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https://gitee.com/openharmony/third_party_rust_cxx
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0356d33acb
MSVC is hesitant about passing private fields in an extern "C" signature.
Repro:
struct Str1 {
const char *ptr;
size_t len;
};
struct Str2 {
private:
const char *ptr;
size_t len;
};
extern "C" {
Str1 str1();
Str2 str2();
}
Warning from MSVC v19.27:
warning C4190: 'str2' has C-linkage specified, but returns UDT 'Str2' which is incompatible with C
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|---|---|---|
| .. | ||
| ffi | ||
| ui | ||
| BUCK | ||
| BUILD | ||
| compiletest.rs | ||
| cxx_gen.rs | ||
| test.rs | ||
| unique_ptr.rs | ||