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From "Farid Zaripov (Assigned) (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (STDCXX-1060) std::basic_string::append(char*, pos) SIGSEGV for pos == std::string::npos
Date Mon, 06 Feb 2012 08:46:00 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-1060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Farid Zaripov reassigned STDCXX-1060:
-------------------------------------

    Assignee: Farid Zaripov
    
> std::basic_string::append(char*, pos) SIGSEGV for pos == std::string::npos
> --------------------------------------------------------------------------
>
>                 Key: STDCXX-1060
>                 URL: https://issues.apache.org/jira/browse/STDCXX-1060
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 21. Strings
>    Affects Versions: 4.2.1, 4.2.x, 4.3.x, 5.0.0
>         Environment: Solaris 10 and 11
> Red Hat Linux, OpenSuSE Linux
> Sun C++ Compiler 12.1, 12.2, 12.3
> Defect is independent of platform/compiler
>            Reporter: Stefan Teleman
>            Assignee: Farid Zaripov
>              Labels: conformance, segmenation_fault, standards
>             Fix For: 4.2.2, 4.2.x, 4.3.x, 5.0.0
>
>         Attachments: stdcxx-1060.patch, test.cc
>
>
> std::basic_string::append(char*, pos) SIGSEGV for pos == std::string::npos:
> {code:title=test.cc|borderStyle=solid}
> #include <iostream>
> #include <string>
> #include <stdexcept>
> int main()
> {
>     const char* c = "hello";
>     std::string s(5, '*');
>     std::string t;
>     int ret;
>     try
>     {
>         t = s.append(c, std::string::npos);
>     }
>     catch (std::length_error& e)
>     {
>         ret = 0;
>     }
>     catch ( ... )
>     {
>         std::cerr << "wrong exception was thrown!" << std::endl;
>         ret = 1;
>     }
>     std::cerr << "t: " << t.c_str() << std::endl;
>     std::cerr << "s: " << s.c_str() << std::endl;
>     return ret;
> }
> {code}
> 1. Output from GCC 4.5.0:
> {noformat}
> [steleman@darthvader][/src/steleman/programming/stdcxx-ss122/bugfixes-sunw/6889785][02/05/2012
21:56:30][2023]>> ./test-gcc 
> t: 
> s: *****
> [steleman@darthvader][/src/steleman/programming/stdcxx-ss122/bugfixes-sunw/6889785][02/05/2012
22:04:45][2024]>> echo $status
> 0
> {noformat}
> 2. Output from Sun C++ 12.2 with stlport:
> {noformat}
> [steleman@darthvader][/src/steleman/programming/stdcxx-ss122/bugfixes-sunw/6889785][02/05/2012
22:04:47][2025]>> ./test-ss122-stlport 
> t: 
> s: *****
> [steleman@darthvader][/src/steleman/programming/stdcxx-ss122/bugfixes-sunw/6889785][02/05/2012
22:04:53][2026]>> echo $status
> 0
> {noformat}
> 3. Output from Sun C++ 12.2 with our patched stdcxx:
> {noformat}
> [steleman@darthvader][/src/steleman/programming/stdcxx-ss122/bugfixes-sunw/6889785][02/05/2012
22:04:55][2027]>> ./test-ss122-stdcxx 
> t: 
> s: *****
> [steleman@darthvader][/src/steleman/programming/stdcxx-ss122/bugfixes-sunw/6889785][02/05/2012
22:05:00][2028]>> echo $status
> 0
> {noformat}
> 4. Output from Pathscale 4.0.12.1 (which did not patch stdcxx):
> {noformat}
> [steleman@darthvader][/src/steleman/programming/stdcxx-ss122/bugfixes-sunw/6889785][02/05/2012
22:05:02][2029]>> ./test-pathscale 
> Segmentation fault (core dumped)
> [steleman@darthvader][/src/steleman/programming/stdcxx-ss122/bugfixes-sunw/6889785][02/05/2012
22:05:08][2030]>> echo $status
> 139
> {noformat}
> Defect is in file include/string, line 874.
> Patch for stdcxx 4.2.1 to follow shortly.

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