[cffi-devel] Unexpected return

[Martin Simmons]

>>>>> On Thu, 23 Feb 2006 00:07:43 +0530, "N. Raghavendra" <raghu at mri.ernet.in> said:
> 
> I hope this is not OT.  I am trying to learn to use CFFI.  Following
> the CFFI manual, I wrote the following functions, which call some
> basic C time functions.  According to gmtime(3), the function `gmtoff'
> below should always return 0.  However, I consistently get
> 
> TIMEZONE-FFI> (gmtoff)
> 672421260
> 
> I would appreciate any hints as to where I am erring.  In case it is
> relevant, the environment is CMUCL 19c on FreeBSD 6.0-STABLE.
> 
> TIA,
> Raghavendra.
> 
> --- code follows ---
> 
> (defpackage #:timezone-ffi
>   (:use #:common-lisp
>         #:cffi))
> 
> (in-package #:timezone-ffi)
> 
> (defcstruct tm
>   (sec :int)
>   (min :int)
>   (hour :int)
>   (mday :int)
>   (mon :int)
>   (year :int)
>   (wday :int)
>   (yday :int)
>   (isdst :boolean)
>   (zone :string)
>   (gmtoff :long))

I think you have zone and gmtoff in the wrong order (the man pages don't
specify the order, so check the header files).

__Martin