[p5sagit/p5-mst-13.2.git] / vms / vmsish.h

/*  vmsish.h
 *
 * VMS-specific C header file for perl5.
 *
 * Last revised: 01-Oct-1995 by Charles Bailey  bailey@genetics.upenn.edu
 * Version: 5.1.6
 */

#ifndef __vmsish_h_included
#define __vmsish_h_included

#include <descrip.h> /* for dirent struct definitions */
#include <libdef.h>  /* status codes for various places */
#include <rmsdef.h>  /* at which errno and vaxc$errno are */
#include <ssdef.h>   /* explicitly set in the perl source code */

/* Suppress compiler warnings from DECC for VMS-specific extensions:
 * GLOBALEXT, NOSHAREEXT: global[dr]ef declarations
 * ADDRCONSTEXT: initialization of data with non-constant values
 *               (e.g. pointer fields of descriptors)
 */
#ifdef __DECC
#  pragma message disable (GLOBALEXT,NOSHAREEXT,ADDRCONSTEXT)
#endif

/* Suppress compiler warnings from DECC for VMS-specific extensions:
 * GLOBALEXT, NOSHAREEXT: global[dr]ef declarations
 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
 *                            (e.g. pointer fields of descriptors)
 */
#ifdef __DECC
#  pragma message disable (GLOBALEXT,NOSHAREEXT,ADDRCONSTEXT,NEEDCONSTEXT)
#endif

/* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
#ifdef _toupper
#  undef _toupper
#endif
#define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040)
#ifdef _tolower
#  undef _tolower
#endif
#define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040)
/* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this
 * can go away once DECC 1.3 isn't in use any more. */
#if defined(__ALPHA) && defined(__DECC)
#undef abs
#define abs(__x)        __ABS(__x)
#undef labs
#define labs(__x)        __LABS(__x)
#endif /* __ALPHA && __DECC */

/* Assorted things to look like Unix */
#ifdef __GNUC__
#ifndef _IOLBF /* gcc's stdio.h doesn't define this */
#define _IOLBF 1
#endif
#endif
#include <processes.h> /* for vfork() */
#include <unixio.h>
#include <unixlib.h>
#include <file.h>  /* it's not <sys/file.h>, so don't use I_SYS_FILE */
#define unlink kill_file

/*  The VMS C RTL has vfork() but not fork().  Both actually work in a way
 *  that's somewhere between Unix vfork() and VMS lib$spawn(), so it's
 *  probably not a good idea to use them much.  That said, we'll try to
 *  use vfork() in either case.
 */
#define fork vfork

/* Macros to set errno using the VAX thread-safe calls, if present */
#if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
#  define set_errno(v)      (cma$tis_errno_set_value(v))
#  define set_vaxc_errno(v) (vaxc$errno = (v))
#else
#  define set_errno(v)      (errno = (v))
#  define set_vaxc_errno(v) (vaxc$errno = (v))
#endif

/* Handy way to vet calls to VMS system services and RTL routines. */
#define _ckvmssts(call) do { register unsigned long int __ckvms_sts; \
  if (!((__ckvms_sts=(call))&1)) { \
  set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
  croak("Fatal VMS error (status=%d) at %s, line %d", \
  __ckvms_sts,__FILE__,__LINE__); } } while (0);

#ifdef VMS_DO_SOCKETS
#include "sockadapt.h"
#endif

#define BIT_BUCKET "_NLA0:"
#define PERL_SYS_INIT(c,v)  getredirection((c),(v))
#define HAS_KILL
#define HAS_WAIT

/* VMS:
 *	This symbol, if defined, indicates that the program is running under
 *	VMS.  It's a symbol automagically defined by all VMS C compilers I've seen.
 * Just in case, however . . . */
#ifndef VMS
#define VMS		/**/
#endif

/* HAS_IOCTL:
 *	This symbol, if defined, indicates that the ioctl() routine is
 *	available to set I/O characteristics
 */
#undef	HAS_IOCTL		/**/
 
/* HAS_UTIME:
 *	This symbol, if defined, indicates that the routine utime() is
 *	available to update the access and modification times of files.
 */
#define HAS_UTIME		/**/

/* HAS_GROUP
 *	This symbol, if defined, indicates that the getgrnam(),
 *	getgrgid(), and getgrent() routines are available to 
 *	get group entries.
 */
#undef HAS_GROUP		/**/

/* HAS_PASSWD
 *	This symbol, if defined, indicates that the getpwnam(),
 *	getpwuid(), and getpwent() routines are available to 
 *	get password entries.
 */
#define HAS_PASSWD		/**/

#define HAS_KILL
#define HAS_WAIT
  
/*
 * fwrite1() should be a routine with the same calling sequence as fwrite(),
 * but which outputs all of the bytes requested as a single stream (unlike
 * fwrite() itself, which on some systems outputs several distinct records
 * if the number_of_items parameter is >1).
 */
#define fwrite1 my_fwrite

/* Use our own rmdir() */
#define rmdir(name) do_rmdir(name)

/* Assorted fiddling with sigs . . . */
# include <signal.h>
#define ABORT() abort()

/* Used with our my_utime() routine in vms.c */
struct utimbuf {
  time_t actime;
  time_t modtime;
};
#define utime my_utime

/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS */

struct tms {
  clock_t tms_utime;    /* user time */
  clock_t tms_stime;    /* system time - always 0 on VMS */
  clock_t tms_cutime;   /* user time, children */
  clock_t tms_cstime;   /* system time, children - always 0 on VMS */
};

/* Prior to VMS 7.0, the CRTL gmtime() routine was a stub which always
 * returned NULL.  Substitute our own routine, which uses the logical
 * SYS$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines
 * in VMS 6.0 or later use.*
 */
#define gmtime(t) my_gmtime(t)

/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
 * messages in text strings . . .
 */

#define sys_nerr EVMSERR  /* EVMSERR is as high as we can go. */

/* Look up new %ENV values on the fly */
#define DYNAMIC_ENV_FETCH 1
#define ENV_HV_NAME "%EnV%VmS%"

/* Thin jacket around cuserid() tomatch Unix' calling sequence */
#define getlogin my_getlogin

/* Ditto for sys$hash_passwrod() . . . */
#define crypt  my_crypt

/* Use our own stat() clones, which handle Unix-style directory names */
#define Stat(name,bufptr) flex_stat(name,bufptr)
#define Fstat(fd,bufptr) flex_fstat(fd,bufptr)

/* By default, flush data all the way to disk, not just to RMS buffers */
#define Fflush(fp) ((fflush(fp) || fsync(fileno(fp))) ? EOF : 0)

/* Setup for the dirent routines:
 * opendir(), closedir(), readdir(), seekdir(), telldir(), and
 * vmsreaddirversions(), and preprocessor stuff on which these depend:
 *    Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
 *    This code has no copyright.
 */
    /* Data structure returned by READDIR(). */
struct dirent {
    char	d_name[256];		/* File name		*/
    int		d_namlen;			/* Length of d_name */
    int		vms_verscount;		/* Number of versions	*/
    int		vms_versions[20];	/* Version numbers	*/
};

    /* Handle returned by opendir(), used by the other routines.  You
     * are not supposed to care what's inside this structure. */
typedef struct _dirdesc {
    long			context;
    int				vms_wantversions;
    unsigned long int           count;
    char			*pattern;
    struct dirent		entry;
    struct dsc$descriptor_s	pat;
} DIR;

#define rewinddir(dirp)		seekdir((dirp), 0)

/* used for our emulation of getpw* */
struct passwd {
        char    *pw_name;    /* Username */
        char    *pw_passwd;
        Uid_t   pw_uid;      /* UIC member number */
        Gid_t   pw_gid;      /* UIC group  number */
        char    *pw_comment; /* Default device/directory (Unix-style) */
        char    *pw_gecos;   /* Owner */
        char    *pw_dir;     /* Default device/directory (VMS-style) */
        char    *pw_shell;   /* Default CLI name (eg. DCL) */
};
#define pw_unixdir pw_comment  /* Default device/directory (Unix-style) */
#define getpwnam my_getpwnam
#define getpwuid my_getpwuid
#define getpwent my_getpwent
#define endpwent my_endpwent
#define setpwent my_endpwent

/* Our own stat_t substitute, since we play with st_dev and st_ino -
 * we want atomic types so Unix-bound code which compares these fields
 * for two files will work most of the time under VMS.
 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
 * sizeof(unsigned) + sizeof(unsigned short).  We can't use a union type
 * to map the unsigned int we want and the unsigned short[3] the CRTL
 * returns into the same member, since gcc has different ideas than DECC
 * and VAXC about sizing union types.
 * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the
 * address of a FID.
 */
/* First, grab the system types, so we don't clobber them later */
#include <stat.h>
/* Since we've got to match the size of the CRTL's stat_t, we need
 * to mimic DECC's alignment settings.
 */
#if defined(__DECC) || defined(__DECCXX)
#  pragma __member_alignment __save
#  pragma __nomember_alignment
#endif
#if defined(__DECC) 
#  pragma __message __save
#  pragma __message disable (__MISALGNDSTRCT)
#  pragma __message disable (__MISALGNDMEM)
#endif
struct mystat
{
        char *st_devnam;  /* pointer to device name */
        unsigned st_ino;    /* hack - CRTL uses unsigned short[3] for */
        unsigned short rvn; /* FID (num,seq,rvn) */
        unsigned short st_mode;	/* file "mode" i.e. prot, dir, reg, etc. */
        int	st_nlink;	/* for compatibility - not really used */
        unsigned st_uid;	/* from ACP - QIO uic field */
        unsigned short st_gid;	/* group number extracted from st_uid */
        dev_t   st_rdev;	/* for compatibility - always zero */
        off_t   st_size;	/* file size in bytes */
        unsigned st_atime;	/* file access time; always same as st_mtime */
        unsigned st_mtime;	/* last modification time */
        unsigned st_ctime;	/* file creation time */
        char	st_fab_rfm;	/* record format */
        char	st_fab_rat;	/* record attributes */
        char	st_fab_fsz;	/* fixed header size */
        unsigned st_dev;	/* encoded device name */
};
#define stat mystat
typedef unsigned mydev_t;
#define dev_t mydev_t
typedef unsigned myino_t;
#define ino_t myino_t
#if defined(__DECC) || defined(__DECCXX)
#  pragma __member_alignment __restore
#endif
#if defined(__DECC) 
#  pragma __message __restore
#endif
/* Cons up a 'delete' bit for testing access */
#define S_IDUSR (S_IWUSR | S_IXUSR)
#define S_IDGRP (S_IWGRP | S_IXGRP)
#define S_IDOTH (S_IWOTH | S_IXOTH)

/* Prototypes for functions unique to vms.c.  Don't include replacements
 * for routines in the mainline source files excluded by #ifndef VMS;
 * their prototypes are already in proto.h.
 *
 * In order to keep Gen_ShrFls.Pl happy, functions which are to be made
 * available to images linked to PerlShr.Exe must be declared between the
 * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
 *    <data type><TAB>name<WHITESPACE>_((<prototype args>));
 */
/* prototype section start marker; `typedef' passes through cpp */
typedef char  __VMS_PROTOTYPES__;
int	my_trnlnm _((char *, char *, unsigned long int));
char *	my_getenv _((char *));
char *	my_crypt _((const char *, const char *));
unsigned long int	waitpid _((unsigned long int, int *, int));
char *	my_gconvert _((double, int, int, char *));
int	do_rmdir _((char *));
int	kill_file _((char *));
int	my_utime _((char *, struct utimbuf *));
char *	fileify_dirspec _((char *, char *));
char *	fileify_dirspec_ts _((char *, char *));
char *	pathify_dirspec _((char *, char *));
char *	pathify_dirspec_ts _((char *, char *));
char *	tounixspec _((char *, char *));
char *	tounixspec_ts _((char *, char *));
char *	tovmsspec _((char *, char *));
char *	tovmsspec_ts _((char *, char *));
char *	tounixpath _((char *, char *));
char *	tounixpath_ts _((char *, char *));
char *	tovmspath _((char *, char *));
char *	tovmspath_ts _((char *, char *));
void	getredirection _(());
DIR *	opendir _((char *));
struct dirent *	readdir _((DIR *));
long	telldir _((DIR *));
void	seekdir _((DIR *, long));
void	closedir _((DIR *));
void	vmsreaddirversions _((DIR *, int));
void	getredirection _((int *, char ***));
struct tm *my_gmtime _((const time_t *));
I32	cando_by_name _((I32, I32, char *));
int	flex_fstat _((int, struct stat *));
int	flex_stat _((char *, struct stat *));
int	trim_unixpath _((char *, char*));
bool	vms_do_aexec _((SV *, SV **, SV **));
bool	vms_do_exec _((char *));
unsigned long int	do_aspawn _((SV *, SV **, SV **));
unsigned long int	do_spawn _((char *));
int	my_fwrite _((void *, size_t, size_t, FILE *));
struct passwd *	my_getpwnam _((char *name));
struct passwd *	my_getpwuid _((Uid_t uid));
struct passwd *	my_getpwent _(());
void	my_endpwent _(());
char *	my_getlogin _(());
int	rmscopy _((char *, char *));
void	init_os_extras _(());
typedef char __VMS_SEPYTOTORP__;
/* prototype section end marker; `typedef' passes through cpp */

#ifndef VMS_DO_SOCKETS
/* This relies on tricks in perl.h to pick up that these manifest constants
 * are undefined and set up conversion routines.  It will then redefine
 * these manifest constants, so the actual values will match config.h
 */
#undef HAS_HTONS
#undef HAS_NTOHS
#undef HAS_HTONL
#undef HAS_NTOHL
#endif

#define TMPPATH "sys$scratch:perl-eXXXXXX"

#endif  /* __vmsish_h_included */
Commit	Line	Data
a0d0e21e	1	/* vmsish.h
	2	*
	3	* VMS-specific C header file for perl5.
	4	*
e518068a	5	* Last revised: 01-Oct-1995 by Charles Bailey bailey@genetics.upenn.edu
c07a80fd	6	* Version: 5.1.6
a0d0e21e	7	*/
	8
	9	#ifndef __vmsish_h_included
	10	#define __vmsish_h_included
	11
	12	#include <descrip.h> /* for dirent struct definitions */
748a9306	13	#include <libdef.h> /* status codes for various places */
	14	#include <rmsdef.h> /* at which errno and vaxc$errno are */
	15	#include <ssdef.h> /* explicitly set in the perl source code */
	16
4633a7c4	17	/* Suppress compiler warnings from DECC for VMS-specific extensions:
	18	* GLOBALEXT, NOSHAREEXT: global[dr]ef declarations
	19	* ADDRCONSTEXT: initialization of data with non-constant values
	20	* (e.g. pointer fields of descriptors)
	21	*/
	22	#ifdef __DECC
	23	# pragma message disable (GLOBALEXT,NOSHAREEXT,ADDRCONSTEXT)
	24	#endif
	25
e518068a	26	/* Suppress compiler warnings from DECC for VMS-specific extensions:
	27	* GLOBALEXT, NOSHAREEXT: global[dr]ef declarations
	28	* ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
	29	* (e.g. pointer fields of descriptors)
	30	*/
	31	#ifdef __DECC
	32	# pragma message disable (GLOBALEXT,NOSHAREEXT,ADDRCONSTEXT,NEEDCONSTEXT)
	33	#endif
	34
748a9306	35	/* DEC's C compilers and gcc use incompatible definitions of _to(upp\|low)er() */
	36	#ifdef _toupper
	37	# undef _toupper
	38	#endif
	39	#define _toupper(c) (((c) < 'a' \|\| (c) > 'z') ? (c) : (c) & ~040)
	40	#ifdef _tolower
	41	# undef _tolower
	42	#endif
	43	#define _tolower(c) (((c) < 'A' \|\| (c) > 'Z') ? (c) : (c) \| 040)
4633a7c4	44	/* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this
	45	* can go away once DECC 1.3 isn't in use any more. */
	46	#if defined(__ALPHA) && defined(__DECC)
	47	#undef abs
	48	#define abs(__x) __ABS(__x)
	49	#undef labs
	50	#define labs(__x) __LABS(__x)
	51	#endif /* __ALPHA && __DECC */
a0d0e21e	52
	53	/* Assorted things to look like Unix */
	54	#ifdef __GNUC__
	55	#ifndef _IOLBF /* gcc's stdio.h doesn't define this */
	56	#define _IOLBF 1
	57	#endif
748a9306	58	#endif
a0d0e21e	59	#include <processes.h> /* for vfork() */
a0d0e21e	60	#include <unixio.h>
a0d0e21e	61	#include <unixlib.h>
a0d0e21e	62	#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
748a9306	63	#define unlink kill_file
748a9306	64
e518068a	65	/* The VMS C RTL has vfork() but not fork(). Both actually work in a way
	66	* that's somewhere between Unix vfork() and VMS lib$spawn(), so it's
	67	* probably not a good idea to use them much. That said, we'll try to
	68	* use vfork() in either case.
	69	*/
	70	#define fork vfork
	71
748a9306	72	/* Macros to set errno using the VAX thread-safe calls, if present */
	73	#if (defined(__DECC) \|\| defined(__DECCXX)) && !defined(__ALPHA)
	74	# define set_errno(v) (cma$tis_errno_set_value(v))
	75	# define set_vaxc_errno(v) (vaxc$errno = (v))
	76	#else
	77	# define set_errno(v) (errno = (v))
	78	# define set_vaxc_errno(v) (vaxc$errno = (v))
	79	#endif
	80
	81	/* Handy way to vet calls to VMS system services and RTL routines. */
e518068a	82	#define _ckvmssts(call) do { register unsigned long int __ckvms_sts; \
748a9306	83	if (!((__ckvms_sts=(call))&1)) { \
748a9306	84	set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
e518068a	85	croak("Fatal VMS error (status=%d) at %s, line %d", \
e518068a	86	__ckvms_sts,__FILE__,__LINE__); } } while (0);
a0d0e21e	87
	88	#ifdef VMS_DO_SOCKETS
	89	#include "sockadapt.h"
	90	#endif
	91
c07a80fd	92	#define BIT_BUCKET "_NLA0:"
c07a80fd	93	#define PERL_SYS_INIT(c,v) getredirection((c),(v))
a0d0e21e	94	#define HAS_KILL
	95	#define HAS_WAIT
	96
e518068a	97	/* VMS:
	98	* This symbol, if defined, indicates that the program is running under
	99	* VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
	100	* Just in case, however . . . */
	101	#ifndef VMS
	102	#define VMS /**/
	103	#endif
	104
	105	/* HAS_IOCTL:
	106	* This symbol, if defined, indicates that the ioctl() routine is
	107	* available to set I/O characteristics
a0d0e21e	108	*/
e518068a	109	#undef HAS_IOCTL /**/
	110
	111	/* HAS_UTIME:
	112	* This symbol, if defined, indicates that the routine utime() is
	113	* available to update the access and modification times of files.
	114	*/
	115	#define HAS_UTIME /**/
a0d0e21e	116
e518068a	117	/* HAS_GROUP
	118	* This symbol, if defined, indicates that the getgrnam(),
	119	* getgrgid(), and getgrent() routines are available to
	120	* get group entries.
	121	*/
	122	#undef HAS_GROUP /**/
	123
	124	/* HAS_PASSWD
	125	* This symbol, if defined, indicates that the getpwnam(),
	126	* getpwuid(), and getpwent() routines are available to
	127	* get password entries.
	128	*/
	129	#define HAS_PASSWD /**/
	130
	131	#define HAS_KILL
	132	#define HAS_WAIT
	133
a0d0e21e	134	/*
	135	* fwrite1() should be a routine with the same calling sequence as fwrite(),
	136	* but which outputs all of the bytes requested as a single stream (unlike
	137	* fwrite() itself, which on some systems outputs several distinct records
	138	* if the number_of_items parameter is >1).
	139	*/
	140	#define fwrite1 my_fwrite
	141
	142	/* Use our own rmdir() */
	143	#define rmdir(name) do_rmdir(name)
	144
	145	/* Assorted fiddling with sigs . . . */
	146	# include <signal.h>
	147	#define ABORT() abort()
	148
748a9306	149	/* Used with our my_utime() routine in vms.c */
	150	struct utimbuf {
	151	time_t actime;
	152	time_t modtime;
	153	};
	154	#define utime my_utime
	155
a0d0e21e	156	/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS */
	157
	158	struct tms {
	159	clock_t tms_utime; /* user time */
	160	clock_t tms_stime; /* system time - always 0 on VMS */
	161	clock_t tms_cutime; /* user time, children */
	162	clock_t tms_cstime; /* system time, children - always 0 on VMS */
	163	};
	164
e518068a	165	/* Prior to VMS 7.0, the CRTL gmtime() routine was a stub which always
	166	* returned NULL. Substitute our own routine, which uses the logical
	167	* SYS$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines
	168	* in VMS 6.0 or later use.*
	169	*/
	170	#define gmtime(t) my_gmtime(t)
	171
a0d0e21e	172	/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
	173	* messages in text strings . . .
	174	*/
	175
	176	#define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
	177
	178	/* Look up new %ENV values on the fly */
	179	#define DYNAMIC_ENV_FETCH 1
	180	#define ENV_HV_NAME "%EnV%VmS%"
	181
c07a80fd	182	/* Thin jacket around cuserid() tomatch Unix' calling sequence */
	183	#define getlogin my_getlogin
	184
	185	/* Ditto for sys$hash_passwrod() . . . */
	186	#define crypt my_crypt
	187
a0d0e21e	188	/* Use our own stat() clones, which handle Unix-style directory names */
	189	#define Stat(name,bufptr) flex_stat(name,bufptr)
	190	#define Fstat(fd,bufptr) flex_fstat(fd,bufptr)
	191
a5f75d66	192	/* By default, flush data all the way to disk, not just to RMS buffers */
	193	#define Fflush(fp) ((fflush(fp) \|\| fsync(fileno(fp))) ? EOF : 0)
	194
a0d0e21e	195	/* Setup for the dirent routines:
	196	* opendir(), closedir(), readdir(), seekdir(), telldir(), and
	197	* vmsreaddirversions(), and preprocessor stuff on which these depend:
	198	* Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
	199	* This code has no copyright.
	200	*/
	201	/* Data structure returned by READDIR(). */
	202	struct dirent {
	203	char d_name[256]; /* File name */
	204	int d_namlen; /* Length of d_name */
	205	int vms_verscount; /* Number of versions */
	206	int vms_versions[20]; /* Version numbers */
	207	};
	208
	209	/* Handle returned by opendir(), used by the other routines. You
	210	* are not supposed to care what's inside this structure. */
	211	typedef struct _dirdesc {
	212	long context;
	213	int vms_wantversions;
	214	unsigned long int count;
	215	char *pattern;
	216	struct dirent entry;
	217	struct dsc$descriptor_s pat;
	218	} DIR;
	219
	220	#define rewinddir(dirp) seekdir((dirp), 0)
	221
748a9306	222	/* used for our emulation of getpw* */
	223	struct passwd {
	224	char pw_name; / Username */
	225	char *pw_passwd;
	226	Uid_t pw_uid; /* UIC member number */
	227	Gid_t pw_gid; /* UIC group number */
	228	char pw_comment; / Default device/directory (Unix-style) */
	229	char pw_gecos; / Owner */
	230	char pw_dir; / Default device/directory (VMS-style) */
	231	char pw_shell; / Default CLI name (eg. DCL) */
	232	};
	233	#define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
	234	#define getpwnam my_getpwnam
	235	#define getpwuid my_getpwuid
	236	#define getpwent my_getpwent
	237	#define endpwent my_endpwent
	238	#define setpwent my_endpwent
	239
	240	/* Our own stat_t substitute, since we play with st_dev and st_ino -
	241	* we want atomic types so Unix-bound code which compares these fields
c07a80fd	242	* for two files will work most of the time under VMS.
	243	* N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
	244	* sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
	245	* to map the unsigned int we want and the unsigned short[3] the CRTL
	246	* returns into the same member, since gcc has different ideas than DECC
	247	* and VAXC about sizing union types.
	248	* N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the
	249	* address of a FID.
748a9306	250	*/
	251	/* First, grab the system types, so we don't clobber them later */
	252	#include <stat.h>
	253	/* Since we've got to match the size of the CRTL's stat_t, we need
	254	* to mimic DECC's alignment settings.
	255	*/
	256	#if defined(__DECC) \|\| defined(__DECCXX)
	257	# pragma __member_alignment __save
	258	# pragma __nomember_alignment
	259	#endif
	260	#if defined(__DECC)
	261	# pragma __message __save
	262	# pragma __message disable (__MISALGNDSTRCT)
	263	# pragma __message disable (__MISALGNDMEM)
	264	#endif
	265	struct mystat
	266	{
	267	char st_devnam; / pointer to device name */
c07a80fd	268	unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */
c07a80fd	269	unsigned short rvn; /* FID (num,seq,rvn) */
748a9306	270	unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */
	271	int st_nlink; /* for compatibility - not really used */
	272	unsigned st_uid; /* from ACP - QIO uic field */
	273	unsigned short st_gid; /* group number extracted from st_uid */
	274	dev_t st_rdev; /* for compatibility - always zero */
	275	off_t st_size; /* file size in bytes */
	276	unsigned st_atime; /* file access time; always same as st_mtime */
	277	unsigned st_mtime; /* last modification time */
	278	unsigned st_ctime; /* file creation time */
	279	char st_fab_rfm; /* record format */
	280	char st_fab_rat; /* record attributes */
	281	char st_fab_fsz; /* fixed header size */
	282	unsigned st_dev; /* encoded device name */
	283	};
748a9306	284	#define stat mystat
	285	typedef unsigned mydev_t;
	286	#define dev_t mydev_t
c07a80fd	287	typedef unsigned myino_t;
748a9306	288	#define ino_t myino_t
	289	#if defined(__DECC) \|\| defined(__DECCXX)
	290	# pragma __member_alignment __restore
	291	#endif
	292	#if defined(__DECC)
	293	# pragma __message __restore
	294	#endif
	295	/* Cons up a 'delete' bit for testing access */
	296	#define S_IDUSR (S_IWUSR \| S_IXUSR)
	297	#define S_IDGRP (S_IWGRP \| S_IXGRP)
	298	#define S_IDOTH (S_IWOTH \| S_IXOTH)
a0d0e21e	299
	300	/* Prototypes for functions unique to vms.c. Don't include replacements
	301	* for routines in the mainline source files excluded by #ifndef VMS;
	302	* their prototypes are already in proto.h.
	303	*
	304	* In order to keep Gen_ShrFls.Pl happy, functions which are to be made
	305	* available to images linked to PerlShr.Exe must be declared between the
	306	* __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
	307	* <data type><TAB>name<WHITESPACE>_((<prototype args>));
	308	*/
c07a80fd	309	/* prototype section start marker; `typedef' passes through cpp */
	310	typedef char __VMS_PROTOTYPES__;
	311	int my_trnlnm _((char , char , unsigned long int));
a0d0e21e	312	char * my_getenv _((char *));
c07a80fd	313	char * my_crypt _((const char , const char ));
a0d0e21e	314	unsigned long int waitpid _((unsigned long int, int *, int));
a0d0e21e	315	char * my_gconvert _((double, int, int, char *));
	316	int do_rmdir _((char *));
	317	int kill_file _((char *));
748a9306	318	int my_utime _((char , struct utimbuf ));
a0d0e21e	319	char * fileify_dirspec _((char , char ));
	320	char * fileify_dirspec_ts _((char , char ));
	321	char * pathify_dirspec _((char , char ));
	322	char * pathify_dirspec_ts _((char , char ));
	323	char * tounixspec _((char , char ));
	324	char * tounixspec_ts _((char , char ));
	325	char * tovmsspec _((char , char ));
	326	char * tovmsspec_ts _((char , char ));
	327	char * tounixpath _((char , char ));
	328	char * tounixpath_ts _((char , char ));
	329	char * tovmspath _((char , char ));
	330	char * tovmspath_ts _((char , char ));
	331	void getredirection _(());
	332	DIR * opendir _((char *));
	333	struct dirent * readdir _((DIR *));
	334	long telldir _((DIR *));
	335	void seekdir _((DIR *, long));
	336	void closedir _((DIR *));
	337	void vmsreaddirversions _((DIR *, int));
	338	void getredirection _((int , char **));
e518068a	339	struct tm my_gmtime _((const time_t ));
748a9306	340	I32 cando_by_name _((I32, I32, char *));
	341	int flex_fstat _((int, struct stat *));
	342	int flex_stat _((char , struct stat ));
a0d0e21e	343	int trim_unixpath _((char , char));
748a9306	344	bool vms_do_aexec _((SV , SV , SV *));
a0d0e21e	345	bool vms_do_exec _((char *));
748a9306	346	unsigned long int do_aspawn _((SV , SV , SV *));
a0d0e21e	347	unsigned long int do_spawn _((char *));
a0d0e21e	348	int my_fwrite _((void , size_t, size_t, FILE ));
748a9306	349	struct passwd * my_getpwnam _((char *name));
	350	struct passwd * my_getpwuid _((Uid_t uid));
	351	struct passwd * my_getpwent _(());
	352	void my_endpwent _(());
c07a80fd	353	char * my_getlogin _(());
a5f75d66	354	int rmscopy _((char , char ));
748a9306	355	void init_os_extras _(());
c07a80fd	356	typedef char __VMS_SEPYTOTORP__;
c07a80fd	357	/* prototype section end marker; `typedef' passes through cpp */
a0d0e21e	358
a0d0e21e	359	#ifndef VMS_DO_SOCKETS
748a9306	360	/* This relies on tricks in perl.h to pick up that these manifest constants
	361	* are undefined and set up conversion routines. It will then redefine
	362	* these manifest constants, so the actual values will match config.h
	363	*/
	364	#undef HAS_HTONS
	365	#undef HAS_NTOHS
	366	#undef HAS_HTONL
	367	#undef HAS_NTOHL
a0d0e21e	368	#endif
a0d0e21e	369
482b294c	370	#define TMPPATH "sys$scratch:perl-eXXXXXX"
482b294c	371
a0d0e21e	372	#endif /* __vmsish_h_included */