#------------------------------------------------------------------------------
-# $File: gnu,v 1.18 2017/03/17 21:35:28 christos Exp $
+# $File: gnu,v 1.19 2018/01/04 01:21:32 christos Exp $
# gnu: file(1) magic for various GNU tools
#
# GNU nlsutils message catalog file format
#
# GNU message catalog (.mo and .gmo files)
+# Update: Joerg Jenderek
+# URL: https://www.gnu.org/software/gettext/manual/html_node/MO-Files.html
+# Reference: ftp://ftp.gnu.org/pub/gnu/gettext/gettext-0.19.8.tar.gz/
+# gettext-0.19.8.1/gettext-runtime/intl/gmo.h
+# Note: maybe call it like "GNU translation gettext machine object"
0 string \336\22\4\225 GNU message catalog (little endian),
->6 leshort x revision %d.
->4 leshort >0 \b%d,
->>8 lelong x %d messages,
->>36 lelong x %d sysdep messages
->4 leshort =0 \b%d,
->>8 lelong x %d messages
+#0 ulelong 0x950412DE GNU-format message catalog data
+# TODO: write lines in such a way that code can also be called for big endian variant
+#>0 use gettext-object
+#0 name gettext-object
+>4 ulelong x revision
+!:mime application/x-gettext-translation
+# mo extension is also used for Easeus Partition Master PE32 executable module
+# like ConvertFatToNTFS.mo
+!:ext gmo/mo
+# only found three revision combinations 0.0 0.1 1.1 as unsigned 32-bit
+# major revision
+>4 ulelong/0xFFff x %u.
+# minor revision
+>4 ulelong&0x0000FFff x \b%u
+>>8 ulelong x \b, %u message
+# plural s
+>>8 ulelong >1 \bs
+# size of hashing table
+#>20 ulelong x \b, %u hash
+#>20 ulelong >1 \bes
+#>24 ulelong x at 0x%x
+# for revsion x.0 offset of table with originals is 1Ch if directly after header
+>4 ulelong&0x0000FFff =0
+>>12 ulelong !0x1C \b, at 0x%x string table
+# but for x.1 table offset i found is 30h. That means directly after bigger header
+>4 ulelong&0x0000FFff >0
+>>12 ulelong !0x30 \b, at 0x%x string table
+# The following variables are only used in .mo files with minor revision >= 1
+# number of system dependent segments
+#>>28 ulelong x \b, %u segment
+#>>28 ulelong >1 \bs
+# offset of table describing system dependent segments
+#>>32 ulelong x at 0x%x
+# number of system dependent strings pairs
+>>36 ulelong x \b, %u sysdep message
+>>36 ulelong >1 \bs
+# offset of table with start offsets of original sysdep strings
+#>>40 ulelong x \b, at 0x%x sysdep strings
+# offset of table with start offsets of translated sysdep strings
+#>>44 ulelong x \b, at 0x%x sysdep translations
+# >>(44.l) ulelong x 0x%x chars
+# >>>&0 ulelong x at 0x%x
+# >>>>(&-4) string x "%s"
+# string table after big header
+#>>48 ubequad x \b, string table 0x%llx
+#
+# 0th string length seems to be always 0
+#>(12.l) ulelong x \b, %u chars
+#>>&0 ulelong x at 0x%x
+# if 1st string length positiv inspect offset and string
+#>(12.l+8) ulelong >0 \b, %u chars
+#>>&0 ulelong x at 0x%x
+# if 2nd string length positiv inspect offset and string
+# >(12.l+16) ulelong >0 \b, %u chars
+# >>&0 ulelong x at 0x%x
+# skip newline byte
+#>>>(&-4) ubyte =0x0A
+#>>>>&0 string x "%s"
+#>>>(&-4) ubyte !0x0A
+#>>>>&-1 string x '%s'
+# offset of table with translation strings
+#>16 ulelong x \b, at 0x%x translation table
+# check translation 0 length and offset
+>(16.l) ulelong >0
+>>&0 ulelong x
+# translation 0 seems to be often Project-Id with name and version
+>>>(&-4) string x \b, %s
+# trans. 1 with bytes >= 1 unlike icoutils-0.31.0\po\en@boldquot.gmo with 1 NL
+>(16.l+8) ulelong >1
+>>&0 ulelong x
+>>>(&-4) ubyte !0x0A
+>>>>&-1 string x '%s'
+# 1 New Line like in tar-1.29\po\de.gmo
+>>>(&-4) ubyte =0x0A
+>>>>&0 ubyte !0x0A
+>>>>>&-1 string x '%s'
+# 2nd New Line like in parted-3.1\po\de.gmo
+>>>>&0 ubyte =0x0A
+>>>>>&0 string x '%s'
0 string \225\4\22\336 GNU message catalog (big endian),
+#0 ubelong 0x950412DE GNU-format message catalog data
+!:mime application/x-gettext-translation
+!:ext gmo/mo
+# TODO: for big endian use same code as for little endian
+#>0 use \^gettext-object
+# DEBUG code
+#>16 ubelong x \b, at 0x%x translation table
+#>(16.L) ubelong x 0x%x chars
+#>>&0 ubelong x at 0x%x
+# unexpected value HERE!
+#>>>(&-4) ubequad x 0x%llx
+#
>4 beshort x revision %d.
>6 beshort >0 \b%d,
>>8 belong x %d messages,
>7 string 02 \b (frcode)
# Files produced by GNU gettext
-0 long 0xDE120495 GNU-format message catalog data
-0 long 0x950412DE GNU-format message catalog data
# gettext message catalogue
0 search/1024 \nmsgid
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