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Merged
merged 20 commits into from
Aug 15, 2019
Merged

Detail layout of repr(C) unions #160

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fa11cbd
Detail layout of repr(C) unions
gnzlbg Jul 8, 2019
ccd7fb3
Correct sub-section title
gnzlbg Jul 26, 2019
bc72ad6
Re-word the repr C union section into sub-sections
gnzlbg Jul 26, 2019
fa925d7
Document C++ compatibility hazard
gnzlbg Jul 26, 2019
8f9de1c
Fix typo
gnzlbg Jul 26, 2019
8b6663b
Update reference/src/layout/unions.md
gnzlbg Jul 26, 2019
bce7775
Fix spurious trailing sentence
gnzlbg Jul 26, 2019
29b0a7b
Remove value representation of repr(C) unions
gnzlbg Jul 26, 2019
b385179
Fix typo
gnzlbg Jul 26, 2019
6efcf76
Update reference/src/layout/unions.md
gnzlbg Aug 11, 2019
0f03acd
clarify that the tautological assumption that a zero-sized field has …
gnzlbg Aug 11, 2019
a5ca961
Merge branch 'reprc_unions' of github.com:gnzlbg/unsafe-code-guidelin…
gnzlbg Aug 11, 2019
34592df
Make C++ wording correct
gnzlbg Aug 14, 2019
e5af280
Remove duplicate note
gnzlbg Aug 14, 2019
e88dc3d
Simplify zero-sized fields of unions
gnzlbg Aug 14, 2019
f438c09
Update reference/src/layout/unions.md
gnzlbg Aug 15, 2019
a057fa2
Link to struct chapter
gnzlbg Aug 15, 2019
4897618
Merge branch 'reprc_unions' of github.com:gnzlbg/unsafe-code-guidelin…
gnzlbg Aug 15, 2019
85c89aa
mention size-filling padding
RalfJung Aug 15, 2019
ef65895
Merge pull request #1 from RalfJung/reprc_unions
gnzlbg Aug 15, 2019
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Correct sub-section title
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@gnzlbg
gnzlbg committed Jul 26, 2019
commit ccd7fb37fd21a476f9e167ba0a8aba1cfa9e3cc7
2 changes: 1 addition & 1 deletion reference/src/layout/unions.md
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Expand Up @@ -29,7 +29,7 @@ Even if the offsets happen to be all 0, there might still be differences in the
function call ABI. If you need to pass unions by-value across an FFI boundary,
you have to use `#[repr(C)]`.

### Layout of `repr(C)` unions
### Layout of "repr C" unions

The layout of `repr(C)` unions follows the C layout scheme. Per sections
[6.5.8.5] and [6.7.2.1.16] of the C11 specification, this means that the offset
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