Re: [Plplot-devel] version info

[Alan W. I. <ir...@be...>]

I am not too proficient in C so this took me a while, but I believe the
standard C function strncpy will do what you want.  Here is a short example.


#include <stdio.h>
#include "plplot/plplotP.h"
main()

{
   char short_version[]="x.x";
   strncpy(short_version, PLPLOT_VERSION, 3);
   printf("%s\n",PLPLOT_VERSION);
   printf("%s\n",short_version);
}

The result of compiling and running this code was a printout of

5.1.0
5.1

Alan

email: ir...@be...
phone: 250-727-2902	FAX: 250-721-7715
snail-mail:
Dr. Alan W. Irwin
Department of Physics and Astronomy,
University of Victoria, P.O. Box 3055,
Victoria, British Columbia, Canada, V8W 3P6
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On Wed, 3 Jul 2002, Vince Darley wrote:

> On Wed, 3 Jul 2002, Alan W. Irwin wrote:
> > PLPLOT_VERSION is already accessible from tclAPI.c via the plplot/plplotP.h
> > include which in turn includes plConfig.h.  Can you parse out the parts
> > you need to replace 5.1 and 5.1.0 wherever they occur in tclAPI.c?  That
> > would greatly simplify my life at release time.
>
> Ideally tclAPI.c needs both "5.1.0" and "5.1".  But plConfig.h only
> provides "5.1.0" (in PLPLOT_VERSION).  I don't know how to write a macro
> to extract the first bit of that string, and I certainly don't know
> anything about auto_conf.  Perhaps best is to change tclAPI.c so that we
> use "5.1.0" everywhere.
>
> I can easily do that, but extracting "5.1" if it is possible, would be
> nicer...
>
> Vince.
>
>
>
>
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