win32: add comment about WinError
Prevent reintroducing the bug that was added in
e34106fa0dc3 (and fixed with
a2285e2fc949).
--- a/mercurial/win32.py Fri Mar 27 14:11:13 2015 -0700
+++ b/mercurial/win32.py Sat Mar 28 11:19:34 2015 +0100
@@ -279,7 +279,7 @@
buf = ctypes.create_string_buffer(size + 1)
len = _kernel32.GetModuleFileNameA(None, ctypes.byref(buf), size)
if len == 0:
- raise ctypes.WinError()
+ raise ctypes.WinError() # Note: WinError is a function
elif len == size:
raise ctypes.WinError(_ERROR_INSUFFICIENT_BUFFER)
return buf.value