librsync makes the network-delta functions of the
popular rsync file transfer tool available to
other programs. librsync has a streaming interface
similar to zlib, and is designed to be embedded
into diverse network applications.
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The autoconf configuration has been overhauled and it now compiles and runs on more platforms, including Mac OS X and Win32. Debian package building scripts are now included.
The librsync API has changed to better support embedding into programs that do nonblocking or encrypted IO. There is a new `rdiff' program that allows command-line generation of network deltas and signatures.