Sha256: 89dac3b970aaa7dae791567b7a85f4d9447cbe73f502d9f9060e5e27e7e71898
Contents?: true
Size: 981 Bytes
Versions: 6
Compression:
Stored size: 981 Bytes
Contents
# frozen_string_literal: true
require 'ffi'
module Facter
module Freebsd
module FfiHelper
module Libc
extend FFI::Library
ffi_lib 'c'
attach_function :sysctlbyname, %i[string pointer pointer pointer size_t], :int
end
def self.sysctl_by_name(type, name)
oldp = FFI::Pointer::NULL
oldlenp = FFI::MemoryPointer.new(:size_t)
newp = FFI::Pointer::NULL
newlenp = 0
if type == :string
res = Libc.sysctlbyname(name, oldp, oldlenp, newp, newlenp)
return nil if res.negative?
else
oldlenp.write(:size_t, FFI.type_size(type))
end
oldp = FFI::MemoryPointer.new(:uint8_t, oldlenp.read(:size_t))
res = Libc.sysctlbyname(name, oldp, oldlenp, newp, newlenp)
return nil if res.negative?
case type
when :string
oldp.read_string
else
oldp.read(type)
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems