Re: sprintf on current cvs for mingw build

[Tatsuro M. <tma...@ya...>]

--- On Thu, 2014/3/20, Bastian Märkisch > wrote:

> Am 18.03.2014 22:22, schrieb Tatsuro MATSUOKA:
> > Hello
> >
> > I have build current cvs (2014-03-18) and carried out the test of all.
> > Tha all.dem stop at:
> > ********************** file stringvar.dem *********************
> > Hit return to continue
> >
> > foo = sprintf("%40d %40d %40d %40d %40d %40d",1,2,3,4,5,6)
> >        ^
> > "stringvar.dem", line 62: undefined value
> 
> FWIW I cannot reproduce this here using MinGW 4.8.1. I am using 
> config/mingw/Makefile to build. How do you build gnuplot?
> 
> I can reproduce the problem with VS2012, though. The reason is that the 
> stupid _snprintf() (note the underscore) apparently sets errno if the 
> buffer size is insufficient. This then triggers the above message. I'll 
> prepare a fix for MSVC.
> 
> Could you try building with "-D__USE_MINGW_ANSI_STDIO"? That should 
> should ensure that MinGW is using an ANSI compliant replacement of the 
> snprintf function.
> 
>    Bastian
> 
> >
> > I have built the same source on cygwin
> > and "make check" has been successful.
> >
> > I have checked from gnuplot command line
> >
> > gnuplot> foo = sprintf("%40d %40d %40d %40d %40d %40d",1,2,3,4,5,6)
> >                 ^
> >           undefined value
> >
> > Hmm
> >
> > What is wrong?
> >
> > Regards
> >
 I'm using gcc-4.8.2 from MiGW-64-w32. 
Adding -D__USE_MINGW_ANSI_STDIO flag to in config/mingw/Makefile, sprintf worked correctly.

Thanks!

Tatsuro