Map size_t to usize by default and check compatibility (fixes #1901, … · rust-lang/rust-bindgen@cc78b6f (original) (raw)
`@@ -836,9 +836,34 @@ impl CodeGenerator for Type {
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`}
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`// If this is a known named type, disallow generating anything
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`-
// for it too.
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// for it too. If size_t -> usize conversions are enabled, we
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// need to check that these conversions are permissible, but
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// nothing needs to be generated, still.
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`let spelling = self.name().expect("Unnamed alias?");
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`if utils::type_from_named(ctx, spelling).is_some() {
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if let "size_t" | "ssize_t" = spelling {
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let layout = inner_item
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.kind()
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.expect_type()
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.layout(ctx)
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.expect("No layout?");
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assert_eq!(
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layout.size,
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ctx.target_pointer_size(),
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"Target platform requires --no-size_t-is-usize. The size of {} ({}) does not match the target pointer size ({})",
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spelling,
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layout.size,
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ctx.target_pointer_size(),
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);
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assert_eq!(
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layout.align,
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ctx.target_pointer_size(),
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"Target platform requires --no-size_t-is-usize. The alignment of {} ({}) does not match the target pointer size ({})",
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spelling,
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layout.align,
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ctx.target_pointer_size(),
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);
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}
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`return;
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`}
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``