| // build | |
| //go:build cgo | |
| // Copyright 2025 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 CFLAGS: -Werror -Wimplicit-function-declaration | |
| #include <stdio.h> | |
| static void CFn(_GoString_ gostr) { | |
| printf("%.*s\n", (int)(_GoStringLen(gostr)), _GoStringPtr(gostr)); | |
| } | |
| */ | |
| import "C" | |
| func main() { | |
| C.CFn("hello, world") | |
| } | |
| // The bug only occurs if there is an exported function. | |
| //export Fn | |
| func Fn() { | |
| } |