Re: Is AC_FUNC_MALLOC more trouble than it's worth?

[Jim Meyering]

Paul Eggert <address@hidden> wrote:
> Ronald Landheer-Cieslak <address@hidden> writes:
>
>> I have never (so far) tried to allocate a block of 0 bytes willingly
>
> In that case you don't need those macros.  They're mainly useful for
> programs that want malloc(0) to return a nonnull pointer.

Another reason to use at least AC_FUNC_REALLOC (and one that motivated
me to write the macros and replacement functions) is that on some systems,
realloc (p, n) fails when P is NULL.