realloc

[Peter da Silva]

  [ malloc(0) -> NULL is a bug]
In article <934 at atanasoff.cs.iastate.edu>, hascall at atanasoff.cs.iastate.edu (John Hascall) writes:
> And what would you have it return?   An Address?

Yes.

> ...which points to zero bytes of allocated storage?

Yes.

> And would successive malloc(0) calls return the same pointer?

No.

> (you're not using any heap with each call)

Yes you are. 4-8 bytes depending on memory model.

> And then consider doing a "free" on such a pointer.

Sure.

malloc(NULL) -> NULL is an optimisation better performed by the programmer.
-- 
Peter da Silva, Xenix Support, Ferranti International Controls Corporation.

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