/* $Id: os.h,v 1.1 1992/09/06 19:31:32 mike Exp $ */

/* $Log: os.h,v $
 * Revision 1.1  1992/09/06  19:31:32  mike
 * Initial revision
 *
 */

/* 
 * os.h : machine and OS specific stuff
 * Craig Durland	Public Domain
 */


#ifndef __OS_H_INCLUDED
#define __OS_H_INCLUDED

/* ***************************************************************** */
/* ************** OS Types ***************************************** */
/* ***************************************************************** */

#define AMIGA		0	/* AmigaDOS !NOT SUPPORTED! */
#define ATARI		1	/* AtariST/TT TOS or MiNT */

#define MSDOZ		0	/* MS-DOS */

   /* Various Un*x flavors.
    * Note:  Some systems are mixes.  HP-UX is a mix of bsd and SysV.  Newer
    *   DEC systems have Posix stuff in them.  This can make writing
    *   portable code a real pain in the butt.  Pick the best match(es) and
    *   hope.
    */
#define V7_OS		0	/* V7 UN*X or Coherent */
#define BSD_OS		0	/* Sun, DEC, Apollo bsd4.3, ... */
#define SYSV_OS		0	/* HP-UX, IBM, Apollo SysV, ... */
#define POSIX_OS	0	/* Posix compliant: osf */	

#define UX_OS	(V7_OS || BSD_OS || SYSV_OS || POSIX_OS)

#define DOMAIN_OS	0	/* If you have an Apollo, set this also */
#define AIX_OS		0	/* If you have IBM AIX, set this also */

/* ***************************************************************** */
/* ************** Machine & CPU ************************************ */
/* ***************************************************************** */

typedef unsigned char      uint8;	/* byte */
typedef unsigned short int uint16;	/* 2 bytes */
typedef short int	    int16;	/* 16 bit int */
typedef long  int	    int32;	/* 32 bit int */


#if MSDOZ || (ATARI && defined(__MSHORT__))
    /* Atarist only when -mshort */
    /* Systems with 2 byte "int"s and 4 byte "long int"s */
#define INTDIGITS	 6	/* 2 bytes worth + sign */
#define LONGDIGITS	11	/* 4 bytes worth + sign */
#else		/* 4 byte "int"s and "long int"s */
#define INTDIGITS	11	/* 4 bytes worth + sign */
#define LONGDIGITS	11	/* 4 bytes worth + sign */
#endif

/* ***************************************************************** */
/* ************** directry related stuff *************************** */
/* ***************************************************************** */

#define M_SLASH '\\'	/* file seperator for MS-DOS */
#define U_SLASH '/'	/* file seperator for UN*X */

#if MSDOZ || ATARI
#define ISSLASH(c) ((c) == U_SLASH || (c) == M_SLASH)
#else
#define ISSLASH(c) ((c) == U_SLASH)
#endif

#if MSDOZ
	/* File attributes */
	/* Note: attribute == 0 => normal file */
#define FA_RD_ONLY   0x01	/* read only */
#define FA_HIDDEN    0x02	/* hidden */
#define FA_SYSTEM    0x04	/* system */
#define FA_VOLUME    0x08	/* volume */
#define FA_DIRECTORY 0x10	/* directory */
#define FA_ARCHIVE   0x20	/* archive */
#define FA_Z	     0x80	/* my fake bit to match attr == 0 */
#endif

#endif /* __OS_H_INCLUDED */