Initial QSfera import

Server/vendor/github.com/ceph/go-ceph/cephfs/errors.go

@@ -0,0 +1,53 @@
+package cephfs
+
+/*
+#include <errno.h>
+*/
+import "C"
+
+import (
+	"errors"
+
+	"github.com/ceph/go-ceph/internal/errutil"
+)
+
+func getError(e C.int) error {
+	return errutil.GetError("cephfs", int(e))
+}
+
+// getErrorIfNegative converts a ceph return code to error if negative.
+// This is useful for functions that return a usable positive value on
+// success but a negative error number on error.
+func getErrorIfNegative(ret C.int) error {
+	if ret >= 0 {
+		return nil
+	}
+	return getError(ret)
+}
+
+// Public go errors:
+
+var (
+	// ErrEmptyArgument may be returned if a function argument is passed
+	// a zero-length slice or map.
+	ErrEmptyArgument = errors.New("Argument must contain at least one item")
+
+	// ErrNotConnected may be returned when client is not connected
+	// to a cluster.
+	ErrNotConnected = getError(-C.ENOTCONN)
+	// ErrNotExist indicates a non-specific missing resource.
+	ErrNotExist = getError(-C.ENOENT)
+	// ErrOpNotSupported is returned in general for operations that are not
+	// supported.
+	ErrOpNotSupported = getError(-C.EOPNOTSUPP)
+	// ErrNotImplemented indicates a function is not implemented in by libcephfs.
+	ErrNotImplemented = getError(-C.ENOSYS)
+
+	// Private errors:
+
+	errInvalid     = getError(-C.EINVAL)
+	errNameTooLong = getError(-C.ENAMETOOLONG)
+	errRange       = getError(-C.ERANGE)
+	errBadFile     = getError(-C.EBADF)
+	errNotDir      = getError(-C.ENOTDIR)
+)