Theodore Ts'o | 5bc5a89 | 2000-02-08 20:20:46 +0000 | [diff] [blame] | 1 | /* Internal header for GNU gettext internationalization functions. |
| 2 | Copyright (C) 1995, 1997 Free Software Foundation, Inc. |
| 3 | |
| 4 | This program is free software; you can redistribute it and/or modify |
| 5 | it under the terms of the GNU General Public License as published by |
| 6 | the Free Software Foundation; either version 2, or (at your option) |
| 7 | any later version. |
| 8 | |
| 9 | This program is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | GNU General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Library General Public |
| 15 | License along with the GNU C Library; see the file COPYING.LIB. If not, |
| 16 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 17 | Boston, MA 02111-1307, USA. */ |
| 18 | |
| 19 | #ifndef _GETTEXT_H |
| 20 | #define _GETTEXT_H 1 |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | |
| 24 | #if HAVE_LIMITS_H || _LIBC |
| 25 | # include <limits.h> |
| 26 | #endif |
| 27 | |
| 28 | /* @@ end of prolog @@ */ |
| 29 | |
| 30 | /* The magic number of the GNU message catalog format. */ |
| 31 | #define _MAGIC 0x950412de |
| 32 | #define _MAGIC_SWAPPED 0xde120495 |
| 33 | |
| 34 | /* Revision number of the currently used .mo (binary) file format. */ |
| 35 | #define MO_REVISION_NUMBER 0 |
| 36 | |
| 37 | /* The following contortions are an attempt to use the C preprocessor |
| 38 | to determine an unsigned integral type that is 32 bits wide. An |
| 39 | alternative approach is to use autoconf's AC_CHECK_SIZEOF macro, but |
| 40 | doing that would require that the configure script compile and *run* |
| 41 | the resulting executable. Locally running cross-compiled executables |
| 42 | is usually not possible. */ |
| 43 | |
| 44 | #if __STDC__ |
| 45 | # define UINT_MAX_32_BITS 4294967295U |
| 46 | #else |
| 47 | # define UINT_MAX_32_BITS 0xFFFFFFFF |
| 48 | #endif |
| 49 | |
| 50 | /* If UINT_MAX isn't defined, assume it's a 32-bit type. |
| 51 | This should be valid for all systems GNU cares about because |
| 52 | that doesn't include 16-bit systems, and only modern systems |
| 53 | (that certainly have <limits.h>) have 64+-bit integral types. */ |
| 54 | |
| 55 | #ifndef UINT_MAX |
| 56 | # define UINT_MAX UINT_MAX_32_BITS |
| 57 | #endif |
| 58 | |
| 59 | #if UINT_MAX == UINT_MAX_32_BITS |
| 60 | typedef unsigned nls_uint32; |
| 61 | #else |
| 62 | # if USHRT_MAX == UINT_MAX_32_BITS |
| 63 | typedef unsigned short nls_uint32; |
| 64 | # else |
| 65 | # if ULONG_MAX == UINT_MAX_32_BITS |
| 66 | typedef unsigned long nls_uint32; |
| 67 | # else |
| 68 | /* The following line is intended to throw an error. Using #error is |
| 69 | not portable enough. */ |
| 70 | "Cannot determine unsigned 32-bit data type." |
| 71 | # endif |
| 72 | # endif |
| 73 | #endif |
| 74 | |
| 75 | |
| 76 | /* Header for binary .mo file format. */ |
| 77 | struct mo_file_header |
| 78 | { |
| 79 | /* The magic number. */ |
| 80 | nls_uint32 magic; |
| 81 | /* The revision number of the file format. */ |
| 82 | nls_uint32 revision; |
| 83 | /* The number of strings pairs. */ |
| 84 | nls_uint32 nstrings; |
| 85 | /* Offset of table with start offsets of original strings. */ |
| 86 | nls_uint32 orig_tab_offset; |
| 87 | /* Offset of table with start offsets of translation strings. */ |
| 88 | nls_uint32 trans_tab_offset; |
| 89 | /* Size of hashing table. */ |
| 90 | nls_uint32 hash_tab_size; |
| 91 | /* Offset of first hashing entry. */ |
| 92 | nls_uint32 hash_tab_offset; |
| 93 | }; |
| 94 | |
| 95 | struct string_desc |
| 96 | { |
| 97 | /* Length of addressed string. */ |
| 98 | nls_uint32 length; |
| 99 | /* Offset of string in file. */ |
| 100 | nls_uint32 offset; |
| 101 | }; |
| 102 | |
| 103 | /* @@ begin of epilog @@ */ |
| 104 | |
| 105 | #endif /* gettext.h */ |