Re: [boost] lexical_cast segfault

From: Victor A. Wagner, Jr. (vawjr_at_[hidden])
Date: 2003-08-06 01:19:07

At Tuesday 2003-08-05 17:36, you wrote:
>In working with my date/time code I've encountered another problem with
>Boost.  I can reproducibly get lexical_cast to segfault.  It happens when a
>greg_month is lexical_cast to a string. I don't observe this behavior for
>years or days, just months.  The segfault can be avoided by using
>lexical_cast<string, int> instead of lexical_cast<string>, but this
>shouldn't be necessary.
>
>Test case (note that WinXP doesn't complain when programs segfault, hence
>the Begin/End business):
>
>crash.cc:
>----
>#include <boost/lexical_cast.hpp>
>#include <boost/date_time/posix_time/posix_time.hpp>
>#include <iostream>
>using namespace std;
>using namespace boost;
>using namespace boost::posix_time;
>using namespace boost::gregorian;
>
>int main() {
>     const ptime t(date(1969, Jul, 21), time_duration(2, 56, 15));
>
>     cout << "Begin!" << endl;
>     cout << lexical_cast<string>(t.date().month()) << endl;
>     cout << "End!" << endl;
>}

WinXP, vs.NET2003 (both debug and release builds) boost from anonymous cvs 
updated:
2003-08-05
10:00
that's MST.

Begin!
07
End!
Press any key to continue

I'm sorry I haven't built the libraries for my cygwin recently, I'll have 
to update my "get latest boost" script

Victor A. Wagner Jr.      http://rudbek.com
The five most dangerous words in the English language:
               "There oughta be a law"