1// Copyright 2016 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5// Test that C.malloc does not return nil. 6 7package main 8 9// #include <stdlib.h> 10import "C" 11 12import ( 13 "fmt" 14 "runtime" 15) 16 17func main() { 18 var size C.size_t 19 size-- 20 21 // The Dragonfly libc succeeds when asked to allocate 22 // 0xffffffffffffffff bytes, so pass a different value that 23 // causes it to fail. 24 if runtime.GOOS == "dragonfly" { 25 size = C.size_t(0x7fffffff << (32 * (^uintptr(0) >> 63))) 26 } 27 28 p := C.malloc(size) 29 if p == nil { 30 fmt.Println("malloc: C.malloc returned nil") 31 // Just exit normally--the test script expects this 32 // program to crash, so exiting normally indicates failure. 33 } 34} 35