// Copyright 2015 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 main /* #include void f(int32_t *p, int n) { int i; for (i = 0; i < n; i++) { p[i] = (int32_t)i; } } */ import "C" import ( "fmt" "os" "unsafe" ) func main() { a := make([]int32, 10) C.f((*C.int32_t)(unsafe.Pointer(&a[0])), C.int(len(a))) for i, v := range a { if i != int(v) { fmt.Println("bad %d: %v\n", i, a) os.Exit(1) } } }