memchr: detect glibc Alpha bug
authorEric Blake <eblake@redhat.com>
Tue, 14 Sep 2010 19:43:07 +0000 (13:43 -0600)
committerEric Blake <eblake@redhat.com>
Tue, 14 Sep 2010 20:49:34 +0000 (14:49 -0600)
commit017b0b20b432df707718a19443d9435870f0b3c7
treef013c9f05959f200cf429fef99e434d9a94c109c
parent93785052e7a8c1ca5f263a39c3e77286f487e22d
memchr: detect glibc Alpha bug

Avoids http://sourceware.org/bugzilla/show_bug.cgi?id=12019.

* m4/memchr.m4 (gl_FUNC_MEMCHR): Detect glibc 2.11.2 failure on
Alpha.
* doc/posix-functions/memchr.texi (memchr): Tweak wording.
* tests/test-memchr.c (main): Enhance test.
Reported by Nelson H. F. Beebe.

Signed-off-by: Eric Blake <eblake@redhat.com>
ChangeLog
doc/posix-functions/memchr.texi
m4/memchr.m4
tests/test-memchr.c