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814889c28a
The whole code relies on performing case-insensitive comparison on lookups, which is extremely inefficient. Let's make sure that all labels to be looked up or sent are first converted to lower case. Doing so is also the opportunity to eliminate an inefficient memcpy() in resolv_dn_label_to_str() that essentially runs over a few unaligned bytes at once. As a side note, that call was dangerous because it relied on a sign-extended size taken from a string that had to be sanitized first. This is tagged medium because while this is 100% safe, it may cause visible changes on the wire at the packet level and trigger bugs in test programs.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)