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Fix BZ #18757 - fmemopen fails to set errno on failure

From: Paul Pluzhnikov <ppluzhnikov at gmail dot com>
To: GLIBC Devel <libc-alpha at sourceware dot org>
Date: Thu, 13 Aug 2015 22:52:11 -0700
Subject: Fix BZ #18757 - fmemopen fails to set errno on failure
Authentication-results: sourceware.org; auth=none

Greetings,

Attached patch fixes BZ #18757 - fmemopen fails to set errno when
failure is caused by invalid mode, or request for too much memory.

The added test is currently failing due to a bug in mtrace.pl:
https://sourceware.org/ml/libc-alpha/2015-08/msg00546.html

So this patch would need to go in after mtrace is fixed.

Thanks,

2015-08-13  Paul Pluzhnikov  <ppluzhnikov@google.com>

        [BZ #18757]
        * libio/iofopncook.c (_IO_fopencookie): Set errno on failure
        * libio/test-fmemopen.c (do_bz18820): Extend the test to cover BZ #18757



-- 
Paul Pluzhnikov

Attachment: bz18757-20150813.txt
Description: Text document

Follow-Ups:
- Re: Fix BZ #18757 - fmemopen fails to set errno on failure
  - From: Andreas Schwab

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