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https://github.com/golang/go
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0e2c635788
Update #12416. Change-Id: Iccbcb12709d1ca9bea87274f44f93cfcebadb070 Reviewed-on: https://go-review.googlesource.com/17048 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: David Crawshaw <crawshaw@golang.org>
34 lines
552 B
Go
34 lines
552 B
Go
// Copyright 2015 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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package main
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/*
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extern int *GoFn(int *);
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// Yes, you can have definitions if you use //export, as long as they are weak.
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int f(void) __attribute__ ((weak));
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int f() {
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int i;
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int *p = GoFn(&i);
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if (*p != 12345)
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return 0;
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return 1;
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}
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*/
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import "C"
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//export GoFn
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func GoFn(p *C.int) *C.int {
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*p = C.int(12345)
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return p
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}
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func main() {
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if r := C.f(); r != 1 {
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panic(r)
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}
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}
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