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Versions: 63
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Contents
require 'facter/util/windows'
require 'ffi'
module Facter::Util::Windows::Dir
extend FFI::Library
COMMON_APPDATA = 0x0023
S_OK = 0x0
MAX_PATH = 260;
def get_common_appdata
common_appdata = ''
# this pointer actually points to a :lpwstr (pointer) since we're letting Windows allocate for us
FFI::MemoryPointer.new(:pointer, ((MAX_PATH + 1) * 2)) do |buffer_ptr|
# hwndOwner, nFolder, hToken, dwFlags, pszPath
if SHGetFolderPathW(0, COMMON_APPDATA, 0, 0, buffer_ptr) != S_OK
raise Facter::Util::Windows::Error.new("Could not find COMMON_APPDATA path")
end
common_appdata = Facter::Util::Windows::FFI.read_arbitrary_wide_string_up_to(buffer_ptr, MAX_PATH + 1)
end
common_appdata
end
module_function :get_common_appdata
private
ffi_convention :stdcall
# https://msdn.microsoft.com/en-us/library/windows/desktop/bb762181(v=vs.85).aspx
# HRESULT SHGetFolderPath(
# _In_ HWND hwndOwner,
# _In_ int nFolder,
# _In_ HANDLE hToken,
# _In_ DWORD dwFlags,
# _Out_ LPTSTR pszPath
# );
ffi_lib :shell32
attach_function :SHGetFolderPathW,
[:handle, :int32, :handle, :dword, :lpwstr], :hresult
end
Version data entries
63 entries across 63 versions & 2 rubygems