nudefs.h

/*
 * nudefs.h - system-dependent typdefs, and global #defines and variables.
 *
 * NuLib v3.2  March 1992  Freeware (distribute, don't sell)
 * By Andy McFadden (fadden@uts.amdahl.com)
 */
/*
 * IMPORTANT: This file must be first on the list of #includes, since some
 *	      include files will be processed based on these #defines
 */

/* SYSTEM DEPENDENCIES */
#include <bits/types.h>
#if __WORDSIZE == 64
typedef unsigned char onebyt;
typedef unsigned short int twobyt;
typedef unsigned int fourbyt;
#else
typedef unsigned char onebyt;
typedef unsigned short twobyt;
typedef unsigned long fourbyt;
#endif

/* byte ordering; TRUE if high byte is first (68xxx), else FALSE (65xxx) */
extern int HiLo; /* actually part of numain.c */

/* Setup for LINUX machines */
#define UNIX
#define SYSV
#define NO_RENAME

/* Setup for Apple //gs APW */
/* [ "APW" is automatically defined by the compiler ] */

/* Setup for MS-DOS machines (80xxx based: IBM PC) */
/* #ifndef MSDOS */
/* #define MSDOS */
/* #endif */

/* Setup for AIX */
/* #define SYSV */
/* #define BSD_INCLUDES */

/* Setup for BSD UNIX systems */
/*#define UNIX*/
/*#define BSD43*/

/* Setup for the NeXT */
/* #define UNIX */
/* #define BSD43 */
/* #define NeXT */ /* (is this defined automatically?) */

/* Setup for XENIX/386 */
/* NOTE: if you get error messages about readdir() and opendir() during */
/*	 linking, remove the leading '#' from the line "#CLIBS= -lx" in */
/*	 "Makefile"							*/
/* #define XENIX386 */
/* #define UNIX */
/* #define SYSV */
/* #define NO_RENAME */ /* no rename() call in C library */

/* Setup for Amdahl UTS 2.1; also works on the AT&T 3B2 */
/* #define UNIX */
/* #define SYSV */
/* #define NO_RENAME */
/* (UTS only:) */
/* #define HAS_EFT */ /*(don't forget to add "-eft" flag in Makefile for
                         UTS 2.1)*/

/* Setup for AOS/VS @ DG */
/* #define UNIX */
/* #define DATAGENERAL */
/* #define AOSVS */

/* Setup for AViiONs */
/* #define UNIX */
/* #define SYSV */
/* #define HAS_EFT */

/* Setup for other UNIX systems */
/* #define UNIX */
/* #define SYSV (or whatever) */

/* use table lookups to get CRCs */
#define CRC_TAB

/* don't include Binary II */
/* #define NO_BLU */

/* don't include UNIX compress */
/* #define NO_UCOMP */

#ifdef UNIX
/* (the #include setup for NuLib is pretty screwed up at this point...) */
#include <sys/types.h> /* need off_t, if it exists */

/*
 * With EFT, off_t is a longlong (8 bytes) and mode_t is four bytes (ulong).
 * They affect lseek() and open() calls.  Without EFT, off_t is usually
 * four bytes, and mode_t is a short or an int.
 *
 * I'm not sure which systems don't have off_t or mode_t.  BSD seems to have
 * off_t, but not mode_t; this'll have to be handled on a case-by-case basis.
 * Unfortunately #ifdefs don't pick up typedefs on all compilers...
 */
#ifndef HAS_EFT
/*typedef long off_t;*/
/*typedef unsigned short mode_t;*/
#endif

#else
#ifndef HAS_EFT
/* APW and MS-DOS should be the same */
typedef long off_t;
typedef unsigned int mode_t;
#endif
#endif

extern off_t lseek(); /*VERY important if lseek() doesn't return int*/

/*
 * The rest of this stuff shouldn't need to be changed
 */

/*
 * Some global defs
 */

/* errno wasn't defined in <errno.h> on some systems... */
#ifndef MSDOS
extern int errno;
#endif

/* Maximum file name length that we intend to handle (watch stack size!) */
#define MAXFILENAME 1024

/* file operations */
#define S_ABS 0 /* seek absolute */
#define S_REL 1 /* seek relative */
#define S_END 2 /* seek from end */

#ifdef UNIX         /* stuff for open() */
#define WPERMS 0644 /* read/write for owner, read only for others */
#define FREAD_STR "r"
#define FWRITE_STR "w"
#define O_BINARY 0 /* for non-UNIX open(); easier than #ifdefs */
#else
#ifdef APW
#define WPERMS 0666 /* read/write for all; this may not work for some */
#define FREAD_STR "rb"
#define FWRITE_STR "wb"
#endif
#ifdef MSDOS
#define S_IREAD 0000400  /* read permission, owner */
#define S_IWRITE 0000200 /* write permission, owner */
#define WPERMS S_IREAD | S_IWRITE
#define FREAD_STR "rb"
#define FWRITE_STR "wb"
#endif
#ifndef WPERMS      /* other system */
#define WPERMS 0666 /* +PORT+ */
#define FREAD_STR "rb"
#define FWRITE_STR "wb"
#endif
#endif /*UNIX*/

/* Time structure; same as TimeRec from misctool.h */
/* one-byte entries should not have alignment problems... */
typedef struct {
  onebyt second;
  onebyt minute;
  onebyt hour;
  onebyt year;
  onebyt day;
  onebyt month;
  onebyt extra;
  onebyt weekDay;
} Time;

/*
 * global to entire program
 */
extern int HiLo;       /* byte ordering; FALSE on low-first (65816) */
extern int verbose;    /* BOOLEAN: print verbose? */
extern int interact;   /* BOOLEAN: interactive when overwriting? */
extern int dopack;     /* BOOLEAN: do we want to pack/unpack? */
extern int doSubdir;   /* BOOLEAN: expand subdirectories? */
extern int doExpand;   /* BOOLEAN: expand archived filenames? */
extern int doMessages; /* BOOLEAN: do comments instead of data? */
extern int transfrom;  /* how to do CR<->LF translation?  (-1 = none) */
extern int transto;
extern int packMethod;      /* how to pack a file (thread_format) */
extern int diskData;        /* BOOLEAN: store files as disk images */
extern fourbyt defFileType; /* default file type */
extern fourbyt defAuxType;  /* default aux type */
extern onebyt *pakbuf;      /* used by compression routines; created once to */
/* eliminate overhead involved in malloc()ing a 64K buffer */
extern char *prgName; /* for errors; don't like argv[0] */