1/* vmsish.h 2 * 3 * VMS-specific C header file for perl5. 4 * 5 * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 6 * 2002, 2003, 2004, 2005, 2006, 2007 by Charles Bailey and others. 7 * 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. 12 */ 13 14#ifndef __vmsish_h_included 15#define __vmsish_h_included 16 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$errno are */ 20#include <ssdef.h> /* explicitly set in the perl source code */ 21#include <stsdef.h> /* bitmasks for exit status testing */ 22 23/* Suppress compiler warnings from DECC for VMS-specific extensions: 24 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values 25 * (e.g. pointer fields of descriptors) 26 */ 27#ifdef __DECC 28# pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT) 29#endif 30#ifdef __DECCXX 31# pragma message informational (INTSIGNCHANGE,CASTQUALTYP,ASSCOMMEA,NOCTOBUTCONREFM,MISSINGRETURN) 32#endif 33 34/* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ 35#ifdef _toupper 36# undef _toupper 37#endif 38#define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040) 39#ifdef _tolower 40# undef _tolower 41#endif 42#define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040) 43 44/* Assorted things to look like Unix */ 45#include <processes.h> /* for vfork() */ 46#include <unixio.h> 47#include <unixlib.h> 48#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */ 49#include <unistd.h> 50 51#ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */ 52# define DONT_MASK_RTL_CALLS 53#endif 54 55#include <namdef.h> 56 57/* Set the maximum filespec size here as it is larger for EFS file 58 * specifications. 59 */ 60#ifndef VMS_MAXRSS 61#ifdef NAML$C_MAXRSS 62#define VMS_MAXRSS (NAML$C_MAXRSS+1) 63#ifndef VMS_LONGNAME_SUPPORT 64#define VMS_LONGNAME_SUPPORT 1 65#endif /* VMS_LONGNAME_SUPPORT */ 66#endif /* NAML$C_MAXRSS */ 67#endif /* VMS_MAXRSS */ 68 69#ifndef VMS_MAXRSS 70#define VMS_MAXRSS (NAM$C_MAXRSS + 1) 71#endif 72 73#ifndef MAXPATHLEN 74#define MAXPATHLEN (VMS_MAXRSS - 1) 75#endif 76 77 78/* Note that we do, in fact, have this */ 79#define HAS_GETENV_SV 80#define HAS_GETENV_LEN 81 82 83#ifndef PERL_FOR_X2P 84 85#ifndef DONT_MASK_RTL_CALLS 86# ifdef getenv 87# undef getenv 88# endif 89 /* getenv used for regular logical names */ 90# define getenv(v) Perl_my_getenv(aTHX_ v,TRUE) 91#endif 92#ifdef getenv_len 93# undef getenv_len 94#endif 95#define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE) 96 97/* DECC introduces this routine in the RTL as of VMS 7.0; for now, 98 * we'll use ours, since it gives us the full VMS exit status. */ 99#define waitpid my_waitpid 100 101/* Our own contribution to PerlShr's global symbols . . . */ 102 103#if !defined(MULTIPLICITY) 104#define opendir Perl_opendir 105#define rename Perl_rename 106#define seekdir Perl_seekdir 107#define readdir Perl_readdir 108#define readdir_r Perl_readdir_r 109#else 110#define opendir(a) Perl_opendir(aTHX_ a) 111#define rename(a,b) Perl_rename(aTHX_ a,b) 112#define seekdir(a,b) Perl_seekdir(aTHX_ a,b) 113#define readdir(a) Perl_readdir(aTHX_ a) 114#define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c) 115#endif 116#define closedir(a) Perl_closedir(a) 117#define telldir(a) Perl_telldir(a) 118#define vmsreaddirversions(a,b) Perl_vmsreaddirversions(a,b) 119 120#define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c) 121#define do_rmdir(a) Perl_do_rmdir(aTHX_ a) 122#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b) 123#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b) 124#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b) 125#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b) 126#define fileify_dirspec_utf8(a,b,c) Perl_fileify_dirspec(aTHX_ a,b,utf8) 127#define fileify_dirspec_utf8_ts(a,b,c) Perl_fileify_dirspec_ts(aTHX_ a,b,utf8) 128#define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b) 129#define flex_lstat(a,b) Perl_flex_lstat(aTHX_ a,b) 130#define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b) 131#define init_os_extras Perl_init_os_extras 132#define kill_file(a) Perl_kill_file(aTHX_ a) 133#define my_chdir(a) Perl_my_chdir(aTHX_ a) 134#define my_chmod(a,b) Perl_my_chmod(aTHX_ a,b) 135#define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b) 136#define my_endpwent() Perl_my_endpwent(aTHX) 137#define my_fclose(a) Perl_my_fclose(a) 138#define my_fdopen(a,b) Perl_my_fdopen(a,b) 139#define my_flush(a) Perl_my_flush(aTHX_ a) 140#define my_fwrite(a,b,c,d) Perl_my_fwrite(a,b,c,d) 141#define my_fgetname(a,b) Perl_my_fgetname(a,b) 142#define my_gconvert(a,b,c,d) Perl_my_gconvert(a,b,c,d) 143#define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b) 144#define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c) 145#define my_getpwent() Perl_my_getpwent(aTHX) 146#define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a) 147#define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a) 148#define my_gmtime(a) Perl_my_gmtime(aTHX_ a) 149#define my_localtime(a) Perl_my_localtime(aTHX_ a) 150#define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b) 151#ifdef HAS_SYMLINK 152# define my_symlink(a,b) Perl_my_symlink(aTHX_ a,b) 153#endif 154#define my_time(a) Perl_my_time(aTHX_ a) 155#define my_tmpfile Perl_my_tmpfile 156#define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c) 157#define my_utime(a,b) Perl_my_utime(aTHX_ a,b) 158#define my_vfork Perl_my_vfork 159#define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c) 160#define pathify_dirspec(a,b) Perl_pathify_dirspec(aTHX a,b) 161#define pathify_dirspec_ts(a,b) Perl_pathify_dirspec_ts(aTHX a,b) 162#define pathify_dirspec_utf8(a,b,c) Perl_pathify_dirspec_utf8(aTHX a,b,c) 163#define pathify_dirspec_utf8_ts(a,b,c) Perl_pathify_dirspec_utf8_ts(aTHX a,b,c) 164#define prime_env_iter Perl_prime_env_iter 165#define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c) 166#define rmsexpand(a,b,c,d) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,NULL,NULL) 167#define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,NULL,NULL) 168#define rmsexpand_utf8(a,b,c,d,e,f) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,e,f) 169#define rmsexpand_utf8_ts(a,b,c,d,e,f) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,e,f) 170#define tounixpath(a,b) Perl_tounixpath_utf8(aTHX_ a,b,NULL) 171#define tounixpath_ts(a,b) Perl_tounixpath_utf8_ts(aTHX_ a,b,NULL) 172#define tounixpath_utf8(a,b,c) Perl_tounixpath_utf8(aTHX_ a,b,c) 173#define tounixpath_utf8_ts(a,b,c) Perl_tounixpath_utf8_ts(aTHX_ a,b,c) 174#define tounixspec(a,b) Perl_tounixspec_utf8(aTHX_ a,b,NULL) 175#define tounixspec_ts(a,b) Perl_tounixspec_utf8_ts(aTHX_ a,b,NULL) 176#define tounixspec_utf8(a,b,c) Perl_tounixspec_utf8(aTHX_ a,b,c) 177#define tounixspec_utf8_ts(a,b,c) Perl_tounixspec_utf8_ts(aTHX_ a,b,c) 178#define tovmspath(a,b) Perl_tovmspath_utf8(aTHX_ a,b,NULL) 179#define tovmspath_ts(a,b) Perl_tovmspath_utf8_ts(aTHX_ a,b,NULL) 180#define tovmspath_utf8(a,b,c) Perl_tovmspath_utf8(aTHX_ a,b,c) 181#define tovmspath_utf8_ts(a,b,c) Perl_tovmspath_utf8_ts(aTHX_ a,b,c) 182#define tovmsspec(a,b) Perl_tovmsspec_utf8(aTHX_ a,b,NULL) 183#define tovmsspec_ts(a,b) Perl_tovmsspec_utf8_ts(aTHX_ a,b) 184#define tovmsspec_utf8(a,b,c) Perl_tovmsspec_utf8(aTHX_ a,b,c) 185#define tovmsspec_utf8_ts(a,b,c) Perl_tovmsspec_utf8_ts(aTHX_ a,b,c) 186#define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c) 187#define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c) 188#define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a) 189#define vms_case_tolerant(a) Perl_vms_case_tolerant(a) 190#define vms_image_init(a,b) Perl_vms_image_init(a,b) 191#define vms_realname(a,b,c) Perl_vms_realname(aTHX_ a,b,c) 192#define vms_realpath(a,b,c) Perl_vms_realpath(aTHX_ a,b,c) 193#define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c) 194#define vmstrnenv(a,b,c,d,e) Perl_vmstrnenv(a,b,c,d,e) 195#define vmssetuserlnm(a,b) Perl_vmssetuserlnm(a,b) 196 197/* Delete if at all possible, changing protections if necessary. */ 198#define unlink(a) kill_file(a) 199 200/* 201 * Intercept calls to fork, so we know whether subsequent calls to 202 * exec should be handled in VMSish or Unixish style. 203 */ 204#define fork my_vfork 205#ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */ 206# ifdef vfork 207# undef vfork 208# endif 209# define vfork my_vfork 210#endif 211 212/* 213 * Toss in a shim to tmpfile which creates a plain temp file if the 214 * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs 215 * from a specific directory to permit creation of files). 216 */ 217#ifndef DONT_MASK_RTL_CALLS 218# define tmpfile Perl_my_tmpfile 219#endif 220#endif 221 222 223/* BIG_TIME: 224 * This symbol is defined if Time_t is an unsigned type on this system. 225 */ 226#define BIG_TIME 227 228/* ACME_MESS: 229 * This symbol, if defined, indicates that error messages should be 230 * should be generated in a format that allows the use of the Acme 231 * GUI/editor's autofind feature. 232 */ 233#undef ACME_MESS /**/ 234 235/* ALTERNATE_SHEBANG: 236 * This symbol, if defined, contains a "magic" string which may be used 237 * as the first line of a Perl program designed to be executed directly 238 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG 239 * begins with a character other then #, then Perl will only treat 240 * it as a command line if if finds the string "perl" in the first 241 * word; otherwise it's treated as the first line of code in the script. 242 * (IOW, Perl won't hand off to another interpreter via an alternate 243 * shebang sequence that might be legal Perl code.) 244 */ 245#define ALTERNATE_SHEBANG "$" 246 247/* Macros to set errno. */ 248#define set_errno(v) (errno = (v)) 249#define set_vaxc_errno(v) (vaxc$errno = (v)) 250 251/* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */ 252 253#define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */ 254 255#define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */ 256#define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */ 257 258#ifdef MULTIPLICITY 259# define TEST_VMSISH(h) (my_perl && PL_curcop && (PL_curcop->cop_hints & (h))) 260#else 261# define TEST_VMSISH(h) (PL_curcop && (PL_curcop->cop_hints & (h))) 262#endif 263#define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) 264#define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) 265 266/* VMS-specific data storage */ 267 268#define HAVE_INTERP_INTERN 269struct interp_intern { 270 int hushed; 271 int posix_exit; 272 double inv_rand_max; 273}; 274#define VMSISH_HUSHED (PL_sys_intern.hushed) 275#define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max) 276#define MY_POSIX_EXIT (PL_sys_intern.posix_exit) 277 278/* Flags for vmstrnenv() */ 279#define PERL__TRNENV_SECURE 0x01 280#define PERL__TRNENV_JOIN_SEARCHLIST 0x02 281 282/* Handy way to vet calls to VMS system services and RTL routines. */ 283#define _ckvmssts(call) STMT_START { unsigned long int __ckvms_sts; \ 284 if (!((__ckvms_sts=(call))&1)) { \ 285 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 286 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \ 287 __ckvms_sts,__FILE__,__LINE__); } } STMT_END 288 289/* Same thing, but don't call back to Perl's croak(); useful for errors 290 * occurring during startup, before Perl's state is initialized */ 291#define _ckvmssts_noperl(call) STMT_START { unsigned long int __ckvms_sts; \ 292 if (!((__ckvms_sts=(call))&1)) { \ 293 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 294 (void)fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \ 295 __ckvms_sts,__FILE__,__LINE__); (void)lib$signal(__ckvms_sts); } } STMT_END 296 297#ifdef VMS_DO_SOCKETS 298#define PERL_SOCK_SYSREAD_IS_RECV 299#define PERL_SOCK_SYSWRITE_IS_SEND 300#endif 301 302#define BIT_BUCKET "/dev/null" 303#define PERL_SYS_INIT_BODY(c,v) MALLOC_CHECK_TAINT2(*c,*v) vms_image_init((c),(v)); PERLIO_INIT; MALLOC_INIT 304/* Use standard PERL_SYS_TERM_BODY */ 305 306#define dXSUB_SYS dNOOP 307#define HAS_KILL 308#define HAS_WAIT 309 310#ifndef PERL_CORE 311# define PERL_FS_VER_FMT "%d_%d_%d" 312#endif 313#define PERL_FS_VERSION STRINGIFY(PERL_REVISION) "_" \ 314 STRINGIFY(PERL_VERSION) "_" \ 315 STRINGIFY(PERL_SUBVERSION) 316/* Temporary; we need to add support for this to Configure.Com */ 317#ifdef PERL_INC_VERSION_LIST 318# undef PERL_INC_VERSION_LIST 319#endif 320 321/* VMS: 322 * This symbol, if defined, indicates that the program is running under 323 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. 324 * Just in case, however . . . */ 325/* Note that code really should be using __VMS to comply with ANSI */ 326#ifndef VMS 327#define VMS /**/ 328#endif 329 330/* HAS_IOCTL: 331 * This symbol, if defined, indicates that the ioctl() routine is 332 * available to set I/O characteristics 333 */ 334#define HAS_IOCTL /**/ 335 336/* HAS_UTIME: 337 * This symbol, if defined, indicates that the routine utime() is 338 * available to update the access and modification times of files. 339 */ 340#define HAS_UTIME /**/ 341 342/* HAS_GROUP 343 * This symbol, if defined, indicates that the getgrnam() and 344 * getgrgid() routines are available to get group entries. 345 * The getgrent() has a separate definition, HAS_GETGRENT. 346 */ 347#define HAS_GROUP /**/ 348 349/* HAS_PASSWD 350 * This symbol, if defined, indicates that the getpwnam() and 351 * getpwuid() routines are available to get password entries. 352 * The getpwent() has a separate definition, HAS_GETPWENT. 353 */ 354#define HAS_PASSWD /**/ 355 356#define HAS_KILL 357#define HAS_WAIT 358 359/* USEMYBINMODE 360 * This symbol, if defined, indicates that the program should 361 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 362 * that a file is in "binary" mode -- that is, that no translation 363 * of bytes occurs on read or write operations. 364 */ 365#undef USEMYBINMODE 366 367/* Stat_t: 368 * This symbol holds the type used to declare buffers for information 369 * returned by stat(). It's usually just struct stat. It may be necessary 370 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed 371 * information. 372 */ 373/* VMS: 374 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS 375 * is in effect, since Perl's thread.h embeds one of these structs in its 376 * thread data struct, and our struct mystat is a different size from the 377 * regular struct stat (cf. note above about having to pad struct to work 378 * around bug in compiler.) 379 * It's OK to pass one of these to the RTL's stat(), though, since the 380 * fields it fills are the same in each struct. 381 */ 382#define Stat_t struct mystat 383 384/* USE_STAT_RDEV: 385* This symbol is defined if this system has a stat structure declaring 386* st_rdev 387* VMS: Field exists in POSIXish version of struct stat(), but is not used. 388* 389* No definition of what value an operating system or file system should 390* put in the st_rdev field has been found by me so far. Examination of 391* LINUX source code indicates that the value is both very platform and 392* file system specific, with many filesystems just putting 1 or 0 in it. 393* J. Malmberg. 394*/ 395#undef USE_STAT_RDEV /**/ 396 397/* 398 * fwrite1() should be a routine with the same calling sequence as fwrite(), 399 * but which outputs all of the bytes requested as a single stream (unlike 400 * fwrite() itself, which on some systems outputs several distinct records 401 * if the number_of_items parameter is >1). 402 */ 403#define fwrite1 my_fwrite 404 405 406#ifndef DONT_MASK_RTL_CALLS 407# define fwrite my_fwrite /* for PerlSIO_fwrite */ 408# define fdopen my_fdopen 409# define fclose my_fclose 410# define fgetname(a, b) my_fgetname(a, b) 411#ifdef HAS_SYMLINK 412# define symlink my_symlink 413#endif 414#endif 415 416 417/* By default, flush data all the way to disk, not just to RMS buffers */ 418#define Fflush(fp) my_flush(fp) 419 420/* Use our own rmdir() */ 421#ifndef DONT_MASK_RTL_CALLS 422#define rmdir(name) do_rmdir(name) 423#endif 424 425/* Assorted fiddling with sigs . . . */ 426# include <signal.h> 427#define ABORT() abort() 428 429#ifdef I_UTIME 430#include <utime.h> 431#else 432/* Used with our my_utime() routine in vms.c */ 433struct utimbuf { 434 time_t actime; 435 time_t modtime; 436}; 437#endif 438#ifndef DONT_MASK_RTL_CALLS 439#define utime my_utime 440#endif 441 442/* tbuffer_t was replaced with struct tms in v7.0. We no longer support 443 * systems prior to v7.0, but there could be old XS code out there that 444 * references tbuffer_t, so provide a compatibility macro. 445 */ 446 447#define tbuffer_t struct tms 448 449/* Substitute our own routines for gmtime(), localtime(), and time(), 450 * which allow us to implement the vmsish 'time' pragma, and work 451 * around absence of system-level UTC support on old versions of VMS. 452 */ 453#define gmtime(t) my_gmtime(t) 454#define localtime(t) my_localtime(t) 455#define time(t) my_time(t) 456 457/* 458 * The C RTL's sigaction fails to check for invalid signal numbers so we 459 * help it out a bit. 460 */ 461#ifndef DONT_MASK_RTL_CALLS 462# define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c) 463#endif 464#ifdef KILL_BY_SIGPRC 465# define kill Perl_my_kill 466#endif 467# define killpg Perl_my_killpg 468 469 470/* VMS doesn't use a real sys_nerr, but we need this when scanning for error 471 * messages in text strings . . . 472 */ 473 474#define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ 475 476/* Look up new %ENV values on the fly */ 477#define DYNAMIC_ENV_FETCH 1 478 /* Special getenv function for retrieving %ENV elements. */ 479#define ENVgetenv(v) my_getenv(v,FALSE) 480#define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE) 481 482 483/* Ditto for sys$hash_password() . . . */ 484#define crypt(a,b) Perl_my_crypt(aTHX_ a,b) 485 486/* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */ 487#define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode)) 488#define Chdir(dir) my_chdir((dir)) 489#ifndef DONT_MASK_RTL_CALLS 490#define chmod(file_spec, mode) my_chmod((file_spec), (mode)) 491#endif 492 493/* Use our own stat() clones, which handle Unix-style directory names */ 494#define Stat(name,bufptr) flex_stat(name,bufptr) 495#define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr) 496#ifndef DONT_MASK_RTL_CALLS 497#define lstat(name, bufptr) flex_lstat(name, bufptr) 498#endif 499 500/* Setup for the dirent routines: 501 * opendir(), closedir(), readdir(), seekdir(), telldir(), and 502 * vmsreaddirversions(), and preprocessor stuff on which these depend: 503 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. 504 * 505 */ 506 507/* Flags for the _dirdesc structure */ 508#define PERL_VMSDIR_M_VERSIONS 0x02 /* Want VMS versions */ 509#define PERL_VMSDIR_M_UNIXSPECS 0x04 /* Want UNIX specifications */ 510 511 512 /* Data structure returned by READDIR(). */ 513struct dirent { 514 char d_name[256]; /* File name */ 515 int d_namlen; /* Length of d_name */ 516 int vms_verscount; /* Number of versions */ 517 int vms_versions[20]; /* Version numbers */ 518}; 519 520 /* Handle returned by opendir(), used by the other routines. You 521 * are not supposed to care what's inside this structure. */ 522typedef struct _dirdesc { 523 long context; 524 int flags; 525 unsigned long int count; 526 char *pattern; 527 struct dirent entry; 528 struct dsc$descriptor_s pat; 529 void *mutex; 530} DIR; 531 532 533#define rewinddir(dirp) seekdir((dirp), 0) 534 535/* used for our emulation of getpw* */ 536struct passwd { 537 char *pw_name; /* Username */ 538 char *pw_passwd; 539 Uid_t pw_uid; /* UIC member number */ 540 Gid_t pw_gid; /* UIC group number */ 541 char *pw_comment; /* Default device/directory (Unix-style) */ 542 char *pw_gecos; /* Owner */ 543 char *pw_dir; /* Default device/directory (VMS-style) */ 544 char *pw_shell; /* Default CLI name (eg. DCL) */ 545}; 546#define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ 547#define getpwnam my_getpwnam 548#define getpwuid my_getpwuid 549#define getpwent my_getpwent 550#define endpwent my_endpwent 551#define setpwent my_endpwent 552 553/* Our own stat_t substitute, since we play with st_dev and st_ino - 554 * we want atomic types so Unix-bound code which compares these fields 555 * for two files will work most of the time under VMS. 556 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == 557 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type 558 * to map the unsigned int we want and the unsigned short[3] the CRTL 559 * returns into the same member, since gcc has different ideas than DECC 560 * and VAXC about sizing union types. 561 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the 562 * address of a FID. 563 */ 564/* First, grab the system types, so we don't clobber them later */ 565#include <stat.h> 566/* Since we've got to match the size of the CRTL's stat_t, we need 567 * to mimic DECC's alignment settings. 568 * 569 * The simplest thing is to just put a wrapper around the stat structure 570 * supplied by the CRTL and use #defines to redirect references to the 571 * members to the real names. 572 */ 573 574#if defined(__DECC) || defined(__DECCXX) 575# pragma __member_alignment __save 576# pragma member_alignment 577#endif 578 579typedef unsigned mydev_t; 580#if !defined(_USE_STD_STAT) && !defined(_LARGEFILE) 581typedef unsigned myino_t; 582#else 583typedef __ino64_t myino_t; 584#endif 585 586struct mystat 587{ 588 struct stat crtl_stat; 589 myino_t st_ino; 590#if !defined(_USE_STD_STAT) && !defined(_LARGEFILE) 591 unsigned rvn; /* FID (num,seq,rvn) + pad */ 592#endif 593 mydev_t st_dev; 594 char st_devnam[256]; /* Cache the (short) VMS name */ 595}; 596 597#define st_mode crtl_stat.st_mode 598#define st_nlink crtl_stat.st_nlink 599#define st_uid crtl_stat.st_uid 600#define st_gid crtl_stat.st_gid 601#define st_rdev crtl_stat.st_rdev 602#define st_size crtl_stat.st_size 603#define st_atime crtl_stat.st_atime 604#define st_mtime crtl_stat.st_mtime 605#define st_ctime crtl_stat.st_ctime 606#define st_fab_rfm crtl_stat.st_fab_rfm 607#define st_fab_rat crtl_stat.st_fab_rat 608#define st_fab_fsz crtl_stat.st_fab_fsz 609#define st_fab_mrs crtl_stat.st_fab_mrs 610 611#if defined(_USE_STD_STAT) || defined(_LARGEFILE) 612#define VMS_INO_T_COMPARE(__a, __b) (__a != __b) 613#define VMS_INO_T_COPY(__a, __b) __a = __b 614#else 615#define VMS_INO_T_COMPARE(__a, __b) memcmp(&__a, &__b, 6) 616#define VMS_INO_T_COPY(__a, __b) memcpy(&__a, &__b, 6) 617#endif 618 619#if defined(__DECC) || defined(__DECCXX) 620# pragma __member_alignment __restore 621#endif 622 623#ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ 624# ifdef stat 625# undef stat 626# endif 627# define stat mystat 628# define dev_t mydev_t 629# define ino_t myino_t 630#endif 631/* Cons up a 'delete' bit for testing access */ 632#define S_IDUSR (S_IWUSR | S_IXUSR) 633#define S_IDGRP (S_IWGRP | S_IXGRP) 634#define S_IDOTH (S_IWOTH | S_IXOTH) 635 636 637#ifndef PERL_FOR_X2P 638/* Prototypes for functions unique to vms.c. Don't include replacements 639 * for routines in the mainline source files excluded by #ifndef VMS; 640 * their prototypes are already in proto.h. 641 */ 642 643#ifdef __cplusplus 644extern "C" { 645#endif 646 647void prime_env_iter (void); 648void init_os_extras (void); 649int Perl_vms_status_to_unix(int vms_status, int child_flag); 650int Perl_unix_status_to_vms(int unix_status); 651int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); 652char * Perl_vms_realpath (pTHX_ const char *, char *, int *); 653char * Perl_my_getenv (pTHX_ const char *, bool); 654int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int); 655char * Perl_tounixspec (pTHX_ const char *, char *); 656char * Perl_tounixspec_ts (pTHX_ const char *, char *); 657char * Perl_tounixspec_utf8 (pTHX_ const char *, char *, int *); 658char * Perl_tounixspec_utf8_ts (pTHX_ const char *, char *, int *); 659char * Perl_tovmsspec (pTHX_ const char *, char *); 660char * Perl_tovmsspec_ts (pTHX_ const char *, char *); 661char * Perl_tovmsspec_utf8 (pTHX_ const char *, char *, int *); 662char * Perl_tovmsspec_utf8_ts (pTHX_ const char *, char *, int *); 663char * Perl_tounixpath (pTHX_ const char *, char *); 664char * Perl_tounixpath_ts (pTHX_ const char *, char *); 665char * Perl_tounixpath_utf8 (pTHX_ const char *, char *, int *); 666char * Perl_tounixpath_utf8_ts (pTHX_ const char *, char *, int *); 667char * Perl_tovmspath (pTHX_ const char *, char *); 668char * Perl_tovmspath_ts (pTHX_ const char *, char *); 669char * Perl_tovmspath_utf8 (pTHX_ const char *, char *, int *); 670char * Perl_tovmspath_utf8_ts (pTHX_ const char *, char *, int *); 671int Perl_do_rmdir (pTHX_ const char *); 672char * Perl_fileify_dirspec (pTHX_ const char *, char *); 673char * Perl_fileify_dirspec_ts (pTHX_ const char *, char *); 674char * Perl_fileify_dirspec_utf8 (pTHX_ const char *, char *, int *); 675char * Perl_fileify_dirspec_utf8_ts (pTHX_ const char *, char *, int *); 676char * Perl_pathify_dirspec (pTHX_ const char *, char *); 677char * Perl_pathify_dirspec_ts (pTHX_ const char *, char *); 678char * Perl_pathify_dirspec_utf8 (pTHX_ const char *, char *, int *); 679char * Perl_pathify_dirspec_utf8_ts (pTHX_ const char *, char *, int *); 680char * Perl_rmsexpand (pTHX_ const char *, char *, const char *, unsigned); 681char * Perl_rmsexpand_ts (pTHX_ const char *, char *, const char *, unsigned); 682char * Perl_rmsexpand_utf8 (pTHX_ const char *, char *, const char *, unsigned, int *, int *); 683char * Perl_rmsexpand_utf8_ts (pTHX_ const char *, char *, const char *, unsigned, int *, int *); 684int Perl_trim_unixpath (pTHX_ char *, const char*, int); 685DIR * Perl_opendir (pTHX_ const char *); 686int Perl_rename (pTHX_ const char *, const char *); 687int Perl_rmscopy (pTHX_ const char *, const char *, int); 688int Perl_my_mkdir (pTHX_ const char *, Mode_t); 689bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **); 690int Perl_vms_case_tolerant(void); 691char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool); 692int Perl_vmssetenv (pTHX_ const char *, const char *, struct dsc$descriptor_s **); 693void Perl_vmssetuserlnm(const char *name, const char *eqv); 694char * Perl_my_crypt (pTHX_ const char *, const char *); 695Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int); 696char * my_gconvert (double, int, int, char *); 697int Perl_kill_file (pTHX_ const char *); 698int Perl_my_chdir (pTHX_ const char *); 699int Perl_my_chmod(pTHX_ const char *, mode_t); 700FILE * Perl_my_tmpfile (void); 701int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*); 702#ifdef KILL_BY_SIGPRC 703unsigned int Perl_sig_to_vmscondition (int); 704int Perl_my_kill (int, int); 705int Perl_my_killpg (int, int); 706void Perl_csighandler_init (void); 707#endif 708int Perl_my_utime (pTHX_ const char *, const struct utimbuf *); 709void Perl_vms_image_init (int *, char ***); 710struct dirent * Perl_readdir (pTHX_ DIR *); 711int Perl_readdir_r(pTHX_ DIR *, struct dirent *, struct dirent **); 712long Perl_telldir (DIR *); 713void Perl_seekdir (pTHX_ DIR *, long); 714void Perl_closedir (DIR *); 715void vmsreaddirversions (DIR *, int); 716struct tm * Perl_my_gmtime (pTHX_ const time_t *); 717struct tm * Perl_my_localtime (pTHX_ const time_t *); 718time_t Perl_my_time (pTHX_ time_t *); 719I32 Perl_cando_by_name (pTHX_ I32, bool, const char *); 720int Perl_flex_fstat (pTHX_ int, Stat_t *); 721int Perl_flex_lstat (pTHX_ const char *, Stat_t *); 722int Perl_flex_stat (pTHX_ const char *, Stat_t *); 723int my_vfork (void); 724bool Perl_vms_do_exec (pTHX_ const char *); 725FILE * my_fdopen (int, const char *); 726int my_fclose (FILE *); 727int my_fwrite (const void *, size_t, size_t, FILE *); 728char * Perl_my_fgetname (FILE *fp, char *buf); 729#ifdef HAS_SYMLINK 730int Perl_my_symlink(pTHX_ const char *path1, const char *path2); 731#endif 732int Perl_my_flush (pTHX_ FILE *); 733struct passwd * Perl_my_getpwnam (pTHX_ const char *name); 734struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid); 735void Perl_my_endpwent (pTHX); 736 737/* 738 * The following prototypes are in math.h but for some reason they 739 * are ifdefed out for C++. So we have to repeat them here in order 740 * to build the POSIX extension. 741 */ 742 743#ifdef __DECCXX 744 745double exp2(double __x); 746double fdim(double __x, double __y); 747double fma(double __x, double __y, double __z); 748double fmax(double __x, double __y); 749double fmin(double __x, double __y); 750double nexttoward(double __x, long double __y); 751double remainder(double __x, double __y); 752double remquo(double __x, double __y, int *__quo); 753double tgamma(double __x); 754float exp2f(float __x); 755float fdimf(float __x, float __y); 756float fmaf(float __x, float __y, float __z); 757float fmaxf(float __x, float __y); 758float fminf(float __x, float __y); 759float nexttowardf(float __x, long double __y); 760float remainderf(float __x, float __y); 761float remquof(float __x, float __y, int *__quo); 762float tgammaf(float __x); 763long double exp2l(long double __x); 764long double fdiml(long double __x, long double __y); 765long double fmal(long double __x, long double __y, long double __z); 766long double fmaxl(long double __x, long double __y); 767long double fminl(long double __x, long double __y); 768long double nexttowardl(long double __x, long double __y); 769long double remainderl(long double __x, long double __y); 770long double remquol(long double __x, long double __y, int *__quo); 771long double tgammal(long double __x); 772int ilogb(double __x); 773int ilogbf(float __x); 774int ilogbl(long double __x); 775long int lrint(double __x); 776long int lrintf(float __x); 777long int lrintl(long double __x); 778long int lround(double __x); 779long int lroundf(float __x); 780long int lroundl(long double __x); 781 782#endif 783 784 785#ifdef __cplusplus 786} 787#endif 788 789#endif 790 791#ifndef VMS_DO_SOCKETS 792/* This relies on tricks in perl.h to pick up that these manifest constants 793 * are undefined and set up conversion routines. It will then redefine 794 * these manifest constants, so the actual values will match config.h 795 */ 796#undef HAS_HTONS 797#undef HAS_NTOHS 798#undef HAS_HTONL 799#undef HAS_NTOHL 800#endif 801 802/* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */ 803#if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000 804# undef fileno 805#endif 806 807#define NO_ENVIRON_ARRAY 808 809/* RMSEXPAND options */ 810#define PERL_RMSEXPAND_M_VMS 0x02 /* Force output to VMS format */ 811#define PERL_RMSEXPAND_M_LONG 0x04 /* Expand to long name format */ 812#define PERL_RMSEXPAND_M_VMS_IN 0x08 /* Assume input is VMS already */ 813#define PERL_RMSEXPAND_M_SYMLINK 0x20 /* Use symbolic link, not target */ 814 815/* With long doubles, NaN == NaN, which it shouldn't. */ 816#ifdef USE_LONG_DOUBLE 817# define NAN_COMPARE_BROKEN 1 818#endif 819#endif /* __vmsish_h_included */ 820