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Date: Tue, 16 Apr 2024 09:45:40 -0400
From: Rich Felker <dalias@...c.org>
To: Michael Forney <mforney@...rney.org>
Cc: musl@...ts.openwall.com
Subject: Re: [PATCH] mallocng: remove stray ';' at top-level
On Mon, Apr 15, 2024 at 03:26:17AM -0700, Michael Forney wrote:
> The LOCK_OBJ_DEF macro ends with the closing brace of a
> function-definition, which is a complete external-declaration. The
> semicolon following the macro use is therefore unnecessary. Empty
> declarations are not syntactically valid according to the ISO C
> grammar, so remove it.
> ---
> src/malloc/mallocng/malloc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/malloc/mallocng/malloc.c b/src/malloc/mallocng/malloc.c
> index d695ab8e..2549eb38 100644
> --- a/src/malloc/mallocng/malloc.c
> +++ b/src/malloc/mallocng/malloc.c
> @@ -7,7 +7,7 @@
>
> #include "meta.h"
>
> -LOCK_OBJ_DEF;
> +LOCK_OBJ_DEF
>
> const uint16_t size_classes[] = {
> 1, 2, 3, 4, 5, 6, 7, 8,
> --
> 2.44.0
This looks like a bug in how glue.h was written when mallocng was
imported into musl; from the mallocng-draft repo, it's clear that the
intent was for the declaration in LOCK_OBJ_DEF not to end in ; so that
the code in malloc.c using the macro would be correct.
Rich
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