[PATCH] Fix #27777 - now use a doubly-linked list for _IO_list_all

[H.J. Lu]

On Fri, Apr 26, 2024 at 8:13 AM <alexandre.ferrieux@orange.com> wrote:
>
> On 26/04/2024 17:05, H.J. Lu wrote:
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> >
> > On Fri, Apr 26, 2024 at 8:02 AM <alexandre.ferrieux@orange.com> wrote:
> >>
> >> On 26/04/2024 16:45, H.J. Lu wrote:
> >> >
> >> >> -  struct _IO_FILE *_chain;
> >> >> +  struct _IO_FILE *_chain,**_prevchain;
> >> >
> >> > We need to add a new symbol version for stdio functions
> >> > when FILE size is changed.
> >>
> >> Is there a README introducing newcomers (like me) to the shenanigans of symvers,
> >> the rules chosen for libc and their rationale ?
> >
> > Please do "git grep COMPAT libio" for stdio symbol version examples.
>
> Sorry, I won't guess from examples. Rules and rationale, anybody ?

It is very straightforward. The binaries compiled against the old FILE
must work correctly with the new glibc.

-- 
H.J.