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author | Mateusz Poliwczak <mpoliwczak34@gmail.com> | 2023-05-11 08:21:21 +0000 |
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committer | Gopher Robot <gobot@golang.org> | 2023-05-16 16:01:08 +0000 |
commit | 5534f04498cfa71a69a78b9065e7f9138b48f05f (patch) | |
tree | beef615463126194da0c63951f20e7253701b20b | |
parent | 04e2472895e7021f632cf76a89872a011c519cef (diff) | |
download | go-git-5534f04498cfa71a69a78b9065e7f9138b48f05f.tar.gz |
net: use and assert correct res state size at compile time when cgo available on darwin
Change-Id: I961bb18604dd1568ea21431545f43aa6a417b3d9
GitHub-Last-Rev: 735f3364a4f2182f3e3e1b84f39a042e86987967
GitHub-Pull-Request: golang/go#60046
Reviewed-on: https://go-review.googlesource.com/c/go/+/493415
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Mateusz Poliwczak <mpoliwczak34@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Heschi Kreinick <heschi@google.com>
-rw-r--r-- | src/internal/syscall/unix/net_darwin.go | 2 | ||||
-rw-r--r-- | src/net/cgo_unix_cgo_darwin.go | 21 |
2 files changed, 22 insertions, 1 deletions
diff --git a/src/internal/syscall/unix/net_darwin.go b/src/internal/syscall/unix/net_darwin.go index 8b908ae600..5601b49750 100644 --- a/src/internal/syscall/unix/net_darwin.go +++ b/src/internal/syscall/unix/net_darwin.go @@ -119,7 +119,7 @@ func syscall_syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err func syscall_syscall9(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) type ResState struct { - unexported [70]uintptr + unexported [69]uintptr } //go:cgo_import_dynamic libresolv_res_9_ninit res_9_ninit "/usr/lib/libresolv.9.dylib" diff --git a/src/net/cgo_unix_cgo_darwin.go b/src/net/cgo_unix_cgo_darwin.go new file mode 100644 index 0000000000..40d5e426f2 --- /dev/null +++ b/src/net/cgo_unix_cgo_darwin.go @@ -0,0 +1,21 @@ +// Copyright 2023 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 !netgo && cgo && darwin + +package net + +/* +#include <resolv.h> +*/ +import "C" + +import ( + "internal/syscall/unix" + "unsafe" +) + +// This will cause a compile error when the size of +// unix.ResState is too small. +type _ [unsafe.Sizeof(unix.ResState{}) - unsafe.Sizeof(C.struct___res_state{})]byte |