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Set NAN_COMPARE_BROKEN on VMS with long doubles.
[perl5.git] / vms / vmsish.h
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82dd182c 1/* vmsish.h
a0d0e21e 2 *
82dd182c 3 * VMS-specific C header file for perl5.
a0d0e21e 4 *
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5 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
6 * 2002, 2003, 2004, 2005, 2006, 2007 by Charles Bailey and others.
2497a41f 7 *
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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.
10 *
11 * Please see Changes*.* or the Perl Repository Browser for revision history.
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12 */
13
14#ifndef __vmsish_h_included
15#define __vmsish_h_included
16
17#include <descrip.h> /* for dirent struct definitions */
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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 */
4fdae800 21#include <stsdef.h> /* bitmasks for exit status testing */
748a9306 22
4633a7c4 23/* Suppress compiler warnings from DECC for VMS-specific extensions:
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24 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
25 * (e.g. pointer fields of descriptors)
26 */
929df5ff 27#ifdef __DECC
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28# pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT)
29#endif
929df5ff 30#ifdef __DECCXX
0d9debd6 31# pragma message informational (INTSIGNCHANGE,CASTQUALTYP,ASSCOMMEA,NOCTOBUTCONREFM,MISSINGRETURN)
929df5ff 32#endif
e518068a 33
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34/* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
35#ifdef _toupper
36# undef _toupper
37#endif
38#define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040)
39#ifdef _tolower
40# undef _tolower
41#endif
42#define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040)
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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 */
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54#if (defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000) || defined(__DECCXX)
55# include <unistd.h> /* DECC has this; gcc doesn't */
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56#endif
57
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58#ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
59# define DONT_MASK_RTL_CALLS
60#endif
61
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62#include <namdef.h>
63
64/* Set the maximum filespec size here as it is larger for EFS file
65 * specifications.
66 */
67#ifndef __VAX
68#ifndef VMS_MAXRSS
69#ifdef NAML$C_MAXRSS
70#define VMS_MAXRSS (NAML$C_MAXRSS+1)
71#ifndef VMS_LONGNAME_SUPPORT
72#define VMS_LONGNAME_SUPPORT 1
73#endif /* VMS_LONGNAME_SUPPORT */
74#endif /* NAML$C_MAXRSS */
75#endif /* VMS_MAXRSS */
76#endif
77
78#ifndef VMS_MAXRSS
79#define VMS_MAXRSS (NAM$C_MAXRSS + 1)
80#endif
81
82#ifndef MAXPATHLEN
83#define MAXPATHLEN (VMS_MAXRSS - 1)
84#endif
85
86
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87/* Note that we do, in fact, have this */
88#define HAS_GETENV_SV
cc077a9f 89#define HAS_GETENV_LEN
562a7b0c 90
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91
92#ifndef PERL_FOR_X2P
fd8cd3a3 93
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94#ifndef DONT_MASK_RTL_CALLS
95# ifdef getenv
96# undef getenv
97# endif
562a7b0c 98 /* getenv used for regular logical names */
fd8cd3a3 99# define getenv(v) Perl_my_getenv(aTHX_ v,TRUE)
aa689395 100#endif
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101#ifdef getenv_len
102# undef getenv_len
103#endif
fd8cd3a3 104#define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE)
aa689395 105
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106/* DECC introduces this routine in the RTL as of VMS 7.0; for now,
107 * we'll use ours, since it gives us the full VMS exit status. */
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108#define waitpid my_waitpid
109
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110/* Don't redeclare standard RTL routines in Perl's header files;
111 * VMS history or extensions makes some of the formal protoypes
112 * differ from the common Unix forms.
113 */
114#define DONT_DECLARE_STD 1
115
bf109933 116/* Our own contribution to PerlShr's global symbols . . . */
0c43a9cd 117
5c84aa53 118#if !defined(PERL_IMPLICIT_CONTEXT)
4b19af01 119#define opendir Perl_opendir
4fdf8f88 120#define rename Perl_rename
2497a41f 121#define seekdir Perl_seekdir
fd8cd3a3 122#define readdir Perl_readdir
a9852f7c 123#define readdir_r Perl_readdir_r
5c84aa53 124#else
4b19af01 125#define opendir(a) Perl_opendir(aTHX_ a)
4fdf8f88 126#define rename(a,b) Perl_rename(aTHX_ a,b)
fd8cd3a3 127#define seekdir(a,b) Perl_seekdir(aTHX_ a,b)
fd8cd3a3 128#define readdir(a) Perl_readdir(aTHX_ a)
a9852f7c 129#define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c)
5c84aa53 130#endif
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131#define closedir(a) Perl_closedir(a)
132#define telldir(a) Perl_telldir(a)
133#define vmsreaddirversions(a,b) Perl_vmsreaddirversions(a,b)
134
135#define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c)
136#define do_rmdir(a) Perl_do_rmdir(aTHX_ a)
137#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
138#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b)
139#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
140#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b)
141#define fileify_dirspec_utf8(a,b,c) Perl_fileify_dirspec(aTHX_ a,b,utf8)
142#define fileify_dirspec_utf8_ts(a,b,c) Perl_fileify_dirspec_ts(aTHX_ a,b,utf8)
143#define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b)
144#define flex_lstat(a,b) Perl_flex_lstat(aTHX_ a,b)
145#define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b)
146#define init_os_extras Perl_init_os_extras
147#define kill_file(a) Perl_kill_file(aTHX_ a)
148#define my_chdir(a) Perl_my_chdir(aTHX_ a)
149#define my_chmod(a,b) Perl_my_chmod(aTHX_ a,b)
150#define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b)
151#define my_endpwent() Perl_my_endpwent(aTHX)
152#define my_fclose(a) Perl_my_fclose(a)
153#define my_fdopen(a,b) Perl_my_fdopen(a,b)
154#define my_flush(a) Perl_my_flush(aTHX_ a)
155#define my_fwrite(a,b,c,d) Perl_my_fwrite(a,b,c,d)
156#define my_fgetname(a,b) Perl_my_fgetname(a,b)
157#define my_gconvert(a,b,c,d) Perl_my_gconvert(a,b,c,d)
158#define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b)
159#define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c)
160#define my_getlogin Perl_my_getlogin
161#define my_getpwent() Perl_my_getpwent(aTHX)
162#define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a)
163#define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a)
164#define my_gmtime(a) Perl_my_gmtime(aTHX_ a)
165#define my_localtime(a) Perl_my_localtime(aTHX_ a)
166#define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b)
2ee6e19d 167#ifdef HAS_SYMLINK
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168# define my_symlink(a,b) Perl_my_symlink(aTHX_ a,b)
169#endif
170#define my_time(a) Perl_my_time(aTHX_ a)
171#define my_tmpfile Perl_my_tmpfile
172#define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c)
173#define my_utime(a,b) Perl_my_utime(aTHX_ a,b)
174#define my_vfork Perl_my_vfork
175#define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c)
176#define pathify_dirspec(a,b) Perl_pathify_dirspec(aTHX a,b)
177#define pathify_dirspec_ts(a,b) Perl_pathify_dirspec_ts(aTHX a,b)
178#define pathify_dirspec_utf8(a,b,c) Perl_pathify_dirspec_utf8(aTHX a,b,c)
179#define pathify_dirspec_utf8_ts(a,b,c) Perl_pathify_dirspec_utf8_ts(aTHX a,b,c)
180#define prime_env_iter Perl_prime_env_iter
181#define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c)
182#define rmsexpand(a,b,c,d) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,NULL,NULL)
183#define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,NULL,NULL)
184#define rmsexpand_utf8(a,b,c,d,e,f) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,e,f)
185#define rmsexpand_utf8_ts(a,b,c,d,e,f) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,e,f)
186#define tounixpath(a,b) Perl_tounixpath_utf8(aTHX_ a,b,NULL)
187#define tounixpath_ts(a,b) Perl_tounixpath_utf8_ts(aTHX_ a,b,NULL)
188#define tounixpath_utf8(a,b,c) Perl_tounixpath_utf8(aTHX_ a,b,c)
189#define tounixpath_utf8_ts(a,b,c) Perl_tounixpath_utf8_ts(aTHX_ a,b,c)
190#define tounixspec(a,b) Perl_tounixspec_utf8(aTHX_ a,b,NULL)
191#define tounixspec_ts(a,b) Perl_tounixspec_utf8_ts(aTHX_ a,b,NULL)
192#define tounixspec_utf8(a,b,c) Perl_tounixspec_utf8(aTHX_ a,b,c)
193#define tounixspec_utf8_ts(a,b,c) Perl_tounixspec_utf8_ts(aTHX_ a,b,c)
194#define tovmspath(a,b) Perl_tovmspath_utf8(aTHX_ a,b,NULL)
195#define tovmspath_ts(a,b) Perl_tovmspath_utf8_ts(aTHX_ a,b,NULL)
196#define tovmspath_utf8(a,b,c) Perl_tovmspath_utf8(aTHX_ a,b,c)
197#define tovmspath_utf8_ts(a,b,c) Perl_tovmspath_utf8_ts(aTHX_ a,b,c)
198#define tovmsspec(a,b) Perl_tovmsspec_utf8(aTHX_ a,b,NULL)
199#define tovmsspec_ts(a,b) Perl_tovmsspec_utf8_ts(aTHX_ a,b)
200#define tovmsspec_utf8(a,b,c) Perl_tovmsspec_utf8(aTHX_ a,b,c)
201#define tovmsspec_utf8_ts(a,b,c) Perl_tovmsspec_utf8_ts(aTHX_ a,b,c)
202#define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c)
203#define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c)
204#define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a)
205#define vms_case_tolerant(a) Perl_vms_case_tolerant(a)
206#define vms_image_init(a,b) Perl_vms_image_init(a,b)
207#define vms_realname(a,b,c) Perl_vms_realname(aTHX_ a,b,c)
208#define vms_realpath(a,b,c) Perl_vms_realpath(aTHX_ a,b,c)
209#define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c)
210#define vmstrnenv(a,b,c,d,e) Perl_vmstrnenv(a,b,c,d,e)
0db50132 211#define vmssetuserlnm(a,b) Perl_vmssetuserlnm(a,b)
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212
213/* Delete if at all possible, changing protections if necessary. */
0c43a9cd 214#define unlink(a) kill_file(a)
748a9306 215
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216/*
217 * Intercept calls to fork, so we know whether subsequent calls to
218 * exec should be handled in VMSish or Unixish style.
219 */
220#define fork my_vfork
aa689395 221#ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
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222# ifdef vfork
223# undef vfork
224# endif
225# define vfork my_vfork
226#endif
227
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228/*
229 * Toss in a shim to tmpfile which creates a plain temp file if the
230 * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs
231 * from a specific directory to permit creation of files).
232 */
233#ifndef DONT_MASK_RTL_CALLS
fd8cd3a3 234# define tmpfile Perl_my_tmpfile
674d6c38 235#endif
f9fd8397 236#endif
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237
238
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239/* BIG_TIME:
240 * This symbol is defined if Time_t is an unsigned type on this system.
241 */
242#define BIG_TIME
243
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244/* ACME_MESS:
245 * This symbol, if defined, indicates that error messages should be
246 * should be generated in a format that allows the use of the Acme
247 * GUI/editor's autofind feature.
248 */
249#undef ACME_MESS /**/
e518068a 250
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251/* ALTERNATE_SHEBANG:
252 * This symbol, if defined, contains a "magic" string which may be used
253 * as the first line of a Perl program designed to be executed directly
254 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
255 * begins with a character other then #, then Perl will only treat
256 * it as a command line if if finds the string "perl" in the first
257 * word; otherwise it's treated as the first line of code in the script.
258 * (IOW, Perl won't hand off to another interpreter via an alternate
259 * shebang sequence that might be legal Perl code.)
260 */
261#define ALTERNATE_SHEBANG "$"
262
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263/* Macros to set errno using the VAX thread-safe calls, if present */
264#if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
265# define set_errno(v) (cma$tis_errno_set_value(v))
774d564b 266 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
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267# define set_vaxc_errno(v) (vaxc$errno = (v))
268#else
269# define set_errno(v) (errno = (v))
270# define set_vaxc_errno(v) (vaxc$errno = (v))
271#endif
272
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273/* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
274
275#define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
276
744a34f9 277#define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */
a0ed51b3 278#define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */
ff0cee69 279
a520a2c4 280#ifdef PERL_IMPLICIT_CONTEXT
15da1ccf 281# define TEST_VMSISH(h) (my_perl && PL_curcop && (PL_curcop->cop_hints & (h)))
a520a2c4 282#else
15da1ccf 283# define TEST_VMSISH(h) (PL_curcop && (PL_curcop->cop_hints & (h)))
a520a2c4 284#endif
ff0cee69 285#define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
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286#define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
287
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288/* VMS-specific data storage */
289
290#define HAVE_INTERP_INTERN
291struct interp_intern {
292 int hushed;
7a7fd8e0 293 int posix_exit;
3ff49832 294 double inv_rand_max;
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295};
296#define VMSISH_HUSHED (PL_sys_intern.hushed)
297#define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max)
7a7fd8e0 298#define MY_POSIX_EXIT (PL_sys_intern.posix_exit)
96e176bf 299
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300/* Flags for vmstrnenv() */
301#define PERL__TRNENV_SECURE 0x01
843027b0 302#define PERL__TRNENV_JOIN_SEARCHLIST 0x02
562a7b0c 303
748a9306 304/* Handy way to vet calls to VMS system services and RTL routines. */
5aaab254 305#define _ckvmssts(call) STMT_START { unsigned long int __ckvms_sts; \
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306 if (!((__ckvms_sts=(call))&1)) { \
307 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
5c84aa53 308 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \
bf109933 309 __ckvms_sts,__FILE__,__LINE__); } } STMT_END
a0d0e21e 310
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311/* Same thing, but don't call back to Perl's croak(); useful for errors
312 * occurring during startup, before Perl's state is initialized */
5aaab254 313#define _ckvmssts_noperl(call) STMT_START { unsigned long int __ckvms_sts; \
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314 if (!((__ckvms_sts=(call))&1)) { \
315 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
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316 (void)fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \
317 __ckvms_sts,__FILE__,__LINE__); (void)lib$signal(__ckvms_sts); } } STMT_END
0414b1a0 318
a0d0e21e 319#ifdef VMS_DO_SOCKETS
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320#define PERL_SOCK_SYSREAD_IS_RECV
321#define PERL_SOCK_SYSWRITE_IS_SEND
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322#endif
323
2497a41f 324#define BIT_BUCKET "/dev/null"
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325#define PERL_SYS_INIT_BODY(c,v) MALLOC_CHECK_TAINT2(*c,*v) vms_image_init((c),(v)); PERLIO_INIT; MALLOC_INIT
326#define PERL_SYS_TERM_BODY() HINTS_REFCNT_TERM; OP_REFCNT_TERM; PERLIO_TERM; MALLOC_TERM
8cc95fdb 327#define dXSUB_SYS
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328#define HAS_KILL
329#define HAS_WAIT
330
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331#ifndef PERL_CORE
332# define PERL_FS_VER_FMT "%d_%d_%d"
333#endif
334#define PERL_FS_VERSION STRINGIFY(PERL_REVISION) "_" \
335 STRINGIFY(PERL_VERSION) "_" \
336 STRINGIFY(PERL_SUBVERSION)
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337/* Temporary; we need to add support for this to Configure.Com */
338#ifdef PERL_INC_VERSION_LIST
339# undef PERL_INC_VERSION_LIST
340#endif
146174a9 341
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342/* VMS:
343 * This symbol, if defined, indicates that the program is running under
344 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen.
345 * Just in case, however . . . */
2fbb330f 346/* Note that code really should be using __VMS to comply with ANSI */
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347#ifndef VMS
348#define VMS /**/
349#endif
350
351/* HAS_IOCTL:
352 * This symbol, if defined, indicates that the ioctl() routine is
353 * available to set I/O characteristics
a0d0e21e 354 */
670137c2 355#define HAS_IOCTL /**/
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356
357/* HAS_UTIME:
358 * This symbol, if defined, indicates that the routine utime() is
359 * available to update the access and modification times of files.
360 */
361#define HAS_UTIME /**/
a0d0e21e 362
e518068a 363/* HAS_GROUP
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364 * This symbol, if defined, indicates that the getgrnam() and
365 * getgrgid() routines are available to get group entries.
366 * The getgrent() has a separate definition, HAS_GETGRENT.
e518068a 367 */
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368#if __CRTL_VER >= 70302000
369#define HAS_GROUP /**/
370#else
e518068a 371#undef HAS_GROUP /**/
211b0ba3 372#endif
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373
374/* HAS_PASSWD
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375 * This symbol, if defined, indicates that the getpwnam() and
376 * getpwuid() routines are available to get password entries.
377 * The getpwent() has a separate definition, HAS_GETPWENT.
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378 */
379#define HAS_PASSWD /**/
380
381#define HAS_KILL
382#define HAS_WAIT
383
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384/* USEMYBINMODE
385 * This symbol, if defined, indicates that the program should
16fe6d59 386 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
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387 * that a file is in "binary" mode -- that is, that no translation
388 * of bytes occurs on read or write operations.
389 */
562a7b0c 390#undef USEMYBINMODE
0414b1a0 391
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392/* Stat_t:
393 * This symbol holds the type used to declare buffers for information
394 * returned by stat(). It's usually just struct stat. It may be necessary
395 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
396 * information.
397 */
398/* VMS:
399 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS
400 * is in effect, since Perl's thread.h embeds one of these structs in its
401 * thread data struct, and our struct mystat is a different size from the
402 * regular struct stat (cf. note above about having to pad struct to work
403 * around bug in compiler.)
404 * It's OK to pass one of these to the RTL's stat(), though, since the
405 * fields it fills are the same in each struct.
406 */
407#define Stat_t struct mystat
408
409/* USE_STAT_RDEV:
410* This symbol is defined if this system has a stat structure declaring
411* st_rdev
412* VMS: Field exists in POSIXish version of struct stat(), but is not used.
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413*
414* No definition of what value an operating system or file system should
415* put in the st_rdev field has been found by me so far. Examination of
416* LINUX source code indicates that the value is both very platform and
417* file system specific, with many filesystems just putting 1 or 0 in it.
418* J. Malmberg.
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419*/
420#undef USE_STAT_RDEV /**/
421
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422/*
423 * fwrite1() should be a routine with the same calling sequence as fwrite(),
424 * but which outputs all of the bytes requested as a single stream (unlike
425 * fwrite() itself, which on some systems outputs several distinct records
426 * if the number_of_items parameter is >1).
427 */
428#define fwrite1 my_fwrite
429
bc10a425
CB
430
431#ifndef DONT_MASK_RTL_CALLS
a15cef0c 432# define fwrite my_fwrite /* for PerlSIO_fwrite */
bc10a425
CB
433# define fdopen my_fdopen
434# define fclose my_fclose
bf8d1304 435# define fgetname(a, b) my_fgetname(a, b)
2ee6e19d
CB
436#ifdef HAS_SYMLINK
437# define symlink my_symlink
438#endif
bc10a425
CB
439#endif
440
441
d27fe803
JH
442/* By default, flush data all the way to disk, not just to RMS buffers */
443#define Fflush(fp) my_flush(fp)
444
a0d0e21e 445/* Use our own rmdir() */
2497a41f 446#ifndef DONT_MASK_RTL_CALLS
a0d0e21e 447#define rmdir(name) do_rmdir(name)
2497a41f 448#endif
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LW
449
450/* Assorted fiddling with sigs . . . */
451# include <signal.h>
452#define ABORT() abort()
453
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JM
454#ifdef I_UTIME
455#include <utime.h>
456#else
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LW
457/* Used with our my_utime() routine in vms.c */
458struct utimbuf {
459 time_t actime;
460 time_t modtime;
461};
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JM
462#endif
463#ifndef DONT_MASK_RTL_CALLS
748a9306 464#define utime my_utime
704c2eb3 465#endif
748a9306 466
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CB
467/* tbuffer_t was replaced with struct tms in v7.0. We no longer support
468 * systems prior to v7.0, but there could be old XS code out there that
469 * references tbuffer_t, so provide a compatibility macro.
0414b1a0 470 */
a0d0e21e 471
d08a24db 472#define tbuffer_t struct tms
a0d0e21e 473
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CB
474/* Substitute our own routines for gmtime(), localtime(), and time(),
475 * which allow us to implement the vmsish 'time' pragma, and work
476 * around absence of system-level UTC support on old versions of VMS.
e518068a
PP
477 */
478#define gmtime(t) my_gmtime(t)
ff0cee69
PP
479#define localtime(t) my_localtime(t)
480#define time(t) my_time(t)
61bb5906 481
5c2d7af2
CB
482/*
483 * The C RTL's sigaction fails to check for invalid signal numbers so we
484 * help it out a bit.
485 */
32995a38 486#ifndef DONT_MASK_RTL_CALLS
8df869cb 487# define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c)
7b62b82b 488#endif
f2610a60
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489#ifdef KILL_BY_SIGPRC
490# define kill Perl_my_kill
491#endif
492
e518068a 493
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494/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
495 * messages in text strings . . .
496 */
497
498#define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */
499
500/* Look up new %ENV values on the fly */
501#define DYNAMIC_ENV_FETCH 1
aa689395 502 /* Special getenv function for retrieving %ENV elements. */
562a7b0c 503#define ENVgetenv(v) my_getenv(v,FALSE)
a6c40364 504#define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE)
aa689395 505
a0d0e21e 506
22d4bb9c 507/* Thin jacket around cuserid() to match Unix' calling sequence */
c07a80fd
PP
508#define getlogin my_getlogin
509
bc10a425 510/* Ditto for sys$hash_password() . . . */
fd8cd3a3 511#define crypt(a,b) Perl_my_crypt(aTHX_ a,b)
c07a80fd 512
ee8c7f54 513/* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */
fd8cd3a3 514#define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode))
ee8c7f54 515#define Chdir(dir) my_chdir((dir))
f1db9cda
JM
516#ifndef DONT_MASK_RTL_CALLS
517#define chmod(file_spec, mode) my_chmod((file_spec), (mode))
518#endif
8cc95fdb 519
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LW
520/* Use our own stat() clones, which handle Unix-style directory names */
521#define Stat(name,bufptr) flex_stat(name,bufptr)
fd8cd3a3 522#define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr)
10d1eec1 523#ifndef DONT_MASK_RTL_CALLS
f1db9cda 524#define lstat(name, bufptr) flex_lstat(name, bufptr)
10d1eec1 525#endif
a0d0e21e
LW
526
527/* Setup for the dirent routines:
528 * opendir(), closedir(), readdir(), seekdir(), telldir(), and
529 * vmsreaddirversions(), and preprocessor stuff on which these depend:
530 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
2497a41f 531 *
a0d0e21e 532 */
2497a41f 533
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JM
534/* Flags for the _dirdesc structure */
535#define PERL_VMSDIR_M_VERSIONS 0x02 /* Want VMS versions */
536#define PERL_VMSDIR_M_UNIXSPECS 0x04 /* Want UNIX specifications */
537
538
a0d0e21e 539 /* Data structure returned by READDIR(). */
ddcbaa1c 540struct dirent {
a0d0e21e 541 char d_name[256]; /* File name */
2497a41f 542 int d_namlen; /* Length of d_name */
a0d0e21e
LW
543 int vms_verscount; /* Number of versions */
544 int vms_versions[20]; /* Version numbers */
545};
546
547 /* Handle returned by opendir(), used by the other routines. You
548 * are not supposed to care what's inside this structure. */
ddcbaa1c 549typedef struct _dirdesc {
a0d0e21e 550 long context;
657054d4 551 int flags;
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LW
552 unsigned long int count;
553 char *pattern;
ddcbaa1c 554 struct dirent entry;
a0d0e21e 555 struct dsc$descriptor_s pat;
a9852f7c 556 void *mutex;
ddcbaa1c 557} DIR;
a0d0e21e 558
2497a41f 559
a0d0e21e
LW
560#define rewinddir(dirp) seekdir((dirp), 0)
561
748a9306
LW
562/* used for our emulation of getpw* */
563struct passwd {
564 char *pw_name; /* Username */
565 char *pw_passwd;
566 Uid_t pw_uid; /* UIC member number */
567 Gid_t pw_gid; /* UIC group number */
568 char *pw_comment; /* Default device/directory (Unix-style) */
569 char *pw_gecos; /* Owner */
570 char *pw_dir; /* Default device/directory (VMS-style) */
571 char *pw_shell; /* Default CLI name (eg. DCL) */
572};
573#define pw_unixdir pw_comment /* Default device/directory (Unix-style) */
574#define getpwnam my_getpwnam
575#define getpwuid my_getpwuid
576#define getpwent my_getpwent
577#define endpwent my_endpwent
578#define setpwent my_endpwent
579
580/* Our own stat_t substitute, since we play with st_dev and st_ino -
581 * we want atomic types so Unix-bound code which compares these fields
c07a80fd
PP
582 * for two files will work most of the time under VMS.
583 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) ==
584 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type
585 * to map the unsigned int we want and the unsigned short[3] the CRTL
586 * returns into the same member, since gcc has different ideas than DECC
587 * and VAXC about sizing union types.
22d4bb9c 588 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the
c07a80fd 589 * address of a FID.
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LW
590 */
591/* First, grab the system types, so we don't clobber them later */
592#include <stat.h>
593/* Since we've got to match the size of the CRTL's stat_t, we need
594 * to mimic DECC's alignment settings.
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JM
595 *
596 * The simplest thing is to just put a wrapper around the stat structure
597 * supplied by the CRTL and use #defines to redirect references to the
598 * members to the real names.
748a9306 599 */
2497a41f 600
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CB
601#if defined(__DECC) || defined(__DECCXX)
602# pragma __member_alignment __save
603# pragma member_alignment
604#endif
605
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JM
606typedef unsigned mydev_t;
607#ifndef _LARGEFILE
608typedef unsigned myino_t;
609#else
610typedef __ino64_t myino_t;
748a9306 611#endif
e0261ef8 612
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LW
613struct mystat
614{
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JM
615 struct stat crtl_stat;
616 myino_t st_ino;
617#ifndef _LARGEFILE
618 unsigned rvn; /* FID (num,seq,rvn) + pad */
619#endif
620 mydev_t st_dev;
621 char st_devnam[256]; /* Cache the (short) VMS name */
748a9306 622};
e0261ef8 623
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JM
624#define st_mode crtl_stat.st_mode
625#define st_nlink crtl_stat.st_nlink
626#define st_uid crtl_stat.st_uid
627#define st_gid crtl_stat.st_gid
628#define st_rdev crtl_stat.st_rdev
629#define st_size crtl_stat.st_size
630#define st_atime crtl_stat.st_atime
631#define st_mtime crtl_stat.st_mtime
632#define st_ctime crtl_stat.st_ctime
633#define st_fab_rfm crtl_stat.st_fab_rfm
634#define st_fab_rat crtl_stat.st_fab_rat
635#define st_fab_fsz crtl_stat.st_fab_fsz
682e4b71
JM
636#define st_fab_mrs crtl_stat.st_fab_mrs
637
638#ifdef _USE_STD_STAT
639#define VMS_INO_T_COMPARE(__a, __b) (__a != __b)
cfcfe586 640#define VMS_INO_T_COPY(__a, __b) __a = __b
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JM
641#else
642#define VMS_INO_T_COMPARE(__a, __b) memcmp(&__a, &__b, 6)
643#define VMS_INO_T_COPY(__a, __b) memcpy(&__a, &__b, 6)
644#endif
e0261ef8 645
e0261ef8
CB
646#if defined(__DECC) || defined(__DECCXX)
647# pragma __member_alignment __restore
648#endif
649
aa689395
PP
650#ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
651# ifdef stat
652# undef stat
653# endif
654# define stat mystat
655# define dev_t mydev_t
656# define ino_t myino_t
657#endif
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LW
658/* Cons up a 'delete' bit for testing access */
659#define S_IDUSR (S_IWUSR | S_IXUSR)
660#define S_IDGRP (S_IWGRP | S_IXGRP)
661#define S_IDOTH (S_IWOTH | S_IXOTH)
a0d0e21e 662
a44ceb8e 663
f9fd8397 664#ifndef PERL_FOR_X2P
a0d0e21e
LW
665/* Prototypes for functions unique to vms.c. Don't include replacements
666 * for routines in the mainline source files excluded by #ifndef VMS;
667 * their prototypes are already in proto.h.
a0d0e21e 668 */
94c456c4 669
929df5ff
CB
670#ifdef __cplusplus
671extern "C" {
672#endif
673
20ce7b12 674void prime_env_iter (void);
2fbb330f 675void init_os_extras (void);
7a7fd8e0
JM
676int Perl_vms_status_to_unix(int vms_status, int child_flag);
677int Perl_unix_status_to_vms(int unix_status);
fd8cd3a3 678int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int);
360732b5 679char * Perl_vms_realpath (pTHX_ const char *, char *, int *);
5c84aa53 680char * Perl_my_getenv (pTHX_ const char *, bool);
4b19af01 681int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int);
b8ffc8df
RGS
682char * Perl_tounixspec (pTHX_ const char *, char *);
683char * Perl_tounixspec_ts (pTHX_ const char *, char *);
360732b5
JM
684char * Perl_tounixspec_utf8 (pTHX_ const char *, char *, int *);
685char * Perl_tounixspec_utf8_ts (pTHX_ const char *, char *, int *);
2fbb330f
JM
686char * Perl_tovmsspec (pTHX_ const char *, char *);
687char * Perl_tovmsspec_ts (pTHX_ const char *, char *);
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JM
688char * Perl_tovmsspec_utf8 (pTHX_ const char *, char *, int *);
689char * Perl_tovmsspec_utf8_ts (pTHX_ const char *, char *, int *);
b8ffc8df
RGS
690char * Perl_tounixpath (pTHX_ const char *, char *);
691char * Perl_tounixpath_ts (pTHX_ const char *, char *);
360732b5
JM
692char * Perl_tounixpath_utf8 (pTHX_ const char *, char *, int *);
693char * Perl_tounixpath_utf8_ts (pTHX_ const char *, char *, int *);
b8ffc8df
RGS
694char * Perl_tovmspath (pTHX_ const char *, char *);
695char * Perl_tovmspath_ts (pTHX_ const char *, char *);
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JM
696char * Perl_tovmspath_utf8 (pTHX_ const char *, char *, int *);
697char * Perl_tovmspath_utf8_ts (pTHX_ const char *, char *, int *);
b8ffc8df
RGS
698int Perl_do_rmdir (pTHX_ const char *);
699char * Perl_fileify_dirspec (pTHX_ const char *, char *);
700char * Perl_fileify_dirspec_ts (pTHX_ const char *, char *);
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JM
701char * Perl_fileify_dirspec_utf8 (pTHX_ const char *, char *, int *);
702char * Perl_fileify_dirspec_utf8_ts (pTHX_ const char *, char *, int *);
b8ffc8df
RGS
703char * Perl_pathify_dirspec (pTHX_ const char *, char *);
704char * Perl_pathify_dirspec_ts (pTHX_ const char *, char *);
360732b5
JM
705char * Perl_pathify_dirspec_utf8 (pTHX_ const char *, char *, int *);
706char * Perl_pathify_dirspec_utf8_ts (pTHX_ const char *, char *, int *);
2fbb330f
JM
707char * Perl_rmsexpand (pTHX_ const char *, char *, const char *, unsigned);
708char * Perl_rmsexpand_ts (pTHX_ const char *, char *, const char *, unsigned);
360732b5
JM
709char * Perl_rmsexpand_utf8 (pTHX_ const char *, char *, const char *, unsigned, int *, int *);
710char * Perl_rmsexpand_utf8_ts (pTHX_ const char *, char *, const char *, unsigned, int *, int *);
2fbb330f 711int Perl_trim_unixpath (pTHX_ char *, const char*, int);
ddcbaa1c 712DIR * Perl_opendir (pTHX_ const char *);
4fdf8f88 713int Perl_rename (pTHX_ const char *, const char *);
2fbb330f 714int Perl_rmscopy (pTHX_ const char *, const char *, int);
b8ffc8df 715int Perl_my_mkdir (pTHX_ const char *, Mode_t);
fd8cd3a3 716bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **);
2497a41f 717int Perl_vms_case_tolerant(void);
fd8cd3a3 718char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool);
2c590a56 719int Perl_vmssetenv (pTHX_ const char *, const char *, struct dsc$descriptor_s **);
0db50132 720void Perl_vmssetuserlnm(const char *name, const char *eqv);
fd8cd3a3
DS
721char * Perl_my_crypt (pTHX_ const char *, const char *);
722Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int);
20ce7b12 723char * my_gconvert (double, int, int, char *);
b8ffc8df
RGS
724int Perl_kill_file (pTHX_ const char *);
725int Perl_my_chdir (pTHX_ const char *);
f1db9cda 726int Perl_my_chmod(pTHX_ const char *, mode_t);
2fbb330f 727FILE * Perl_my_tmpfile (void);
5c2d7af2 728int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*);
f2610a60 729#ifdef KILL_BY_SIGPRC
2e34cc90 730unsigned int Perl_sig_to_vmscondition (int);
f2610a60 731int Perl_my_kill (int, int);
2e34cc90 732void Perl_csighandler_init (void);
f2610a60 733#endif
94a11853 734int Perl_my_utime (pTHX_ const char *, const struct utimbuf *);
fd8cd3a3 735void Perl_vms_image_init (int *, char ***);
ddcbaa1c
CB
736struct dirent * Perl_readdir (pTHX_ DIR *);
737int Perl_readdir_r(pTHX_ DIR *, struct dirent *, struct dirent **);
738long Perl_telldir (DIR *);
739void Perl_seekdir (pTHX_ DIR *, long);
740void Perl_closedir (DIR *);
741void vmsreaddirversions (DIR *, int);
fd8cd3a3
DS
742struct tm * Perl_my_gmtime (pTHX_ const time_t *);
743struct tm * Perl_my_localtime (pTHX_ const time_t *);
744time_t Perl_my_time (pTHX_ time_t *);
03e3cfa3 745I32 Perl_cando_by_name (pTHX_ I32, bool, const char *);
fd8cd3a3 746int Perl_flex_fstat (pTHX_ int, Stat_t *);
2497a41f 747int Perl_flex_lstat (pTHX_ const char *, Stat_t *);
fd8cd3a3 748int Perl_flex_stat (pTHX_ const char *, Stat_t *);
2fbb330f
JM
749int my_vfork (void);
750bool Perl_vms_do_exec (pTHX_ const char *);
0dac06c4 751FILE * my_fdopen (int, const char *);
bc10a425 752int my_fclose (FILE *);
2ee6e19d 753int my_fwrite (const void *, size_t, size_t, FILE *);
bf8d1304 754char * Perl_my_fgetname (FILE *fp, char *buf);
2ee6e19d 755#ifdef HAS_SYMLINK
4148925f 756int Perl_my_symlink(pTHX_ const char *path1, const char *path2);
2ee6e19d 757#endif
fd8cd3a3 758int Perl_my_flush (pTHX_ FILE *);
2fbb330f 759struct passwd * Perl_my_getpwnam (pTHX_ const char *name);
fd8cd3a3 760struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid);
9fa802f3 761void Perl_my_endpwent (pTHX);
2fbb330f 762char * my_getlogin (void);
929df5ff
CB
763
764#ifdef __cplusplus
765}
766#endif
767
44a8e56a
PP
768#endif
769
a0d0e21e 770#ifndef VMS_DO_SOCKETS
748a9306
LW
771/* This relies on tricks in perl.h to pick up that these manifest constants
772 * are undefined and set up conversion routines. It will then redefine
773 * these manifest constants, so the actual values will match config.h
774 */
775#undef HAS_HTONS
776#undef HAS_NTOHS
777#undef HAS_HTONL
778#undef HAS_NTOHL
a0d0e21e
LW
779#endif
780
3b7650f4
CB
781/* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */
782#if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000
783# undef fileno
784#endif
785
22d4bb9c
CB
786#define NO_ENVIRON_ARRAY
787
e886094b
JM
788/* RMSEXPAND options */
789#define PERL_RMSEXPAND_M_VMS 0x02 /* Force output to VMS format */
790#define PERL_RMSEXPAND_M_LONG 0x04 /* Expand to long name format */
a1887106 791#define PERL_RMSEXPAND_M_VMS_IN 0x08 /* Assume input is VMS already */
e886094b
JM
792#define PERL_RMSEXPAND_M_SYMLINK 0x20 /* Use symbolic link, not target */
793
c4f3aff1
CB
794/* With long doubles, NaN == NaN, which it shouldn't. */
795#ifdef USE_LONG_DOUBLE
796# define NAN_COMPARE_BROKEN 1
797#endif
a0d0e21e 798#endif /* __vmsish_h_included */