From: Fred Drake <fdrake@acm.org>
Date: Tue, 17 Sep 2002 18:10:34 +0000 (+0000)
Subject: write():  Special case the common situation of a stream that's only
X-Git-Tag: v2.3c1~4043
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d679e09970465d1b914b7d3dc11eaddbbcd6d289;p=thirdparty%2FPython%2Fcpython.git

write():  Special case the common situation of a stream that's only
          being used to dump output (no seeks), so we can avoid a lot
          of extra checks being made.
---

diff --git a/Lib/StringIO.py b/Lib/StringIO.py
index 7c4b6c7705c7..79ab7e16b329 100644
--- a/Lib/StringIO.py
+++ b/Lib/StringIO.py
@@ -152,6 +152,10 @@ class StringIO:
         # Force s to be a string or unicode
         if not isinstance(s, basestring):
             s = str(s)
+        if self.pos == self.len:
+            self.buflist.append(s)
+            self.len = self.pos = self.pos + len(s)
+            return
         if self.pos > self.len:
             self.buflist.append('\0'*(self.pos - self.len))
             self.len = self.pos