go/misc/cgo/errors/src/malloc.go
Bryan C. Mills d02477e994 misc/cgo/errors: port test.bash to Go
This makes the test easier to run in isolation and easier to change,
and simplifies the code to run the tests in parallel.

updates #13467

Change-Id: I5622b5cc98276970347da18e95d071dbca3c5cc1
Reviewed-on: https://go-review.googlesource.com/63276
Run-TryBot: Bryan Mills <bcmills@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
2017-09-13 17:45:52 +00:00

35 lines
766 B
Go

// Copyright 2016 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.
// Test that C.malloc does not return nil.
package main
// #include <stdlib.h>
import "C"
import (
"fmt"
"runtime"
)
func main() {
var size C.size_t
size--
// The Dragonfly libc succeeds when asked to allocate
// 0xffffffffffffffff bytes, so pass a different value that
// causes it to fail.
if runtime.GOOS == "dragonfly" {
size = C.size_t(0x7fffffff << (32 * (^uintptr(0) >> 63)))
}
p := C.malloc(size)
if p == nil {
fmt.Println("malloc: C.malloc returned nil")
// Just exit normally--the test script expects this
// program to crash, so exiting normally indicates failure.
}
}