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Convenience tweaks to FFI::Struct

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This commit is contained in:
Brian Candler
2011-05-08 11:21:58 +01:00
parent c0cb310761
commit 0df9fc6b32
2 changed files with 37 additions and 9 deletions
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10
lib/linux/iptables4.rb
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@@ -7,7 +7,7 @@ module Linux
#+
# struct ipt_getinfo
class IPTGetInfo < FFI::Struct
class IPTGetInfo < FFI::AStruct
layout :name, [:char, IPT_TABLE_MAXNAMELEN],
:valid_hooks, :uint,
:hook_entry, [:uint, NF_INET_NUMHOOKS],
@@ -16,7 +16,7 @@ module Linux
:size, :uint
end
class IPTIP < FFI::Struct
class IPTIP < FFI::AStruct
layout :src, :int32, # FIXME: needs ntohl
:dst, :int32,
:smsk, :int32,
@@ -31,13 +31,13 @@ module Linux
end
# struct xt_counters (netfilter/x_tables.h)
class XTCounters < FFI::Struct
class XTCounters < FFI::AStruct
layout :pcnt, :uint64,
:bcnt, :uint64
end
# struct ipt_entry
class IPTEntry < FFI::Struct
class IPTEntry < FFI::AStruct
layout :ip, IPTIP,
:nfcache, :uint,
:target_offset, :uint16, # size of ipt_entry + matches
@@ -48,7 +48,7 @@ module Linux
end
# struct ipt_get_entries
class IPTGetEntries < FFI::Struct
class IPTGetEntries < FFI::AStruct
layout :name, [:uchar, IPT_TABLE_MAXNAMELEN],
:size, :uint,
:entrytable, [IPTEntry, 1] # should be [IPTEntry, 0]