es/>
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