include/id3/sized_types.h Source File

00001 // -*- C++ -*-
00002 /* $Id: sized_types.h,v 1.6 2000/10/23 04:32:33 eldamitri Exp $
00003 
00004  * id3lib: a C++ library for creating and manipulating id3v1/v2 tags Copyright
00005  * 1999, 2000 Scott Thomas Haug
00006 
00007  * This library is free software; you can redistribute it and/or modify it
00008  * under the terms of the GNU Library General Public License as published by
00009  * the Free Software Foundation; either version 2 of the License, or (at your
00010  * option) any later version.
00011  * 
00012  * This library is distributed in the hope that it will be useful, but WITHOUT
00013  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00014  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
00015  * License for more details.
00016  * 
00017  * You should have received a copy of the GNU Library General Public License
00018  * along with this library; if not, write to the Free Software Foundation,
00019  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00020 
00021  * The id3lib authors encourage improvements and optimisations to be sent to
00022  * the id3lib coordinator.  Please see the README file for details on where to
00023  * send such submissions.  See the AUTHORS file for a list of people who have
00024  * contributed to id3lib.  See the ChangeLog file for a list of changes to
00025  * id3lib.  These files are distributed with id3lib at
00026  * http://download.sourceforge.net/id3lib/ 
00027  */
00028 
00034 #ifndef _SIZED_TYPES_H_
00035 #define _SIZED_TYPES_H_ 
00036 
00037 #include <limits.h>
00038 
00039 /* define our datatypes */
00040 
00041 /* Define 8-bit types */
00042 #if UCHAR_MAX == 0xff
00043 
00044 typedef unsigned char   uint8;
00045 typedef signed char      int8;
00046 
00047 #else
00048 #error This machine has no 8-bit type
00049 #endif /* UCHAR_MAX == 0xff */
00050 
00051 /* Define 16-bit types */
00052 #if UINT_MAX == 0xffff
00053 
00054 typedef unsigned int    uint16;
00055 typedef int              int16;
00056 
00057 #elif USHRT_MAX == 0xffff
00058 
00059 typedef unsigned short  uint16;
00060 typedef short            int16;
00061 
00062 #else
00063 #error This machine has no 16-bit type
00064 #endif /* UINT_MAX == 0xffff */
00065 
00066 /* Define 32-bit types */
00067 #if UINT_MAX == 0xfffffffful
00068 
00069 typedef unsigned int    uint32;
00070 typedef int              int32;
00071 
00072 #elif ULONG_MAX == 0xfffffffful
00073 
00074 typedef unsigned long   uint32;
00075 typedef long             int32;
00076 
00077 #elif USHRT_MAX == 0xfffffffful
00078 
00079 typedef unsigned short  uint32;
00080 typedef short            int32;
00081 
00082 #else
00083 #error This machine has no 32-bit type
00084 #endif /* UINT_MAX == 0xfffffffful */
00085 
00086 #endif /* _SIZED_TYPES_H_ */
00087