restic/vendor/bazil.org/fuse/fuseutil/fuseutil.go

21 lines
540 B
Go

package fuseutil // import "bazil.org/fuse/fuseutil"
import (
"bazil.org/fuse"
)
// HandleRead handles a read request assuming that data is the entire file content.
// It adjusts the amount returned in resp according to req.Offset and req.Size.
func HandleRead(req *fuse.ReadRequest, resp *fuse.ReadResponse, data []byte) {
if req.Offset >= int64(len(data)) {
data = nil
} else {
data = data[req.Offset:]
}
if len(data) > req.Size {
data = data[:req.Size]
}
n := copy(resp.Data[:req.Size], data)
resp.Data = resp.Data[:n]
}