[PATCH] gprofng: protect against standard library macros

[Claudiu Zissulescu Ianculescu]

Hi Andreas,

LGTM,
Claudiu

On Mon, Nov 24, 2025 at 12:11 PM Andreas Schwab <schwab@suse.de> wrote:
>
> The CALL_UTIL macro can expand to an unparsable expression of the argument
> is a macro, like with the new const-preserving standard library macros in
> C23.
>
>         * gprofng/src/collector_module.h (CALL_UTIL): Add parens to not
>         expand its argument if it is a function-like macro.
> ---
>  gprofng/src/collector_module.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/gprofng/src/collector_module.h b/gprofng/src/collector_module.h
> index b64d69c45ab..859a6dd1f7d 100644
> --- a/gprofng/src/collector_module.h
> +++ b/gprofng/src/collector_module.h
> @@ -119,7 +119,7 @@ typedef struct CollectorUtilFuncs
>  extern CollectorUtilFuncs __collector_util_funcs;
>  extern int __collector_dlsym_guard;
>
> -#define CALL_UTIL(x) __collector_util_funcs.x
> +#define CALL_UTIL(x) (__collector_util_funcs.x)
>
>  /* The following constants define the meaning of the "void *arg"
>   * argument of getFrameInfo().
> --
> 2.52.0
>
>
> --
> Andreas Schwab, SUSE Labs, schwab@suse.de
> GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
> "And now for something completely different."