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$errno are */
20 #include <ssdef.h> /* explicitly set in the perl source code */
21 #include <stsdef.h> /* bitmasks for exit status testing */
23 /* Suppress compiler warnings from DECC for VMS-specific extensions:
24 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
25 * (e.g. pointer fields of descriptors)
28 # pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT)
31 # pragma message informational (INTSIGNCHANGE,CASTQUALTYP,ASSCOMMEA,NOCTOBUTCONREFM,MISSINGRETURN)
34 /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
38 #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040)
42 #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040)
44 /* Assorted things to look like Unix */
45 #include <processes.h> /* for vfork() */
48 #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
49 #if (defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000) || defined(__DECCXX)
50 # include <unistd.h> /* DECC has this; gcc doesn't */
53 #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
54 # define DONT_MASK_RTL_CALLS
59 /* Set the maximum filespec size here as it is larger for EFS file
64 #define VMS_MAXRSS (NAML$C_MAXRSS+1)
65 #ifndef VMS_LONGNAME_SUPPORT
66 #define VMS_LONGNAME_SUPPORT 1
67 #endif /* VMS_LONGNAME_SUPPORT */
68 #endif /* NAML$C_MAXRSS */
69 #endif /* VMS_MAXRSS */
72 #define VMS_MAXRSS (NAM$C_MAXRSS + 1)
76 #define MAXPATHLEN (VMS_MAXRSS - 1)
80 /* Note that we do, in fact, have this */
82 #define HAS_GETENV_LEN
87 #ifndef DONT_MASK_RTL_CALLS
91 /* getenv used for regular logical names */
92 # define getenv(v) Perl_my_getenv(aTHX_ v,TRUE)
97 #define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE)
99 /* DECC introduces this routine in the RTL as of VMS 7.0; for now,
100 * we'll use ours, since it gives us the full VMS exit status. */
101 #define waitpid my_waitpid
103 /* Don't redeclare standard RTL routines in Perl's header files;
104 * VMS history or extensions makes some of the formal protoypes
105 * differ from the common Unix forms.
107 #define DONT_DECLARE_STD 1
109 /* Our own contribution to PerlShr's global symbols . . . */
111 #if !defined(PERL_IMPLICIT_CONTEXT)
112 #define opendir Perl_opendir
113 #define rename Perl_rename
114 #define seekdir Perl_seekdir
115 #define readdir Perl_readdir
116 #define readdir_r Perl_readdir_r
118 #define opendir(a) Perl_opendir(aTHX_ a)
119 #define rename(a,b) Perl_rename(aTHX_ a,b)
120 #define seekdir(a,b) Perl_seekdir(aTHX_ a,b)
121 #define readdir(a) Perl_readdir(aTHX_ a)
122 #define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c)
124 #define closedir(a) Perl_closedir(a)
125 #define telldir(a) Perl_telldir(a)
126 #define vmsreaddirversions(a,b) Perl_vmsreaddirversions(a,b)
128 #define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c)
129 #define do_rmdir(a) Perl_do_rmdir(aTHX_ a)
130 #define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
131 #define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
132 #define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
133 #define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
134 #define fileify_dirspec_utf8(a,b,c) Perl_fileify_dirspec(aTHX_ a,b,utf8)
135 #define fileify_dirspec_utf8_ts(a,b,c) Perl_fileify_dirspec_ts(aTHX_ a,b,utf8)
136 #define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b)
137 #define flex_lstat(a,b) Perl_flex_lstat(aTHX_ a,b)
138 #define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b)
139 #define init_os_extras Perl_init_os_extras
140 #define kill_file(a) Perl_kill_file(aTHX_ a)
141 #define my_chdir(a) Perl_my_chdir(aTHX_ a)
142 #define my_chmod(a,b) Perl_my_chmod(aTHX_ a,b)
143 #define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b)
144 #define my_endpwent() Perl_my_endpwent(aTHX)
145 #define my_fclose(a) Perl_my_fclose(a)
146 #define my_fdopen(a,b) Perl_my_fdopen(a,b)
147 #define my_flush(a) Perl_my_flush(aTHX_ a)
148 #define my_fwrite(a,b,c,d) Perl_my_fwrite(a,b,c,d)
149 #define my_fgetname(a,b) Perl_my_fgetname(a,b)
150 #define my_gconvert(a,b,c,d) Perl_my_gconvert(a,b,c,d)
151 #define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b)
152 #define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c)
153 #define my_getpwent() Perl_my_getpwent(aTHX)
154 #define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a)
155 #define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a)
156 #define my_gmtime(a) Perl_my_gmtime(aTHX_ a)
157 #define my_localtime(a) Perl_my_localtime(aTHX_ a)
158 #define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b)
160 # define my_symlink(a,b) Perl_my_symlink(aTHX_ a,b)
162 #define my_time(a) Perl_my_time(aTHX_ a)
163 #define my_tmpfile Perl_my_tmpfile
164 #define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c)
165 #define my_utime(a,b) Perl_my_utime(aTHX_ a,b)
166 #define my_vfork Perl_my_vfork
167 #define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c)
168 #define pathify_dirspec(a,b) Perl_pathify_dirspec(aTHX a,b)
169 #define pathify_dirspec_ts(a,b) Perl_pathify_dirspec_ts(aTHX a,b)
170 #define pathify_dirspec_utf8(a,b,c) Perl_pathify_dirspec_utf8(aTHX a,b,c)
171 #define pathify_dirspec_utf8_ts(a,b,c) Perl_pathify_dirspec_utf8_ts(aTHX a,b,c)
172 #define prime_env_iter Perl_prime_env_iter
173 #define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c)
174 #define rmsexpand(a,b,c,d) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,NULL,NULL)
175 #define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,NULL,NULL)
176 #define rmsexpand_utf8(a,b,c,d,e,f) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,e,f)
177 #define rmsexpand_utf8_ts(a,b,c,d,e,f) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,e,f)
178 #define tounixpath(a,b) Perl_tounixpath_utf8(aTHX_ a,b,NULL)
179 #define tounixpath_ts(a,b) Perl_tounixpath_utf8_ts(aTHX_ a,b,NULL)
180 #define tounixpath_utf8(a,b,c) Perl_tounixpath_utf8(aTHX_ a,b,c)
181 #define tounixpath_utf8_ts(a,b,c) Perl_tounixpath_utf8_ts(aTHX_ a,b,c)
182 #define tounixspec(a,b) Perl_tounixspec_utf8(aTHX_ a,b,NULL)
183 #define tounixspec_ts(a,b) Perl_tounixspec_utf8_ts(aTHX_ a,b,NULL)
184 #define tounixspec_utf8(a,b,c) Perl_tounixspec_utf8(aTHX_ a,b,c)
185 #define tounixspec_utf8_ts(a,b,c) Perl_tounixspec_utf8_ts(aTHX_ a,b,c)
186 #define tovmspath(a,b) Perl_tovmspath_utf8(aTHX_ a,b,NULL)
187 #define tovmspath_ts(a,b) Perl_tovmspath_utf8_ts(aTHX_ a,b,NULL)
188 #define tovmspath_utf8(a,b,c) Perl_tovmspath_utf8(aTHX_ a,b,c)
189 #define tovmspath_utf8_ts(a,b,c) Perl_tovmspath_utf8_ts(aTHX_ a,b,c)
190 #define tovmsspec(a,b) Perl_tovmsspec_utf8(aTHX_ a,b,NULL)
191 #define tovmsspec_ts(a,b) Perl_tovmsspec_utf8_ts(aTHX_ a,b)
192 #define tovmsspec_utf8(a,b,c) Perl_tovmsspec_utf8(aTHX_ a,b,c)
193 #define tovmsspec_utf8_ts(a,b,c) Perl_tovmsspec_utf8_ts(aTHX_ a,b,c)
194 #define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c)
195 #define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c)
196 #define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a)
197 #define vms_case_tolerant(a) Perl_vms_case_tolerant(a)
198 #define vms_image_init(a,b) Perl_vms_image_init(a,b)
199 #define vms_realname(a,b,c) Perl_vms_realname(aTHX_ a,b,c)
200 #define vms_realpath(a,b,c) Perl_vms_realpath(aTHX_ a,b,c)
201 #define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c)
202 #define vmstrnenv(a,b,c,d,e) Perl_vmstrnenv(a,b,c,d,e)
203 #define vmssetuserlnm(a,b) Perl_vmssetuserlnm(a,b)
205 /* Delete if at all possible, changing protections if necessary. */
206 #define unlink(a) kill_file(a)
209 * Intercept calls to fork, so we know whether subsequent calls to
210 * exec should be handled in VMSish or Unixish style.
212 #define fork my_vfork
213 #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
217 # define vfork my_vfork
221 * Toss in a shim to tmpfile which creates a plain temp file if the
222 * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs
223 * from a specific directory to permit creation of files).
225 #ifndef DONT_MASK_RTL_CALLS
226 # define tmpfile Perl_my_tmpfile
232 * This symbol is defined if Time_t is an unsigned type on this system.
237 * This symbol, if defined, indicates that error messages should be
238 * should be generated in a format that allows the use of the Acme
239 * GUI/editor's autofind feature.
241 #undef ACME_MESS /**/
243 /* ALTERNATE_SHEBANG:
244 * This symbol, if defined, contains a "magic" string which may be used
245 * as the first line of a Perl program designed to be executed directly
246 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
247 * begins with a character other then #, then Perl will only treat
248 * it as a command line if if finds the string "perl" in the first
249 * word; otherwise it's treated as the first line of code in the script.
250 * (IOW, Perl won't hand off to another interpreter via an alternate
251 * shebang sequence that might be legal Perl code.)
253 #define ALTERNATE_SHEBANG "$"
255 /* Macros to set errno using the VAX thread-safe calls, if present */
256 #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
257 # define set_errno(v) (cma$tis_errno_set_value(v))
258 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
259 # define set_vaxc_errno(v) (vaxc$errno = (v))
261 # define set_errno(v) (errno = (v))
262 # define set_vaxc_errno(v) (vaxc$errno = (v))
265 /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
267 #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
269 #define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */
270 #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */
272 #ifdef PERL_IMPLICIT_CONTEXT
273 # define TEST_VMSISH(h) (my_perl && PL_curcop && (PL_curcop->cop_hints & (h)))
275 # define TEST_VMSISH(h) (PL_curcop && (PL_curcop->cop_hints & (h)))
277 #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
278 #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
280 /* VMS-specific data storage */
282 #define HAVE_INTERP_INTERN
283 struct interp_intern {
288 #define VMSISH_HUSHED (PL_sys_intern.hushed)
289 #define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max)
290 #define MY_POSIX_EXIT (PL_sys_intern.posix_exit)
292 /* Flags for vmstrnenv() */
293 #define PERL__TRNENV_SECURE 0x01
294 #define PERL__TRNENV_JOIN_SEARCHLIST 0x02
296 /* Handy way to vet calls to VMS system services and RTL routines. */
297 #define _ckvmssts(call) STMT_START { unsigned long int __ckvms_sts; \
298 if (!((__ckvms_sts=(call))&1)) { \
299 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
300 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \
301 __ckvms_sts,__FILE__,__LINE__); } } STMT_END
303 /* Same thing, but don't call back to Perl's croak(); useful for errors
304 * occurring during startup, before Perl's state is initialized */
305 #define _ckvmssts_noperl(call) STMT_START { unsigned long int __ckvms_sts; \
306 if (!((__ckvms_sts=(call))&1)) { \
307 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
308 (void)fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \
309 __ckvms_sts,__FILE__,__LINE__); (void)lib$signal(__ckvms_sts); } } STMT_END
311 #ifdef VMS_DO_SOCKETS
312 #define PERL_SOCK_SYSREAD_IS_RECV
313 #define PERL_SOCK_SYSWRITE_IS_SEND
316 #define BIT_BUCKET "/dev/null"
317 #define PERL_SYS_INIT_BODY(c,v) MALLOC_CHECK_TAINT2(*c,*v) vms_image_init((c),(v)); PERLIO_INIT; MALLOC_INIT
318 #define PERL_SYS_TERM_BODY() HINTS_REFCNT_TERM; OP_REFCNT_TERM; PERLIO_TERM; MALLOC_TERM
324 # define PERL_FS_VER_FMT "%d_%d_%d"
326 #define PERL_FS_VERSION STRINGIFY(PERL_REVISION) "_" \
327 STRINGIFY(PERL_VERSION) "_" \
328 STRINGIFY(PERL_SUBVERSION)
329 /* Temporary; we need to add support for this to Configure.Com */
330 #ifdef PERL_INC_VERSION_LIST
331 # undef PERL_INC_VERSION_LIST
335 * This symbol, if defined, indicates that the program is running under
336 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
337 * Just in case, however . . . */
338 /* Note that code really should be using __VMS to comply with ANSI */
344 * This symbol, if defined, indicates that the ioctl() routine is
345 * available to set I/O characteristics
347 #define HAS_IOCTL /**/
350 * This symbol, if defined, indicates that the routine utime() is
351 * available to update the access and modification times of files.
353 #define HAS_UTIME /**/
356 * This symbol, if defined, indicates that the getgrnam() and
357 * getgrgid() routines are available to get group entries.
358 * The getgrent() has a separate definition, HAS_GETGRENT.
360 #define HAS_GROUP /**/
363 * This symbol, if defined, indicates that the getpwnam() and
364 * getpwuid() routines are available to get password entries.
365 * The getpwent() has a separate definition, HAS_GETPWENT.
367 #define HAS_PASSWD /**/
373 * This symbol, if defined, indicates that the program should
374 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
375 * that a file is in "binary" mode -- that is, that no translation
376 * of bytes occurs on read or write operations.
381 * This symbol holds the type used to declare buffers for information
382 * returned by stat(). It's usually just struct stat. It may be necessary
383 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
387 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS
388 * is in effect, since Perl's thread.h embeds one of these structs in its
389 * thread data struct, and our struct mystat is a different size from the
390 * regular struct stat (cf. note above about having to pad struct to work
391 * around bug in compiler.)
392 * It's OK to pass one of these to the RTL's stat(), though, since the
393 * fields it fills are the same in each struct.
395 #define Stat_t struct mystat
398 * This symbol is defined if this system has a stat structure declaring
400 * VMS: Field exists in POSIXish version of struct stat(), but is not used.
402 * No definition of what value an operating system or file system should
403 * put in the st_rdev field has been found by me so far. Examination of
404 * LINUX source code indicates that the value is both very platform and
405 * file system specific, with many filesystems just putting 1 or 0 in it.
408 #undef USE_STAT_RDEV /**/
411 * fwrite1() should be a routine with the same calling sequence as fwrite(),
412 * but which outputs all of the bytes requested as a single stream (unlike
413 * fwrite() itself, which on some systems outputs several distinct records
414 * if the number_of_items parameter is >1).
416 #define fwrite1 my_fwrite
419 #ifndef DONT_MASK_RTL_CALLS
420 # define fwrite my_fwrite /* for PerlSIO_fwrite */
421 # define fdopen my_fdopen
422 # define fclose my_fclose
423 # define fgetname(a, b) my_fgetname(a, b)
425 # define symlink my_symlink
430 /* By default, flush data all the way to disk, not just to RMS buffers */
431 #define Fflush(fp) my_flush(fp)
433 /* Use our own rmdir() */
434 #ifndef DONT_MASK_RTL_CALLS
435 #define rmdir(name) do_rmdir(name)
438 /* Assorted fiddling with sigs . . . */
440 #define ABORT() abort()
445 /* Used with our my_utime() routine in vms.c */
451 #ifndef DONT_MASK_RTL_CALLS
452 #define utime my_utime
455 /* tbuffer_t was replaced with struct tms in v7.0. We no longer support
456 * systems prior to v7.0, but there could be old XS code out there that
457 * references tbuffer_t, so provide a compatibility macro.
460 #define tbuffer_t struct tms
462 /* Substitute our own routines for gmtime(), localtime(), and time(),
463 * which allow us to implement the vmsish 'time' pragma, and work
464 * around absence of system-level UTC support on old versions of VMS.
466 #define gmtime(t) my_gmtime(t)
467 #define localtime(t) my_localtime(t)
468 #define time(t) my_time(t)
471 * The C RTL's sigaction fails to check for invalid signal numbers so we
474 #ifndef DONT_MASK_RTL_CALLS
475 # define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c)
477 #ifdef KILL_BY_SIGPRC
478 # define kill Perl_my_kill
480 # define killpg Perl_my_killpg
483 /* VMS doesn't use a real sys_nerr, but we need this when scanning for error
484 * messages in text strings . . .
487 #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
489 /* Look up new %ENV values on the fly */
490 #define DYNAMIC_ENV_FETCH 1
491 /* Special getenv function for retrieving %ENV elements. */
492 #define ENVgetenv(v) my_getenv(v,FALSE)
493 #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE)
496 /* Ditto for sys$hash_password() . . . */
497 #define crypt(a,b) Perl_my_crypt(aTHX_ a,b)
499 /* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */
500 #define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode))
501 #define Chdir(dir) my_chdir((dir))
502 #ifndef DONT_MASK_RTL_CALLS
503 #define chmod(file_spec, mode) my_chmod((file_spec), (mode))
506 /* Use our own stat() clones, which handle Unix-style directory names */
507 #define Stat(name,bufptr) flex_stat(name,bufptr)
508 #define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr)
509 #ifndef DONT_MASK_RTL_CALLS
510 #define lstat(name, bufptr) flex_lstat(name, bufptr)
513 /* Setup for the dirent routines:
514 * opendir(), closedir(), readdir(), seekdir(), telldir(), and
515 * vmsreaddirversions(), and preprocessor stuff on which these depend:
516 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
520 /* Flags for the _dirdesc structure */
521 #define PERL_VMSDIR_M_VERSIONS 0x02 /* Want VMS versions */
522 #define PERL_VMSDIR_M_UNIXSPECS 0x04 /* Want UNIX specifications */
525 /* Data structure returned by READDIR(). */
527 char d_name[256]; /* File name */
528 int d_namlen; /* Length of d_name */
529 int vms_verscount; /* Number of versions */
530 int vms_versions[20]; /* Version numbers */
533 /* Handle returned by opendir(), used by the other routines. You
534 * are not supposed to care what's inside this structure. */
535 typedef struct _dirdesc {
538 unsigned long int count;
541 struct dsc$descriptor_s pat;
546 #define rewinddir(dirp) seekdir((dirp), 0)
548 /* used for our emulation of getpw* */
550 char *pw_name; /* Username */
552 Uid_t pw_uid; /* UIC member number */
553 Gid_t pw_gid; /* UIC group number */
554 char *pw_comment; /* Default device/directory (Unix-style) */
555 char *pw_gecos; /* Owner */
556 char *pw_dir; /* Default device/directory (VMS-style) */
557 char *pw_shell; /* Default CLI name (eg. DCL) */
559 #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
560 #define getpwnam my_getpwnam
561 #define getpwuid my_getpwuid
562 #define getpwent my_getpwent
563 #define endpwent my_endpwent
564 #define setpwent my_endpwent
566 /* Our own stat_t substitute, since we play with st_dev and st_ino -
567 * we want atomic types so Unix-bound code which compares these fields
568 * for two files will work most of the time under VMS.
569 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
570 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
571 * to map the unsigned int we want and the unsigned short[3] the CRTL
572 * returns into the same member, since gcc has different ideas than DECC
573 * and VAXC about sizing union types.
574 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the
577 /* First, grab the system types, so we don't clobber them later */
579 /* Since we've got to match the size of the CRTL's stat_t, we need
580 * to mimic DECC's alignment settings.
582 * The simplest thing is to just put a wrapper around the stat structure
583 * supplied by the CRTL and use #defines to redirect references to the
584 * members to the real names.
587 #if defined(__DECC) || defined(__DECCXX)
588 # pragma __member_alignment __save
589 # pragma member_alignment
592 typedef unsigned mydev_t;
594 typedef unsigned myino_t;
596 typedef __ino64_t myino_t;
601 struct stat crtl_stat;
604 unsigned rvn; /* FID (num,seq,rvn) + pad */
607 char st_devnam[256]; /* Cache the (short) VMS name */
610 #define st_mode crtl_stat.st_mode
611 #define st_nlink crtl_stat.st_nlink
612 #define st_uid crtl_stat.st_uid
613 #define st_gid crtl_stat.st_gid
614 #define st_rdev crtl_stat.st_rdev
615 #define st_size crtl_stat.st_size
616 #define st_atime crtl_stat.st_atime
617 #define st_mtime crtl_stat.st_mtime
618 #define st_ctime crtl_stat.st_ctime
619 #define st_fab_rfm crtl_stat.st_fab_rfm
620 #define st_fab_rat crtl_stat.st_fab_rat
621 #define st_fab_fsz crtl_stat.st_fab_fsz
622 #define st_fab_mrs crtl_stat.st_fab_mrs
625 #define VMS_INO_T_COMPARE(__a, __b) (__a != __b)
626 #define VMS_INO_T_COPY(__a, __b) __a = __b
628 #define VMS_INO_T_COMPARE(__a, __b) memcmp(&__a, &__b, 6)
629 #define VMS_INO_T_COPY(__a, __b) memcpy(&__a, &__b, 6)
632 #if defined(__DECC) || defined(__DECCXX)
633 # pragma __member_alignment __restore
636 #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
641 # define dev_t mydev_t
642 # define ino_t myino_t
644 /* Cons up a 'delete' bit for testing access */
645 #define S_IDUSR (S_IWUSR | S_IXUSR)
646 #define S_IDGRP (S_IWGRP | S_IXGRP)
647 #define S_IDOTH (S_IWOTH | S_IXOTH)
651 /* Prototypes for functions unique to vms.c. Don't include replacements
652 * for routines in the mainline source files excluded by #ifndef VMS;
653 * their prototypes are already in proto.h.
660 void prime_env_iter (void);
661 void init_os_extras (void);
662 int Perl_vms_status_to_unix(int vms_status, int child_flag);
663 int Perl_unix_status_to_vms(int unix_status);
664 int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int);
665 char * Perl_vms_realpath (pTHX_ const char *, char *, int *);
666 char * Perl_my_getenv (pTHX_ const char *, bool);
667 int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int);
668 char * Perl_tounixspec (pTHX_ const char *, char *);
669 char * Perl_tounixspec_ts (pTHX_ const char *, char *);
670 char * Perl_tounixspec_utf8 (pTHX_ const char *, char *, int *);
671 char * Perl_tounixspec_utf8_ts (pTHX_ const char *, char *, int *);
672 char * Perl_tovmsspec (pTHX_ const char *, char *);
673 char * Perl_tovmsspec_ts (pTHX_ const char *, char *);
674 char * Perl_tovmsspec_utf8 (pTHX_ const char *, char *, int *);
675 char * Perl_tovmsspec_utf8_ts (pTHX_ const char *, char *, int *);
676 char * Perl_tounixpath (pTHX_ const char *, char *);
677 char * Perl_tounixpath_ts (pTHX_ const char *, char *);
678 char * Perl_tounixpath_utf8 (pTHX_ const char *, char *, int *);
679 char * Perl_tounixpath_utf8_ts (pTHX_ const char *, char *, int *);
680 char * Perl_tovmspath (pTHX_ const char *, char *);
681 char * Perl_tovmspath_ts (pTHX_ const char *, char *);
682 char * Perl_tovmspath_utf8 (pTHX_ const char *, char *, int *);
683 char * Perl_tovmspath_utf8_ts (pTHX_ const char *, char *, int *);
684 int Perl_do_rmdir (pTHX_ const char *);
685 char * Perl_fileify_dirspec (pTHX_ const char *, char *);
686 char * Perl_fileify_dirspec_ts (pTHX_ const char *, char *);
687 char * Perl_fileify_dirspec_utf8 (pTHX_ const char *, char *, int *);
688 char * Perl_fileify_dirspec_utf8_ts (pTHX_ const char *, char *, int *);
689 char * Perl_pathify_dirspec (pTHX_ const char *, char *);
690 char * Perl_pathify_dirspec_ts (pTHX_ const char *, char *);
691 char * Perl_pathify_dirspec_utf8 (pTHX_ const char *, char *, int *);
692 char * Perl_pathify_dirspec_utf8_ts (pTHX_ const char *, char *, int *);
693 char * Perl_rmsexpand (pTHX_ const char *, char *, const char *, unsigned);
694 char * Perl_rmsexpand_ts (pTHX_ const char *, char *, const char *, unsigned);
695 char * Perl_rmsexpand_utf8 (pTHX_ const char *, char *, const char *, unsigned, int *, int *);
696 char * Perl_rmsexpand_utf8_ts (pTHX_ const char *, char *, const char *, unsigned, int *, int *);
697 int Perl_trim_unixpath (pTHX_ char *, const char*, int);
698 DIR * Perl_opendir (pTHX_ const char *);
699 int Perl_rename (pTHX_ const char *, const char *);
700 int Perl_rmscopy (pTHX_ const char *, const char *, int);
701 int Perl_my_mkdir (pTHX_ const char *, Mode_t);
702 bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **);
703 int Perl_vms_case_tolerant(void);
704 char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool);
705 int Perl_vmssetenv (pTHX_ const char *, const char *, struct dsc$descriptor_s **);
706 void Perl_vmssetuserlnm(const char *name, const char *eqv);
707 char * Perl_my_crypt (pTHX_ const char *, const char *);
708 Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int);
709 char * my_gconvert (double, int, int, char *);
710 int Perl_kill_file (pTHX_ const char *);
711 int Perl_my_chdir (pTHX_ const char *);
712 int Perl_my_chmod(pTHX_ const char *, mode_t);
713 FILE * Perl_my_tmpfile (void);
714 int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*);
715 #ifdef KILL_BY_SIGPRC
716 unsigned int Perl_sig_to_vmscondition (int);
717 int Perl_my_kill (int, int);
718 int Perl_my_killpg (int, int);
719 void Perl_csighandler_init (void);
721 int Perl_my_utime (pTHX_ const char *, const struct utimbuf *);
722 void Perl_vms_image_init (int *, char ***);
723 struct dirent * Perl_readdir (pTHX_ DIR *);
724 int Perl_readdir_r(pTHX_ DIR *, struct dirent *, struct dirent **);
725 long Perl_telldir (DIR *);
726 void Perl_seekdir (pTHX_ DIR *, long);
727 void Perl_closedir (DIR *);
728 void vmsreaddirversions (DIR *, int);
729 struct tm * Perl_my_gmtime (pTHX_ const time_t *);
730 struct tm * Perl_my_localtime (pTHX_ const time_t *);
731 time_t Perl_my_time (pTHX_ time_t *);
732 I32 Perl_cando_by_name (pTHX_ I32, bool, const char *);
733 int Perl_flex_fstat (pTHX_ int, Stat_t *);
734 int Perl_flex_lstat (pTHX_ const char *, Stat_t *);
735 int Perl_flex_stat (pTHX_ const char *, Stat_t *);
737 bool Perl_vms_do_exec (pTHX_ const char *);
738 FILE * my_fdopen (int, const char *);
739 int my_fclose (FILE *);
740 int my_fwrite (const void *, size_t, size_t, FILE *);
741 char * Perl_my_fgetname (FILE *fp, char *buf);
743 int Perl_my_symlink(pTHX_ const char *path1, const char *path2);
745 int Perl_my_flush (pTHX_ FILE *);
746 struct passwd * Perl_my_getpwnam (pTHX_ const char *name);
747 struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid);
748 void Perl_my_endpwent (pTHX);
751 * The following prototypes are in math.h but for some reason they
752 * are ifdefed out for C++. So we have to repeat them here in order
753 * to build the POSIX extension.
758 double exp2(double __x);
759 double fdim(double __x, double __y);
760 double fma(double __x, double __y, double __z);
761 double fmax(double __x, double __y);
762 double fmin(double __x, double __y);
763 double nexttoward(double __x, long double __y);
764 double remainder(double __x, double __y);
765 double remquo(double __x, double __y, int *__quo);
766 double tgamma(double __x);
767 float exp2f(float __x);
768 float fdimf(float __x, float __y);
769 float fmaf(float __x, float __y, float __z);
770 float fmaxf(float __x, float __y);
771 float fminf(float __x, float __y);
772 float nexttowardf(float __x, long double __y);
773 float remainderf(float __x, float __y);
774 float remquof(float __x, float __y, int *__quo);
775 float tgammaf(float __x);
776 long double exp2l(long double __x);
777 long double fdiml(long double __x, long double __y);
778 long double fmal(long double __x, long double __y, long double __z);
779 long double fmaxl(long double __x, long double __y);
780 long double fminl(long double __x, long double __y);
781 long double nexttowardl(long double __x, long double __y);
782 long double remainderl(long double __x, long double __y);
783 long double remquol(long double __x, long double __y, int *__quo);
784 long double tgammal(long double __x);
785 int ilogb(double __x);
786 int ilogbf(float __x);
787 int ilogbl(long double __x);
788 long int lrint(double __x);
789 long int lrintf(float __x);
790 long int lrintl(long double __x);
791 long int lround(double __x);
792 long int lroundf(float __x);
793 long int lroundl(long double __x);
804 #ifndef VMS_DO_SOCKETS
805 /* This relies on tricks in perl.h to pick up that these manifest constants
806 * are undefined and set up conversion routines. It will then redefine
807 * these manifest constants, so the actual values will match config.h
815 /* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */
816 #if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000
820 #define NO_ENVIRON_ARRAY
822 /* RMSEXPAND options */
823 #define PERL_RMSEXPAND_M_VMS 0x02 /* Force output to VMS format */
824 #define PERL_RMSEXPAND_M_LONG 0x04 /* Expand to long name format */
825 #define PERL_RMSEXPAND_M_VMS_IN 0x08 /* Assume input is VMS already */
826 #define PERL_RMSEXPAND_M_SYMLINK 0x20 /* Use symbolic link, not target */
828 /* With long doubles, NaN == NaN, which it shouldn't. */
829 #ifdef USE_LONG_DOUBLE
830 # define NAN_COMPARE_BROKEN 1
832 #endif /* __vmsish_h_included */