rclone/vfs/errors.go

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// Cross platform errors
package vfs
import (
"fmt"
"os"
)
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// Error describes low level errors in a cross platform way.
type Error byte
// NB if changing errors translateError in cmd/mount/fs.go, cmd/cmount/fs.go
// Low level errors
const (
OK Error = iota
ENOTEMPTY
ESPIPE
EBADF
EROFS
ENOSYS
)
// Errors which have exact counterparts in os
var (
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ENOENT = os.ErrNotExist
EEXIST = os.ErrExist
EPERM = os.ErrPermission
EINVAL = os.ErrInvalid
ECLOSED = os.ErrClosed
)
var errorNames = []string{
OK: "Success",
ENOTEMPTY: "Directory not empty",
ESPIPE: "Illegal seek",
EBADF: "Bad file descriptor",
EROFS: "Read only file system",
ENOSYS: "Function not implemented",
}
// Error renders the error as a string
func (e Error) Error() string {
if int(e) >= len(errorNames) {
return fmt.Sprintf("Low level error %d", e)
}
return errorNames[e]
}