mirror of
https://github.com/golang/go
synced 2024-11-17 20:34:44 -07:00
8f1e2d4ef7
If we run 'go test ./...' in the misc module, we don't want to see errors for these standalone files. We could instead add +ignore tags to each file individually, but this is exactly what a testdata directory is for. Updates #30228 Change-Id: I7047ad888dd6aff701f5982d58b6a79f6a487c58 Reviewed-on: https://go-review.googlesource.com/c/163417 Run-TryBot: Bryan C. Mills <bcmills@google.com> Reviewed-by: Jay Conrod <jayconrod@google.com>
39 lines
710 B
Go
39 lines
710 B
Go
// 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
|
|
|
|
/*
|
|
#cgo LDFLAGS: -fsanitize=memory
|
|
#cgo CPPFLAGS: -fsanitize=memory
|
|
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
|
|
void f(int32_t *p, int n) {
|
|
int32_t * volatile q = (int32_t *)malloc(sizeof(int32_t) * n);
|
|
memcpy(p, q, n * sizeof(*p));
|
|
free(q);
|
|
}
|
|
|
|
void g(int32_t *p, int n) {
|
|
if (p[4] != 1) {
|
|
abort();
|
|
}
|
|
}
|
|
*/
|
|
import "C"
|
|
|
|
import (
|
|
"unsafe"
|
|
)
|
|
|
|
func main() {
|
|
a := make([]int32, 10)
|
|
C.f((*C.int32_t)(unsafe.Pointer(&a[0])), C.int(len(a)))
|
|
a[4] = 1
|
|
C.g((*C.int32_t)(unsafe.Pointer(&a[0])), C.int(len(a)))
|
|
}
|