On Mon, Sep 16, 2019 at 08:28:09PM +0000, Toomas Soome wrote:
> Author: tsoome
> Date: Mon Sep 16 20:28:08 2019
> New Revision: 352421
> URL: https://svnweb.freebsd.org/changeset/base/352421
>
> Log:
> loader: Malloc(0) should return NULL.
>
> We really should not allocate anything with size 0.
Why ? This is quite unexpected from other environments, where
malloc(0) returns unique object.
>
> Modified:
> head/stand/libsa/zalloc_malloc.c
>
> Modified: head/stand/libsa/zalloc_malloc.c
> ==============================================================================
> --- head/stand/libsa/zalloc_malloc.c Mon Sep 16 20:26:53 2019
> (r352420)
> +++ head/stand/libsa/zalloc_malloc.c Mon Sep 16 20:28:08 2019
> (r352421)
> @@ -55,6 +55,9 @@ Malloc(size_t bytes, const char *file, int line)
> {
> Guard *res;
>
> + if (bytes == 0)
> + return (NULL);
> +
> #ifdef USEENDGUARD
> bytes += MALLOCALIGN + 1;
> #else
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