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nexedi
ZEO
Commits
69f86132
Commit
69f86132
authored
Jul 20, 1999
by
Jim Fulton
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Plain Diff
Needed to qualify undo errors.
parent
c868a643
Changes
1
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Showing
1 changed file
with
7 additions
and
5 deletions
+7
-5
src/ZODB/FileStorage.py
src/ZODB/FileStorage.py
+7
-5
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src/ZODB/FileStorage.py
View file @
69f86132
...
...
@@ -184,7 +184,7 @@
# may have a back pointer to a version record or to a non-version
# record.
#
__version__
=
'$Revision: 1.1
7
$'
[
11
:
-
2
]
__version__
=
'$Revision: 1.1
8
$'
[
11
:
-
2
]
import
struct
,
time
,
os
,
bpthread
,
string
,
base64
from
struct
import
pack
,
unpack
...
...
@@ -583,9 +583,10 @@ class FileStorage(BaseStorage.BaseStorage):
seek
(
tpos
)
h
=
read
(
23
)
if
len
(
h
)
!=
23
or
h
[:
8
]
!=
tid
:
raise
UndoError
,
'Invalid undo transaction id'
raise
POSException
.
UndoError
,
'Invalid undo transaction id'
if
h
[
16
]
==
'u'
:
return
if
h
[
16
]
!=
' '
:
raise
UndoError
,
'Undoable transaction'
if
h
[
16
]
!=
' '
:
raise
POSException
.
UndoError
,
'Undoable transaction'
tl
=
u64
(
h
[
8
:
16
])
ul
,
dl
,
el
=
unpack
(
">HHH"
,
h
[
17
:
23
])
tend
=
tpos
+
tl
...
...
@@ -601,9 +602,10 @@ class FileStorage(BaseStorage.BaseStorage):
dlen
=
42
+
(
plen
or
8
)
if
vlen
:
dlen
=
dlen
+
16
+
vlen
if
index_get
(
oid
,
0
)
!=
pos
:
raise
UndoError
,
'Undoable transaction'
raise
POSException
.
UndoError
,
'Undoable transaction'
pos
=
pos
+
dlen
if
pos
>
tend
:
raise
UndoError
,
'Undoable transaction'
if
pos
>
tend
:
raise
POSException
.
UndoError
,
'Undoable transaction'
t
[
oid
]
=
prev
seek
(
tpos
+
16
)
...
...
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