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Bug 5202

Summary: Crash with UWP MessageBox
Product: SDL Reporter: moemod <824395314>
Component: videoAssignee: David Ludwig <dll>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: blocker    
Priority: P2 CC: icculus
Version: 2.0.12Keywords: target-2.0.14
Hardware: x86_64   
OS: Windows 10   

Description moemod 2020-06-19 12:05:16 UTC 
I have a UWP program built with SDL2. After I update to a newer version, it crashes after clicking a button on messagebox. 

A Platform::InvalidCastException was thrown at https://github.com/spurious/SDL-mirror/commit/1758af58f5edc6872b441c844106f76129cae252#diff-8f71cf6c43858565f3bcf4987c98e3c7R107

Built with MSVC 19.26 and Windows SDK 10.0.18362, x64.

After I roll back this commit, everything works fine. Is this change safe?
Comment 1 Ryan C. Gordon 2020-07-16 17:27:18 UTC 
I believe (but have not tested) that this is fixed in https://hg.libsdl.org/SDL/rev/8e63abf94443

It looks like we accidentally cast a pointer to an int, which chops off the top half on 64-bit platforms, so we cast it to a size_t instead, now.

--ryan.