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9430ca6865
The EncIn, EncOut, ClearIn & ClearOut functions are victims of some code
copy + pasting. A common line copied to all of them is:
`if (off >= buffer_length) { ...`
448e0f43 corrected ClearIn's check from `>=` to `>`, but left the others
unchanged (with an incorrect bounds check). However, if you look down at
the next very next bounds check you'll see:
`if (off + len > buffer_length) { ...`
So the check is actually obviated by the next line, and should be
removed.
This fixes an issue where writing a zero-length buffer to an encrypted
pair's *encrypted* stream you would get a crash.
Evented I/O for V8 javascript. 
To build:
Prerequisites (Unix only):
* Python 2.6 or 2.7
* GNU Make 3.81 or newer
* libexecinfo (FreeBSD and OpenBSD only)
Unix/Macintosh:
./configure
make
make install
If your python binary is in a non-standard location or has a non-standard name, run the following instead:
export PYTHON=/path/to/python
$PYTHON ./configure
make
make install
Windows:
vcbuild.bat
To run the tests:
Unix/Macintosh:
make test
Windows:
vcbuild.bat test
To build the documentation:
make doc
To read the documentation:
man doc/node.1