1
0
mirror of https://github.com/golang/go synced 2024-11-06 13:36:12 -07:00
go/misc/cgo/test/testdata/issue27340/a.go
Bryan C. Mills 551af5f50a misc/cgo/test: fix tests in module mode
This change preserves the ability to test misc/cgo/test in GOPATH
mode, at the cost of indirection through a 'go test' subprocess.

Updates #30228

Change-Id: I08de855e62278d30fa622b2f7478e43dd2ab0e96
Reviewed-on: https://go-review.googlesource.com/c/163418
Run-TryBot: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2019-02-24 00:35:18 +00:00

43 lines
1.2 KiB
Go

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