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unzip-6.0/vms/vms.h  view on Meta::CPAN

/*
  Copyright (c) 1990-2009 Info-ZIP.  All rights reserved.

  See the accompanying file LICENSE, version 2009-Jan-02 or later
  (the contents of which are also included in zip.h) for terms of use.
  If, for some reason, all these files are missing, the Info-ZIP license
  also may be found at:  ftp://ftp.info-zip.org/pub/infozip/license.html
*/
/*---------------------------------------------------------------------------

  vms.h

  Generic VMS header file for Info-ZIP's Zip and UnZip.

  ---------------------------------------------------------------------------*/

#ifndef __vms_h
#define __vms_h 1

#ifndef __DESCRIP_LOADED
#include <descrip.h>
#endif
#ifndef __STARLET_LOADED
/* Workaround for broken header files of older DECC distributions
 * that are incompatible with the /NAMES=AS_IS qualifier. */
#define sys$assign SYS$ASSIGN
#define sys$bintim SYS$BINTIM
#define sys$close SYS$CLOSE
#define sys$connect SYS$CONNECT
#define sys$create SYS$CREATE
#define sys$dassgn SYS$DASSGN
#define sys$extend SYS$EXTEND
#define sys$getjpiw SYS$GETJPIW
#define sys$numtim SYS$NUMTIM
#define sys$open SYS$OPEN
#define sys$parse SYS$PARSE
#define sys$put SYS$PUT
#define sys$qio SYS$QIO
#define sys$qiow SYS$QIOW
#define sys$read SYS$READ
#define sys$rewind SYS$REWIND
#define sys$search SYS$SEARCH
#define sys$setdfprot SYS$SETDFPROT
#define sys$synch SYS$SYNCH
#define sys$wait SYS$WAIT
#define sys$write SYS$WRITE
#include <starlet.h>
#endif /* ndef __STARLET_LOADED */
#ifndef __SYIDEF_LOADED
#include <syidef.h>
#endif
#ifndef __ATRDEF_LOADED
#include <atrdef.h>
#endif
#ifndef __FIBDEF_LOADED
#include <fibdef.h>
#endif
#ifndef __IODEF_LOADED
#include <iodef.h>
#endif
#if !defined(_RMS_H) && !defined(__RMS_LOADED)
#include <rms.h>
#endif

#define ERR(s) !((s) & 1)       /* VMS system error */

#ifndef SYI$_VERSION
#define SYI$_VERSION 4096       /* VMS 5.4 definition */
#endif

/*
 *  Under Alpha (DEC C in VAXC mode) and under `good old' VAXC, the FIB unions
 *  are declared as variant_unions.  DEC C (Alpha) in ANSI modes and third
 *  party compilers which do not support `variant_union' define preprocessor
 *  symbols to `hide' the "intermediate union/struct" names from the
 *  programmer's API.
 *  We check the presence of these defines and for DEC's FIBDEF.H defining
 *  __union as variant_union to make sure we access the structure correctly.
 */
#define variant_union 1
#if defined(fib$w_did) || (defined(__union) && (__union == variant_union))
#  define FIB$W_DID     fib$w_did
#  define FIB$W_FID     fib$w_fid
#  define FIB$L_ACCTL   fib$l_acctl
#  define FIB$W_EXCTL   fib$w_exctl
#  define FIB$W_NMCTL   fib$w_nmctl
#else
#  define FIB$W_DID     fib$r_did_overlay.fib$w_did
#  define FIB$W_FID     fib$r_fid_overlay.fib$w_fid
#  define FIB$L_ACCTL   fib$r_acctl_overlay.fib$l_acctl
#  define FIB$W_EXCTL   fib$r_exctl_overlay.fib$w_exctl
#  define FIB$W_NMCTL   fib$r_nmctl_overlay.fib$w_nmctl
#endif
#undef variant_union


/* 2005-02-10 SMS.  Copied NAM[L] macros here from Zip. */