132 lines
2.9 KiB
C
132 lines
2.9 KiB
C
/* Scumm Tools
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* Copyright (C) 2002-2006 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program 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
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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#ifndef UTIL_H
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#define UTIL_H
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#include <assert.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#if !defined(_MSC_VER)
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#include <unistd.h>
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#endif
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#ifdef WIN32
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#include <io.h>
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#include <process.h>
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#endif
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/*
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* Some useful types
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*/
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typedef unsigned char byte;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned int uint32;
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typedef signed char int8;
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typedef signed short int16;
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typedef signed int int32;
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#if !defined(__cplusplus)
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typedef enum { false = 0, true = 1 } bool;
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/* If your C compiler doesn't support 'inline', please add a check for it. */
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#if defined(_MSC_VER)
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#define inline __inline
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#endif
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#endif
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/*
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* Various utility macros
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*/
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#define ARRAYSIZE(x) ((int)(sizeof(x) / sizeof(x[0])))
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static inline uint32 SWAP_32(uint32 a) {
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return ((a >> 24) & 0xFF) | ((a >> 8) & 0xFF00) | ((a << 8) & 0xFF0000) |
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((a << 24) & 0xFF000000);
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}
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static inline uint16 SWAP_16(uint16 a) {
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return ((a >> 8) & 0xFF) | ((a << 8) & 0xFF00);
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}
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#if defined(SYSTEM_BIG_ENDIAN)
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#define TO_BE_32(a) (a)
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#define TO_BE_16(a) (a)
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#define TO_LE_32(a) SWAP_32(a)
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#define TO_LE_16(a) SWAP_16(a)
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#else
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#define TO_BE_32(a) SWAP_32(a)
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#define TO_BE_16(a) SWAP_16(a)
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#define TO_LE_32(a) (a)
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#define TO_LE_16(a) (a)
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#endif
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#define MKID(a) (((a&0xff) << 8) | ((a >> 8)&0xff))
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#if defined(__GNUC__)
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#define NORETURN_PRE
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#define NORETURN_POST __attribute__((__noreturn__))
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#elif defined(_MSC_VER)
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#define NORETURN_PRE _declspec(noreturn)
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#define NORETURN_POST
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#else
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#define NORETURN_PRE
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#define NORETURN_POST
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* File I/O */
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uint8 readByte(FILE *fp);
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uint16 readUint16BE(FILE *fp);
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uint16 readUint16LE(FILE *fp);
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uint32 readUint32BE(FILE *fp);
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uint32 readUint32LE(FILE *fp);
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void writeByte(FILE *fp, uint8 b);
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void writeUint16BE(FILE *fp, uint16 value);
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void writeUint16LE(FILE *fp, uint16 value);
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void writeUint32BE(FILE *fp, uint32 value);
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void writeUint32LE(FILE *fp, uint32 value);
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uint32 fileSize(FILE *fp);
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/* Misc stuff */
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void NORETURN_PRE error(const char *s, ...) NORETURN_POST;
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void warning(const char *s, ...);
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#if defined(__cplusplus)
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}
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#endif
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#endif
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