1 /*- 2 * Copyright (c) 2010 by Peter Jeremy <peterjeremy@acm.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 18 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 22 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 23 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 /*---------------------------------------------------------------------------- 29 | One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 30 *----------------------------------------------------------------------------*/ 31 #define BIGENDIAN 32 33 /*---------------------------------------------------------------------------- 34 | The macro `BITS64' can be defined to indicate that 64-bit integer types are 35 | supported by the compiler. 36 *----------------------------------------------------------------------------*/ 37 #define BITS64 38 39 /*---------------------------------------------------------------------------- 40 | Each of the following `typedef's defines the most convenient type that holds 41 | integers of at least as many bits as specified. For example, `uint8' should 42 | be the most convenient type that can hold unsigned integers of as many as 43 | 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 44 | implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 45 | to the same as `int'. 46 *----------------------------------------------------------------------------*/ 47 typedef int flag; 48 typedef int uint8; 49 typedef int int8; 50 typedef int uint16; 51 typedef int int16; 52 typedef unsigned int uint32; 53 typedef signed int int32; 54 #ifdef BITS64 55 typedef unsigned long int uint64; 56 typedef signed long int int64; 57 #endif 58 59 /*---------------------------------------------------------------------------- 60 | Each of the following `typedef's defines a type that holds integers 61 | of _exactly_ the number of bits specified. For instance, for most 62 | implementation of C, `bits16' and `sbits16' should be `typedef'ed to 63 | `unsigned short int' and `signed short int' (or `short int'), respectively. 64 *----------------------------------------------------------------------------*/ 65 typedef unsigned char bits8; 66 typedef signed char sbits8; 67 typedef unsigned short int bits16; 68 typedef signed short int sbits16; 69 typedef unsigned int bits32; 70 typedef signed int sbits32; 71 #ifdef BITS64 72 typedef unsigned long int bits64; 73 typedef signed long int sbits64; 74 #endif 75 76 #ifdef BITS64 77 /*---------------------------------------------------------------------------- 78 | The `LIT64' macro takes as its argument a textual integer literal and 79 | if necessary ``marks'' the literal as having a 64-bit integer type. 80 | For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 81 | appended with the letters `LL' standing for `long long', which is `gcc's 82 | name for the 64-bit integer type. Some compilers may allow `LIT64' to be 83 | defined as the identity macro: `#define LIT64( a ) a'. 84 *----------------------------------------------------------------------------*/ 85 #define LIT64( a ) a##L 86 #endif 87 88 /*---------------------------------------------------------------------------- 89 | The macro `INLINE' can be used before functions that should be inlined. If 90 | a compiler does not support explicit inlining, this macro should be defined 91 | to be `static'. 92 *----------------------------------------------------------------------------*/ 93 #define INLINE extern inline 94