[GHC] #9726: Linker.c uses of swprintf() fail to compile on gcc 4.8.3

[kyra]

Another variant is to

#define _CRT_NON_CONFORMING_SWPRINTFS

for this (I use it).

Cheers,
Kyra

On 10/26/2014 1:21 AM, GHC wrote:
> #9726: Linker.c uses of swprintf() fail to compile on gcc 4.8.3
> -------------------------------------+-------------------------------------
>         Reporter:  gintas             |                   Owner:  gintas
>             Type:  bug                |                  Status:  new
>         Priority:  normal             |               Milestone:
>        Component:  Runtime System     |                 Version:  7.9
>         Keywords:                     |        Operating System:  Windows
>     Architecture:  Unknown/Multiple   |         Type of failure:
>       Difficulty:  Unknown            |  None/Unknown
>       Blocked By:                     |               Test Case:
> Related Tickets:                     |                Blocking:
>                                       |  Differential Revisions:
> -------------------------------------+-------------------------------------
>   swprintf has different signatures in mingw32, where it does not include
>   the
>   buffer size, and in mingw-w64, where it does. That of course breaks the
>   code
>   as mingw-w64 treats the pointer to the format string as a size_t. Bummer:
>
>
>   C:/.../inplace/mingw/i686-w64-mingw32/include/swprintf.inl:30:5: note:
>   expected 'size_t' but argument is of type 'short unsigned int *'
>    int swprintf (wchar_t *__stream, size_t __count, const wchar_t *__format,
>   ...)
>        ^
>
>   rts\Linker.c:1986:12:
>        warning: passing argument 2 of 'swprintf' makes integer from pointer
>   without a cast [enabled by default]
>                   swprintf(buf, L"lib%s.DLL", dll_name);
>
>   I have a fix pending to use snwprintf instead.
>
> --
> Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9726>
> GHC <http://www.haskell.org/ghc/>
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