Re: [PATCH] remove unnecessary checks for NULL in zfree and zsfree

[Peter Stephenson <p.stephenson@xxxxxxxxxxx>]

On Thu, 1 Mar 2018 01:17:12 +0000
Taylor West <krokodileglue@xxxxxxxxxxx> wrote:
> According to section 7.22.3.3 paragraph 2 of the final committee draft
> of the C11 standard, if free() is passed a NULL pointer then "no
> action occurs". The current checks on `p' in zfree and zsfree are
> unnecessary---this patch removes them.

We haven't even progressed to C99 yet... zsh is designed to be defensive
about some pretty old stuff.  Unfortunately, it's quite difficult to
know when where it's still being compiled.

pws