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-rw-r--r--pkg/sentry/vfs/file_description_impl_util.go11
1 files changed, 11 insertions, 0 deletions
diff --git a/pkg/sentry/vfs/file_description_impl_util.go b/pkg/sentry/vfs/file_description_impl_util.go
index 3df49991c..de782e577 100644
--- a/pkg/sentry/vfs/file_description_impl_util.go
+++ b/pkg/sentry/vfs/file_description_impl_util.go
@@ -199,6 +199,17 @@ type DynamicBytesSource interface {
Generate(ctx context.Context, buf *bytes.Buffer) error
}
+// StaticData implements DynamicBytesSource over a static string.
+type StaticData struct {
+ Data string
+}
+
+// Generate implements DynamicBytesSource.
+func (s *StaticData) Generate(ctx context.Context, buf *bytes.Buffer) error {
+ buf.WriteString(s.Data)
+ return nil
+}
+
// SetDataSource must be called exactly once on fd before first use.
func (fd *DynamicBytesFileDescriptionImpl) SetDataSource(data DynamicBytesSource) {
fd.data = data