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.luacheckrc @ 10571:cfeb0077c9e9
net.server_epoll: Avoid concatenating buffer with single item
Saves creating a string that'll be identical to buffer[1] anyways, as
well as a C function call. Depending on Lua version and length of the
string, this could be reusing an interned string, but a longer one would
probably be duplicated for no reason.
Having exactly one item in the buffer seems like it would be fairly
common, but I have not done an extensive study. If opportunistic writes
are enabled then it will be even more likely.
This special case could be optimized like this in table.concat but it
does not look like it is.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Sat, 28 Dec 2019 06:18:58 +0100 |
parent | 10527:d59be9befad7 |
child | 10723:144a1ee24a4e |
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cache = true codes = true ignore = { "411/err", "421/err", "411/ok", "421/ok", "211/_ENV", "431/log", } std = "lua53c" max_line_length = 150 read_globals = { "prosody", "import", }; files["prosody"] = { allow_defined_top = true; module = true; } files["prosodyctl"] = { allow_defined_top = true; module = true; }; files["core/"] = { globals = { "prosody.hosts.?", }; } files["util/"] = { -- Ignore unwrapped license text max_comment_line_length = false; } files["plugins/"] = { module = true; allow_defined_top = true; read_globals = { -- Module instance "module.name", "module.host", "module._log", "module.event_handlers", "module.reloading", "module.saved_state", "module.global", "module.path", -- Module API "module.add_extension", "module.add_feature", "module.add_identity", "module.add_item", "module.add_timer", "module.broadcast", "module.context", "module.depends", "module.fire_event", "module.get_directory", "module.get_host", "module.get_host_items", "module.get_host_type", "module.get_name", "module.get_option", "module.get_option_array", "module.get_option_boolean", "module.get_option_inherited_set", "module.get_option_number", "module.get_option_path", "module.get_option_scalar", "module.get_option_set", "module.get_option_string", "module.get_status", "module.handle_items", "module.hook", "module.hook_global", "module.hook_object_event", "module.hook_tag", "module.load_resource", "module.log", "module.log_status", "module.measure", "module.measure_event", "module.measure_global_event", "module.measure_object_event", "module.open_store", "module.provides", "module.remove_item", "module.require", "module.send", "module.send_iq", "module.set_global", "module.set_status", "module.shared", "module.unhook", "module.unhook_object_event", "module.wrap_event", "module.wrap_global", "module.wrap_object_event", -- mod_http API "module.http_url", }; globals = { -- Methods that can be set on module API "module.unload", "module.add_host", "module.load", "module.add_host", "module.save", "module.restore", "module.command", "module.environment", }; } files["spec/"] = { std = "+busted"; globals = { "randomize" }; } files["prosody.cfg.lua"] = { ignore = { "131" }; globals = { "Host", "host", "VirtualHost", "Component", "component", "Include", "include", "RunScript" }; } if os.getenv("PROSODY_STRICT_LINT") ~= "1" then -- These files have not yet been brought up to standard -- Do not add more files here, but do help us fix these! local exclude_files = { "doc/net.server.lua"; "fallbacks/bit.lua"; "fallbacks/lxp.lua"; "net/cqueues.lua"; "net/dns.lua"; "net/server_select.lua"; "plugins/mod_storage_sql1.lua"; "spec/core_moduleapi_spec.lua"; "spec/util_http_spec.lua"; "spec/util_ip_spec.lua"; "spec/util_multitable_spec.lua"; "spec/util_rfc6724_spec.lua"; "spec/util_throttle_spec.lua"; "tools/ejabberd2prosody.lua"; "tools/ejabberdsql2prosody.lua"; "tools/erlparse.lua"; "tools/jabberd14sql2prosody.lua"; "tools/migration/migrator.cfg.lua"; "tools/migration/migrator/jabberd14.lua"; "tools/migration/migrator/mtools.lua"; "tools/migration/migrator/prosody_files.lua"; "tools/migration/migrator/prosody_sql.lua"; "tools/migration/prosody-migrator.lua"; "tools/openfire2prosody.lua"; "tools/xep227toprosody.lua"; "util/sasl/digest-md5.lua"; } for _, file in ipairs(exclude_files) do files[file] = { only = {} } end end