mirror of
https://github.com/golang/go
synced 2024-11-24 13:20:15 -07:00
6e5ccce87f
Fixes these warnings from go vet: buildid_linux.go:25: no formatting directive in Fatalf call callback.go:180: arg pc[i] for printf verb %p of wrong type: uintptr env.go:34: possible misuse of unsafe.Pointer issue7665.go:22: possible misuse of unsafe.Pointer Change-Id: I83811b9c10c617139713a626b4a34ab05564d4fe Reviewed-on: https://go-review.googlesource.com/15802 Reviewed-by: David Crawshaw <crawshaw@golang.org>
42 lines
977 B
Go
42 lines
977 B
Go
// Copyright 2011 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
|
|
|
|
/*
|
|
#include <stdlib.h>
|
|
*/
|
|
import "C"
|
|
import (
|
|
"os"
|
|
"runtime"
|
|
"testing"
|
|
"unsafe"
|
|
)
|
|
|
|
// This is really an os package test but here for convenience.
|
|
func testSetEnv(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
// Go uses SetEnvironmentVariable on windows. Howerver,
|
|
// C runtime takes a *copy* at process startup of thei
|
|
// OS environment, and stores it in environ/envp.
|
|
// It is this copy that getenv/putenv manipulate.
|
|
t.Logf("skipping test")
|
|
return
|
|
}
|
|
const key = "CGO_OS_TEST_KEY"
|
|
const val = "CGO_OS_TEST_VALUE"
|
|
os.Setenv(key, val)
|
|
keyc := C.CString(key)
|
|
defer C.free(unsafe.Pointer(keyc))
|
|
v := C.getenv(keyc)
|
|
if uintptr(unsafe.Pointer(v)) == 0 {
|
|
t.Fatal("getenv returned NULL")
|
|
}
|
|
vs := C.GoString(v)
|
|
if vs != val {
|
|
t.Fatalf("getenv() = %q; want %q", vs, val)
|
|
}
|
|
}
|