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go/misc/cgo/test/issue6907export.go
Ian Lance Taylor 918396b3e1 cmd/cgo: permit passing string values directly between Go and C
Permit the C preamble to use the _GoString_ type. Permit Go code to
pass string values directly to those C types. Add accessors for C
code to retrieve sizes and pointers.

Fixes #6907

Change-Id: I190c88319ec88a3ef0ddb99f342a843ba69fcaa3
Reviewed-on: https://go-review.googlesource.com/70890
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Austin Clements <austin@google.com>
2017-11-15 03:36:54 +00:00

31 lines
542 B
Go

// Copyright 2017 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.
package cgotest
/*
extern int CheckIssue6907C(_GoString_);
*/
import "C"
import (
"testing"
)
const CString = "C string"
//export CheckIssue6907Go
func CheckIssue6907Go(s string) C.int {
if s == CString {
return 1
}
return 0
}
func test6907Go(t *testing.T) {
if got := C.CheckIssue6907C(CString); got != 1 {
t.Errorf("C.CheckIssue6907C() == %d, want %d", got, 1)
}
}