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Date: Thu, 6 Dec 2007 15:06:48 -0800 (PST)
From: "Travis Vitek (JIRA)" <jira@apache.org>
To: stdcxx-dev@incubator.apache.org
Subject: [jira] Commented: (STDCXX-673) [IBM XLC++ 9.0/AIX 5.3] 0.printf
 fails with assertions
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    [ https://issues.apache.org/jira/browse/STDCXX-673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12549228 ] 

Travis Vitek commented on STDCXX-673:
-------------------------------------

The first four failures seem to happen because madvise() on AIX always returns 0. The documentation for this function says...

  The madvise subroutine has no functionality and is supported for compatibility only.

Unfortunately, none of the other functions that we are using on other platforms [mincore, mvalid, msync] seem to work either. They all return -1 all the time. I see no way to query the validity of a memory address from the process on AIX. Maybe someone else knows?

As for the type definition problem above, I'm starting to think that this may be a source compatibility issue. I can think of a few cases where code that might have compiled on one system would no longer compile without modification. Am I wrong here?

> [IBM XLC++ 9.0/AIX 5.3] 0.printf fails with assertions
> ------------------------------------------------------
>
>                 Key: STDCXX-673
>                 URL: https://issues.apache.org/jira/browse/STDCXX-673
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Test Driver
>    Affects Versions: 4.2.0
>            Reporter: Travis Vitek
>            Assignee: Travis Vitek
>            Priority: Minor
>             Fix For: 4.2.1
>
>
> extension: "%{N}" buffer size
> /amd/devco/vitek/stdcxx/trunk/tests/src/printf.cpp:1022: rw_vasnprintf(ffffffffffff8d0, ffffffffffff8d8, "foo", va_list) error: errno = 12: Not enough space
> /amd/devco/vitek/stdcxx/trunk/tests/src/printf.cpp:1022: rw_vasnprintf(ffffffffffff8d0, ffffffffffff8d8, "foo", va_list) error: errno = 12: Not enough space
> /amd/devco/vitek/stdcxx/trunk/tests/src/printf.cpp:1022: rw_vasnprintf(ffffffffffff8d0, ffffffffffff8d8, "foo", va_list) error: errno = 12: Not enough space
> /amd/devco/vitek/stdcxx/trunk/tests/src/printf.cpp:1022: rw_vasnprintf(ffffffffffff8d0, ffffffffffff8d8, "foo", va_list) error: errno = 12: Not enough space
> /amd/devco/vitek/stdcxx/trunk/tests/src/printf.cpp:1022: rw_vasnprintf(ffffffffffff8d0, ffffffffffff8d8, "bar", va_list) error: errno = 12: Not enough space
> /amd/devco/vitek/stdcxx/trunk/tests/src/printf.cpp:1022: rw_vasnprintf(ffffffffffff8d0, ffffffffffff8d8, "bar", va_list) error: errno = 12: Not enough space
> /amd/devco/vitek/stdcxx/trunk/tests/src/printf.cpp:1022: rw_vasnprintf(ffffffffffff8d0, ffffffffffff8d8, "bar", va_list) error: errno = 12: Not enough space
> /amd/devco/vitek/stdcxx/trunk/tests/src/printf.cpp:1022: rw_vasnprintf(ffffffffffff8d0, ffffffffffff8d8, "bar", va_list) error: errno = 12: Not enough space
> extension: "%{@}" nested format directive
> malformed directives
> Failed 8 out of 1572 assertions.

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