vmsish.h revision 1.16
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$errno are */ 20#include <ssdef.h> /* explicitly set in the perl source code */ 21#include <stsdef.h> /* bitmasks for exit status testing */ 22 23/* Suppress compiler warnings from DECC for VMS-specific extensions: 24 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values 25 * (e.g. pointer fields of descriptors) 26 */ 27#ifdef __DECC 28# pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT) 29#endif 30#ifdef __DECCXX 31# pragma message informational (INTSIGNCHANGE,CASTQUALTYP,ASSCOMMEA,NOCTOBUTCONREFM,MISSINGRETURN) 32#endif 33 34/* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ 35#ifdef _toupper 36# undef _toupper 37#endif 38#define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040) 39#ifdef _tolower 40# undef _tolower 41#endif 42#define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040) 43 44/* Assorted things to look like Unix */ 45#include <processes.h> /* for vfork() */ 46#include <unixio.h> 47#include <unixlib.h> 48#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */ 49#if (defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000) || defined(__DECCXX) 50# include <unistd.h> /* DECC has this; gcc doesn't */ 51#endif 52 53#ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */ 54# define DONT_MASK_RTL_CALLS 55#endif 56 57#include <namdef.h> 58 59/* Set the maximum filespec size here as it is larger for EFS file 60 * specifications. 61 */ 62#ifndef VMS_MAXRSS 63#ifdef NAML$C_MAXRSS 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 */ 70 71#ifndef VMS_MAXRSS 72#define VMS_MAXRSS (NAM$C_MAXRSS + 1) 73#endif 74 75#ifndef MAXPATHLEN 76#define MAXPATHLEN (VMS_MAXRSS - 1) 77#endif 78 79 80/* Note that we do, in fact, have this */ 81#define HAS_GETENV_SV 82#define HAS_GETENV_LEN 83 84 85#ifndef PERL_FOR_X2P 86 87#ifndef DONT_MASK_RTL_CALLS 88# ifdef getenv 89# undef getenv 90# endif 91 /* getenv used for regular logical names */ 92# define getenv(v) Perl_my_getenv(aTHX_ v,TRUE) 93#endif 94#ifdef getenv_len 95# undef getenv_len 96#endif 97#define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE) 98 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 102 103/* Our own contribution to PerlShr's global symbols . . . */ 104 105#if !defined(PERL_IMPLICIT_CONTEXT) 106#define opendir Perl_opendir 107#define rename Perl_rename 108#define seekdir Perl_seekdir 109#define readdir Perl_readdir 110#define readdir_r Perl_readdir_r 111#else 112#define opendir(a) Perl_opendir(aTHX_ a) 113#define rename(a,b) Perl_rename(aTHX_ a,b) 114#define seekdir(a,b) Perl_seekdir(aTHX_ a,b) 115#define readdir(a) Perl_readdir(aTHX_ a) 116#define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c) 117#endif 118#define closedir(a) Perl_closedir(a) 119#define telldir(a) Perl_telldir(a) 120#define vmsreaddirversions(a,b) Perl_vmsreaddirversions(a,b) 121 122#define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c) 123#define do_rmdir(a) Perl_do_rmdir(aTHX_ a) 124#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b) 125#define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b) 126#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b) 127#define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b) 128#define fileify_dirspec_utf8(a,b,c) Perl_fileify_dirspec(aTHX_ a,b,utf8) 129#define fileify_dirspec_utf8_ts(a,b,c) Perl_fileify_dirspec_ts(aTHX_ a,b,utf8) 130#define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b) 131#define flex_lstat(a,b) Perl_flex_lstat(aTHX_ a,b) 132#define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b) 133#define init_os_extras Perl_init_os_extras 134#define kill_file(a) Perl_kill_file(aTHX_ a) 135#define my_chdir(a) Perl_my_chdir(aTHX_ a) 136#define my_chmod(a,b) Perl_my_chmod(aTHX_ a,b) 137#define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b) 138#define my_endpwent() Perl_my_endpwent(aTHX) 139#define my_fclose(a) Perl_my_fclose(a) 140#define my_fdopen(a,b) Perl_my_fdopen(a,b) 141#define my_flush(a) Perl_my_flush(aTHX_ a) 142#define my_fwrite(a,b,c,d) Perl_my_fwrite(a,b,c,d) 143#define my_fgetname(a,b) Perl_my_fgetname(a,b) 144#define my_gconvert(a,b,c,d) Perl_my_gconvert(a,b,c,d) 145#define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b) 146#define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c) 147#define my_getpwent() Perl_my_getpwent(aTHX) 148#define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a) 149#define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a) 150#define my_gmtime(a) Perl_my_gmtime(aTHX_ a) 151#define my_localtime(a) Perl_my_localtime(aTHX_ a) 152#define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b) 153#ifdef HAS_SYMLINK 154# define my_symlink(a,b) Perl_my_symlink(aTHX_ a,b) 155#endif 156#define my_time(a) Perl_my_time(aTHX_ a) 157#define my_tmpfile Perl_my_tmpfile 158#define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c) 159#define my_utime(a,b) Perl_my_utime(aTHX_ a,b) 160#define my_vfork Perl_my_vfork 161#define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c) 162#define pathify_dirspec(a,b) Perl_pathify_dirspec(aTHX a,b) 163#define pathify_dirspec_ts(a,b) Perl_pathify_dirspec_ts(aTHX a,b) 164#define pathify_dirspec_utf8(a,b,c) Perl_pathify_dirspec_utf8(aTHX a,b,c) 165#define pathify_dirspec_utf8_ts(a,b,c) Perl_pathify_dirspec_utf8_ts(aTHX a,b,c) 166#define prime_env_iter Perl_prime_env_iter 167#define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c) 168#define rmsexpand(a,b,c,d) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,NULL,NULL) 169#define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,NULL,NULL) 170#define rmsexpand_utf8(a,b,c,d,e,f) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,e,f) 171#define rmsexpand_utf8_ts(a,b,c,d,e,f) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,e,f) 172#define tounixpath(a,b) Perl_tounixpath_utf8(aTHX_ a,b,NULL) 173#define tounixpath_ts(a,b) Perl_tounixpath_utf8_ts(aTHX_ a,b,NULL) 174#define tounixpath_utf8(a,b,c) Perl_tounixpath_utf8(aTHX_ a,b,c) 175#define tounixpath_utf8_ts(a,b,c) Perl_tounixpath_utf8_ts(aTHX_ a,b,c) 176#define tounixspec(a,b) Perl_tounixspec_utf8(aTHX_ a,b,NULL) 177#define tounixspec_ts(a,b) Perl_tounixspec_utf8_ts(aTHX_ a,b,NULL) 178#define tounixspec_utf8(a,b,c) Perl_tounixspec_utf8(aTHX_ a,b,c) 179#define tounixspec_utf8_ts(a,b,c) Perl_tounixspec_utf8_ts(aTHX_ a,b,c) 180#define tovmspath(a,b) Perl_tovmspath_utf8(aTHX_ a,b,NULL) 181#define tovmspath_ts(a,b) Perl_tovmspath_utf8_ts(aTHX_ a,b,NULL) 182#define tovmspath_utf8(a,b,c) Perl_tovmspath_utf8(aTHX_ a,b,c) 183#define tovmspath_utf8_ts(a,b,c) Perl_tovmspath_utf8_ts(aTHX_ a,b,c) 184#define tovmsspec(a,b) Perl_tovmsspec_utf8(aTHX_ a,b,NULL) 185#define tovmsspec_ts(a,b) Perl_tovmsspec_utf8_ts(aTHX_ a,b) 186#define tovmsspec_utf8(a,b,c) Perl_tovmsspec_utf8(aTHX_ a,b,c) 187#define tovmsspec_utf8_ts(a,b,c) Perl_tovmsspec_utf8_ts(aTHX_ a,b,c) 188#define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c) 189#define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c) 190#define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a) 191#define vms_case_tolerant(a) Perl_vms_case_tolerant(a) 192#define vms_image_init(a,b) Perl_vms_image_init(a,b) 193#define vms_realname(a,b,c) Perl_vms_realname(aTHX_ a,b,c) 194#define vms_realpath(a,b,c) Perl_vms_realpath(aTHX_ a,b,c) 195#define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c) 196#define vmstrnenv(a,b,c,d,e) Perl_vmstrnenv(a,b,c,d,e) 197#define vmssetuserlnm(a,b) Perl_vmssetuserlnm(a,b) 198 199/* Delete if at all possible, changing protections if necessary. */ 200#define unlink(a) kill_file(a) 201 202/* 203 * Intercept calls to fork, so we know whether subsequent calls to 204 * exec should be handled in VMSish or Unixish style. 205 */ 206#define fork my_vfork 207#ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */ 208# ifdef vfork 209# undef vfork 210# endif 211# define vfork my_vfork 212#endif 213 214/* 215 * Toss in a shim to tmpfile which creates a plain temp file if the 216 * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs 217 * from a specific directory to permit creation of files). 218 */ 219#ifndef DONT_MASK_RTL_CALLS 220# define tmpfile Perl_my_tmpfile 221#endif 222#endif 223 224 225/* BIG_TIME: 226 * This symbol is defined if Time_t is an unsigned type on this system. 227 */ 228#define BIG_TIME 229 230/* ACME_MESS: 231 * This symbol, if defined, indicates that error messages should be 232 * should be generated in a format that allows the use of the Acme 233 * GUI/editor's autofind feature. 234 */ 235#undef ACME_MESS /**/ 236 237/* ALTERNATE_SHEBANG: 238 * This symbol, if defined, contains a "magic" string which may be used 239 * as the first line of a Perl program designed to be executed directly 240 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG 241 * begins with a character other then #, then Perl will only treat 242 * it as a command line if if finds the string "perl" in the first 243 * word; otherwise it's treated as the first line of code in the script. 244 * (IOW, Perl won't hand off to another interpreter via an alternate 245 * shebang sequence that might be legal Perl code.) 246 */ 247#define ALTERNATE_SHEBANG "$" 248 249/* Macros to set errno using the VAX thread-safe calls, if present */ 250#if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) 251# define set_errno(v) (cma$tis_errno_set_value(v)) 252 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */ 253# define set_vaxc_errno(v) (vaxc$errno = (v)) 254#else 255# define set_errno(v) (errno = (v)) 256# define set_vaxc_errno(v) (vaxc$errno = (v)) 257#endif 258 259/* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */ 260 261#define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */ 262 263#define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */ 264#define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */ 265 266#ifdef PERL_IMPLICIT_CONTEXT 267# define TEST_VMSISH(h) (my_perl && PL_curcop && (PL_curcop->cop_hints & (h))) 268#else 269# define TEST_VMSISH(h) (PL_curcop && (PL_curcop->cop_hints & (h))) 270#endif 271#define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) 272#define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) 273 274/* VMS-specific data storage */ 275 276#define HAVE_INTERP_INTERN 277struct interp_intern { 278 int hushed; 279 int posix_exit; 280 double inv_rand_max; 281}; 282#define VMSISH_HUSHED (PL_sys_intern.hushed) 283#define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max) 284#define MY_POSIX_EXIT (PL_sys_intern.posix_exit) 285 286/* Flags for vmstrnenv() */ 287#define PERL__TRNENV_SECURE 0x01 288#define PERL__TRNENV_JOIN_SEARCHLIST 0x02 289 290/* Handy way to vet calls to VMS system services and RTL routines. */ 291#define _ckvmssts(call) STMT_START { unsigned long int __ckvms_sts; \ 292 if (!((__ckvms_sts=(call))&1)) { \ 293 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 294 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \ 295 __ckvms_sts,__FILE__,__LINE__); } } STMT_END 296 297/* Same thing, but don't call back to Perl's croak(); useful for errors 298 * occurring during startup, before Perl's state is initialized */ 299#define _ckvmssts_noperl(call) STMT_START { unsigned long int __ckvms_sts; \ 300 if (!((__ckvms_sts=(call))&1)) { \ 301 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 302 (void)fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \ 303 __ckvms_sts,__FILE__,__LINE__); (void)lib$signal(__ckvms_sts); } } STMT_END 304 305#ifdef VMS_DO_SOCKETS 306#define PERL_SOCK_SYSREAD_IS_RECV 307#define PERL_SOCK_SYSWRITE_IS_SEND 308#endif 309 310#define BIT_BUCKET "/dev/null" 311#define PERL_SYS_INIT_BODY(c,v) MALLOC_CHECK_TAINT2(*c,*v) vms_image_init((c),(v)); PERLIO_INIT; MALLOC_INIT 312#define PERL_SYS_TERM_BODY() HINTS_REFCNT_TERM; OP_REFCNT_TERM; \ 313 PERLIO_TERM; MALLOC_TERM; LOCALE_TERM; \ 314 ENV_TERM; 315#define dXSUB_SYS dNOOP 316#define HAS_KILL 317#define HAS_WAIT 318 319#ifndef PERL_CORE 320# define PERL_FS_VER_FMT "%d_%d_%d" 321#endif 322#define PERL_FS_VERSION STRINGIFY(PERL_REVISION) "_" \ 323 STRINGIFY(PERL_VERSION) "_" \ 324 STRINGIFY(PERL_SUBVERSION) 325/* Temporary; we need to add support for this to Configure.Com */ 326#ifdef PERL_INC_VERSION_LIST 327# undef PERL_INC_VERSION_LIST 328#endif 329 330/* VMS: 331 * This symbol, if defined, indicates that the program is running under 332 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. 333 * Just in case, however . . . */ 334/* Note that code really should be using __VMS to comply with ANSI */ 335#ifndef VMS 336#define VMS /**/ 337#endif 338 339/* HAS_IOCTL: 340 * This symbol, if defined, indicates that the ioctl() routine is 341 * available to set I/O characteristics 342 */ 343#define HAS_IOCTL /**/ 344 345/* HAS_UTIME: 346 * This symbol, if defined, indicates that the routine utime() is 347 * available to update the access and modification times of files. 348 */ 349#define HAS_UTIME /**/ 350 351/* HAS_GROUP 352 * This symbol, if defined, indicates that the getgrnam() and 353 * getgrgid() routines are available to get group entries. 354 * The getgrent() has a separate definition, HAS_GETGRENT. 355 */ 356#define HAS_GROUP /**/ 357 358/* HAS_PASSWD 359 * This symbol, if defined, indicates that the getpwnam() and 360 * getpwuid() routines are available to get password entries. 361 * The getpwent() has a separate definition, HAS_GETPWENT. 362 */ 363#define HAS_PASSWD /**/ 364 365#define HAS_KILL 366#define HAS_WAIT 367 368/* USEMYBINMODE 369 * This symbol, if defined, indicates that the program should 370 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 371 * that a file is in "binary" mode -- that is, that no translation 372 * of bytes occurs on read or write operations. 373 */ 374#undef USEMYBINMODE 375 376/* Stat_t: 377 * This symbol holds the type used to declare buffers for information 378 * returned by stat(). It's usually just struct stat. It may be necessary 379 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed 380 * information. 381 */ 382/* VMS: 383 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS 384 * is in effect, since Perl's thread.h embeds one of these structs in its 385 * thread data struct, and our struct mystat is a different size from the 386 * regular struct stat (cf. note above about having to pad struct to work 387 * around bug in compiler.) 388 * It's OK to pass one of these to the RTL's stat(), though, since the 389 * fields it fills are the same in each struct. 390 */ 391#define Stat_t struct mystat 392 393/* USE_STAT_RDEV: 394* This symbol is defined if this system has a stat structure declaring 395* st_rdev 396* VMS: Field exists in POSIXish version of struct stat(), but is not used. 397* 398* No definition of what value an operating system or file system should 399* put in the st_rdev field has been found by me so far. Examination of 400* LINUX source code indicates that the value is both very platform and 401* file system specific, with many filesystems just putting 1 or 0 in it. 402* J. Malmberg. 403*/ 404#undef USE_STAT_RDEV /**/ 405 406/* 407 * fwrite1() should be a routine with the same calling sequence as fwrite(), 408 * but which outputs all of the bytes requested as a single stream (unlike 409 * fwrite() itself, which on some systems outputs several distinct records 410 * if the number_of_items parameter is >1). 411 */ 412#define fwrite1 my_fwrite 413 414 415#ifndef DONT_MASK_RTL_CALLS 416# define fwrite my_fwrite /* for PerlSIO_fwrite */ 417# define fdopen my_fdopen 418# define fclose my_fclose 419# define fgetname(a, b) my_fgetname(a, b) 420#ifdef HAS_SYMLINK 421# define symlink my_symlink 422#endif 423#endif 424 425 426/* By default, flush data all the way to disk, not just to RMS buffers */ 427#define Fflush(fp) my_flush(fp) 428 429/* Use our own rmdir() */ 430#ifndef DONT_MASK_RTL_CALLS 431#define rmdir(name) do_rmdir(name) 432#endif 433 434/* Assorted fiddling with sigs . . . */ 435# include <signal.h> 436#define ABORT() abort() 437 438#ifdef I_UTIME 439#include <utime.h> 440#else 441/* Used with our my_utime() routine in vms.c */ 442struct utimbuf { 443 time_t actime; 444 time_t modtime; 445}; 446#endif 447#ifndef DONT_MASK_RTL_CALLS 448#define utime my_utime 449#endif 450 451/* tbuffer_t was replaced with struct tms in v7.0. We no longer support 452 * systems prior to v7.0, but there could be old XS code out there that 453 * references tbuffer_t, so provide a compatibility macro. 454 */ 455 456#define tbuffer_t struct tms 457 458/* Substitute our own routines for gmtime(), localtime(), and time(), 459 * which allow us to implement the vmsish 'time' pragma, and work 460 * around absence of system-level UTC support on old versions of VMS. 461 */ 462#define gmtime(t) my_gmtime(t) 463#define localtime(t) my_localtime(t) 464#define time(t) my_time(t) 465 466/* 467 * The C RTL's sigaction fails to check for invalid signal numbers so we 468 * help it out a bit. 469 */ 470#ifndef DONT_MASK_RTL_CALLS 471# define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c) 472#endif 473#ifdef KILL_BY_SIGPRC 474# define kill Perl_my_kill 475#endif 476# define killpg Perl_my_killpg 477 478 479/* VMS doesn't use a real sys_nerr, but we need this when scanning for error 480 * messages in text strings . . . 481 */ 482 483#define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ 484 485/* Look up new %ENV values on the fly */ 486#define DYNAMIC_ENV_FETCH 1 487 /* Special getenv function for retrieving %ENV elements. */ 488#define ENVgetenv(v) my_getenv(v,FALSE) 489#define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE) 490 491 492/* Ditto for sys$hash_password() . . . */ 493#define crypt(a,b) Perl_my_crypt(aTHX_ a,b) 494 495/* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */ 496#define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode)) 497#define Chdir(dir) my_chdir((dir)) 498#ifndef DONT_MASK_RTL_CALLS 499#define chmod(file_spec, mode) my_chmod((file_spec), (mode)) 500#endif 501 502/* Use our own stat() clones, which handle Unix-style directory names */ 503#define Stat(name,bufptr) flex_stat(name,bufptr) 504#define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr) 505#ifndef DONT_MASK_RTL_CALLS 506#define lstat(name, bufptr) flex_lstat(name, bufptr) 507#endif 508 509/* Setup for the dirent routines: 510 * opendir(), closedir(), readdir(), seekdir(), telldir(), and 511 * vmsreaddirversions(), and preprocessor stuff on which these depend: 512 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. 513 * 514 */ 515 516/* Flags for the _dirdesc structure */ 517#define PERL_VMSDIR_M_VERSIONS 0x02 /* Want VMS versions */ 518#define PERL_VMSDIR_M_UNIXSPECS 0x04 /* Want UNIX specifications */ 519 520 521 /* Data structure returned by READDIR(). */ 522struct dirent { 523 char d_name[256]; /* File name */ 524 int d_namlen; /* Length of d_name */ 525 int vms_verscount; /* Number of versions */ 526 int vms_versions[20]; /* Version numbers */ 527}; 528 529 /* Handle returned by opendir(), used by the other routines. You 530 * are not supposed to care what's inside this structure. */ 531typedef struct _dirdesc { 532 long context; 533 int flags; 534 unsigned long int count; 535 char *pattern; 536 struct dirent entry; 537 struct dsc$descriptor_s pat; 538 void *mutex; 539} DIR; 540 541 542#define rewinddir(dirp) seekdir((dirp), 0) 543 544/* used for our emulation of getpw* */ 545struct passwd { 546 char *pw_name; /* Username */ 547 char *pw_passwd; 548 Uid_t pw_uid; /* UIC member number */ 549 Gid_t pw_gid; /* UIC group number */ 550 char *pw_comment; /* Default device/directory (Unix-style) */ 551 char *pw_gecos; /* Owner */ 552 char *pw_dir; /* Default device/directory (VMS-style) */ 553 char *pw_shell; /* Default CLI name (eg. DCL) */ 554}; 555#define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ 556#define getpwnam my_getpwnam 557#define getpwuid my_getpwuid 558#define getpwent my_getpwent 559#define endpwent my_endpwent 560#define setpwent my_endpwent 561 562/* Our own stat_t substitute, since we play with st_dev and st_ino - 563 * we want atomic types so Unix-bound code which compares these fields 564 * for two files will work most of the time under VMS. 565 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == 566 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type 567 * to map the unsigned int we want and the unsigned short[3] the CRTL 568 * returns into the same member, since gcc has different ideas than DECC 569 * and VAXC about sizing union types. 570 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the 571 * address of a FID. 572 */ 573/* First, grab the system types, so we don't clobber them later */ 574#include <stat.h> 575/* Since we've got to match the size of the CRTL's stat_t, we need 576 * to mimic DECC's alignment settings. 577 * 578 * The simplest thing is to just put a wrapper around the stat structure 579 * supplied by the CRTL and use #defines to redirect references to the 580 * members to the real names. 581 */ 582 583#if defined(__DECC) || defined(__DECCXX) 584# pragma __member_alignment __save 585# pragma member_alignment 586#endif 587 588typedef unsigned mydev_t; 589#if !defined(_USE_STD_STAT) && !defined(_LARGEFILE) 590typedef unsigned myino_t; 591#else 592typedef __ino64_t myino_t; 593#endif 594 595struct mystat 596{ 597 struct stat crtl_stat; 598 myino_t st_ino; 599#if !defined(_USE_STD_STAT) && !defined(_LARGEFILE) 600 unsigned rvn; /* FID (num,seq,rvn) + pad */ 601#endif 602 mydev_t st_dev; 603 char st_devnam[256]; /* Cache the (short) VMS name */ 604}; 605 606#define st_mode crtl_stat.st_mode 607#define st_nlink crtl_stat.st_nlink 608#define st_uid crtl_stat.st_uid 609#define st_gid crtl_stat.st_gid 610#define st_rdev crtl_stat.st_rdev 611#define st_size crtl_stat.st_size 612#define st_atime crtl_stat.st_atime 613#define st_mtime crtl_stat.st_mtime 614#define st_ctime crtl_stat.st_ctime 615#define st_fab_rfm crtl_stat.st_fab_rfm 616#define st_fab_rat crtl_stat.st_fab_rat 617#define st_fab_fsz crtl_stat.st_fab_fsz 618#define st_fab_mrs crtl_stat.st_fab_mrs 619 620#if defined(_USE_STD_STAT) || defined(_LARGEFILE) 621#define VMS_INO_T_COMPARE(__a, __b) (__a != __b) 622#define VMS_INO_T_COPY(__a, __b) __a = __b 623#else 624#define VMS_INO_T_COMPARE(__a, __b) memcmp(&__a, &__b, 6) 625#define VMS_INO_T_COPY(__a, __b) memcpy(&__a, &__b, 6) 626#endif 627 628#if defined(__DECC) || defined(__DECCXX) 629# pragma __member_alignment __restore 630#endif 631 632#ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ 633# ifdef stat 634# undef stat 635# endif 636# define stat mystat 637# define dev_t mydev_t 638# define ino_t myino_t 639#endif 640/* Cons up a 'delete' bit for testing access */ 641#define S_IDUSR (S_IWUSR | S_IXUSR) 642#define S_IDGRP (S_IWGRP | S_IXGRP) 643#define S_IDOTH (S_IWOTH | S_IXOTH) 644 645 646#ifndef PERL_FOR_X2P 647/* Prototypes for functions unique to vms.c. Don't include replacements 648 * for routines in the mainline source files excluded by #ifndef VMS; 649 * their prototypes are already in proto.h. 650 */ 651 652#ifdef __cplusplus 653extern "C" { 654#endif 655 656void prime_env_iter (void); 657void init_os_extras (void); 658int Perl_vms_status_to_unix(int vms_status, int child_flag); 659int Perl_unix_status_to_vms(int unix_status); 660int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); 661char * Perl_vms_realpath (pTHX_ const char *, char *, int *); 662char * Perl_my_getenv (pTHX_ const char *, bool); 663int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int); 664char * Perl_tounixspec (pTHX_ const char *, char *); 665char * Perl_tounixspec_ts (pTHX_ const char *, char *); 666char * Perl_tounixspec_utf8 (pTHX_ const char *, char *, int *); 667char * Perl_tounixspec_utf8_ts (pTHX_ const char *, char *, int *); 668char * Perl_tovmsspec (pTHX_ const char *, char *); 669char * Perl_tovmsspec_ts (pTHX_ const char *, char *); 670char * Perl_tovmsspec_utf8 (pTHX_ const char *, char *, int *); 671char * Perl_tovmsspec_utf8_ts (pTHX_ const char *, char *, int *); 672char * Perl_tounixpath (pTHX_ const char *, char *); 673char * Perl_tounixpath_ts (pTHX_ const char *, char *); 674char * Perl_tounixpath_utf8 (pTHX_ const char *, char *, int *); 675char * Perl_tounixpath_utf8_ts (pTHX_ const char *, char *, int *); 676char * Perl_tovmspath (pTHX_ const char *, char *); 677char * Perl_tovmspath_ts (pTHX_ const char *, char *); 678char * Perl_tovmspath_utf8 (pTHX_ const char *, char *, int *); 679char * Perl_tovmspath_utf8_ts (pTHX_ const char *, char *, int *); 680int Perl_do_rmdir (pTHX_ const char *); 681char * Perl_fileify_dirspec (pTHX_ const char *, char *); 682char * Perl_fileify_dirspec_ts (pTHX_ const char *, char *); 683char * Perl_fileify_dirspec_utf8 (pTHX_ const char *, char *, int *); 684char * Perl_fileify_dirspec_utf8_ts (pTHX_ const char *, char *, int *); 685char * Perl_pathify_dirspec (pTHX_ const char *, char *); 686char * Perl_pathify_dirspec_ts (pTHX_ const char *, char *); 687char * Perl_pathify_dirspec_utf8 (pTHX_ const char *, char *, int *); 688char * Perl_pathify_dirspec_utf8_ts (pTHX_ const char *, char *, int *); 689char * Perl_rmsexpand (pTHX_ const char *, char *, const char *, unsigned); 690char * Perl_rmsexpand_ts (pTHX_ const char *, char *, const char *, unsigned); 691char * Perl_rmsexpand_utf8 (pTHX_ const char *, char *, const char *, unsigned, int *, int *); 692char * Perl_rmsexpand_utf8_ts (pTHX_ const char *, char *, const char *, unsigned, int *, int *); 693int Perl_trim_unixpath (pTHX_ char *, const char*, int); 694DIR * Perl_opendir (pTHX_ const char *); 695int Perl_rename (pTHX_ const char *, const char *); 696int Perl_rmscopy (pTHX_ const char *, const char *, int); 697int Perl_my_mkdir (pTHX_ const char *, Mode_t); 698bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **); 699int Perl_vms_case_tolerant(void); 700char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool); 701int Perl_vmssetenv (pTHX_ const char *, const char *, struct dsc$descriptor_s **); 702void Perl_vmssetuserlnm(const char *name, const char *eqv); 703char * Perl_my_crypt (pTHX_ const char *, const char *); 704Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int); 705char * my_gconvert (double, int, int, char *); 706int Perl_kill_file (pTHX_ const char *); 707int Perl_my_chdir (pTHX_ const char *); 708int Perl_my_chmod(pTHX_ const char *, mode_t); 709FILE * Perl_my_tmpfile (void); 710int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*); 711#ifdef KILL_BY_SIGPRC 712unsigned int Perl_sig_to_vmscondition (int); 713int Perl_my_kill (int, int); 714int Perl_my_killpg (int, int); 715void Perl_csighandler_init (void); 716#endif 717int Perl_my_utime (pTHX_ const char *, const struct utimbuf *); 718void Perl_vms_image_init (int *, char ***); 719struct dirent * Perl_readdir (pTHX_ DIR *); 720int Perl_readdir_r(pTHX_ DIR *, struct dirent *, struct dirent **); 721long Perl_telldir (DIR *); 722void Perl_seekdir (pTHX_ DIR *, long); 723void Perl_closedir (DIR *); 724void vmsreaddirversions (DIR *, int); 725struct tm * Perl_my_gmtime (pTHX_ const time_t *); 726struct tm * Perl_my_localtime (pTHX_ const time_t *); 727time_t Perl_my_time (pTHX_ time_t *); 728I32 Perl_cando_by_name (pTHX_ I32, bool, const char *); 729int Perl_flex_fstat (pTHX_ int, Stat_t *); 730int Perl_flex_lstat (pTHX_ const char *, Stat_t *); 731int Perl_flex_stat (pTHX_ const char *, Stat_t *); 732int my_vfork (void); 733bool Perl_vms_do_exec (pTHX_ const char *); 734FILE * my_fdopen (int, const char *); 735int my_fclose (FILE *); 736int my_fwrite (const void *, size_t, size_t, FILE *); 737char * Perl_my_fgetname (FILE *fp, char *buf); 738#ifdef HAS_SYMLINK 739int Perl_my_symlink(pTHX_ const char *path1, const char *path2); 740#endif 741int Perl_my_flush (pTHX_ FILE *); 742struct passwd * Perl_my_getpwnam (pTHX_ const char *name); 743struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid); 744void Perl_my_endpwent (pTHX); 745 746/* 747 * The following prototypes are in math.h but for some reason they 748 * are ifdefed out for C++. So we have to repeat them here in order 749 * to build the POSIX extension. 750 */ 751 752#ifdef __DECCXX 753 754double exp2(double __x); 755double fdim(double __x, double __y); 756double fma(double __x, double __y, double __z); 757double fmax(double __x, double __y); 758double fmin(double __x, double __y); 759double nexttoward(double __x, long double __y); 760double remainder(double __x, double __y); 761double remquo(double __x, double __y, int *__quo); 762double tgamma(double __x); 763float exp2f(float __x); 764float fdimf(float __x, float __y); 765float fmaf(float __x, float __y, float __z); 766float fmaxf(float __x, float __y); 767float fminf(float __x, float __y); 768float nexttowardf(float __x, long double __y); 769float remainderf(float __x, float __y); 770float remquof(float __x, float __y, int *__quo); 771float tgammaf(float __x); 772long double exp2l(long double __x); 773long double fdiml(long double __x, long double __y); 774long double fmal(long double __x, long double __y, long double __z); 775long double fmaxl(long double __x, long double __y); 776long double fminl(long double __x, long double __y); 777long double nexttowardl(long double __x, long double __y); 778long double remainderl(long double __x, long double __y); 779long double remquol(long double __x, long double __y, int *__quo); 780long double tgammal(long double __x); 781int ilogb(double __x); 782int ilogbf(float __x); 783int ilogbl(long double __x); 784long int lrint(double __x); 785long int lrintf(float __x); 786long int lrintl(long double __x); 787long int lround(double __x); 788long int lroundf(float __x); 789long int lroundl(long double __x); 790 791#endif 792 793 794#ifdef __cplusplus 795} 796#endif 797 798#endif 799 800#ifndef VMS_DO_SOCKETS 801/* This relies on tricks in perl.h to pick up that these manifest constants 802 * are undefined and set up conversion routines. It will then redefine 803 * these manifest constants, so the actual values will match config.h 804 */ 805#undef HAS_HTONS 806#undef HAS_NTOHS 807#undef HAS_HTONL 808#undef HAS_NTOHL 809#endif 810 811/* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */ 812#if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000 813# undef fileno 814#endif 815 816#define NO_ENVIRON_ARRAY 817 818/* RMSEXPAND options */ 819#define PERL_RMSEXPAND_M_VMS 0x02 /* Force output to VMS format */ 820#define PERL_RMSEXPAND_M_LONG 0x04 /* Expand to long name format */ 821#define PERL_RMSEXPAND_M_VMS_IN 0x08 /* Assume input is VMS already */ 822#define PERL_RMSEXPAND_M_SYMLINK 0x20 /* Use symbolic link, not target */ 823 824/* With long doubles, NaN == NaN, which it shouldn't. */ 825#ifdef USE_LONG_DOUBLE 826# define NAN_COMPARE_BROKEN 1 827#endif 828#endif /* __vmsish_h_included */ 829