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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Closed: (STDCXX-541) std::char_traits<char>::find fails to find characters from the extended ASCII set
Date Tue, 22 Apr 2008 03:57:21 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Martin Sebor closed STDCXX-541.
-------------------------------


Regression test committed in [r650374|http://svn.apache.org/viewvc?rev=650374&view=rev]
and verified with gcc 4.1.2 on Fedora 8 (where {{char}} is a signed type).

> std::char_traits<char>::find fails to find characters from the extended ASCII set
> ---------------------------------------------------------------------------------
>
>                 Key: STDCXX-541
>                 URL: https://issues.apache.org/jira/browse/STDCXX-541
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 21. Strings
>    Affects Versions: 4.2.0
>         Environment: ~$ uname -a
> Linux servici 2.6.21 #2 SMP PREEMPT Thu May 24 06:37:50 MDT 2007 i686 unknown unknown
GNU/Linux
> ~$ gcc -v
> Using built-in specs.
> Target: i686-pc-linux-gnu
> Configured with: ../gcc-4.2.0/configure --prefix=/opt/compilers/gcc-4.2.0 --enable-threads
--enable-shared --enable-languages=c,c++
> Thread model: posix
> gcc version 4.2.0
>            Reporter: Liviu Nicoara
>            Assignee: Liviu Nicoara
>             Fix For: 4.2.0
>
>
> The following program asserts:
> $ cat t.cpp
> #include <string>
> #include <assert.h>
> int
> main ()
> {
>     assert (std::char_traits< char >::find ("a\201", 2, '\201'));
>     return 0;
> }
> $ make t && ./t
> gcc -c -I/build/nicoara/stdcxx/include/ansi -D_RWSTDDEBUG    -I/build/nicoara/stdcxx/include
-I/build/nicoara/stdcxx/build/include -I/build/nicoara/stdcxx/examples/include  -pedantic
-nostdinc++ -g   -W -Wall -Wcast-qual -Winline -Wshadow -Wwrite-strings -Wno-long-long -Wcast-align
  /build/nicoara/stdcxx/examples/manual/t.cpp
> gcc t.o -o t  -L/build/nicoara/stdcxx/build/lib  -lstd11s -lsupc++ -lm 
> t: /build/nicoara/stdcxx/examples/manual/t.cpp:7: int main(): Assertion `std::char_traits<
char >::find ("a\201", 2, '\201')' failed.
> Aborted
> possibly because of the way memchr is used in include/rw/_traits.h:409
> Thanks,
> Liviu

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