Re: [PATCH] posix: Deprecate group_member for Linux

[Xi Ruoyao <xry111@xry111.site>]

On Thu, 2023-09-21 at 12:20 -0400, Joe Simmons-Talbott wrote:
> diff --git a/sysdeps/unix/sysv/linux/group_member.h b/sysdeps/unix/sysv/linux/group_member.h
> new file mode 100644
> index 0000000000..9b24569d4e
> --- /dev/null
> +++ b/sysdeps/unix/sysv/linux/group_member.h
> @@ -0,0 +1,27 @@
> +/* Copyright (C) 2023 Free Software Foundation, Inc.
> +   This file is part of the GNU C Library.
> +
> +   The GNU C Library is free software; you can redistribute it and/or
> +   modify it under the terms of the GNU Lesser General Public
> +   License as published by the Free Software Foundation; either
> +   version 2.1 of the License, or (at your option) any later version.
> +
> +   The GNU C Library is distributed in the hope that it will be useful,
> +   but WITHOUT ANY WARRANTY; without even the implied warranty of
> +   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> +   Lesser General Public License for more details.
> +
> +   You should have received a copy of the GNU Lesser General Public
> +   License along with the GNU C Library; if not, see
> +   <https://www.gnu.org/licenses/>.  */
> +
> +#ifndef _GROUP_MEMBER_H
> +#define _GROUP_MEMBER_H 1
> +
> +#ifdef	__USE_GNU
> +/* Return nonzero iff the calling process is in group GID.  Deprecated */
> +extern int group_member (__gid_t __gid) __THROW
> +	__attribute_deprecated__;

Maybe `__attribute_deprecated_msg__ ("may overflow the stack")` is
better?  And should we have an alternate interface to replace it?

> +#endif
> +
> +#endif /* GROUP_MEMBER_H */

-- 
Xi Ruoyao <xry111@xry111.site>
School of Aerospace Science and Technology, Xidian University