path: root/vendor/bazil.org/fuse/fuseutil/fuseutil.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]
}