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add 200 guardlines to prevent crashes

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FunkyFr3sh 2018-12-02 06:53:11 +01:00
parent c5ce766509
commit 66e37ed961
1 changed files with 3 additions and 2 deletions
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5
src/surface.c
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@ -1095,7 +1095,7 @@ HRESULT __stdcall ddraw_CreateSurface(IDirectDrawImpl *This, LPDDSURFACEDESC lpD
Surface->bmi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256); Surface->bmi = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD) * 256);
Surface->bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); Surface->bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
Surface->bmi->bmiHeader.biWidth = Surface->width; Surface->bmi->bmiHeader.biWidth = Surface->width;
Surface->bmi->bmiHeader.biHeight = -Surface->height; Surface->bmi->bmiHeader.biHeight = -(Surface->height + 200);
Surface->bmi->bmiHeader.biPlanes = 1; Surface->bmi->bmiHeader.biPlanes = 1;
Surface->bmi->bmiHeader.biBitCount = Surface->bpp; Surface->bmi->bmiHeader.biBitCount = Surface->bpp;
Surface->bmi->bmiHeader.biCompression = Surface->bpp == 16 ? BI_BITFIELDS : BI_RGB; Surface->bmi->bmiHeader.biCompression = Surface->bpp == 16 ? BI_BITFIELDS : BI_RGB;
@ -1129,7 +1129,8 @@ HRESULT __stdcall ddraw_CreateSurface(IDirectDrawImpl *This, LPDDSURFACEDESC lpD
Surface->hDC = CreateCompatibleDC(ddraw->render.hDC); Surface->hDC = CreateCompatibleDC(ddraw->render.hDC);
Surface->bitmap = CreateDIBSection(Surface->hDC, Surface->bmi, DIB_RGB_COLORS, (void **)&Surface->surface, NULL, 0); Surface->bitmap = CreateDIBSection(Surface->hDC, Surface->bmi, DIB_RGB_COLORS, (void **)&Surface->surface, NULL, 0);
Surface->bmi->bmiHeader.biHeight = -Surface->height;
if (!Surface->bitmap) if (!Surface->bitmap)
Surface->surface = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, Surface->lPitch * Surface->height * Surface->lXPitch); Surface->surface = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, Surface->lPitch * Surface->height * Surface->lXPitch);