Re: [PATCH v3 6/7] Optional struct _reent::_new::_unused

[Sebastian Huber <sebastian.huber@embedded-brains.de>]

On 16/05/2022 17:53, Sebastian Huber wrote:
> diff --git a/newlib/libc/include/sys/reent.h b/newlib/libc/include/sys/reent.h
> index 6d6796ed3..4b09e8cd5 100644
> --- a/newlib/libc/include/sys/reent.h
> +++ b/newlib/libc/include/sys/reent.h
> @@ -685,6 +685,7 @@ struct _reent
>             _mbstate_t _wcsrtombs_state;
>   	  int _h_errno;
>           } _reent;
> +#ifdef _REENT_BACKWARD_BINARY_COMPAT
>     /* Two next two fields were once used by malloc.  They are no longer
>        used. They are used to preserve the space used before so as to
>        allow addition of new reent fields and keep binary compatibility.   */

I guess the comment could be also removed.

> @@ -693,7 +694,8 @@ struct _reent
>   #define _N_LISTS 30
>             unsigned char * _nextf[_N_LISTS];
>             unsigned int _nmalloc[_N_LISTS];

Maybe we should also rename _nextf in _reserved_4 and _nmalloc in 
_reserved_5.

> -        } _unused;
> +        } _reserved_3;
> +#endif

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