main.go RawHistoryFolder

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: 2022 The Ebitengine Authors
3
4//go:build darwin || freebsd || linux || windows
5
6package main
7
8import (
9	"fmt"
10	"runtime"
11
12	"github.com/ebitengine/purego"
13)
14
15func getSystemLibrary() string {
16	switch runtime.GOOS {
17	case "darwin":
18		return "/usr/lib/libSystem.B.dylib"
19	case "linux":
20		return "libc.so.6"
21	case "freebsd":
22		return "libc.so.7"
23	case "windows":
24		return "ucrtbase.dll"
25	default:
26		panic(fmt.Errorf("GOOS=%s is not supported", runtime.GOOS))
27	}
28}
29
30func main() {
31	libc, err := openLibrary(getSystemLibrary())
32	if err != nil {
33		panic(err)
34	}
35	var puts func(string)
36	purego.RegisterLibFunc(&puts, libc, "puts")
37	puts("Calling C from Go without Cgo!")
38}