Added some code to detect if emulted program use old IMG_SavePNG_RW api instead of current one

1 files changed, 1 insertions, 0 deletions

diff --git a/src/include/sdl2rwops.h b/src/include/sdl2rwops.h
index a049f80b..f03f17c2 100755
--- a/src/include/sdl2rwops.h
+++ b/src/include/sdl2rwops.h
@@ -22,6 +22,7 @@ typedef struct SDL2RWSave_s {
 SDL2_RWops_t* AddNativeRW2(x64emu_t* emu, SDL2_RWops_t* ops);
 SDL2_RWops_t* RWNativeStart2(x64emu_t* emu, SDL2_RWops_t* ops); // put native RW functions, wrapping the emulated (callback style) ones if needed
 void RWNativeEnd2(SDL2_RWops_t* ops);                           // put emulated function back in place
+int isRWops(SDL2_RWops_t* ops); // 1 if ops seems to be a valid RWops, 0 if not
 
 int64_t RWNativeSeek2(SDL2_RWops_t *ops, int64_t offset, int32_t whence);
 uint32_t RWNativeRead2(SDL2_RWops_t* ops, void* ptr, uint32_t size, uint32_t maxnum);