update main, kinda

1 files changed, 30 insertions, 0 deletions

diff --git a/pkg/btrfs/internal/misc.go b/pkg/btrfs/internal/misc.go
new file mode 100644
index 0000000..e7d9dd6
--- /dev/null
+++ b/pkg/btrfs/internal/misc.go
@@ -0,0 +1,30 @@
+package internal
+
+import (
+	"time"
+
+	"lukeshu.com/btrfs-tools/pkg/binstruct"
+)
+
+type (
+	PhysicalAddr int64
+	LogicalAddr  int64
+	Generation   uint64
+)
+
+type Key struct {
+	ObjectID      ObjID    `bin:"off=0, siz=8"` // Each tree has its own set of Object IDs.
+	ItemType      ItemType `bin:"off=8, siz=1"`
+	Offset        uint64   `bin:"off=9, siz=8"` // The meaning depends on the item type.
+	binstruct.End `bin:"off=11"`
+}
+
+type Time struct {
+	Sec           int64  `bin:"off=0, siz=8"` // Number of seconds since 1970-01-01T00:00:00Z.
+	NSec          uint32 `bin:"off=8, siz=4"` // Number of nanoseconds since the beginning of the second.
+	binstruct.End `bin:"off=c"`
+}
+
+func (t Time) ToStd() time.Time {
+	return time.Unix(t.Sec, int64(t.NSec))
+}