[physfs] Crash when used with SDL 2.0

[Tai Chi Minh Ralph Eastwood]

Did you compile SDL and PhysFS yourself? It could be that the libraries were built with different runtimes (that is, I'm aware of, one of the common linking-runtime crash issues with MSVC).

Ralph

On 1 Nov 2012, at 14:11, Thomas Lokshall <thomas.lokshall at gmail.com> wrote:

> I'm attempting to integrate PhysFS with SDL 2.0 (latest from mercurial) and there seems to be a conflict here.
> 
> PhysFS 2.0.3 compiles and runs fine with the test program using Visual Studio 10.
> 
> However, as soon as you introduce SDL to the equation, it causes crashes. It compiles fine with no errors.
> 
> I made a skeleton program to test this:
> 
> /* BEGIN */
> 
> #include <stdio.h>
> #include <physfs.h>
> 
> int main(int argc, char *argv[])
> {
>   PHYSFS_init(argv[0]);
>   getchar();
>   PHYSFS_deinit();
>   return 0;
> }
> 
> /* END */
> 
> This program works just fine. However, if you link with SDL and SDLmain and change the code to this:
> 
> /* BEGIN */
> 
> #include <stdio.h>
> #include <physfs.h>
> #include <SDL/SDL.h>
> 
> int main(int argc, char *argv[])
> {
>   SDL_Init(SDL_INIT_EVERYTHING);
>   PHYSFS_init(argv[0]);
>   getchar();
>   PHYSFS_deinit();
>   SDL_Quit();
>   return 0;
> }
> 
> /* END */
> 
> This will cause the application to crash when it's calling PHYSFS_init.
> 
> There are a lot of things that seem to go wrong in windows.c
> Most of it seems to be related to the API calls and memory allocation.
> It doesn't matter if SDL is initialized before or after. Just initializing it at all causes PhysFS to crash.
> 
> The first line that fails during init is line 470 of windows.c:
> wstr = (LPWSTR) __PHYSFS_smallAlloc(psize * sizeof (WCHAR));
> 
> I have a hunch that compiling this on other platforms might be more successful.
> 
> Am I just doing something terribly wrong here or is PhysFS incompatible with SDL 2.0?
> 
> Regards,
> Thomas Lokshall
> _______________________________________________
> physfs mailing list
> physfs at icculus.org
> http://icculus.org/mailman/listinfo/physfs

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