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Assume WIN32 HINSTANCE is a void * #230

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merged 1 commit into from Apr 9, 2020
Merged

Assume WIN32 HINSTANCE is a void * #230

merged 1 commit into from Apr 9, 2020

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cottsay
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@cottsay cottsay commented Apr 9, 2020

According to MSDN, HINSTANCE is a HANDLE is a PVOID is a void * everywhere on Windows. If we assume this, we can drop the problematic Windows.h include from our header and contain it to a single source file.

I included a sanity check that will break if this assumption is ever broken.

Alternative to #229
Inspired by ros2/geometry2#247

@cottsay cottsay self-assigned this Apr 9, 2020
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cottsay commented Apr 9, 2020

  • Linux Build Status
  • Linux-aarch64 Build Status
  • macOS Build Status
  • Windows Build Status

@cottsay cottsay added the bug Something isn't working label Apr 9, 2020
According to MSDN, `HINSTANCE` is a `HANDLE` is a `PVOID` is a `void *`
everywhere on Windows. If we assume this, we can drop the problematic
Windows.h include from our header and contain it to a single source
file.

I included a sanity check that will break if this assumption is ever
broken.

Signed-off-by: Scott K Logan <logans@cottsay.net>
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cottsay commented Apr 9, 2020

The Windows test failures were appearing on nightly builds a few days ago, so I don't believe that this change regressed them.
Since tests look good on all 4 platforms, I'm going to merge this in.

@cottsay cottsay merged commit a6306c6 into master Apr 9, 2020
@delete-merged-branch delete-merged-branch bot deleted the remove_windows_h branch April 9, 2020 22:18
jacobperron added a commit that referenced this pull request Apr 10, 2020
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