mingw Digest, Vol 38, Issue 1

[Simson Garfinkel]

> 
> Message: 2
> Date: Wed, 2 Nov 2011 18:11:07 +0100
> From: Kai Tietz <ktietz70 at googlemail.com>
> Subject: Re: code quality of 32-bit vs. 64-bit mingw output

Kai,

Thank you for the email. 

> 
> you are running here into the issue that time_t is for 32-bit an
> 32-bit integer scalar, and for 64-bit windows a 64-bit integer-scalar.
> The  scalar variant is the number of seconds elapsed since midnight
> on January 1, 1970.
> 
> I tried to reproduce this on 64-bit Windows with current trunk version
> of crt and headers, and I don't get a crash here.  So I have two
> questions here:
> 
> First, what compiler version you are using?


They are both 4.6.2 20110908

> Second, what mingw-w64 runtime-version you are using?

How do I find this out?

> 
> the gtime_r gets defined only if _POSIX was defined.  So check if
> gmtime_r is defined as
> 
> #ifndef gmtime_r
> #define gmtime_r(_Time,_Tm)     ({ struct tm *___tmp_tm =               \
>                                               gmtime((_Time));        \
>                                               if (___tmp_tm) {        \
>                                                 *(_Tm) = *___tmp_tm;  \
>                                                 ___tmp_tm = (_Tm);    \
>                                               }                       \
>                                               ___tmp_tm;      })
> #endif
> 
> in your time.h.

Yes, I have that. Should I define _POSIX?

> Kai




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> End of mingw Digest, Vol 38, Issue 1
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