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avoid warnings in diagnostics.pm; pod tweaks (from Peter Prymmer
[perl5.git] / vms / vmsish.h
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1/* vmsish.h
2 *
3 * VMS-specific C header file for perl5.
4 *
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5 * Last revised: 16-Sep-1998 by Charles Bailey bailey@newman.upenn.edu
6 * Version: 5.5.2
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7 */
8
9#ifndef __vmsish_h_included
10#define __vmsish_h_included
11
12#include <descrip.h> /* for dirent struct definitions */
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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 */
4fdae800 16#include <stsdef.h> /* bitmasks for exit status testing */
748a9306 17
4633a7c4 18/* Suppress compiler warnings from DECC for VMS-specific extensions:
e518068a 19 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
20 * (e.g. pointer fields of descriptors)
21 */
22#ifdef __DECC
17f28c40 23# pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT)
e518068a 24#endif
25
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26/* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
27#ifdef _toupper
28# undef _toupper
29#endif
30#define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040)
31#ifdef _tolower
32# undef _tolower
33#endif
34#define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040)
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35/* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this
36 * can go away once DECC 1.3 isn't in use any more. */
37#if defined(__ALPHA) && defined(__DECC)
38#undef abs
39#define abs(__x) __ABS(__x)
40#undef labs
41#define labs(__x) __LABS(__x)
42#endif /* __ALPHA && __DECC */
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43
44/* Assorted things to look like Unix */
45#ifdef __GNUC__
46#ifndef _IOLBF /* gcc's stdio.h doesn't define this */
47#define _IOLBF 1
48#endif
748a9306 49#endif
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50#include <processes.h> /* for vfork() */
51#include <unixio.h>
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52#include <unixlib.h>
53#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
774d564b 54#if defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000
bbce6d69 55# include <unistd.h> /* DECC has this; VAXC and gcc don't */
56#endif
bf109933 57
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58/* VAXC doesn't have a unary plus operator, so we need to get there indirectly */
59#if defined(VAXC) && !defined(__DECC)
60# define NO_UNARY_PLUS
61#endif
62
aa689395 63#ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
64# define DONT_MASK_RTL_CALLS
65#endif
66
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67/* Note that we do, in fact, have this */
68#define HAS_GETENV_SV
cc077a9f 69#define HAS_GETENV_LEN
562a7b0c 70
aa689395 71#ifndef DONT_MASK_RTL_CALLS
72# ifdef getenv
73# undef getenv
74# endif
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75 /* getenv used for regular logical names */
76# define getenv(v) my_getenv(v,TRUE)
aa689395 77#endif
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78#ifdef getenv_len
79# undef getenv_len
80#endif
a6c40364 81#define getenv_len(v,l) my_getenv_len(v,l,TRUE)
aa689395 82
4fdae800 83/* DECC introduces this routine in the RTL as of VMS 7.0; for now,
84 * we'll use ours, since it gives us the full VMS exit status. */
4fdae800 85#define waitpid my_waitpid
86
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87/* Don't redeclare standard RTL routines in Perl's header files;
88 * VMS history or extensions makes some of the formal protoypes
89 * differ from the common Unix forms.
90 */
91#define DONT_DECLARE_STD 1
92
bf109933 93/* Our own contribution to PerlShr's global symbols . . . */
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94#define vmstrnenv Perl_vmstrnenv
95#define my_trnlnm Perl_my_trnlnm
a6c40364 96#define my_getenv_len Perl_my_getenv_len
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97#define prime_env_iter Perl_prime_env_iter
98#define vmssetenv Perl_vmssetenv
5c84aa53 99#if !defined(PERL_IMPLICIT_CONTEXT)
562a7b0c 100#define my_setenv Perl_my_setenv
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101#define my_getenv Perl_my_getenv
102#else
103#define my_setenv(a,b) Perl_my_setenv(aTHX_ a,b)
104#define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b)
105#endif
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106#define my_crypt Perl_my_crypt
107#define my_waitpid Perl_my_waitpid
108#define my_gconvert Perl_my_gconvert
109#define do_rmdir Perl_do_rmdir
110#define kill_file Perl_kill_file
111#define my_mkdir Perl_my_mkdir
112#define my_utime Perl_my_utime
113#define rmsexpand Perl_rmsexpand
114#define rmsexpand_ts Perl_rmsexpand_ts
115#define fileify_dirspec Perl_fileify_dirspec
116#define fileify_dirspec_ts Perl_fileify_dirspec_ts
117#define pathify_dirspec Perl_pathify_dirspec
118#define pathify_dirspec_ts Perl_pathify_dirspec_ts
119#define tounixspec Perl_tounixspec
120#define tounixspec_ts Perl_tounixspec_ts
121#define tovmsspec Perl_tovmsspec
122#define tovmsspec_ts Perl_tovmsspec_ts
123#define tounixpath Perl_tounixpath
124#define tounixpath_ts Perl_tounixpath_ts
125#define tovmspath Perl_tovmspath
126#define tovmspath_ts Perl_tovmspath_ts
127#define vms_image_init Perl_vms_image_init
128#define opendir Perl_opendir
129#define readdir Perl_readdir
130#define telldir Perl_telldir
131#define seekdir Perl_seekdir
132#define closedir Perl_closedir
133#define vmsreaddirversions Perl_vmsreaddirversions
134#define my_gmtime Perl_my_gmtime
135#define my_localtime Perl_my_localtime
136#define my_time Perl_my_time
137#define my_sigemptyset Perl_my_sigemptyset
138#define my_sigfillset Perl_my_sigfillset
139#define my_sigaddset Perl_my_sigaddset
140#define my_sigdelset Perl_my_sigdelset
141#define my_sigismember Perl_my_sigismember
142#define my_sigprocmask Perl_my_sigprocmask
143#define cando_by_name Perl_cando_by_name
144#define flex_fstat Perl_flex_fstat
145#define flex_stat Perl_flex_stat
146#define trim_unixpath Perl_trim_unixpath
147#define my_vfork Perl_my_vfork
148#define vms_do_aexec Perl_vms_do_aexec
149#define vms_do_exec Perl_vms_do_exec
150#define do_aspawn Perl_do_aspawn
151#define do_spawn Perl_do_spawn
152#define my_fwrite Perl_my_fwrite
153#define my_flush Perl_my_flush
154#define my_getpwnam Perl_my_getpwnam
155#define my_getpwuid Perl_my_getpwuid
156#define my_getpwent Perl_my_getpwent
157#define my_endpwent Perl_my_endpwent
158#define my_getlogin Perl_my_getlogin
159#define rmscopy Perl_rmscopy
160#define init_os_extras Perl_init_os_extras
bf109933 161
162/* Delete if at all possible, changing protections if necessary. */
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163#define unlink kill_file
164
0414b1a0 165/*
166 * Intercept calls to fork, so we know whether subsequent calls to
167 * exec should be handled in VMSish or Unixish style.
168 */
169#define fork my_vfork
aa689395 170#ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
0414b1a0 171# ifdef vfork
172# undef vfork
173# endif
174# define vfork my_vfork
175#endif
176
177/* BIG_TIME:
178 * This symbol is defined if Time_t is an unsigned type on this system.
179 */
180#define BIG_TIME
181
0414b1a0 182/* ACME_MESS:
183 * This symbol, if defined, indicates that error messages should be
184 * should be generated in a format that allows the use of the Acme
185 * GUI/editor's autofind feature.
186 */
187#undef ACME_MESS /**/
e518068a 188
44a8e56a 189/* ALTERNATE_SHEBANG:
190 * This symbol, if defined, contains a "magic" string which may be used
191 * as the first line of a Perl program designed to be executed directly
192 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
193 * begins with a character other then #, then Perl will only treat
194 * it as a command line if if finds the string "perl" in the first
195 * word; otherwise it's treated as the first line of code in the script.
196 * (IOW, Perl won't hand off to another interpreter via an alternate
197 * shebang sequence that might be legal Perl code.)
198 */
199#define ALTERNATE_SHEBANG "$"
200
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201/* Lower case entry points for these are missing in some earlier RTLs
202 * so we borrow the defines and declares from errno.h and upcase them.
203 */
204#if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 50500000)
205# define errno (*CMA$TIS_ERRNO_GET_ADDR())
206# define vaxc$errno (*CMA$TIS_VMSERRNO_GET_ADDR())
207 int *CMA$TIS_ERRNO_GET_ADDR (void); /* UNIX style error code */
208 int *CMA$TIS_VMSERRNO_GET_ADDR (void); /* VMS error (errno == EVMSERR) */
209#endif
210
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211/* Macros to set errno using the VAX thread-safe calls, if present */
212#if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
213# define set_errno(v) (cma$tis_errno_set_value(v))
774d564b 214 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
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215# define set_vaxc_errno(v) (vaxc$errno = (v))
216#else
217# define set_errno(v) (errno = (v))
218# define set_vaxc_errno(v) (vaxc$errno = (v))
219#endif
220
ff0cee69 221/* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
222
223#define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
224
aa689395 225#define HINT_V_VMSISH 24
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226#define HINT_M_VMSISH_HUSHED 0x20000000 /* stifle error msgs on exit */
227#define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */
a0ed51b3 228#define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */
6b88bc9c 229#define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */
ff0cee69 230
6b88bc9c 231#define TEST_VMSISH(h) (PL_curcop->op_private & ((h) >> HINT_V_VMSISH))
d98f61e7 232#define VMSISH_HUSHED TEST_VMSISH(HINT_M_VMSISH_HUSHED)
ff0cee69 233#define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
ff0cee69 234#define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
235
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236/* Flags for vmstrnenv() */
237#define PERL__TRNENV_SECURE 0x01
238
748a9306 239/* Handy way to vet calls to VMS system services and RTL routines. */
bf109933 240#define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \
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241 if (!((__ckvms_sts=(call))&1)) { \
242 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
5c84aa53 243 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \
bf109933 244 __ckvms_sts,__FILE__,__LINE__); } } STMT_END
a0d0e21e 245
0414b1a0 246/* Same thing, but don't call back to Perl's croak(); useful for errors
247 * occurring during startup, before Perl's state is initialized */
248#define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \
249 if (!((__ckvms_sts=(call))&1)) { \
250 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
251 fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \
252 __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END
253
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254#ifdef VMS_DO_SOCKETS
255#include "sockadapt.h"
256#endif
257
c07a80fd 258#define BIT_BUCKET "_NLA0:"
fc1ce8cc 259#define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT
534825c4 260#define PERL_SYS_TERM() OP_REFCNT_TERM; MALLOC_TERM
8cc95fdb 261#define dXSUB_SYS
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262#define HAS_KILL
263#define HAS_WAIT
264
146174a9 265#define PERL_FS_VER_FMT "%d_%d_%d"
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266/* Temporary; we need to add support for this to Configure.Com */
267#ifdef PERL_INC_VERSION_LIST
268# undef PERL_INC_VERSION_LIST
269#endif
146174a9 270
e518068a 271/* VMS:
272 * This symbol, if defined, indicates that the program is running under
273 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
274 * Just in case, however . . . */
275#ifndef VMS
276#define VMS /**/
277#endif
278
279/* HAS_IOCTL:
280 * This symbol, if defined, indicates that the ioctl() routine is
281 * available to set I/O characteristics
a0d0e21e 282 */
e518068a 283#undef HAS_IOCTL /**/
284
285/* HAS_UTIME:
286 * This symbol, if defined, indicates that the routine utime() is
287 * available to update the access and modification times of files.
288 */
289#define HAS_UTIME /**/
a0d0e21e 290
e518068a 291/* HAS_GROUP
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292 * This symbol, if defined, indicates that the getgrnam() and
293 * getgrgid() routines are available to get group entries.
294 * The getgrent() has a separate definition, HAS_GETGRENT.
e518068a 295 */
296#undef HAS_GROUP /**/
297
298/* HAS_PASSWD
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299 * This symbol, if defined, indicates that the getpwnam() and
300 * getpwuid() routines are available to get password entries.
301 * The getpwent() has a separate definition, HAS_GETPWENT.
e518068a 302 */
303#define HAS_PASSWD /**/
304
305#define HAS_KILL
306#define HAS_WAIT
307
0414b1a0 308/* USEMYBINMODE
309 * This symbol, if defined, indicates that the program should
16fe6d59 310 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
0414b1a0 311 * that a file is in "binary" mode -- that is, that no translation
312 * of bytes occurs on read or write operations.
313 */
562a7b0c 314#undef USEMYBINMODE
0414b1a0 315
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316/* Stat_t:
317 * This symbol holds the type used to declare buffers for information
318 * returned by stat(). It's usually just struct stat. It may be necessary
319 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
320 * information.
321 */
322/* VMS:
323 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS
324 * is in effect, since Perl's thread.h embeds one of these structs in its
325 * thread data struct, and our struct mystat is a different size from the
326 * regular struct stat (cf. note above about having to pad struct to work
327 * around bug in compiler.)
328 * It's OK to pass one of these to the RTL's stat(), though, since the
329 * fields it fills are the same in each struct.
330 */
331#define Stat_t struct mystat
332
333/* USE_STAT_RDEV:
334* This symbol is defined if this system has a stat structure declaring
335* st_rdev
336* VMS: Field exists in POSIXish version of struct stat(), but is not used.
337*/
338#undef USE_STAT_RDEV /**/
339
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340/*
341 * fwrite1() should be a routine with the same calling sequence as fwrite(),
342 * but which outputs all of the bytes requested as a single stream (unlike
343 * fwrite() itself, which on some systems outputs several distinct records
344 * if the number_of_items parameter is >1).
345 */
346#define fwrite1 my_fwrite
347
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348/* By default, flush data all the way to disk, not just to RMS buffers */
349#define Fflush(fp) my_flush(fp)
350
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351/* Use our own rmdir() */
352#define rmdir(name) do_rmdir(name)
353
354/* Assorted fiddling with sigs . . . */
355# include <signal.h>
356#define ABORT() abort()
5f05dabc 357 /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */
358#if !defined(SIG_ERR) && defined(BADSIG)
359# define SIG_ERR BADSIG
360#endif
361
a0d0e21e 362
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363/* Used with our my_utime() routine in vms.c */
364struct utimbuf {
365 time_t actime;
366 time_t modtime;
367};
368#define utime my_utime
369
0414b1a0 370/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS
371 * prior to v7.0. We check the DECC manifest to see whether it's already
372 * done this for us, relying on the fact that perl.h #includes <time.h>
373 * before it #includes "vmsish.h".
374 */
a0d0e21e 375
0414b1a0 376#ifndef __TMS
377 struct tms {
378 clock_t tms_utime; /* user time */
379 clock_t tms_stime; /* system time - always 0 on VMS */
380 clock_t tms_cutime; /* user time, children */
381 clock_t tms_cstime; /* system time, children - always 0 on VMS */
382 };
5f05dabc 383#else
384 /* The new headers change the times() prototype to tms from tbuffer */
385# define tbuffer_t struct tms
0414b1a0 386#endif
a0d0e21e 387
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388/* Substitute our own routines for gmtime(), localtime(), and time(),
389 * which allow us to implement the vmsish 'time' pragma, and work
390 * around absence of system-level UTC support on old versions of VMS.
e518068a 391 */
392#define gmtime(t) my_gmtime(t)
ff0cee69 393#define localtime(t) my_localtime(t)
394#define time(t) my_time(t)
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395
396/* If we're using an older version of VMS whose Unix signal emulation
397 * isn't very POSIXish, then roll our own.
398 */
399#if __VMS_VER < 70000000 || __DECC_VER < 50200000
400# define HOMEGROWN_POSIX_SIGNALS
401#endif
402#ifdef HOMEGROWN_POSIX_SIGNALS
403# define sigemptyset(t) my_sigemptyset(t)
404# define sigfillset(t) my_sigfillset(t)
405# define sigaddset(t, u) my_sigaddset(t, u)
406# define sigdelset(t, u) my_sigdelset(t, u)
407# define sigismember(t, u) my_sigismember(t, u)
408# define sigprocmask(t, u, v) my_sigprocmask(t, u, v)
09b7f37c 409# ifndef _SIGSET_T
61bb5906 410 typedef int sigset_t;
09b7f37c 411# endif
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412 /* The tools for sigprocmask() are there, just not the routine itself */
413# ifndef SIG_UNBLOCK
414# define SIG_UNBLOCK 1
415# endif
416# ifndef SIG_BLOCK
417# define SIG_BLOCK 2
418# endif
419# ifndef SIG_SETMASK
420# define SIG_SETMASK 3
421# endif
422# define sigaction sigvec
423# define sa_flags sv_onstack
424# define sa_handler sv_handler
425# define sa_mask sv_mask
426# define sigsuspend(set) sigpause(*set)
427# define sigpending(a) (not_here("sigpending"),0)
7b62b82b 428#endif
e518068a 429
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430/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
431 * messages in text strings . . .
432 */
433
434#define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
435
436/* Look up new %ENV values on the fly */
437#define DYNAMIC_ENV_FETCH 1
438#define ENV_HV_NAME "%EnV%VmS%"
aa689395 439 /* Special getenv function for retrieving %ENV elements. */
562a7b0c 440#define ENVgetenv(v) my_getenv(v,FALSE)
a6c40364 441#define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE)
aa689395 442
a0d0e21e 443
c07a80fd 444/* Thin jacket around cuserid() tomatch Unix' calling sequence */
445#define getlogin my_getlogin
446
447/* Ditto for sys$hash_passwrod() . . . */
448#define crypt my_crypt
449
8cc95fdb 450/* Tweak arg to mkdir first, so we can tolerate trailing /. */
451#define Mkdir(dir,mode) my_mkdir((dir),(mode))
452
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453/* Use our own stat() clones, which handle Unix-style directory names */
454#define Stat(name,bufptr) flex_stat(name,bufptr)
455#define Fstat(fd,bufptr) flex_fstat(fd,bufptr)
456
457/* Setup for the dirent routines:
458 * opendir(), closedir(), readdir(), seekdir(), telldir(), and
459 * vmsreaddirversions(), and preprocessor stuff on which these depend:
460 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
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461 */
462 /* Data structure returned by READDIR(). */
463struct dirent {
464 char d_name[256]; /* File name */
465 int d_namlen; /* Length of d_name */
466 int vms_verscount; /* Number of versions */
467 int vms_versions[20]; /* Version numbers */
468};
469
470 /* Handle returned by opendir(), used by the other routines. You
471 * are not supposed to care what's inside this structure. */
472typedef struct _dirdesc {
473 long context;
474 int vms_wantversions;
475 unsigned long int count;
476 char *pattern;
477 struct dirent entry;
478 struct dsc$descriptor_s pat;
479} DIR;
480
481#define rewinddir(dirp) seekdir((dirp), 0)
482
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483/* used for our emulation of getpw* */
484struct passwd {
485 char *pw_name; /* Username */
486 char *pw_passwd;
487 Uid_t pw_uid; /* UIC member number */
488 Gid_t pw_gid; /* UIC group number */
489 char *pw_comment; /* Default device/directory (Unix-style) */
490 char *pw_gecos; /* Owner */
491 char *pw_dir; /* Default device/directory (VMS-style) */
492 char *pw_shell; /* Default CLI name (eg. DCL) */
493};
494#define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
495#define getpwnam my_getpwnam
496#define getpwuid my_getpwuid
497#define getpwent my_getpwent
498#define endpwent my_endpwent
499#define setpwent my_endpwent
500
501/* Our own stat_t substitute, since we play with st_dev and st_ino -
502 * we want atomic types so Unix-bound code which compares these fields
c07a80fd 503 * for two files will work most of the time under VMS.
504 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
505 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
506 * to map the unsigned int we want and the unsigned short[3] the CRTL
507 * returns into the same member, since gcc has different ideas than DECC
508 * and VAXC about sizing union types.
509 * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the
510 * address of a FID.
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511 */
512/* First, grab the system types, so we don't clobber them later */
513#include <stat.h>
514/* Since we've got to match the size of the CRTL's stat_t, we need
515 * to mimic DECC's alignment settings.
516 */
517#if defined(__DECC) || defined(__DECCXX)
518# pragma __member_alignment __save
519# pragma __nomember_alignment
520#endif
521#if defined(__DECC)
522# pragma __message __save
523# pragma __message disable (__MISALGNDSTRCT)
524# pragma __message disable (__MISALGNDMEM)
525#endif
526struct mystat
527{
528 char *st_devnam; /* pointer to device name */
c07a80fd 529 unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */
530 unsigned short rvn; /* FID (num,seq,rvn) */
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531 unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */
532 int st_nlink; /* for compatibility - not really used */
533 unsigned st_uid; /* from ACP - QIO uic field */
534 unsigned short st_gid; /* group number extracted from st_uid */
535 dev_t st_rdev; /* for compatibility - always zero */
536 off_t st_size; /* file size in bytes */
537 unsigned st_atime; /* file access time; always same as st_mtime */
538 unsigned st_mtime; /* last modification time */
539 unsigned st_ctime; /* file creation time */
540 char st_fab_rfm; /* record format */
541 char st_fab_rat; /* record attributes */
542 char st_fab_fsz; /* fixed header size */
543 unsigned st_dev; /* encoded device name */
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544 /* Pad struct out to integral number of longwords, since DECC 5.6/VAX
545 * has a bug in dealing with offsets in structs in which are embedded
546 * other structs whose size is an odd number of bytes. (An even
547 * number of bytes is enough to make it happy, but we go for natural
548 * alignment anyhow.)
549 */
550 char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)];
748a9306 551};
748a9306 552typedef unsigned mydev_t;
c07a80fd 553typedef unsigned myino_t;
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554
555/*
556 * DEC C previous to 6.0 corrupts the behavior of the /prefix
557 * qualifier with the extern prefix pragma. This provisional
558 * hack circumvents this prefix pragma problem in previous
559 * precompilers.
560 */
561#if defined(__VMS_VER) && __VMS_VER >= 70000000
562# if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000)
563# pragma __extern_prefix save
564# pragma __extern_prefix "" /* set to empty to prevent prefixing */
565# define geteuid decc$__unix_geteuid
566# define getuid decc$__unix_getuid
567# define stat(__p1,__p2) decc$__utc_stat(__p1,__p2)
568# define fstat(__p1,__p2) decc$__utc_fstat(__p1,__p2)
569# pragma __extern_prefix restore
570# endif
571#endif
572
aa689395 573#ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
574# ifdef stat
575# undef stat
576# endif
577# define stat mystat
578# define dev_t mydev_t
579# define ino_t myino_t
580#endif
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581#if defined(__DECC) || defined(__DECCXX)
582# pragma __member_alignment __restore
583#endif
584#if defined(__DECC)
585# pragma __message __restore
586#endif
587/* Cons up a 'delete' bit for testing access */
588#define S_IDUSR (S_IWUSR | S_IXUSR)
589#define S_IDGRP (S_IWGRP | S_IXGRP)
590#define S_IDOTH (S_IWOTH | S_IXOTH)
a0d0e21e 591
a44ceb8e 592
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593/* Prototypes for functions unique to vms.c. Don't include replacements
594 * for routines in the mainline source files excluded by #ifndef VMS;
595 * their prototypes are already in proto.h.
596 *
597 * In order to keep Gen_ShrFls.Pl happy, functions which are to be made
598 * available to images linked to PerlShr.Exe must be declared between the
599 * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
20ce7b12 600 * <data type><TAB>name<WHITESPACE>(<prototype args>);
a0d0e21e 601 */
94c456c4 602
44a8e56a 603#ifdef NO_PERL_TYPEDEFS
604 /* We don't have Perl typedefs available (e.g. when building a2p), so
605 we fake them here. N.B. There is *no* guarantee that the faked
606 prototypes will actually match the real routines. If you want to
607 call Perl routines, include perl.h to get the real typedefs. */
608# ifndef bool
609# define bool int
610# define __MY_BOOL_TYPE_FAKE
611# endif
612# ifndef I32
613# define I32 int
614# define __MY_I32_TYPE_FAKE
615# endif
616# ifndef SV
617# define SV void /* Since we only see SV * in prototypes */
618# define __MY_SV_TYPE_FAKE
619# endif
620#endif
621
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622void prime_env_iter (void);
623void init_os_extras ();
c07a80fd 624/* prototype section start marker; `typedef' passes through cpp */
625typedef char __VMS_PROTOTYPES__;
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626int vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int);
627int my_trnlnm (const char *, char *, unsigned long int);
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628#if !defined(PERL_IMPLICIT_CONTEXT)
629char * Perl_my_getenv (const char *, bool);
630#else
631char * Perl_my_getenv (pTHX_ const char *, bool);
632#endif
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633char * my_getenv_len (const char *, unsigned long *, bool);
634int vmssetenv (char *, char *, struct dsc$descriptor_s **);
635char * my_crypt (const char *, const char *);
636Pid_t my_waitpid (Pid_t, int *, int);
637char * my_gconvert (double, int, int, char *);
638int do_rmdir (char *);
639int kill_file (char *);
640int my_mkdir (char *, Mode_t);
641int my_utime (char *, struct utimbuf *);
642char * rmsexpand (char *, char *, char *, unsigned);
643char * rmsexpand_ts (char *, char *, char *, unsigned);
644char * fileify_dirspec (char *, char *);
645char * fileify_dirspec_ts (char *, char *);
646char * pathify_dirspec (char *, char *);
647char * pathify_dirspec_ts (char *, char *);
648char * tounixspec (char *, char *);
649char * tounixspec_ts (char *, char *);
650char * tovmsspec (char *, char *);
651char * tovmsspec_ts (char *, char *);
652char * tounixpath (char *, char *);
653char * tounixpath_ts (char *, char *);
654char * tovmspath (char *, char *);
655char * tovmspath_ts (char *, char *);
656void vms_image_init (int *, char ***);
657DIR * opendir (char *);
658struct dirent * readdir (DIR *);
659long telldir (DIR *);
660void seekdir (DIR *, long);
661void closedir (DIR *);
662void vmsreaddirversions (DIR *, int);
663struct tm * my_gmtime (const time_t *);
664struct tm * my_localtime (const time_t *);
665time_t my_time (time_t *);
61bb5906 666#ifdef HOMEGROWN_POSIX_SIGNALS
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667int my_sigemptyset (sigset_t *);
668int my_sigfillset (sigset_t *);
669int my_sigaddset (sigset_t *, int);
670int my_sigdelset (sigset_t *, int);
671int my_sigismember (sigset_t *, int);
672int my_sigprocmask (int, sigset_t *, sigset_t *);
5b411029 673#endif
146174a9 674I32 cando_by_name (I32, Uid_t, char *);
20ce7b12 675int flex_fstat (int, Stat_t *);
cc077a9f 676int flex_stat (const char *, Stat_t *);
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677int trim_unixpath (char *, char*, int);
678int my_vfork ();
679bool vms_do_aexec (SV *, SV **, SV **);
680bool vms_do_exec (char *);
681unsigned long int do_aspawn (void *, void **, void **);
682unsigned long int do_spawn (char *);
683int my_fwrite (void *, size_t, size_t, FILE *);
684int my_flush (FILE *);
685struct passwd * my_getpwnam (char *name);
686struct passwd * my_getpwuid (Uid_t uid);
687struct passwd * my_getpwent ();
688void my_endpwent ();
689char * my_getlogin ();
690int rmscopy (char *, char *, int);
c07a80fd 691typedef char __VMS_SEPYTOTORP__;
692/* prototype section end marker; `typedef' passes through cpp */
a0d0e21e 693
44a8e56a 694#ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */
695# ifdef __MY_BOOL_TYPE_FAKE
696# undef bool
697# undef __MY_BOOL_TYPE_FAKE
698# endif
699# ifdef __MY_I32_TYPE_FAKE
700# undef I32
701# undef __MY_I32_TYPE_FAKE
702# endif
703# ifdef __MY_SV_TYPE_FAKE
704# undef SV
705# undef __MY_SV_TYPE_FAKE
706# endif
707#endif
708
a0d0e21e 709#ifndef VMS_DO_SOCKETS
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710/* This relies on tricks in perl.h to pick up that these manifest constants
711 * are undefined and set up conversion routines. It will then redefine
712 * these manifest constants, so the actual values will match config.h
713 */
714#undef HAS_HTONS
715#undef HAS_NTOHS
716#undef HAS_HTONL
717#undef HAS_NTOHL
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718#endif
719
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720/* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */
721#if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000
722# undef fileno
723#endif
724
a0d0e21e 725#endif /* __vmsish_h_included */