overdue

.rclone_repo/vfs/errors.go

@@ -0,0 +1,49 @@
+// Cross platform errors
+
+package vfs
+
+import (
+	"fmt"
+	"os"
+)
+
+// 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 (
+	ENOENT = os.ErrNotExist
+	EEXIST = os.ErrExist
+	EPERM  = os.ErrPermission
+	EINVAL = os.ErrInvalid
+	// ECLOSED see errors_{old,new}.go
+)
+
+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]
+}