1 2 /*---------------------------------------------------------------------------- 3 | One of the macros `BIGENDIAN' or `LITTLEENDIAN' must be defined. 4 *----------------------------------------------------------------------------*/ 5 #define LITTLEENDIAN 6 7 /*---------------------------------------------------------------------------- 8 | The macro `BITS64' can be defined to indicate that 64-bit integer types are 9 | supported by the compiler. 10 *----------------------------------------------------------------------------*/ 11 #define BITS64 12 13 /*---------------------------------------------------------------------------- 14 | Each of the following `typedef's defines the most convenient type that holds 15 | integers of at least as many bits as specified. For example, `uint8' should 16 | be the most convenient type that can hold unsigned integers of as many as 17 | 8 bits. The `flag' type must be able to hold either a 0 or 1. For most 18 | implementations of C, `flag', `uint8', and `int8' should all be `typedef'ed 19 | to the same as `int'. 20 *----------------------------------------------------------------------------*/ 21 typedef char flag; 22 typedef unsigned char uint8; 23 typedef signed char int8; 24 typedef int uint16; 25 typedef int int16; 26 typedef unsigned int uint32; 27 typedef signed int int32; 28 #ifdef BITS64 29 typedef unsigned long long int uint64; 30 typedef signed long long int int64; 31 #endif 32 33 /*---------------------------------------------------------------------------- 34 | Each of the following `typedef's defines a type that holds integers 35 | of _exactly_ the number of bits specified. For instance, for most 36 | implementation of C, `bits16' and `sbits16' should be `typedef'ed to 37 | `unsigned short int' and `signed short int' (or `short int'), respectively. 38 *----------------------------------------------------------------------------*/ 39 typedef unsigned char bits8; 40 typedef signed char sbits8; 41 typedef unsigned short int bits16; 42 typedef signed short int sbits16; 43 typedef unsigned int bits32; 44 typedef signed int sbits32; 45 #ifdef BITS64 46 typedef unsigned long long int bits64; 47 typedef signed long long int sbits64; 48 #endif 49 50 #ifdef BITS64 51 /*---------------------------------------------------------------------------- 52 | The `LIT64' macro takes as its argument a textual integer literal and 53 | if necessary ``marks'' the literal as having a 64-bit integer type. 54 | For example, the GNU C Compiler (`gcc') requires that 64-bit literals be 55 | appended with the letters `LL' standing for `long long', which is `gcc's 56 | name for the 64-bit integer type. Some compilers may allow `LIT64' to be 57 | defined as the identity macro: `#define LIT64( a ) a'. 58 *----------------------------------------------------------------------------*/ 59 #define LIT64( a ) a##LL 60 #endif 61 62 /*---------------------------------------------------------------------------- 63 | The macro `INLINE' can be used before functions that should be inlined. If 64 | a compiler does not support explicit inlining, this macro should be defined 65 | to be `static'. 66 *----------------------------------------------------------------------------*/ 67 #define INLINE extern inline 68 69