Re: swprintf_s in src/win32

[Allin C. <cot...@wf...>]

On Fri, 29 Sep 2017, Hans-Bernhard Bröker wrote:

> Am 28.09.2017 um 23:12 schrieb Allin Cottrell:
>> Three of the source files in gnuplot's src/win32 use the function 
>> swprintf_s(), namely wgdiplus.cpp, wmenu.c and wtext.c. In one of these 
>> files, wgdiplus.cpp, there's a recognition that this function is not 
>> universally available:
>> 
>> #ifdef __WATCOMC__
>> // swprintf_s is missing from <cwchar>
>> # define swprintf_s(s, c, f, ...) swprintf(s, c, f, __VA_ARGS__)
>> #endif
>> 
>> It seems to me that this guard against use of an undefined function should 
>> also be present in wmenu.c and wtext.c
>
> It may seem like that at first glance, but it's not actually the case. 
> OpenWatcom does supply swprintf_s(), but only for C source code, not for C++. 
> I.e. it's in <wchar.h>, but not available via its C++ equivalent, <cwchar>.

OK, I see.

> . Moreover, it's not just
>> the Watcom compiler that's affected: swprintf_s is not declared in the 
>> headers provided for cross-compilation via mingw64.
>
> I see no such problem here.  Maybe your version of mingw64 is outdated?
>
> (For reference, I'm using the current version of the MinGW64 headers as 
> installed by Cygwin, from package mingw64-x86_64-headers-5.0.2-1).

My headers are also version 5.0.2 but I guess something must be wrong 
with my setup; I'll investigate.

Allin Cottrell