1 files changed, 40 insertions, 0 deletions
diff --git a/vendor/github.com/bufbuild/protocompile/linker/pathkey_unsafe.go b/vendor/github.com/bufbuild/protocompile/linker/pathkey_unsafe.go
new file mode 100644
index 0000000..aa33e74
--- /dev/null
+++ b/vendor/github.com/bufbuild/protocompile/linker/pathkey_unsafe.go
@@ -0,0 +1,40 @@
+// Copyright 2020-2024 Buf Technologies, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+//go:build !appengine && !gopherjs && !purego
+// +build !appengine,!gopherjs,!purego
+
+// NB: other environments where unsafe is inappropriate should use "purego" build tag
+// https://github.com/golang/go/issues/23172
+
+package linker
+
+import (
+	"reflect"
+	"unsafe"
+
+	"google.golang.org/protobuf/reflect/protoreflect"
+)
+
+var pathElementType = reflect.TypeOf(protoreflect.SourcePath{}).Elem()
+
+func pathKey(p protoreflect.SourcePath) interface{} {
+	if p == nil {
+		// Reflection code below doesn't work with nil slices
+		return [0]int32{}
+	}
+	hdr := (*reflect.SliceHeader)(unsafe.Pointer(reflect.ValueOf(&p).Pointer()))
+	array := reflect.NewAt(reflect.ArrayOf(hdr.Len, pathElementType), unsafe.Pointer(hdr.Data))
+	return array.Elem().Interface()
+}