3 * VMS-specific C header file for perl5.
5 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
6 * 2002, 2003, 2004, 2005, 2006, 2007 by Charles Bailey and others.
8 * You may distribute under the terms of either the GNU General Public
9 * License or the Artistic License, as specified in the README file.
11 * Please see Changes*.* or the Perl Repository Browser for revision history.
14 #ifndef __vmsish_h_included
15 #define __vmsish_h_included
17 #include <descrip.h> /* for dirent struct definitions */
18 #include <libdef.h> /* status codes for various places */
19 #include <rmsdef.h> /* at which errno and vaxc$errno are */
20 #include <ssdef.h> /* explicitly set in the perl source code */
21 #include <stsdef.h> /* bitmasks for exit status testing */
23 /* Suppress compiler warnings from DECC for VMS-specific extensions:
24 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
25 * (e.g. pointer fields of descriptors)
27 #if defined(__DECC) || defined(__DECCXX)
28 # pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT)
31 /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
35 #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040)
39 #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040)
40 /* DECC 1.3 has a funny definition of abs; it's fixed in DECC 4.0, so this
41 * can go away once DECC 1.3 isn't in use any more. */
42 #if defined(__ALPHA) && (defined(__DECC) || defined(__DECCXX))
44 #define abs(__x) __ABS(__x)
46 #define labs(__x) __LABS(__x)
47 #endif /* __ALPHA && __DECC */
49 /* Assorted things to look like Unix */
51 #ifndef _IOLBF /* gcc's stdio.h doesn't define this */
55 #include <processes.h> /* for vfork() */
58 #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
59 #if (defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000) || defined(__DECCXX)
60 # include <unistd.h> /* DECC has this; gcc doesn't */
63 #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
64 # define DONT_MASK_RTL_CALLS
69 /* Set the maximum filespec size here as it is larger for EFS file
75 #define VMS_MAXRSS (NAML$C_MAXRSS+1)
76 #ifndef VMS_LONGNAME_SUPPORT
77 #define VMS_LONGNAME_SUPPORT 1
78 #endif /* VMS_LONGNAME_SUPPORT */
79 #endif /* NAML$C_MAXRSS */
80 #endif /* VMS_MAXRSS */
84 #define VMS_MAXRSS (NAM$C_MAXRSS + 1)
88 #define MAXPATHLEN (VMS_MAXRSS - 1)
92 /* Note that we do, in fact, have this */
94 #define HAS_GETENV_LEN
96 /* All this stiff is for the x2P programs. Hopefully they'll still work */
97 #if defined(PERL_FOR_X2P)
109 #ifndef DONT_MASK_RTL_CALLS
113 /* getenv used for regular logical names */
114 # define getenv(v) Perl_my_getenv(aTHX_ v,TRUE)
119 #define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE)
121 /* DECC introduces this routine in the RTL as of VMS 7.0; for now,
122 * we'll use ours, since it gives us the full VMS exit status. */
123 #define waitpid my_waitpid
125 /* Don't redeclare standard RTL routines in Perl's header files;
126 * VMS history or extensions makes some of the formal protoypes
127 * differ from the common Unix forms.
129 #define DONT_DECLARE_STD 1
131 /* Our own contribution to PerlShr's global symbols . . . */
133 #if !defined(PERL_IMPLICIT_CONTEXT)
134 #define opendir Perl_opendir
135 #define rename Perl_rename
136 #define seekdir Perl_seekdir
137 #define readdir Perl_readdir
138 #define readdir_r Perl_readdir_r
140 #define opendir(a) Perl_opendir(aTHX_ a)
141 #define rename(a,b) Perl_rename(aTHX_ a,b)
142 #define seekdir(a,b) Perl_seekdir(aTHX_ a,b)
143 #define readdir(a) Perl_readdir(aTHX_ a)
144 #define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c)
146 #define closedir(a) Perl_closedir(a)
147 #define telldir(a) Perl_telldir(a)
148 #define vmsreaddirversions(a,b) Perl_vmsreaddirversions(a,b)
150 #define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c)
151 #define do_rmdir(a) Perl_do_rmdir(aTHX_ a)
152 #define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
153 #define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
154 #define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
155 #define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
156 #define fileify_dirspec_utf8(a,b,c) Perl_fileify_dirspec(aTHX_ a,b,utf8)
157 #define fileify_dirspec_utf8_ts(a,b,c) Perl_fileify_dirspec_ts(aTHX_ a,b,utf8)
158 #define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b)
159 #define flex_lstat(a,b) Perl_flex_lstat(aTHX_ a,b)
160 #define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b)
161 #define init_os_extras Perl_init_os_extras
162 #define kill_file(a) Perl_kill_file(aTHX_ a)
163 #define my_chdir(a) Perl_my_chdir(aTHX_ a)
164 #define my_chmod(a,b) Perl_my_chmod(aTHX_ a,b)
165 #define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b)
166 #define my_endpwent() Perl_my_endpwent(aTHX)
167 #define my_fclose(a) Perl_my_fclose(a)
168 #define my_fdopen(a,b) Perl_my_fdopen(a,b)
169 #define my_flush(a) Perl_my_flush(aTHX_ a)
170 #define my_fwrite(a,b,c,d) Perl_my_fwrite(a,b,c,d)
171 #define my_fgetname(a,b) Perl_my_fgetname(a,b)
172 #define my_gconvert(a,b,c,d) Perl_my_gconvert(a,b,c,d)
173 #define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b)
174 #define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c)
175 #define my_getlogin Perl_my_getlogin
176 #define my_getpwent() Perl_my_getpwent(aTHX)
177 #define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a)
178 #define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a)
179 #define my_gmtime(a) Perl_my_gmtime(aTHX_ a)
180 #define my_localtime(a) Perl_my_localtime(aTHX_ a)
181 #define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b)
182 #define my_sigemptyset(a) Perl_my_sigemptyset(a)
183 #define my_sigfillset(a) Perl_my_sigfillset(a)
184 #define my_sigaddset(a,b) Perl_my_sigaddset(a,b)
185 #define my_sigdelset(a,b,c) Perl_my_sigdelset(a,b,c)
186 #define my_sigismember(a,b) Perl_my_sigismember(a,b)
187 #define my_sigprocmask(a,b,c) Perl_my_sigprocmask(a,b,c)
189 # define my_symlink(a,b) Perl_my_symlink(aTHX_ a,b)
191 #define my_time(a) Perl_my_time(aTHX_ a)
192 #define my_tmpfile Perl_my_tmpfile
193 #define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c)
194 #define my_utime(a,b) Perl_my_utime(aTHX_ a,b)
195 #define my_vfork Perl_my_vfork
196 #define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c)
197 #define pathify_dirspec(a,b) Perl_pathify_dirspec(aTHX a,b)
198 #define pathify_dirspec_ts(a,b) Perl_pathify_dirspec_ts(aTHX a,b)
199 #define pathify_dirspec_utf8(a,b,c) Perl_pathify_dirspec_utf8(aTHX a,b,c)
200 #define pathify_dirspec_utf8_ts(a,b,c) Perl_pathify_dirspec_utf8_ts(aTHX a,b,c)
201 #define prime_env_iter Perl_prime_env_iter
202 #define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c)
203 #define rmsexpand(a,b,c,d) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,NULL,NULL)
204 #define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,NULL,NULL)
205 #define rmsexpand_utf8(a,b,c,d,e,f) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,e,f)
206 #define rmsexpand_utf8_ts(a,b,c,d,e,f) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,e,f)
207 #define tounixpath(a,b) Perl_tounixpath_utf8(aTHX_ a,b,NULL)
208 #define tounixpath_ts(a,b) Perl_tounixpath_utf8_ts(aTHX_ a,b,NULL)
209 #define tounixpath_utf8(a,b,c) Perl_tounixpath_utf8(aTHX_ a,b,c)
210 #define tounixpath_utf8_ts(a,b,c) Perl_tounixpath_utf8_ts(aTHX_ a,b,c)
211 #define tounixspec(a,b) Perl_tounixspec_utf8(aTHX_ a,b,NULL)
212 #define tounixspec_ts(a,b) Perl_tounixspec_utf8_ts(aTHX_ a,b,NULL)
213 #define tounixspec_utf8(a,b,c) Perl_tounixspec_utf8(aTHX_ a,b,c)
214 #define tounixspec_utf8_ts(a,b,c) Perl_tounixspec_utf8_ts(aTHX_ a,b,c)
215 #define tovmspath(a,b) Perl_tovmspath_utf8(aTHX_ a,b,NULL)
216 #define tovmspath_ts(a,b) Perl_tovmspath_utf8_ts(aTHX_ a,b,NULL)
217 #define tovmspath_utf8(a,b,c) Perl_tovmspath_utf8(aTHX_ a,b,c)
218 #define tovmspath_utf8_ts(a,b,c) Perl_tovmspath_utf8_ts(aTHX_ a,b,c)
219 #define tovmsspec(a,b) Perl_tovmsspec_utf8(aTHX_ a,b,NULL)
220 #define tovmsspec_ts(a,b) Perl_tovmsspec_utf8_ts(aTHX_ a,b)
221 #define tovmsspec_utf8(a,b,c) Perl_tovmsspec_utf8(aTHX_ a,b,c)
222 #define tovmsspec_utf8_ts(a,b,c) Perl_tovmsspec_utf8_ts(aTHX_ a,b,c)
223 #define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c)
224 #define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c)
225 #define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a)
226 #define vms_case_tolerant(a) Perl_vms_case_tolerant(a)
227 #define vms_image_init(a,b) Perl_vms_image_init(a,b)
228 #define vms_realname(a,b,c) Perl_vms_realname(aTHX_ a,b,c)
229 #define vms_realpath(a,b,c) Perl_vms_realpath(aTHX_ a,b,c)
230 #define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c)
231 #define vmstrnenv(a,b,c,d,e) Perl_vmstrnenv(a,b,c,d,e)
233 /* Delete if at all possible, changing protections if necessary. */
234 #define unlink(a) kill_file(a)
237 * Intercept calls to fork, so we know whether subsequent calls to
238 * exec should be handled in VMSish or Unixish style.
240 #define fork my_vfork
241 #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
245 # define vfork my_vfork
249 * Toss in a shim to tmpfile which creates a plain temp file if the
250 * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs
251 * from a specific directory to permit creation of files).
253 #ifndef DONT_MASK_RTL_CALLS
254 # define tmpfile Perl_my_tmpfile
259 * This symbol is defined if Time_t is an unsigned type on this system.
264 * This symbol, if defined, indicates that error messages should be
265 * should be generated in a format that allows the use of the Acme
266 * GUI/editor's autofind feature.
268 #undef ACME_MESS /**/
270 /* ALTERNATE_SHEBANG:
271 * This symbol, if defined, contains a "magic" string which may be used
272 * as the first line of a Perl program designed to be executed directly
273 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
274 * begins with a character other then #, then Perl will only treat
275 * it as a command line if if finds the string "perl" in the first
276 * word; otherwise it's treated as the first line of code in the script.
277 * (IOW, Perl won't hand off to another interpreter via an alternate
278 * shebang sequence that might be legal Perl code.)
280 #define ALTERNATE_SHEBANG "$"
282 /* Lower case entry points for these are missing in some earlier RTLs
283 * so we borrow the defines and declares from errno.h and upcase them.
285 #if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 50500000)
286 # define errno (*CMA$TIS_ERRNO_GET_ADDR())
287 # define vaxc$errno (*CMA$TIS_VMSERRNO_GET_ADDR())
288 int *CMA$TIS_ERRNO_GET_ADDR (void); /* UNIX style error code */
289 int *CMA$TIS_VMSERRNO_GET_ADDR (void); /* VMS error (errno == EVMSERR) */
292 /* Macros to set errno using the VAX thread-safe calls, if present */
293 #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
294 # define set_errno(v) (cma$tis_errno_set_value(v))
295 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
296 # define set_vaxc_errno(v) (vaxc$errno = (v))
298 # define set_errno(v) (errno = (v))
299 # define set_vaxc_errno(v) (vaxc$errno = (v))
302 /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
304 #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
306 #define HINT_V_VMSISH 24
307 #define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */
308 #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */
309 #define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */
311 #ifdef PERL_IMPLICIT_CONTEXT
312 # define TEST_VMSISH(h) (my_perl && PL_curcop && (PL_curcop->op_private & ((h) >> HINT_V_VMSISH)))
314 # define TEST_VMSISH(h) (PL_curcop && (PL_curcop->op_private & ((h) >> HINT_V_VMSISH)))
316 #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
317 #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
319 /* VMS-specific data storage */
321 #define HAVE_INTERP_INTERN
322 struct interp_intern {
327 #define VMSISH_HUSHED (PL_sys_intern.hushed)
328 #define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max)
329 #define MY_POSIX_EXIT (PL_sys_intern.posix_exit)
331 /* Flags for vmstrnenv() */
332 #define PERL__TRNENV_SECURE 0x01
333 #define PERL__TRNENV_JOIN_SEARCHLIST 0x02
335 /* Handy way to vet calls to VMS system services and RTL routines. */
336 #define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \
337 if (!((__ckvms_sts=(call))&1)) { \
338 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
339 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \
340 __ckvms_sts,__FILE__,__LINE__); } } STMT_END
342 /* Same thing, but don't call back to Perl's croak(); useful for errors
343 * occurring during startup, before Perl's state is initialized */
344 #define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \
345 if (!((__ckvms_sts=(call))&1)) { \
346 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
347 fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \
348 __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END
350 #ifdef VMS_DO_SOCKETS
351 #include "sockadapt.h"
352 #define PERL_SOCK_SYSREAD_IS_RECV
353 #define PERL_SOCK_SYSWRITE_IS_SEND
356 #if __CRTL_VER < 70000000
357 #define BIT_BUCKET "_NLA0:"
359 #define BIT_BUCKET "/dev/null"
361 #define PERL_SYS_INIT_BODY(c,v) MALLOC_CHECK_TAINT2(*c,*v) vms_image_init((c),(v)); PERLIO_INIT; MALLOC_INIT
362 #define PERL_SYS_TERM_BODY() HINTS_REFCNT_TERM; OP_REFCNT_TERM; PERLIO_TERM; MALLOC_TERM
368 # define PERL_FS_VER_FMT "%d_%d_%d"
370 #define PERL_FS_VERSION STRINGIFY(PERL_REVISION) "_" \
371 STRINGIFY(PERL_VERSION) "_" \
372 STRINGIFY(PERL_SUBVERSION)
373 /* Temporary; we need to add support for this to Configure.Com */
374 #ifdef PERL_INC_VERSION_LIST
375 # undef PERL_INC_VERSION_LIST
379 * This symbol, if defined, indicates that the program is running under
380 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
381 * Just in case, however . . . */
382 /* Note that code really should be using __VMS to comply with ANSI */
388 * This symbol, if defined, indicates that the ioctl() routine is
389 * available to set I/O characteristics
391 #if defined(__CRTL_VER) && __CRTL_VER >= 70000000
392 #define HAS_IOCTL /**/
394 #undef HAS_IOCTL /**/
398 * This symbol, if defined, indicates that the routine utime() is
399 * available to update the access and modification times of files.
401 #define HAS_UTIME /**/
404 * This symbol, if defined, indicates that the getgrnam() and
405 * getgrgid() routines are available to get group entries.
406 * The getgrent() has a separate definition, HAS_GETGRENT.
408 #if __CRTL_VER >= 70302000
409 #define HAS_GROUP /**/
411 #undef HAS_GROUP /**/
415 * This symbol, if defined, indicates that the getpwnam() and
416 * getpwuid() routines are available to get password entries.
417 * The getpwent() has a separate definition, HAS_GETPWENT.
419 #define HAS_PASSWD /**/
425 * This symbol, if defined, indicates that the program should
426 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
427 * that a file is in "binary" mode -- that is, that no translation
428 * of bytes occurs on read or write operations.
433 * This symbol holds the type used to declare buffers for information
434 * returned by stat(). It's usually just struct stat. It may be necessary
435 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
439 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS
440 * is in effect, since Perl's thread.h embeds one of these structs in its
441 * thread data struct, and our struct mystat is a different size from the
442 * regular struct stat (cf. note above about having to pad struct to work
443 * around bug in compiler.)
444 * It's OK to pass one of these to the RTL's stat(), though, since the
445 * fields it fills are the same in each struct.
447 #define Stat_t struct mystat
450 * This symbol is defined if this system has a stat structure declaring
452 * VMS: Field exists in POSIXish version of struct stat(), but is not used.
454 * No definition of what value an operating system or file system should
455 * put in the st_rdev field has been found by me so far. Examination of
456 * LINUX source code indicates that the value is both very platform and
457 * file system specific, with many filesystems just putting 1 or 0 in it.
460 #undef USE_STAT_RDEV /**/
463 * fwrite1() should be a routine with the same calling sequence as fwrite(),
464 * but which outputs all of the bytes requested as a single stream (unlike
465 * fwrite() itself, which on some systems outputs several distinct records
466 * if the number_of_items parameter is >1).
468 #define fwrite1 my_fwrite
471 #ifndef DONT_MASK_RTL_CALLS
472 # define fwrite my_fwrite /* for PerlSIO_fwrite */
473 # define fdopen my_fdopen
474 # define fclose my_fclose
475 # define fgetname(a, b) my_fgetname(a, b)
477 # define symlink my_symlink
482 /* By default, flush data all the way to disk, not just to RMS buffers */
483 #define Fflush(fp) my_flush(fp)
485 /* Use our own rmdir() */
486 #ifndef DONT_MASK_RTL_CALLS
487 #define rmdir(name) do_rmdir(name)
490 /* Assorted fiddling with sigs . . . */
492 #define ABORT() abort()
497 /* Used with our my_utime() routine in vms.c */
503 #ifndef DONT_MASK_RTL_CALLS
504 #define utime my_utime
507 /* This is what times() returns, but <times.h> calls it tbuffer_t on VMS
508 * prior to v7.0. We check the DECC manifest to see whether it's already
509 * done this for us, relying on the fact that perl.h #includes <time.h>
510 * before it #includes "vmsish.h".
515 clock_t tms_utime; /* user time */
516 clock_t tms_stime; /* system time - always 0 on VMS */
517 clock_t tms_cutime; /* user time, children */
518 clock_t tms_cstime; /* system time, children - always 0 on VMS */
521 /* The new headers change the times() prototype to tms from tbuffer */
522 # define tbuffer_t struct tms
525 /* Substitute our own routines for gmtime(), localtime(), and time(),
526 * which allow us to implement the vmsish 'time' pragma, and work
527 * around absence of system-level UTC support on old versions of VMS.
529 #define gmtime(t) my_gmtime(t)
530 #define localtime(t) my_localtime(t)
531 #define time(t) my_time(t)
533 /* If we're using an older version of VMS whose Unix signal emulation
534 * isn't very POSIXish, then roll our own.
536 #if __VMS_VER < 70000000 || __DECC_VER < 50200000
537 # define HOMEGROWN_POSIX_SIGNALS
539 #ifdef HOMEGROWN_POSIX_SIGNALS
540 # define sigemptyset(t) my_sigemptyset(t)
541 # define sigfillset(t) my_sigfillset(t)
542 # define sigaddset(t, u) my_sigaddset(t, u)
543 # define sigdelset(t, u) my_sigdelset(t, u)
544 # define sigismember(t, u) my_sigismember(t, u)
545 # define sigprocmask(t, u, v) my_sigprocmask(t, u, v)
547 typedef int sigset_t;
549 /* The tools for sigprocmask() are there, just not the routine itself */
551 # define SIG_UNBLOCK 1
557 # define SIG_SETMASK 3
559 # define sigaction sigvec
560 # define sa_flags sv_onstack
561 # define sa_handler sv_handler
562 # define sa_mask sv_mask
563 # define sigsuspend(set) sigpause(*set)
564 # define sigpending(a) (not_here("sigpending"),0)
567 * The C RTL's sigaction fails to check for invalid signal numbers so we
570 # ifndef DONT_MASK_RTL_CALLS
571 # define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c)
574 #ifdef KILL_BY_SIGPRC
575 # define kill Perl_my_kill
579 /* VMS doesn't use a real sys_nerr, but we need this when scanning for error
580 * messages in text strings . . .
583 #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
585 /* Look up new %ENV values on the fly */
586 #define DYNAMIC_ENV_FETCH 1
587 /* Special getenv function for retrieving %ENV elements. */
588 #define ENVgetenv(v) my_getenv(v,FALSE)
589 #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE)
592 /* Thin jacket around cuserid() to match Unix' calling sequence */
593 #define getlogin my_getlogin
595 /* Ditto for sys$hash_password() . . . */
596 #define crypt(a,b) Perl_my_crypt(aTHX_ a,b)
598 /* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */
599 #define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode))
600 #define Chdir(dir) my_chdir((dir))
601 #ifndef DONT_MASK_RTL_CALLS
602 #define chmod(file_spec, mode) my_chmod((file_spec), (mode))
605 /* Use our own stat() clones, which handle Unix-style directory names */
606 #define Stat(name,bufptr) flex_stat(name,bufptr)
607 #define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr)
608 #ifndef DONT_MASK_RTL_CALLS
609 #define lstat(name, bufptr) flex_lstat(name, bufptr)
612 /* Setup for the dirent routines:
613 * opendir(), closedir(), readdir(), seekdir(), telldir(), and
614 * vmsreaddirversions(), and preprocessor stuff on which these depend:
615 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
619 /* Flags for the _dirdesc structure */
620 #define PERL_VMSDIR_M_VERSIONS 0x02 /* Want VMS versions */
621 #define PERL_VMSDIR_M_UNIXSPECS 0x04 /* Want UNIX specifications */
624 /* Data structure returned by READDIR(). */
626 char d_name[256]; /* File name */
627 int d_namlen; /* Length of d_name */
628 int vms_verscount; /* Number of versions */
629 int vms_versions[20]; /* Version numbers */
632 /* Handle returned by opendir(), used by the other routines. You
633 * are not supposed to care what's inside this structure. */
634 typedef struct _dirdesc {
637 unsigned long int count;
640 struct dsc$descriptor_s pat;
645 #define rewinddir(dirp) seekdir((dirp), 0)
647 /* used for our emulation of getpw* */
649 char *pw_name; /* Username */
651 Uid_t pw_uid; /* UIC member number */
652 Gid_t pw_gid; /* UIC group number */
653 char *pw_comment; /* Default device/directory (Unix-style) */
654 char *pw_gecos; /* Owner */
655 char *pw_dir; /* Default device/directory (VMS-style) */
656 char *pw_shell; /* Default CLI name (eg. DCL) */
658 #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
659 #define getpwnam my_getpwnam
660 #define getpwuid my_getpwuid
661 #define getpwent my_getpwent
662 #define endpwent my_endpwent
663 #define setpwent my_endpwent
665 /* Our own stat_t substitute, since we play with st_dev and st_ino -
666 * we want atomic types so Unix-bound code which compares these fields
667 * for two files will work most of the time under VMS.
668 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
669 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
670 * to map the unsigned int we want and the unsigned short[3] the CRTL
671 * returns into the same member, since gcc has different ideas than DECC
672 * and VAXC about sizing union types.
673 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the
676 /* First, grab the system types, so we don't clobber them later */
678 /* Since we've got to match the size of the CRTL's stat_t, we need
679 * to mimic DECC's alignment settings.
681 * The simplest thing is to just put a wrapper around the stat structure
682 * supplied by the CRTL and use #defines to redirect references to the
683 * members to the real names.
686 #if defined(__DECC) || defined(__DECCXX)
687 # pragma __member_alignment __save
688 # pragma member_alignment
691 typedef unsigned mydev_t;
693 typedef unsigned myino_t;
695 typedef __ino64_t myino_t;
700 struct stat crtl_stat;
703 unsigned rvn; /* FID (num,seq,rvn) + pad */
706 char st_devnam[256]; /* Cache the (short) VMS name */
709 #define st_mode crtl_stat.st_mode
710 #define st_nlink crtl_stat.st_nlink
711 #define st_uid crtl_stat.st_uid
712 #define st_gid crtl_stat.st_gid
713 #define st_rdev crtl_stat.st_rdev
714 #define st_size crtl_stat.st_size
715 #define st_atime crtl_stat.st_atime
716 #define st_mtime crtl_stat.st_mtime
717 #define st_ctime crtl_stat.st_ctime
718 #define st_fab_rfm crtl_stat.st_fab_rfm
719 #define st_fab_rat crtl_stat.st_fab_rat
720 #define st_fab_fsz crtl_stat.st_fab_fsz
721 #define st_fab_mrs crtl_stat.st_fab_mrs
724 #define VMS_INO_T_COMPARE(__a, __b) (__a != __b)
725 #define VMS_INO_T_COPY(__a, __b) __a = __b
727 #define VMS_INO_T_COMPARE(__a, __b) memcmp(&__a, &__b, 6)
728 #define VMS_INO_T_COPY(__a, __b) memcpy(&__a, &__b, 6)
731 #if defined(__DECC) || defined(__DECCXX)
732 # pragma __member_alignment __restore
736 * DEC C previous to 6.0 corrupts the behavior of the /prefix
737 * qualifier with the extern prefix pragma. This provisional
738 * hack circumvents this prefix pragma problem in previous
741 #if defined(__VMS_VER) && __VMS_VER >= 70000000
742 # if defined(VMS_WE_ARE_CASE_SENSITIVE) && (__DECC_VER < 60000000)
743 # pragma __extern_prefix save
744 # pragma __extern_prefix "" /* set to empty to prevent prefixing */
745 # define geteuid decc$__unix_geteuid
746 # define getuid decc$__unix_getuid
747 # define stat(__p1,__p2) decc$__utc_stat(__p1,__p2)
748 # define fstat(__p1,__p2) decc$__utc_fstat(__p1,__p2)
749 # pragma __extern_prefix restore
753 #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
758 # define dev_t mydev_t
759 # define ino_t myino_t
761 /* Cons up a 'delete' bit for testing access */
762 #define S_IDUSR (S_IWUSR | S_IXUSR)
763 #define S_IDGRP (S_IWGRP | S_IXGRP)
764 #define S_IDOTH (S_IWOTH | S_IXOTH)
767 /* Prototypes for functions unique to vms.c. Don't include replacements
768 * for routines in the mainline source files excluded by #ifndef VMS;
769 * their prototypes are already in proto.h.
771 * In order to keep Gen_ShrFls.Pl happy, functions which are to be made
772 * available to images linked to PerlShr.Exe must be declared between the
773 * __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
774 * <data type><TAB>name<WHITESPACE>(<prototype args>);
777 #ifdef NO_PERL_TYPEDEFS
778 /* We don't have Perl typedefs available (e.g. when building a2p), so
779 we fake them here. N.B. There is *no* guarantee that the faked
780 prototypes will actually match the real routines. If you want to
781 call Perl routines, include perl.h to get the real typedefs. */
784 # define __MY_BOOL_TYPE_FAKE
788 # define __MY_I32_TYPE_FAKE
791 # define SV void /* Since we only see SV * in prototypes */
792 # define __MY_SV_TYPE_FAKE
796 void prime_env_iter (void);
797 void init_os_extras (void);
798 int Perl_vms_status_to_unix(int vms_status, int child_flag);
799 int Perl_unix_status_to_vms(int unix_status);
800 /* prototype section start marker; `typedef' passes through cpp */
801 typedef char __VMS_PROTOTYPES__;
802 int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int);
803 char * Perl_vms_realpath (pTHX_ const char *, char *, int *);
804 char * Perl_my_getenv (pTHX_ const char *, bool);
805 int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int);
806 char * Perl_tounixspec (pTHX_ const char *, char *);
807 char * Perl_tounixspec_ts (pTHX_ const char *, char *);
808 char * Perl_tounixspec_utf8 (pTHX_ const char *, char *, int *);
809 char * Perl_tounixspec_utf8_ts (pTHX_ const char *, char *, int *);
810 char * Perl_tovmsspec (pTHX_ const char *, char *);
811 char * Perl_tovmsspec_ts (pTHX_ const char *, char *);
812 char * Perl_tovmsspec_utf8 (pTHX_ const char *, char *, int *);
813 char * Perl_tovmsspec_utf8_ts (pTHX_ const char *, char *, int *);
814 char * Perl_tounixpath (pTHX_ const char *, char *);
815 char * Perl_tounixpath_ts (pTHX_ const char *, char *);
816 char * Perl_tounixpath_utf8 (pTHX_ const char *, char *, int *);
817 char * Perl_tounixpath_utf8_ts (pTHX_ const char *, char *, int *);
818 char * Perl_tovmspath (pTHX_ const char *, char *);
819 char * Perl_tovmspath_ts (pTHX_ const char *, char *);
820 char * Perl_tovmspath_utf8 (pTHX_ const char *, char *, int *);
821 char * Perl_tovmspath_utf8_ts (pTHX_ const char *, char *, int *);
822 int Perl_do_rmdir (pTHX_ const char *);
823 char * Perl_fileify_dirspec (pTHX_ const char *, char *);
824 char * Perl_fileify_dirspec_ts (pTHX_ const char *, char *);
825 char * Perl_fileify_dirspec_utf8 (pTHX_ const char *, char *, int *);
826 char * Perl_fileify_dirspec_utf8_ts (pTHX_ const char *, char *, int *);
827 char * Perl_pathify_dirspec (pTHX_ const char *, char *);
828 char * Perl_pathify_dirspec_ts (pTHX_ const char *, char *);
829 char * Perl_pathify_dirspec_utf8 (pTHX_ const char *, char *, int *);
830 char * Perl_pathify_dirspec_utf8_ts (pTHX_ const char *, char *, int *);
831 char * Perl_rmsexpand (pTHX_ const char *, char *, const char *, unsigned);
832 char * Perl_rmsexpand_ts (pTHX_ const char *, char *, const char *, unsigned);
833 char * Perl_rmsexpand_utf8 (pTHX_ const char *, char *, const char *, unsigned, int *, int *);
834 char * Perl_rmsexpand_utf8_ts (pTHX_ const char *, char *, const char *, unsigned, int *, int *);
835 int Perl_trim_unixpath (pTHX_ char *, const char*, int);
836 DIR * Perl_opendir (pTHX_ const char *);
837 int Perl_rename (pTHX_ const char *, const char *);
838 int Perl_rmscopy (pTHX_ const char *, const char *, int);
839 int Perl_my_mkdir (pTHX_ const char *, Mode_t);
840 bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **);
841 int Perl_vms_case_tolerant(void);
842 char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool);
843 int Perl_vmssetenv (pTHX_ const char *, const char *, struct dsc$descriptor_s **);
844 void Perl_vmssetuserlnm(pTHX_ const char *name, const char *eqv);
845 char * Perl_my_crypt (pTHX_ const char *, const char *);
846 Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int);
847 char * my_gconvert (double, int, int, char *);
848 int Perl_kill_file (pTHX_ const char *);
849 int Perl_my_chdir (pTHX_ const char *);
850 int Perl_my_chmod(pTHX_ const char *, mode_t);
851 FILE * Perl_my_tmpfile (void);
852 #ifndef HOMEGROWN_POSIX_SIGNALS
853 int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*);
855 #ifdef KILL_BY_SIGPRC
856 unsigned int Perl_sig_to_vmscondition (int);
857 int Perl_my_kill (int, int);
858 void Perl_csighandler_init (void);
860 int Perl_my_utime (pTHX_ const char *, const struct utimbuf *);
861 void Perl_vms_image_init (int *, char ***);
862 struct dirent * Perl_readdir (pTHX_ DIR *);
863 int Perl_readdir_r(pTHX_ DIR *, struct dirent *, struct dirent **);
864 long Perl_telldir (DIR *);
865 void Perl_seekdir (pTHX_ DIR *, long);
866 void Perl_closedir (DIR *);
867 void vmsreaddirversions (DIR *, int);
868 struct tm * Perl_my_gmtime (pTHX_ const time_t *);
869 struct tm * Perl_my_localtime (pTHX_ const time_t *);
870 time_t Perl_my_time (pTHX_ time_t *);
871 #ifdef HOMEGROWN_POSIX_SIGNALS
872 int my_sigemptyset (sigset_t *);
873 int my_sigfillset (sigset_t *);
874 int my_sigaddset (sigset_t *, int);
875 int my_sigdelset (sigset_t *, int);
876 int my_sigismember (sigset_t *, int);
877 int my_sigprocmask (int, sigset_t *, sigset_t *);
879 I32 Perl_cando_by_name (pTHX_ I32, bool, const char *);
880 int Perl_flex_fstat (pTHX_ int, Stat_t *);
881 int Perl_flex_lstat (pTHX_ const char *, Stat_t *);
882 int Perl_flex_stat (pTHX_ const char *, Stat_t *);
884 bool Perl_vms_do_exec (pTHX_ const char *);
885 FILE * my_fdopen (int, const char *);
886 int my_fclose (FILE *);
887 int my_fwrite (const void *, size_t, size_t, FILE *);
888 char * Perl_my_fgetname (FILE *fp, char *buf);
890 int Perl_my_symlink(pTHX_ const char *path1, const char *path2);
892 int Perl_my_flush (pTHX_ FILE *);
893 struct passwd * Perl_my_getpwnam (pTHX_ const char *name);
894 struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid);
895 void Perl_my_endpwent (pTHX);
896 char * my_getlogin (void);
897 typedef char __VMS_SEPYTOTORP__;
898 /* prototype section end marker; `typedef' passes through cpp */
900 #ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */
901 # ifdef __MY_BOOL_TYPE_FAKE
903 # undef __MY_BOOL_TYPE_FAKE
905 # ifdef __MY_I32_TYPE_FAKE
907 # undef __MY_I32_TYPE_FAKE
909 # ifdef __MY_SV_TYPE_FAKE
911 # undef __MY_SV_TYPE_FAKE
915 #ifndef VMS_DO_SOCKETS
916 /* This relies on tricks in perl.h to pick up that these manifest constants
917 * are undefined and set up conversion routines. It will then redefine
918 * these manifest constants, so the actual values will match config.h
926 /* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */
927 #if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000
931 #define NO_ENVIRON_ARRAY
933 /* RMSEXPAND options */
934 #define PERL_RMSEXPAND_M_VMS 0x02 /* Force output to VMS format */
935 #define PERL_RMSEXPAND_M_LONG 0x04 /* Expand to long name format */
936 #define PERL_RMSEXPAND_M_VMS_IN 0x08 /* Assume input is VMS already */
937 #define PERL_RMSEXPAND_M_SYMLINK 0x20 /* Use symbolic link, not target */
939 #endif /* __vmsish_h_included */