// 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)

// 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) {

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() {

// 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()

go version empty.dll
stderr 'could not read Go build info'

# Neither of the two flags above should be an issue via GOFLAGS.
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

// 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>

// 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)

/*
#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
}

// 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.

//go:build cgo && !netgo

package net

/*
#cgo LDFLAGS: -lsocket -lnsl -lsendfile
#include <netdb.h>
*/
import "C"

// 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 issue24161arg

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

func test24161array() C.CFArrayRef {
	return C.CFArrayCreate(0, nil, 0, nil)