// 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.

package cgotest

/*
#cgo !darwin LDFLAGS: -lm
#include <math.h>
*/
import "C"
import (
	"testing"

	"cmd/cgo/internal/test/issue8756"
)

func test8756(t *testing.T) {
	issue8756.Pow()
	C.pow(1, 2)

		hasHEVA := (dc & pe.IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA) != 0
		if useASLR && !hasHEVA {
			t.Error("IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA flag is not set")
		} else if !useASLR && hasHEVA {
			t.Error("IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA flag should not be set")
		}
	default:
		t.Fatalf("unexpected optional header type of %T", f.OptionalHeader)
	}

package main

// This program produced false race reports when run under the C/C++
// ThreadSanitizer, as it did not understand the synchronization in
// the Go code.

/*
#cgo CFLAGS: -fsanitize=thread
#cgo LDFLAGS: -fsanitize=thread

int val;

int getVal() {
	return val;
}

void setVal(int i) {
	val = i;
}
*/
import "C"

import (
	"runtime"
)

func main() {
	runtime.LockOSThread()

// Copyright 2018 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.

//go:build darwin

package issue24161res

/*
#cgo LDFLAGS: -framework CoreFoundation
#include <CoreFoundation/CoreFoundation.h>
*/
import "C"
import (
	"reflect"
	"testing"
)

func Test(t *testing.T) {

// Copyright 2013 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: -L/nonexist

void test() {
	xxx;		// ERROR HERE
}

// Issue 8442.  Cgo output unhelpful error messages for
// invalid C preambles.
void issue8442foo(UNDEF*); // ERROR HERE
*/
import "C"

func main() {
	C.test()

env GOFLAGS='-m -v'
go version
stdout '^go version'
env GOFLAGS=

env GO111MODULE=on

# Check that very basic version lookup succeeds.
go build empty.go
go version empty$GOEXE
[cgo] go build -ldflags=-linkmode=external empty.go
[cgo] go version empty$GOEXE

# Skip the remaining builds if we are running in short mode.
[short] skip

# Check that 'go version' and 'go version -m' work on a binary built in module mode.

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin

package issue24161e1

/*
#cgo CFLAGS: -x objective-c
#cgo LDFLAGS: -framework CoreFoundation -framework Security
#include <TargetConditionals.h>
#include <CoreFoundation/CoreFoundation.h>
#include <Security/Security.h>
#if TARGET_OS_IPHONE == 0 && __MAC_OS_X_VERSION_MAX_ALLOWED < 101200

// AddBuildFlagsNX adds the -n and -x build flags to the flag set.
func AddBuildFlagsNX(flags *flag.FlagSet) {
	flags.BoolVar(&cfg.BuildN, "n", false, "")
	flags.BoolVar(&cfg.BuildX, "x", false, "")
}

// AddChdirFlag adds the -C flag to the flag set.
func AddChdirFlag(flags *flag.FlagSet) {
	// The usage message is never printed, but it's used in chdir_test.go
	// to identify that the -C flag is from AddChdirFlag.

// run for an arbitrarily long time without triggering the libc interceptors.
// See https://golang.org/issue/18717.

import (
	"os"
	"os/signal"
	"syscall"
)

/*
#cgo CFLAGS: -g -fsanitize=thread
#cgo LDFLAGS: -g -fsanitize=thread
*/
import "C"

func main() {
	c := make(chan os.Signal, 1)
	signal.Notify(c, syscall.SIGUSR1)
	defer signal.Stop(c)
	syscall.Kill(syscall.Getpid(), syscall.SIGUSR1)
	<-c

/*
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <unistd.h>
#include <string.h>
#include <arpa/nameser.h>
#include <resolv.h>

#cgo !android,!openbsd LDFLAGS: -lresolv
*/
import "C"

type _C_struct___res_state = struct{}

func _C_res_ninit(state *_C_struct___res_state) error {
	return nil
}

func _C_res_nclose(state *_C_struct___res_state) {
	return
}