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150 lines
4.7 KiB
C
150 lines
4.7 KiB
C
/* Internal header for GNU gettext internationalization functions.
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Copyright (C) 1995, 1997, 2000-2002, 2004 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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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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#define MO_REVISION_NUMBER_WITH_SYSDEP_I 1
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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 or 1. */
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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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