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148 lines
4.7 KiB
148 lines
4.7 KiB
/* Description of GNU message catalog format: general file layout. |
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Copyright (C) 1995, 1997, 2000-2002 Free Software Foundation, Inc. |
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This program is free software; you can redistribute it and/or modify it |
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under the terms of the GNU Library General Public License as published |
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by the Free Software Foundation; either version 2, or (at your option) |
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any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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Library General Public License for more details. |
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You should have received a copy of the GNU Library General Public |
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License along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, |
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USA. */ |
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#ifndef _GETTEXT_H |
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#define _GETTEXT_H 1 |
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#include <limits.h> |
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/* @@ end of prolog @@ */ |
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/* The magic number of the GNU message catalog format. */ |
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#define _MAGIC 0x950412de |
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#define _MAGIC_SWAPPED 0xde120495 |
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/* Revision number of the currently used .mo (binary) file format. */ |
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#define MO_REVISION_NUMBER 0 |
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/* The following contortions are an attempt to use the C preprocessor |
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to determine an unsigned integral type that is 32 bits wide. An |
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alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but |
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as of version autoconf-2.13, the AC_CHECK_SIZEOF macro doesn't work |
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when cross-compiling. */ |
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#if __STDC__ |
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# define UINT_MAX_32_BITS 4294967295U |
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#else |
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# define UINT_MAX_32_BITS 0xFFFFFFFF |
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#endif |
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/* If UINT_MAX isn't defined, assume it's a 32-bit type. |
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This should be valid for all systems GNU cares about because |
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that doesn't include 16-bit systems, and only modern systems |
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(that certainly have <limits.h>) have 64+-bit integral types. */ |
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#ifndef UINT_MAX |
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# define UINT_MAX UINT_MAX_32_BITS |
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#endif |
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#if UINT_MAX == UINT_MAX_32_BITS |
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typedef unsigned nls_uint32; |
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#else |
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# if USHRT_MAX == UINT_MAX_32_BITS |
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typedef unsigned short nls_uint32; |
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# else |
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# if ULONG_MAX == UINT_MAX_32_BITS |
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typedef unsigned long nls_uint32; |
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# else |
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/* The following line is intended to throw an error. Using #error is |
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not portable enough. */ |
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"Cannot determine unsigned 32-bit data type." |
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# endif |
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# endif |
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#endif |
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/* Header for binary .mo file format. */ |
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struct mo_file_header |
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{ |
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/* The magic number. */ |
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nls_uint32 magic; |
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/* The revision number of the file format. */ |
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nls_uint32 revision; |
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/* The following are only used in .mo files with major revision 0. */ |
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/* The number of strings pairs. */ |
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nls_uint32 nstrings; |
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/* Offset of table with start offsets of original strings. */ |
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nls_uint32 orig_tab_offset; |
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/* Offset of table with start offsets of translated strings. */ |
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nls_uint32 trans_tab_offset; |
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/* Size of hash table. */ |
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nls_uint32 hash_tab_size; |
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/* Offset of first hash table entry. */ |
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nls_uint32 hash_tab_offset; |
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/* The following are only used in .mo files with minor revision >= 1. */ |
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/* The number of system dependent segments. */ |
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nls_uint32 n_sysdep_segments; |
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/* Offset of table describing system dependent segments. */ |
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nls_uint32 sysdep_segments_offset; |
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/* The number of system dependent strings pairs. */ |
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nls_uint32 n_sysdep_strings; |
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/* Offset of table with start offsets of original sysdep strings. */ |
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nls_uint32 orig_sysdep_tab_offset; |
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/* Offset of table with start offsets of translated sysdep strings. */ |
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nls_uint32 trans_sysdep_tab_offset; |
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}; |
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/* Descriptor for static string contained in the binary .mo file. */ |
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struct string_desc |
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{ |
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/* Length of addressed string, not including the trailing NUL. */ |
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nls_uint32 length; |
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/* Offset of string in file. */ |
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nls_uint32 offset; |
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}; |
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/* The following are only used in .mo files with minor revision >= 1. */ |
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/* Descriptor for system dependent string segment. */ |
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struct sysdep_segment |
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{ |
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/* Length of addressed string, including the trailing NUL. */ |
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nls_uint32 length; |
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/* Offset of string in file. */ |
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nls_uint32 offset; |
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}; |
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/* Descriptor for system dependent string. */ |
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struct sysdep_string |
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{ |
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/* Offset of static string segments in file. */ |
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nls_uint32 offset; |
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/* Alternating sequence of static and system dependent segments. |
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The last segment is a static segment, including the trailing NUL. */ |
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struct segment_pair |
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{ |
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/* Size of static segment. */ |
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nls_uint32 segsize; |
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/* Reference to system dependent string segment, or ~0 at the end. */ |
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nls_uint32 sysdepref; |
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} segments[1]; |
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}; |
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/* Marker for the end of the segments[] array. This has the value 0xFFFFFFFF, |
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regardless whether 'int' is 16 bit, 32 bit, or 64 bit. */ |
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#define SEGMENTS_END ((nls_uint32) ~0) |
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/* @@ begin of epilog @@ */ |
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#endif /* gettext.h */
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