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#
# Copyright:: Copyright 2015-2019, Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require_relative "../../win32/api/registry"
require_relative "../../win32/unicode"
require "win32/registry" unless defined?(Win32::Registry)
module Win32
class Registry
# ::Win32::Registry#export_string is used when enumerating child
# keys and values and re encodes a UTF-16LE to the local codepage.
# This can result in encoding incompatibilities if the native codepage
# does not support the characters in the registry. There is an open bug
# in ruby at https://bugs.ruby-lang.org/issues/11410. Rather than converting
# the UTF-16LE originally returned by the win32 api, we encode to UTF-8
# which will likely not result in any conversion error.
def export_string(str, enc = Encoding.default_internal || "utf-8")
str.encode(enc)
end
module API
extend Chef::ReservedNames::Win32::API::Registry
module_function
# ::Win32::Registry#delete_value uses RegDeleteValue which
# is not an imported function after bug 10820 was solved. So
# we overwrite it to call the correct imported function.
# https://bugs.ruby-lang.org/issues/10820
# Still a bug in trunk as of March 21, 2016 (Ruby 2.3.0)
def DeleteValue(hkey, name)
check RegDeleteValueW(hkey, name.to_wstring)
end
# ::Win32::Registry#delete_key uses RegDeleteKeyW. We need to use
# RegDeleteKeyExW to properly support WOW64 systems.
# Still a bug in trunk as of March 21, 2016 (Ruby 2.3.0)
def DeleteKey(hkey, name)
check RegDeleteKeyExW(hkey, name.to_wstring, 0, 0)
end
end
end
end
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