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windows/fixups.py: limit length of string passed in a single call to WriteConsoleW. fixes #1232.

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This commit is contained in:
david-sarah 2010-10-26 19:16:36 -07:00
parent c88eb097d9
commit 25d8103dde
1 changed files with 3 additions and 1 deletions
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4
src/allmydata/windows/fixups.py
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@ -129,7 +129,9 @@ def initialize():
remaining = len(text)
while remaining > 0:
n = DWORD(0)
retval = WriteConsoleW(self._hConsole, text, remaining, byref(n), None)
# There is a shorter-than-documented limitation on the length of the string
# passed to WriteConsoleW (see #1232).
retval = WriteConsoleW(self._hConsole, text, min(remaining, 10000), byref(n), None)
if retval == 0 or n.value == 0:
raise IOError("WriteConsoleW returned %r, n.value = %r" % (retval, n.value))
remaining -= n.value