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[Bug testsuite/14531] gdb.base/dprintf.exp fails in newlibenvironment
- From: "yufeng.zhang at arm dot com" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Tue, 18 Sep 2012 09:49:03 +0000
- Subject: [Bug testsuite/14531] gdb.base/dprintf.exp fails in newlibenvironment
- Auto-submitted: auto-generated
- References: <bug-14531-4717@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=14531
--- Comment #3 from Yufeng Zhang <yufeng.zhang at arm dot com> 2012-09-18 09:49:03 UTC ---
(In reply to comment #1)
> Maybe we can do 'set dprintf-channel _impure_ptr->_stderr' for newlib??
This is not ideal solution as 'stderr' is not always _impure_ptr->_stderr in
newlib; see newlib/libc/include/stdio.h:
#ifndef _REENT_ONLY
#define stdin (_REENT->_stdin)
#define stdout (_REENT->_stdout)
#define stderr (_REENT->_stderr)
#else /* _REENT_ONLY */
#define stdin (_impure_ptr->_stdin)
#define stdout (_impure_ptr->_stdout)
#define stderr (_impure_ptr->_stderr)
#endif /* _REENT_ONLY */
(In reply to comment #2)
> How about adding a function like
>
> FILE *get_stderr () { return stderr; }
>
> to the test's .c file, and do
[snip]
Sound like a good idea!
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