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Reduce String allocations while handling HTTP headers

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This commit is contained in:
Akira Matsuda 2019-08-19 00:02:39 +09:00
parent 934b104fb0
commit c45eaffa27
1 changed files with 3 additions and 2 deletions
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5
actionpack/lib/action_dispatch/http/headers.rb
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@ -121,8 +121,9 @@ module ActionDispatch
def env_name(key)
key = key.to_s
if HTTP_HEADER.match?(key)
key = key.upcase.tr("-", "_")
key = "HTTP_" + key unless CGI_VARIABLES.include?(key)
key = key.upcase
key.tr!("-", "_")
key.prepend("HTTP_") unless CGI_VARIABLES.include?(key)
end
key
end