vendor: Add dependencies for discosrv

vendor/github.com/cznic/fileutil/falloc/error.go

@@ -0,0 +1,130 @@
+// Copyright (c) 2011 CZ.NIC z.s.p.o. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// blame: jnml, labs.nic.cz
+
+package falloc
+
+import "fmt"
+
+// EBadRequest is an error produced for invalid operation, e.g. for data of more than maximum allowed.
+type EBadRequest struct {
+	Name string
+	Size int
+}
+
+func (e *EBadRequest) Error() string {
+	return fmt.Sprintf("%s: size %d", e.Name, e.Size)
+}
+
+// EClose is a file/store close error.
+type EClose struct {
+	Name string
+	Err  error
+}
+
+func (e *EClose) Error() string {
+	return fmt.Sprintf("%sx: %s", e.Name, e.Err)
+}
+
+// ECorrupted is a file/store format error.
+type ECorrupted struct {
+	Name string
+	Ofs  int64
+}
+
+func (e *ECorrupted) Error() string {
+	return fmt.Sprintf("%s: corrupted data @%#x", e.Name, e.Ofs)
+}
+
+// ECreate is a file/store create error.
+type ECreate struct {
+	Name string
+	Err  error
+}
+
+func (e *ECreate) Error() string {
+	return fmt.Sprintf("%s: %s", e.Name, e.Err)
+}
+
+// EFreeList is a file/store format error.
+type EFreeList struct {
+	Name  string
+	Size  int64
+	Block int64
+}
+
+func (e *EFreeList) Error() string {
+	return fmt.Sprintf("%s: invalid free list item, size %#x, block %#x", e.Name, e.Size, e.Block)
+}
+
+// EHandle is an error type reported for invalid Handles.
+type EHandle struct {
+	Name   string
+	Handle Handle
+}
+
+func (e EHandle) Error() string {
+	return fmt.Sprintf("%s: invalid handle %#x", e.Name, e.Handle)
+}
+
+// EHeader is a file/store format error.
+type EHeader struct {
+	Name     string
+	Header   []byte
+	Expected []byte
+}
+
+func (e *EHeader) Error() string {
+	return fmt.Sprintf("%s: invalid header, got [% x], expected [% x]", e.Name, e.Header, e.Expected)
+}
+
+// ENullHandle is a file/store access error via a null handle.
+type ENullHandle string
+
+func (e ENullHandle) Error() string {
+	return fmt.Sprintf("%s: access via null handle", e)
+}
+
+// EOpen is a file/store open error.
+type EOpen struct {
+	Name string
+	Err  error
+}
+
+func (e *EOpen) Error() string {
+	return fmt.Sprintf("%s: %s", e.Name, e.Err)
+}
+
+// ERead is a file/store read error.
+type ERead struct {
+	Name string
+	Ofs  int64
+	Err  error
+}
+
+func (e *ERead) Error() string {
+	return fmt.Sprintf("%s, %#x: %s", e.Name, e.Ofs, e.Err)
+}
+
+// ESize is a file/store size error.
+type ESize struct {
+	Name string
+	Size int64
+}
+
+func (e *ESize) Error() string {
+	return fmt.Sprintf("%s: invalid size %#x(%d), size %%16 != 0", e.Name, e.Size, e.Size)
+}
+
+// EWrite is a file/store write error.
+type EWrite struct {
+	Name string
+	Ofs  int64
+	Err  error
+}
+
+func (e *EWrite) Error() string {
+	return fmt.Sprintf("%s, %#x: %s", e.Name, e.Ofs, e.Err)
+}