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Date: Fri, 14 Aug 2015 17:08:07 +0200
Message-ID: <CAKw7uVjVdOFi4MJayZ485Sm=S7NvwCYwg_2qU-eT_pWLkSEX0Q@mail.gmail.com>
Subject: Re: Cygwin version detection at run time
From: =?UTF-8?Q?V=C3=A1clav_Haisman?= <vhaisman AT gmail DOT com>
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On 14 August 2015 at 16:11, Eliot Moss <moss AT cs DOT umass DOT edu> wrote:
> On 8/14/2015 9:56 AM, Václav Haisman wrote:
>>
>> Hi.
>>
>> I am trying to find out Cygwin version at run time.
>>
>> I have noticed that there is `cygwin_internal (CW_GETVERSIONINFO)` API
>> for this. However, it seems that the `cygwin_version_info` structure
>> this call is supposed to fill in is not publicly available and is only
>> declared internally in `winsup/cygwin/cygwin_version.h`.
>>
>> Am I right that my only option is either to copy the internal
>> declaration of the structure or to use `/proc/version` and parse the
>> version string out of that?
>
>
> There's uname, whose options allow getting various parts of what
> /proc/version gives you.  uname is also somewhat portable across
> different flavors of linux ...

Never mind, I have figured it out. The  `cygwin_internal
(CW_GETVERSIONINFO)`  actually returns a pointer to string which can
be parsed reliably. I have used it.

-- 
VH

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