[Bug libc/16747] New: the declaration of lio_listio is missing a restrict qualifier

[Bug libc/16747] New: the declaration of lio_listio is missing a restrict qualifier

[nszabolcs at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=16747

            Bug ID: 16747
           Summary: the declaration of lio_listio is missing a restrict
                    qualifier
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
          Assignee: unassigned at sourceware dot org
          Reporter: nszabolcs at gmail dot com
                CC: drepper.fsp at gmail dot com

lio_listio is declared in glibc as

    extern int lio_listio (int __mode,
                   struct aiocb *const __list[__restrict_arr],
                   int __nent, struct sigevent *__restrict __sig)
      __THROW __nonnull ((2));

but the standard prototype is
http://pubs.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html

    int lio_listio(int, struct aiocb *restrict const *restrict, int, struct
sigevent *restrict);

note the two restrict qualifiers in the second argument

these two prototypes are not compatible

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[Bug libc/16747] the declaration of lio_listio is missing a restrict qualifier

[joseph at codesourcery dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=16747

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
A fix should make the extra restrict conditional on __USE_XOPEN2K, given 
that it's not there in older standards and affects type compatibility 
(unlike most uses of restrict which are only on the parameters themselves 
and so don't affect type compatibility).

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[Bug libc/16747] the declaration of lio_listio is missing a restrict qualifier

[fweimer at redhat dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=16747

Florian Weimer <fweimer at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
              Flags|                            |security-

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[Bug librt/16747] the declaration of lio_listio is missing a restrict qualifier

[jsm28 at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=16747

Joseph Myers <jsm28 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|libc                        |librt

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