[jira] Closed: (STDCXX-857) unexpected assertion from _rw_bufcat

["Travis Vitek (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/STDCXX-857?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Travis Vitek closed STDCXX-857.
-------------------------------


Closing resolved and verified 4.2.1 issue.

> unexpected assertion from _rw_bufcat
> ------------------------------------
>
>                 Key: STDCXX-857
>                 URL: https://issues.apache.org/jira/browse/STDCXX-857
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Test Driver
>    Affects Versions: 4.2.1
>            Reporter: Travis Vitek
>            Assignee: Travis Vitek
>             Fix For: 4.2.1
>
>   Original Estimate: 2h
>          Time Spent: 3.5h
>  Remaining Estimate: 0h
>
> Here is the assertion...
> {noformat}
> ..\..\..\tests\src\printf.cpp:486: char *__cdecl _rw_bufcat(struct Buffer &,const char *,unsigned int): Assertion '0 == memcmp (*buf.pbuf + *buf.pbufsize, guard, guardsize)' failed.
> {noformat}
> Here is a testcase...
> {noformat}
> #include <rw_printf.h>
> #include <string.h>
> #include <stdlib.h>
> int main (int argc, char* argv[])
> {
>     const char* s = 1 < argc ? argv [1] : "bug-zapper";
>     char buffer [4];
>     char *buf = buffer;
>     size_t bufsize = sizeof buffer;
>     rw_asnprintf (&buf, &bufsize, "%s", s);
>     if (buf != buffer)
>         free (buf);
>     return 0;
> }
> {noformat}

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