[Bug libc/18470] fnmatch strnlen namespace

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https://sourceware.org/bugzilla/show_bug.cgi?id=18470

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https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f014e87eff1c9935a8bd9f7b7ab66ff5ef562ee9

commit f014e87eff1c9935a8bd9f7b7ab66ff5ef562ee9
Author: Joseph Myers <joseph@codesourcery.com>
Date:   Wed Jun 3 13:58:58 2015 +0000

    Fix fnmatch strnlen namespace (bug 18470).

    fnmatch brings in references to strnlen, which isn't in all the
    standards that contain fnmatch (not added until the 2008 edition of
    POSIX), resulting in linknamespace test failures.  (This is contrary
    to glibc conventions, rather than a standards conformance issue,
    because of the str* reservation.)  This patch fixes this in the usual
    way, using __strnlen instead of strnlen.

    Tested for x86_64 and x86 (testsuite, and that installed stripped
    shared libraries are unchanged by the patch).

        [BZ #18470]
        * posix/fnmatch.c (fnmatch) [_LIBC]: Call __strnlen instead of
        strnlen.
        * conform/Makefile (test-xfail-XPG3/fnmatch.h/linknamespace):
        Remove variable.
        (test-xfail-XPG4/fnmatch.h/linknamespace): Likewise.
        (test-xfail-POSIX/fnmatch.h/linknamespace): Likewise.
        (test-xfail-POSIX/glob.h/linknamespace): Likewise.
        (test-xfail-POSIX/wordexp.h/linknamespace): Likewise.
        (test-xfail-UNIX98/fnmatch.h/linknamespace): Likewise.
        (test-xfail-UNIX98/glob.h/linknamespace): Likewise.
        (test-xfail-UNIX98/wordexp.h/linknamespace): Likewise.
        (test-xfail-XOPEN2K/fnmatch.h/linknamespace): Likewise.
        (test-xfail-XOPEN2K/glob.h/linknamespace): Likewise.
        (test-xfail-XOPEN2K/wordexp.h/linknamespace): Likewise.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog        |   16 ++++++++++++++++
 NEWS             |    2 +-
 conform/Makefile |   11 -----------
 posix/fnmatch.c  |    4 ++--
 4 files changed, 19 insertions(+), 14 deletions(-)

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