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Minor fixes to assuage picky compilers (unsigned comparisons and
[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/* Macros to set errno using the VAX thread-safe calls, if present */
202#if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
203# define set_errno(v) (cma$tis_errno_set_value(v))
774d564b 204 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
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205# define set_vaxc_errno(v) (vaxc$errno = (v))
206#else
207# define set_errno(v) (errno = (v))
208# define set_vaxc_errno(v) (vaxc$errno = (v))
209#endif
210
ff0cee69 211/* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
212
213#define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
214
aa689395 215#define HINT_V_VMSISH 24
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216#define HINT_M_VMSISH_STATUS 0x20000000 /* system, $? return VMS status */
217#define HINT_M_VMSISH_EXIT 0x40000000 /* exit(1) ==> SS$_NORMAL */
218#define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */
6b88bc9c 219#define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */
ff0cee69 220
6b88bc9c 221#define TEST_VMSISH(h) (PL_curcop->op_private & ((h) >> HINT_V_VMSISH))
ff0cee69 222#define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
223#define VMSISH_EXIT TEST_VMSISH(HINT_M_VMSISH_EXIT)
224#define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
225
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226/* Flags for vmstrnenv() */
227#define PERL__TRNENV_SECURE 0x01
228
748a9306 229/* Handy way to vet calls to VMS system services and RTL routines. */
bf109933 230#define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \
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231 if (!((__ckvms_sts=(call))&1)) { \
232 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
5c84aa53 233 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \
bf109933 234 __ckvms_sts,__FILE__,__LINE__); } } STMT_END
a0d0e21e 235
0414b1a0 236/* Same thing, but don't call back to Perl's croak(); useful for errors
237 * occurring during startup, before Perl's state is initialized */
238#define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \
239 if (!((__ckvms_sts=(call))&1)) { \
240 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
241 fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \
242 __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END
243
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244#ifdef VMS_DO_SOCKETS
245#include "sockadapt.h"
246#endif
247
c07a80fd 248#define BIT_BUCKET "_NLA0:"
fc1ce8cc 249#define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT
18f739ee 250#define PERL_SYS_TERM() MALLOC_TERM
8cc95fdb 251#define dXSUB_SYS
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252#define HAS_KILL
253#define HAS_WAIT
254
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255#define PERL_FS_VER_FMT "%d_%d_%d"
256
e518068a 257/* VMS:
258 * This symbol, if defined, indicates that the program is running under
259 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
260 * Just in case, however . . . */
261#ifndef VMS
262#define VMS /**/
263#endif
264
265/* HAS_IOCTL:
266 * This symbol, if defined, indicates that the ioctl() routine is
267 * available to set I/O characteristics
a0d0e21e 268 */
e518068a 269#undef HAS_IOCTL /**/
270
271/* HAS_UTIME:
272 * This symbol, if defined, indicates that the routine utime() is
273 * available to update the access and modification times of files.
274 */
275#define HAS_UTIME /**/
a0d0e21e 276
e518068a 277/* HAS_GROUP
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278 * This symbol, if defined, indicates that the getgrnam() and
279 * getgrgid() routines are available to get group entries.
280 * The getgrent() has a separate definition, HAS_GETGRENT.
e518068a 281 */
282#undef HAS_GROUP /**/
283
284/* HAS_PASSWD
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285 * This symbol, if defined, indicates that the getpwnam() and
286 * getpwuid() routines are available to get password entries.
287 * The getpwent() has a separate definition, HAS_GETPWENT.
e518068a 288 */
289#define HAS_PASSWD /**/
290
291#define HAS_KILL
292#define HAS_WAIT
293
0414b1a0 294/* USEMYBINMODE
295 * This symbol, if defined, indicates that the program should
296 * use the routine my_binmode(FILE *fp, char iotype) to insure
297 * that a file is in "binary" mode -- that is, that no translation
298 * of bytes occurs on read or write operations.
299 */
562a7b0c 300#undef USEMYBINMODE
0414b1a0 301
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302/* Stat_t:
303 * This symbol holds the type used to declare buffers for information
304 * returned by stat(). It's usually just struct stat. It may be necessary
305 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
306 * information.
307 */
308/* VMS:
309 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS
310 * is in effect, since Perl's thread.h embeds one of these structs in its
311 * thread data struct, and our struct mystat is a different size from the
312 * regular struct stat (cf. note above about having to pad struct to work
313 * around bug in compiler.)
314 * It's OK to pass one of these to the RTL's stat(), though, since the
315 * fields it fills are the same in each struct.
316 */
317#define Stat_t struct mystat
318
319/* USE_STAT_RDEV:
320* This symbol is defined if this system has a stat structure declaring
321* st_rdev
322* VMS: Field exists in POSIXish version of struct stat(), but is not used.
323*/
324#undef USE_STAT_RDEV /**/
325
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326/*
327 * fwrite1() should be a routine with the same calling sequence as fwrite(),
328 * but which outputs all of the bytes requested as a single stream (unlike
329 * fwrite() itself, which on some systems outputs several distinct records
330 * if the number_of_items parameter is >1).
331 */
332#define fwrite1 my_fwrite
333
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334/* By default, flush data all the way to disk, not just to RMS buffers */
335#define Fflush(fp) my_flush(fp)
336
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337/* Use our own rmdir() */
338#define rmdir(name) do_rmdir(name)
339
340/* Assorted fiddling with sigs . . . */
341# include <signal.h>
342#define ABORT() abort()
5f05dabc 343 /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */
344#if !defined(SIG_ERR) && defined(BADSIG)
345# define SIG_ERR BADSIG
346#endif
347
a0d0e21e 348
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349/* Used with our my_utime() routine in vms.c */
350struct utimbuf {
351 time_t actime;
352 time_t modtime;
353};
354#define utime my_utime
355
0414b1a0 356/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS
357 * prior to v7.0. We check the DECC manifest to see whether it's already
358 * done this for us, relying on the fact that perl.h #includes <time.h>
359 * before it #includes "vmsish.h".
360 */
a0d0e21e 361
0414b1a0 362#ifndef __TMS
363 struct tms {
364 clock_t tms_utime; /* user time */
365 clock_t tms_stime; /* system time - always 0 on VMS */
366 clock_t tms_cutime; /* user time, children */
367 clock_t tms_cstime; /* system time, children - always 0 on VMS */
368 };
5f05dabc 369#else
370 /* The new headers change the times() prototype to tms from tbuffer */
371# define tbuffer_t struct tms
0414b1a0 372#endif
a0d0e21e 373
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374/* Substitute our own routines for gmtime(), localtime(), and time(),
375 * which allow us to implement the vmsish 'time' pragma, and work
376 * around absence of system-level UTC support on old versions of VMS.
e518068a 377 */
378#define gmtime(t) my_gmtime(t)
ff0cee69 379#define localtime(t) my_localtime(t)
380#define time(t) my_time(t)
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381
382/* If we're using an older version of VMS whose Unix signal emulation
383 * isn't very POSIXish, then roll our own.
384 */
385#if __VMS_VER < 70000000 || __DECC_VER < 50200000
386# define HOMEGROWN_POSIX_SIGNALS
387#endif
388#ifdef HOMEGROWN_POSIX_SIGNALS
389# define sigemptyset(t) my_sigemptyset(t)
390# define sigfillset(t) my_sigfillset(t)
391# define sigaddset(t, u) my_sigaddset(t, u)
392# define sigdelset(t, u) my_sigdelset(t, u)
393# define sigismember(t, u) my_sigismember(t, u)
394# define sigprocmask(t, u, v) my_sigprocmask(t, u, v)
09b7f37c 395# ifndef _SIGSET_T
61bb5906 396 typedef int sigset_t;
09b7f37c 397# endif
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398 /* The tools for sigprocmask() are there, just not the routine itself */
399# ifndef SIG_UNBLOCK
400# define SIG_UNBLOCK 1
401# endif
402# ifndef SIG_BLOCK
403# define SIG_BLOCK 2
404# endif
405# ifndef SIG_SETMASK
406# define SIG_SETMASK 3
407# endif
408# define sigaction sigvec
409# define sa_flags sv_onstack
410# define sa_handler sv_handler
411# define sa_mask sv_mask
412# define sigsuspend(set) sigpause(*set)
413# define sigpending(a) (not_here("sigpending"),0)
7b62b82b 414#endif
e518068a 415
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416/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
417 * messages in text strings . . .
418 */
419
420#define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
421
422/* Look up new %ENV values on the fly */
423#define DYNAMIC_ENV_FETCH 1
424#define ENV_HV_NAME "%EnV%VmS%"
aa689395 425 /* Special getenv function for retrieving %ENV elements. */
562a7b0c 426#define ENVgetenv(v) my_getenv(v,FALSE)
a6c40364 427#define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE)
aa689395 428
a0d0e21e 429
c07a80fd 430/* Thin jacket around cuserid() tomatch Unix' calling sequence */
431#define getlogin my_getlogin
432
433/* Ditto for sys$hash_passwrod() . . . */
434#define crypt my_crypt
435
8cc95fdb 436/* Tweak arg to mkdir first, so we can tolerate trailing /. */
437#define Mkdir(dir,mode) my_mkdir((dir),(mode))
438
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439/* Use our own stat() clones, which handle Unix-style directory names */
440#define Stat(name,bufptr) flex_stat(name,bufptr)
441#define Fstat(fd,bufptr) flex_fstat(fd,bufptr)
442
443/* Setup for the dirent routines:
444 * opendir(), closedir(), readdir(), seekdir(), telldir(), and
445 * vmsreaddirversions(), and preprocessor stuff on which these depend:
446 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
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447 */
448 /* Data structure returned by READDIR(). */
449struct dirent {
450 char d_name[256]; /* File name */
451 int d_namlen; /* Length of d_name */
452 int vms_verscount; /* Number of versions */
453 int vms_versions[20]; /* Version numbers */
454};
455
456 /* Handle returned by opendir(), used by the other routines. You
457 * are not supposed to care what's inside this structure. */
458typedef struct _dirdesc {
459 long context;
460 int vms_wantversions;
461 unsigned long int count;
462 char *pattern;
463 struct dirent entry;
464 struct dsc$descriptor_s pat;
465} DIR;
466
467#define rewinddir(dirp) seekdir((dirp), 0)
468
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469/* used for our emulation of getpw* */
470struct passwd {
471 char *pw_name; /* Username */
472 char *pw_passwd;
473 Uid_t pw_uid; /* UIC member number */
474 Gid_t pw_gid; /* UIC group number */
475 char *pw_comment; /* Default device/directory (Unix-style) */
476 char *pw_gecos; /* Owner */
477 char *pw_dir; /* Default device/directory (VMS-style) */
478 char *pw_shell; /* Default CLI name (eg. DCL) */
479};
480#define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
481#define getpwnam my_getpwnam
482#define getpwuid my_getpwuid
483#define getpwent my_getpwent
484#define endpwent my_endpwent
485#define setpwent my_endpwent
486
487/* Our own stat_t substitute, since we play with st_dev and st_ino -
488 * we want atomic types so Unix-bound code which compares these fields
c07a80fd 489 * for two files will work most of the time under VMS.
490 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
491 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
492 * to map the unsigned int we want and the unsigned short[3] the CRTL
493 * returns into the same member, since gcc has different ideas than DECC
494 * and VAXC about sizing union types.
495 * N.B 2. The routine cando() in vms.c assumes that &stat.st_ino is the
496 * address of a FID.
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497 */
498/* First, grab the system types, so we don't clobber them later */
499#include <stat.h>
500/* Since we've got to match the size of the CRTL's stat_t, we need
501 * to mimic DECC's alignment settings.
502 */
503#if defined(__DECC) || defined(__DECCXX)
504# pragma __member_alignment __save
505# pragma __nomember_alignment
506#endif
507#if defined(__DECC)
508# pragma __message __save
509# pragma __message disable (__MISALGNDSTRCT)
510# pragma __message disable (__MISALGNDMEM)
511#endif
512struct mystat
513{
514 char *st_devnam; /* pointer to device name */
c07a80fd 515 unsigned st_ino; /* hack - CRTL uses unsigned short[3] for */
516 unsigned short rvn; /* FID (num,seq,rvn) */
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517 unsigned short st_mode; /* file "mode" i.e. prot, dir, reg, etc. */
518 int st_nlink; /* for compatibility - not really used */
519 unsigned st_uid; /* from ACP - QIO uic field */
520 unsigned short st_gid; /* group number extracted from st_uid */
521 dev_t st_rdev; /* for compatibility - always zero */
522 off_t st_size; /* file size in bytes */
523 unsigned st_atime; /* file access time; always same as st_mtime */
524 unsigned st_mtime; /* last modification time */
525 unsigned st_ctime; /* file creation time */
526 char st_fab_rfm; /* record format */
527 char st_fab_rat; /* record attributes */
528 char st_fab_fsz; /* fixed header size */
529 unsigned st_dev; /* encoded device name */
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530 /* Pad struct out to integral number of longwords, since DECC 5.6/VAX
531 * has a bug in dealing with offsets in structs in which are embedded
532 * other structs whose size is an odd number of bytes. (An even
533 * number of bytes is enough to make it happy, but we go for natural
534 * alignment anyhow.)
535 */
536 char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)];
748a9306 537};
748a9306 538typedef unsigned mydev_t;
c07a80fd 539typedef unsigned myino_t;
aa689395 540#ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
541# ifdef stat
542# undef stat
543# endif
544# define stat mystat
545# define dev_t mydev_t
546# define ino_t myino_t
547#endif
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548#if defined(__DECC) || defined(__DECCXX)
549# pragma __member_alignment __restore
550#endif
551#if defined(__DECC)
552# pragma __message __restore
553#endif
554/* Cons up a 'delete' bit for testing access */
555#define S_IDUSR (S_IWUSR | S_IXUSR)
556#define S_IDGRP (S_IWGRP | S_IXGRP)
557#define S_IDOTH (S_IWOTH | S_IXOTH)
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558
559/* Prototypes for functions unique to vms.c. Don't include replacements
560 * for routines in the mainline source files excluded by #ifndef VMS;
561 * their prototypes are already in proto.h.
562 *
563 * In order to keep Gen_ShrFls.Pl happy, functions which are to be made
564 * available to images linked to PerlShr.Exe must be declared between the
565 * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
20ce7b12 566 * <data type><TAB>name<WHITESPACE>(<prototype args>);
a0d0e21e 567 */
94c456c4 568
44a8e56a 569#ifdef NO_PERL_TYPEDEFS
570 /* We don't have Perl typedefs available (e.g. when building a2p), so
571 we fake them here. N.B. There is *no* guarantee that the faked
572 prototypes will actually match the real routines. If you want to
573 call Perl routines, include perl.h to get the real typedefs. */
574# ifndef bool
575# define bool int
576# define __MY_BOOL_TYPE_FAKE
577# endif
578# ifndef I32
579# define I32 int
580# define __MY_I32_TYPE_FAKE
581# endif
582# ifndef SV
583# define SV void /* Since we only see SV * in prototypes */
584# define __MY_SV_TYPE_FAKE
585# endif
586#endif
587
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588void prime_env_iter (void);
589void init_os_extras ();
c07a80fd 590/* prototype section start marker; `typedef' passes through cpp */
591typedef char __VMS_PROTOTYPES__;
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592int vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int);
593int my_trnlnm (const char *, char *, unsigned long int);
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594#if !defined(PERL_IMPLICIT_CONTEXT)
595char * Perl_my_getenv (const char *, bool);
596#else
597char * Perl_my_getenv (pTHX_ const char *, bool);
598#endif
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599char * my_getenv_len (const char *, unsigned long *, bool);
600int vmssetenv (char *, char *, struct dsc$descriptor_s **);
601char * my_crypt (const char *, const char *);
602Pid_t my_waitpid (Pid_t, int *, int);
603char * my_gconvert (double, int, int, char *);
604int do_rmdir (char *);
605int kill_file (char *);
606int my_mkdir (char *, Mode_t);
607int my_utime (char *, struct utimbuf *);
608char * rmsexpand (char *, char *, char *, unsigned);
609char * rmsexpand_ts (char *, char *, char *, unsigned);
610char * fileify_dirspec (char *, char *);
611char * fileify_dirspec_ts (char *, char *);
612char * pathify_dirspec (char *, char *);
613char * pathify_dirspec_ts (char *, char *);
614char * tounixspec (char *, char *);
615char * tounixspec_ts (char *, char *);
616char * tovmsspec (char *, char *);
617char * tovmsspec_ts (char *, char *);
618char * tounixpath (char *, char *);
619char * tounixpath_ts (char *, char *);
620char * tovmspath (char *, char *);
621char * tovmspath_ts (char *, char *);
622void vms_image_init (int *, char ***);
623DIR * opendir (char *);
624struct dirent * readdir (DIR *);
625long telldir (DIR *);
626void seekdir (DIR *, long);
627void closedir (DIR *);
628void vmsreaddirversions (DIR *, int);
629struct tm * my_gmtime (const time_t *);
630struct tm * my_localtime (const time_t *);
631time_t my_time (time_t *);
61bb5906 632#ifdef HOMEGROWN_POSIX_SIGNALS
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633int my_sigemptyset (sigset_t *);
634int my_sigfillset (sigset_t *);
635int my_sigaddset (sigset_t *, int);
636int my_sigdelset (sigset_t *, int);
637int my_sigismember (sigset_t *, int);
638int my_sigprocmask (int, sigset_t *, sigset_t *);
5b411029 639#endif
146174a9 640I32 cando_by_name (I32, Uid_t, char *);
20ce7b12 641int flex_fstat (int, Stat_t *);
cc077a9f 642int flex_stat (const char *, Stat_t *);
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643int trim_unixpath (char *, char*, int);
644int my_vfork ();
645bool vms_do_aexec (SV *, SV **, SV **);
646bool vms_do_exec (char *);
647unsigned long int do_aspawn (void *, void **, void **);
648unsigned long int do_spawn (char *);
649int my_fwrite (void *, size_t, size_t, FILE *);
650int my_flush (FILE *);
651struct passwd * my_getpwnam (char *name);
652struct passwd * my_getpwuid (Uid_t uid);
653struct passwd * my_getpwent ();
654void my_endpwent ();
655char * my_getlogin ();
656int rmscopy (char *, char *, int);
c07a80fd 657typedef char __VMS_SEPYTOTORP__;
658/* prototype section end marker; `typedef' passes through cpp */
a0d0e21e 659
44a8e56a 660#ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */
661# ifdef __MY_BOOL_TYPE_FAKE
662# undef bool
663# undef __MY_BOOL_TYPE_FAKE
664# endif
665# ifdef __MY_I32_TYPE_FAKE
666# undef I32
667# undef __MY_I32_TYPE_FAKE
668# endif
669# ifdef __MY_SV_TYPE_FAKE
670# undef SV
671# undef __MY_SV_TYPE_FAKE
672# endif
673#endif
674
a0d0e21e 675#ifndef VMS_DO_SOCKETS
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676/* This relies on tricks in perl.h to pick up that these manifest constants
677 * are undefined and set up conversion routines. It will then redefine
678 * these manifest constants, so the actual values will match config.h
679 */
680#undef HAS_HTONS
681#undef HAS_NTOHS
682#undef HAS_HTONL
683#undef HAS_NTOHL
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684#endif
685
686#endif /* __vmsish_h_included */