176 lines
5.1 KiB
C++
176 lines
5.1 KiB
C++
// This may look like C code, but it is really -*- C++ -*-
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// ------------------------------------------------------------------
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// The Goldware Library
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// Copyright (C) 1990-1999 Odinn Sorensen
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// Copyright (C) 1999-2000 Alexander S. Aganichev
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// ------------------------------------------------------------------
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Library General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This 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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// Library General Public License for more details.
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//
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// You should have received a copy of the GNU Library General Public
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// License along with this program; if not, write to the Free
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// Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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// MA 02111-1307, USA
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// ------------------------------------------------------------------
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// $Id$
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// ------------------------------------------------------------------
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// Basic definitions and types.
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// ------------------------------------------------------------------
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#ifndef __goldall_h
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#define __goldall_h
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// ------------------------------------------------------------------
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#include <cstddef>
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#include <gcmpall.h>
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// ------------------------------------------------------------------
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// Define portability and shorthand notation
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// GCC after 2.95.x have "and", "not", and "or" predefined
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#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 96)
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#ifndef and
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#define not !
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#define and &&
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#define or ||
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#endif
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#endif
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#ifndef true
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#define true 1
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#define false 0
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#endif
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#define NO 0
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#define YES 1
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#define ALWAYS 2
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#define ASK 2
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#define GAUTO 3
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#define MAYBE 4
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#define NUL '\x00' // Common ASCII control codes
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#define BEL '\x07'
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#define BS '\x08'
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#define HT '\x09'
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#define LF '\x0A'
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#define FF '\x0C'
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#define CR '\x0D'
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#define ESC '\x1B'
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#ifdef __UNIX__
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#define NL "\r\n"
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#else
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#define NL "\n"
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#endif
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// ------------------------------------------------------------------
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// Special character constants
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#define CTRL_A '\x01' // FidoNet kludge line char
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#define SOFTCR '\x8D' // "Soft" carriage-return
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// ------------------------------------------------------------------
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// Supplements for the built-in types
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typedef signed char schar;
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typedef unsigned char uchar;
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typedef unsigned short ushort;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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typedef unsigned char byte;
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typedef signed char sbyte;
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typedef unsigned short word;
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typedef signed short sword;
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typedef unsigned long dword;
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typedef signed long sdword;
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// ------------------------------------------------------------------
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// Common function-pointer types
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typedef void (*VfvCP)();
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typedef int (*IfvCP)();
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typedef int (*IfcpCP)(char*);
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// ------------------------------------------------------------------
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// Function pointer for stdlib qsort(), bsearch() compare functions
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typedef int (*StdCmpCP)(const void*, const void*);
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// ------------------------------------------------------------------
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// Utility templates
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template <class T> inline bool in_range(T a, T b, T c) { return (a >= b) and (a <= c); }
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template <class T> inline T absolute(T a) { return a < 0 ? -a : a; }
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template <class T> inline int compare_two(T a, T b) { return a < b ? -1 : a > b ? 1 : 0; }
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template <class T> inline T minimum_of_two(T a, T b) { return __extension__ (a <? b); }
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template <class T> inline T maximum_of_two(T a, T b) { return __extension__ (a >? b); }
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template <class T> inline int zero_or_one(T e) { return e ? 1 : 0; }
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template <class T> inline bool make_bool(T a) { return a ? true : false; }
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// ------------------------------------------------------------------
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// Handy macro for safe casting. Public domain by Bob Stout
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// ------------------------------------------------------------------
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//
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// Example of CAST macro at work
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//
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// union {
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// char ch[4];
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// int i[2];
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// } my_union;
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//
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// long longvar;
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//
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// longvar = (long)my_union; // Illegal cast
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// longvar = CAST(long, my_union); // Legal cast
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//
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// ------------------------------------------------------------------
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#define CAST(new_type,old_object) (*((new_type *)&(old_object)))
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// ------------------------------------------------------------------
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// Get size of structure member
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#define sizeofmember(__struct, __member) sizeof(((__struct*)0)->__member)
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// ------------------------------------------------------------------
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// Legacy defines
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#ifndef AND
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#define NOT !
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#define AND &&
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#define OR ||
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#endif
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#define RngV in_range
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#define AbsV absolute
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#define CmpV compare_two
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#define MinV minimum_of_two
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#define MaxV maximum_of_two
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// ------------------------------------------------------------------
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#endif
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// ------------------------------------------------------------------
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