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revlog: fix reading of larger revlog indices on Windows

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This commit is contained in:
Matt Mackall 2009-05-23 11:53:23 -05:00
parent 5b1c52187d
commit 2c2304d400
1 changed files with 14 additions and 18 deletions
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32
mercurial/revlog.py
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@ -322,7 +322,7 @@ class revlogoldio(object):
index = []
nodemap = {nullid: nullrev}
n = off = 0
if len(data) < _prereadsize:
if len(data) == _prereadsize:
data += fp.read() # read the rest
l = len(data)
while off + s <= l:
@ -362,23 +362,19 @@ class revlogio(object):
self.size = struct.calcsize(indexformatng)
def parseindex(self, fp, data, inline):
try:
size = len(data)
if size == _prereadsize:
size = util.fstat(fp).st_size
except AttributeError:
size = 0
if util.openhardlinks() and not inline and size > _prereadsize:
# big index, let's parse it on demand
parser = lazyparser(fp, size)
index = lazyindex(parser)
nodemap = lazymap(parser)
e = list(index[0])
type = gettype(e[0])
e[0] = offset_type(0, type)
index[0] = e
return index, nodemap, None
if len(data) == _prereadsize:
if util.openhardlinks() and not inline:
# big index, let's parse it on demand
parser = lazyparser(fp, size)
index = lazyindex(parser)
nodemap = lazymap(parser)
e = list(index[0])
type = gettype(e[0])
e[0] = offset_type(0, type)
index[0] = e
return index, nodemap, None
else:
data += fp.read()
# call the C implementation to parse the index data
index, nodemap, cache = parsers.parse_index(data, inline)