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e24ccfc6fc
The Dragonfly libc returns a non-zero value for malloc(-1). Fixes #17585. Change-Id: Icfe68011ccbc75c676273ee3c3efdf24a520a004 Reviewed-on: https://go-review.googlesource.com/32050 Run-TryBot: Ian Lance Taylor <iant@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
35 lines
766 B
Go
35 lines
766 B
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// Test that C.malloc does not return nil.
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package main
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// #include <stdlib.h>
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import "C"
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import (
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"fmt"
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"runtime"
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)
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func main() {
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var size C.size_t
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size--
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// The Dragonfly libc succeeds when asked to allocate
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// 0xffffffffffffffff bytes, so pass a different value that
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// causes it to fail.
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if runtime.GOOS == "dragonfly" {
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size = C.size_t(0x7fffffff << (32 * (^uintptr(0) >> 63)))
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}
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p := C.malloc(size)
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if p == nil {
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fmt.Println("malloc: C.malloc returned nil")
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// Just exit normally--the test script expects this
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// program to crash, so exiting normally indicates failure.
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}
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}
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