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API doesn't permit specifying transient destructors without potentially unsound coercions #9

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udoprog opened this issue Jun 14, 2024 · 1 comment
Open

API doesn't permit specifying transient destructors without potentially unsound coercions #9

udoprog opened this issue Jun 14, 2024 · 1 comment
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@udoprog
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udoprog commented Jun 14, 2024 •
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See for example: sqlite3_result_blob.

In sqlite3 these supports special sentinel values which marks the value as transient, see: https://sqlite.org/c3ref/c_static.html.

This can only be done by coercing the sentinel value -1 into the Option<T> directly, which to my knowledge is not guaranteed to be correct.
@IvanUkhov
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Thank you for the note. I guess one has to look into how to customize bindgen to accommodate this.

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@IvanUkhov @udoprog