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authorBenjamin Peterson <benjamin@python.org>2009-12-13 17:29:16 +0000
committerBenjamin Peterson <benjamin@python.org>2009-12-13 17:29:16 +0000
commit414721614f6f550f8d8353b09b178e1d055f1d1f (patch)
treea5f69d893fc93c290aa5e7801abe5f518b27774a /Lib/StringIO.py
parent4895af4ef1c91679e642c0fc81f584aecc26a7ea (diff)
downloadcpython-git-414721614f6f550f8d8353b09b178e1d055f1d1f.tar.gz
make StringIO like other file objects in that readline(-1) has no effect #7348
Diffstat (limited to 'Lib/StringIO.py')
-rw-r--r--Lib/StringIO.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/Lib/StringIO.py b/Lib/StringIO.py
index 054ad4c3d5..340fae1229 100644
--- a/Lib/StringIO.py
+++ b/Lib/StringIO.py
@@ -158,7 +158,7 @@ class StringIO:
newpos = self.len
else:
newpos = i+1
- if length is not None:
+ if length is not None and length > 0:
if self.pos + length < newpos:
newpos = self.pos + length
r = self.buf[self.pos:newpos]