mirror of
https://github.com/golang/go
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43 lines
1.2 KiB
Go
43 lines
1.2 KiB
Go
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Failed to resolve typedefs consistently.
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// No runtime test; just make sure it compiles.
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// In separate directory to isolate #pragma GCC diagnostic.
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package issue27340
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// We use the #pragma to avoid a compiler warning about incompatible
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// pointer types, because we generate code passing a struct ptr rather
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// than using the typedef. This warning is expected and does not break
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// a normal build.
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// We can only disable -Wincompatible-pointer-types starting with GCC 5.
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// #if __GNU_MAJOR__ >= 5
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//
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// #pragma GCC diagnostic ignored "-Wincompatible-pointer-types"
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//
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// typedef struct {
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// int a;
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// } issue27340Struct, *issue27340Ptr;
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//
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// static void issue27340CFunc(issue27340Ptr p) {}
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//
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// #else /* _GNU_MAJOR_ < 5 */
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//
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// typedef struct {
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// int a;
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// } issue27340Struct;
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//
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// static issue27340Struct* issue27340Ptr(issue27340Struct* p) { return p; }
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//
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// static void issue27340CFunc(issue27340Struct *p) {}
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// #endif /* _GNU_MAJOR_ < 5 */
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import "C"
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func Issue27340GoFunc() {
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var s C.issue27340Struct
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C.issue27340CFunc(C.issue27340Ptr(&s))
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}
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