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, $? return VMS status */ 264 #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */ 265 266 #ifdef PERL_IMPLICIT_CONTEXT 267 # define TEST_VMSISH(h) (my_perl && PL_curcop && (PL_curcop->cop_hints & (h))) 268 #else 269 # define TEST_VMSISH(h) (PL_curcop && (PL_curcop->cop_hints & (h))) 270 #endif 271 #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) 272 #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) 273 274 /* VMS-specific data storage */ 275 276 #define HAVE_INTERP_INTERN 277 struct interp_intern { 278 int hushed; 279 int posix_exit; 280 double inv_rand_max; 281 }; 282 #define VMSISH_HUSHED (PL_sys_intern.hushed) 283 #define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max) 284 #define MY_POSIX_EXIT (PL_sys_intern.posix_exit) 285 286 /* Flags for vmstrnenv() */ 287 #define PERL__TRNENV_SECURE 0x01 288 #define PERL__TRNENV_JOIN_SEARCHLIST 0x02 289 290 /* Handy way to vet calls to VMS system services and RTL routines. */ 291 #define _ckvmssts(call) STMT_START { unsigned long int __ckvms_sts; \ 292 if (!((__ckvms_sts=(call))&1)) { \ 293 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 294 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \ 295 __ckvms_sts,__FILE__,__LINE__); } } STMT_END 296 297 /* Same thing, but don't call back to Perl's croak(); useful for errors 298 * occurring during startup, before Perl's state is initialized */ 299 #define _ckvmssts_noperl(call) STMT_START { unsigned long int __ckvms_sts; \ 300 if (!((__ckvms_sts=(call))&1)) { \ 301 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 302 (void)fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \ 303 __ckvms_sts,__FILE__,__LINE__); (void)lib$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 #define dXSUB_SYS dNOOP 315 #define HAS_KILL 316 #define HAS_WAIT 317 318 #ifndef PERL_CORE 319 # define PERL_FS_VER_FMT "%d_%d_%d" 320 #endif 321 #define PERL_FS_VERSION STRINGIFY(PERL_REVISION) "_" \ 322 STRINGIFY(PERL_VERSION) "_" \ 323 STRINGIFY(PERL_SUBVERSION) 324 /* Temporary; we need to add support for this to Configure.Com */ 325 #ifdef PERL_INC_VERSION_LIST 326 # undef PERL_INC_VERSION_LIST 327 #endif 328 329 /* VMS: 330 * This symbol, if defined, indicates that the program is running under 331 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. 332 * Just in case, however . . . */ 333 /* Note that code really should be using __VMS to comply with ANSI */ 334 #ifndef VMS 335 #define VMS /**/ 336 #endif 337 338 /* HAS_IOCTL: 339 * This symbol, if defined, indicates that the ioctl() routine is 340 * available to set I/O characteristics 341 */ 342 #define HAS_IOCTL /**/ 343 344 /* HAS_UTIME: 345 * This symbol, if defined, indicates that the routine utime() is 346 * available to update the access and modification times of files. 347 */ 348 #define HAS_UTIME /**/ 349 350 /* HAS_GROUP 351 * This symbol, if defined, indicates that the getgrnam() and 352 * getgrgid() routines are available to get group entries. 353 * The getgrent() has a separate definition, HAS_GETGRENT. 354 */ 355 #define HAS_GROUP /**/ 356 357 /* HAS_PASSWD 358 * This symbol, if defined, indicates that the getpwnam() and 359 * getpwuid() routines are available to get password entries. 360 * The getpwent() has a separate definition, HAS_GETPWENT. 361 */ 362 #define HAS_PASSWD /**/ 363 364 #define HAS_KILL 365 #define HAS_WAIT 366 367 /* USEMYBINMODE 368 * This symbol, if defined, indicates that the program should 369 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 370 * that a file is in "binary" mode -- that is, that no translation 371 * of bytes occurs on read or write operations. 372 */ 373 #undef USEMYBINMODE 374 375 /* Stat_t: 376 * This symbol holds the type used to declare buffers for information 377 * returned by stat(). It's usually just struct stat. It may be necessary 378 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed 379 * information. 380 */ 381 /* VMS: 382 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS 383 * is in effect, since Perl's thread.h embeds one of these structs in its 384 * thread data struct, and our struct mystat is a different size from the 385 * regular struct stat (cf. note above about having to pad struct to work 386 * around bug in compiler.) 387 * It's OK to pass one of these to the RTL's stat(), though, since the 388 * fields it fills are the same in each struct. 389 */ 390 #define Stat_t struct mystat 391 392 /* USE_STAT_RDEV: 393 * This symbol is defined if this system has a stat structure declaring 394 * st_rdev 395 * VMS: Field exists in POSIXish version of struct stat(), but is not used. 396 * 397 * No definition of what value an operating system or file system should 398 * put in the st_rdev field has been found by me so far. Examination of 399 * LINUX source code indicates that the value is both very platform and 400 * file system specific, with many filesystems just putting 1 or 0 in it. 401 * J. Malmberg. 402 */ 403 #undef USE_STAT_RDEV /**/ 404 405 /* 406 * fwrite1() should be a routine with the same calling sequence as fwrite(), 407 * but which outputs all of the bytes requested as a single stream (unlike 408 * fwrite() itself, which on some systems outputs several distinct records 409 * if the number_of_items parameter is >1). 410 */ 411 #define fwrite1 my_fwrite 412 413 414 #ifndef DONT_MASK_RTL_CALLS 415 # define fwrite my_fwrite /* for PerlSIO_fwrite */ 416 # define fdopen my_fdopen 417 # define fclose my_fclose 418 # define fgetname(a, b) my_fgetname(a, b) 419 #ifdef HAS_SYMLINK 420 # define symlink my_symlink 421 #endif 422 #endif 423 424 425 /* By default, flush data all the way to disk, not just to RMS buffers */ 426 #define Fflush(fp) my_flush(fp) 427 428 /* Use our own rmdir() */ 429 #ifndef DONT_MASK_RTL_CALLS 430 #define rmdir(name) do_rmdir(name) 431 #endif 432 433 /* Assorted fiddling with sigs . . . */ 434 # include <signal.h> 435 #define ABORT() abort() 436 437 #ifdef I_UTIME 438 #include <utime.h> 439 #else 440 /* Used with our my_utime() routine in vms.c */ 441 struct utimbuf { 442 time_t actime; 443 time_t modtime; 444 }; 445 #endif 446 #ifndef DONT_MASK_RTL_CALLS 447 #define utime my_utime 448 #endif 449 450 /* tbuffer_t was replaced with struct tms in v7.0. We no longer support 451 * systems prior to v7.0, but there could be old XS code out there that 452 * references tbuffer_t, so provide a compatibility macro. 453 */ 454 455 #define tbuffer_t struct tms 456 457 /* Substitute our own routines for gmtime(), localtime(), and time(), 458 * which allow us to implement the vmsish 'time' pragma, and work 459 * around absence of system-level UTC support on old versions of VMS. 460 */ 461 #define gmtime(t) my_gmtime(t) 462 #define localtime(t) my_localtime(t) 463 #define time(t) my_time(t) 464 465 /* 466 * The C RTL's sigaction fails to check for invalid signal numbers so we 467 * help it out a bit. 468 */ 469 #ifndef DONT_MASK_RTL_CALLS 470 # define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c) 471 #endif 472 #ifdef KILL_BY_SIGPRC 473 # define kill Perl_my_kill 474 #endif 475 # define killpg Perl_my_killpg 476 477 478 /* VMS doesn't use a real sys_nerr, but we need this when scanning for error 479 * messages in text strings . . . 480 */ 481 482 #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ 483 484 /* Look up new %ENV values on the fly */ 485 #define DYNAMIC_ENV_FETCH 1 486 /* Special getenv function for retrieving %ENV elements. */ 487 #define ENVgetenv(v) my_getenv(v,FALSE) 488 #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE) 489 490 491 /* Ditto for sys$hash_password() . . . */ 492 #define crypt(a,b) Perl_my_crypt(aTHX_ a,b) 493 494 /* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */ 495 #define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode)) 496 #define Chdir(dir) my_chdir((dir)) 497 #ifndef DONT_MASK_RTL_CALLS 498 #define chmod(file_spec, mode) my_chmod((file_spec), (mode)) 499 #endif 500 501 /* Use our own stat() clones, which handle Unix-style directory names */ 502 #define Stat(name,bufptr) flex_stat(name,bufptr) 503 #define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr) 504 #ifndef DONT_MASK_RTL_CALLS 505 #define lstat(name, bufptr) flex_lstat(name, bufptr) 506 #endif 507 508 /* Setup for the dirent routines: 509 * opendir(), closedir(), readdir(), seekdir(), telldir(), and 510 * vmsreaddirversions(), and preprocessor stuff on which these depend: 511 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. 512 * 513 */ 514 515 /* Flags for the _dirdesc structure */ 516 #define PERL_VMSDIR_M_VERSIONS 0x02 /* Want VMS versions */ 517 #define PERL_VMSDIR_M_UNIXSPECS 0x04 /* Want UNIX specifications */ 518 519 520 /* Data structure returned by READDIR(). */ 521 struct dirent { 522 char d_name[256]; /* File name */ 523 int d_namlen; /* Length of d_name */ 524 int vms_verscount; /* Number of versions */ 525 int vms_versions[20]; /* Version numbers */ 526 }; 527 528 /* Handle returned by opendir(), used by the other routines. You 529 * are not supposed to care what's inside this structure. */ 530 typedef struct _dirdesc { 531 long context; 532 int flags; 533 unsigned long int count; 534 char *pattern; 535 struct dirent entry; 536 struct dsc$descriptor_s pat; 537 void *mutex; 538 } DIR; 539 540 541 #define rewinddir(dirp) seekdir((dirp), 0) 542 543 /* used for our emulation of getpw* */ 544 struct passwd { 545 char *pw_name; /* Username */ 546 char *pw_passwd; 547 Uid_t pw_uid; /* UIC member number */ 548 Gid_t pw_gid; /* UIC group number */ 549 char *pw_comment; /* Default device/directory (Unix-style) */ 550 char *pw_gecos; /* Owner */ 551 char *pw_dir; /* Default device/directory (VMS-style) */ 552 char *pw_shell; /* Default CLI name (eg. DCL) */ 553 }; 554 #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ 555 #define getpwnam my_getpwnam 556 #define getpwuid my_getpwuid 557 #define getpwent my_getpwent 558 #define endpwent my_endpwent 559 #define setpwent my_endpwent 560 561 /* Our own stat_t substitute, since we play with st_dev and st_ino - 562 * we want atomic types so Unix-bound code which compares these fields 563 * for two files will work most of the time under VMS. 564 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == 565 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type 566 * to map the unsigned int we want and the unsigned short[3] the CRTL 567 * returns into the same member, since gcc has different ideas than DECC 568 * and VAXC about sizing union types. 569 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the 570 * address of a FID. 571 */ 572 /* First, grab the system types, so we don't clobber them later */ 573 #include <stat.h> 574 /* Since we've got to match the size of the CRTL's stat_t, we need 575 * to mimic DECC's alignment settings. 576 * 577 * The simplest thing is to just put a wrapper around the stat structure 578 * supplied by the CRTL and use #defines to redirect references to the 579 * members to the real names. 580 */ 581 582 #if defined(__DECC) || defined(__DECCXX) 583 # pragma __member_alignment __save 584 # pragma member_alignment 585 #endif 586 587 typedef unsigned mydev_t; 588 #if !defined(_USE_STD_STAT) && !defined(_LARGEFILE) 589 typedef unsigned myino_t; 590 #else 591 typedef __ino64_t myino_t; 592 #endif 593 594 struct mystat 595 { 596 struct stat crtl_stat; 597 myino_t st_ino; 598 #if !defined(_USE_STD_STAT) && !defined(_LARGEFILE) 599 unsigned rvn; /* FID (num,seq,rvn) + pad */ 600 #endif 601 mydev_t st_dev; 602 char st_devnam[256]; /* Cache the (short) VMS name */ 603 }; 604 605 #define st_mode crtl_stat.st_mode 606 #define st_nlink crtl_stat.st_nlink 607 #define st_uid crtl_stat.st_uid 608 #define st_gid crtl_stat.st_gid 609 #define st_rdev crtl_stat.st_rdev 610 #define st_size crtl_stat.st_size 611 #define st_atime crtl_stat.st_atime 612 #define st_mtime crtl_stat.st_mtime 613 #define st_ctime crtl_stat.st_ctime 614 #define st_fab_rfm crtl_stat.st_fab_rfm 615 #define st_fab_rat crtl_stat.st_fab_rat 616 #define st_fab_fsz crtl_stat.st_fab_fsz 617 #define st_fab_mrs crtl_stat.st_fab_mrs 618 619 #if defined(_USE_STD_STAT) || defined(_LARGEFILE) 620 #define VMS_INO_T_COMPARE(__a, __b) (__a != __b) 621 #define VMS_INO_T_COPY(__a, __b) __a = __b 622 #else 623 #define VMS_INO_T_COMPARE(__a, __b) memcmp(&__a, &__b, 6) 624 #define VMS_INO_T_COPY(__a, __b) memcpy(&__a, &__b, 6) 625 #endif 626 627 #if defined(__DECC) || defined(__DECCXX) 628 # pragma __member_alignment __restore 629 #endif 630 631 #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ 632 # ifdef stat 633 # undef stat 634 # endif 635 # define stat mystat 636 # define dev_t mydev_t 637 # define ino_t myino_t 638 #endif 639 /* Cons up a 'delete' bit for testing access */ 640 #define S_IDUSR (S_IWUSR | S_IXUSR) 641 #define S_IDGRP (S_IWGRP | S_IXGRP) 642 #define S_IDOTH (S_IWOTH | S_IXOTH) 643 644 645 #ifndef PERL_FOR_X2P 646 /* Prototypes for functions unique to vms.c. Don't include replacements 647 * for routines in the mainline source files excluded by #ifndef VMS; 648 * their prototypes are already in proto.h. 649 */ 650 651 #ifdef __cplusplus 652 extern "C" { 653 #endif 654 655 void prime_env_iter (void); 656 void init_os_extras (void); 657 int Perl_vms_status_to_unix(int vms_status, int child_flag); 658 int Perl_unix_status_to_vms(int unix_status); 659 int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); 660 char * Perl_vms_realpath (pTHX_ const char *, char *, int *); 661 char * Perl_my_getenv (pTHX_ const char *, bool); 662 int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int); 663 char * Perl_tounixspec (pTHX_ const char *, char *); 664 char * Perl_tounixspec_ts (pTHX_ const char *, char *); 665 char * Perl_tounixspec_utf8 (pTHX_ const char *, char *, int *); 666 char * Perl_tounixspec_utf8_ts (pTHX_ const char *, char *, int *); 667 char * Perl_tovmsspec (pTHX_ const char *, char *); 668 char * Perl_tovmsspec_ts (pTHX_ const char *, char *); 669 char * Perl_tovmsspec_utf8 (pTHX_ const char *, char *, int *); 670 char * Perl_tovmsspec_utf8_ts (pTHX_ const char *, char *, int *); 671 char * Perl_tounixpath (pTHX_ const char *, char *); 672 char * Perl_tounixpath_ts (pTHX_ const char *, char *); 673 char * Perl_tounixpath_utf8 (pTHX_ const char *, char *, int *); 674 char * Perl_tounixpath_utf8_ts (pTHX_ const char *, char *, int *); 675 char * Perl_tovmspath (pTHX_ const char *, char *); 676 char * Perl_tovmspath_ts (pTHX_ const char *, char *); 677 char * Perl_tovmspath_utf8 (pTHX_ const char *, char *, int *); 678 char * Perl_tovmspath_utf8_ts (pTHX_ const char *, char *, int *); 679 int Perl_do_rmdir (pTHX_ const char *); 680 char * Perl_fileify_dirspec (pTHX_ const char *, char *); 681 char * Perl_fileify_dirspec_ts (pTHX_ const char *, char *); 682 char * Perl_fileify_dirspec_utf8 (pTHX_ const char *, char *, int *); 683 char * Perl_fileify_dirspec_utf8_ts (pTHX_ const char *, char *, int *); 684 char * Perl_pathify_dirspec (pTHX_ const char *, char *); 685 char * Perl_pathify_dirspec_ts (pTHX_ const char *, char *); 686 char * Perl_pathify_dirspec_utf8 (pTHX_ const char *, char *, int *); 687 char * Perl_pathify_dirspec_utf8_ts (pTHX_ const char *, char *, int *); 688 char * Perl_rmsexpand (pTHX_ const char *, char *, const char *, unsigned); 689 char * Perl_rmsexpand_ts (pTHX_ const char *, char *, const char *, unsigned); 690 char * Perl_rmsexpand_utf8 (pTHX_ const char *, char *, const char *, unsigned, int *, int *); 691 char * Perl_rmsexpand_utf8_ts (pTHX_ const char *, char *, const char *, unsigned, int *, int *); 692 int Perl_trim_unixpath (pTHX_ char *, const char*, int); 693 DIR * Perl_opendir (pTHX_ const char *); 694 int Perl_rename (pTHX_ const char *, const char *); 695 int Perl_rmscopy (pTHX_ const char *, const char *, int); 696 int Perl_my_mkdir (pTHX_ const char *, Mode_t); 697 bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **); 698 int Perl_vms_case_tolerant(void); 699 char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool); 700 int Perl_vmssetenv (pTHX_ const char *, const char *, struct dsc$descriptor_s **); 701 void Perl_vmssetuserlnm(const char *name, const char *eqv); 702 char * Perl_my_crypt (pTHX_ const char *, const char *); 703 Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int); 704 char * my_gconvert (double, int, int, char *); 705 int Perl_kill_file (pTHX_ const char *); 706 int Perl_my_chdir (pTHX_ const char *); 707 int Perl_my_chmod(pTHX_ const char *, mode_t); 708 FILE * Perl_my_tmpfile (void); 709 int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*); 710 #ifdef KILL_BY_SIGPRC 711 unsigned int Perl_sig_to_vmscondition (int); 712 int Perl_my_kill (int, int); 713 int Perl_my_killpg (int, int); 714 void Perl_csighandler_init (void); 715 #endif 716 int Perl_my_utime (pTHX_ const char *, const struct utimbuf *); 717 void Perl_vms_image_init (int *, char ***); 718 struct dirent * Perl_readdir (pTHX_ DIR *); 719 int Perl_readdir_r(pTHX_ DIR *, struct dirent *, struct dirent **); 720 long Perl_telldir (DIR *); 721 void Perl_seekdir (pTHX_ DIR *, long); 722 void Perl_closedir (DIR *); 723 void vmsreaddirversions (DIR *, int); 724 struct tm * Perl_my_gmtime (pTHX_ const time_t *); 725 struct tm * Perl_my_localtime (pTHX_ const time_t *); 726 time_t Perl_my_time (pTHX_ time_t *); 727 I32 Perl_cando_by_name (pTHX_ I32, bool, const char *); 728 int Perl_flex_fstat (pTHX_ int, Stat_t *); 729 int Perl_flex_lstat (pTHX_ const char *, Stat_t *); 730 int Perl_flex_stat (pTHX_ const char *, Stat_t *); 731 int my_vfork (void); 732 bool Perl_vms_do_exec (pTHX_ const char *); 733 FILE * my_fdopen (int, const char *); 734 int my_fclose (FILE *); 735 int my_fwrite (const void *, size_t, size_t, FILE *); 736 char * Perl_my_fgetname (FILE *fp, char *buf); 737 #ifdef HAS_SYMLINK 738 int Perl_my_symlink(pTHX_ const char *path1, const char *path2); 739 #endif 740 int Perl_my_flush (pTHX_ FILE *); 741 struct passwd * Perl_my_getpwnam (pTHX_ const char *name); 742 struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid); 743 void Perl_my_endpwent (pTHX); 744 745 /* 746 * The following prototypes are in math.h but for some reason they 747 * are ifdefed out for C++. So we have to repeat them here in order 748 * to build the POSIX extension. 749 */ 750 751 #ifdef __DECCXX 752 753 double exp2(double __x); 754 double fdim(double __x, double __y); 755 double fma(double __x, double __y, double __z); 756 double fmax(double __x, double __y); 757 double fmin(double __x, double __y); 758 double nexttoward(double __x, long double __y); 759 double remainder(double __x, double __y); 760 double remquo(double __x, double __y, int *__quo); 761 double tgamma(double __x); 762 float exp2f(float __x); 763 float fdimf(float __x, float __y); 764 float fmaf(float __x, float __y, float __z); 765 float fmaxf(float __x, float __y); 766 float fminf(float __x, float __y); 767 float nexttowardf(float __x, long double __y); 768 float remainderf(float __x, float __y); 769 float remquof(float __x, float __y, int *__quo); 770 float tgammaf(float __x); 771 long double exp2l(long double __x); 772 long double fdiml(long double __x, long double __y); 773 long double fmal(long double __x, long double __y, long double __z); 774 long double fmaxl(long double __x, long double __y); 775 long double fminl(long double __x, long double __y); 776 long double nexttowardl(long double __x, long double __y); 777 long double remainderl(long double __x, long double __y); 778 long double remquol(long double __x, long double __y, int *__quo); 779 long double tgammal(long double __x); 780 int ilogb(double __x); 781 int ilogbf(float __x); 782 int ilogbl(long double __x); 783 long int lrint(double __x); 784 long int lrintf(float __x); 785 long int lrintl(long double __x); 786 long int lround(double __x); 787 long int lroundf(float __x); 788 long int lroundl(long double __x); 789 790 #endif 791 792 793 #ifdef __cplusplus 794 } 795 #endif 796 797 #endif 798 799 #ifndef VMS_DO_SOCKETS 800 /* This relies on tricks in perl.h to pick up that these manifest constants 801 * are undefined and set up conversion routines. It will then redefine 802 * these manifest constants, so the actual values will match config.h 803 */ 804 #undef HAS_HTONS 805 #undef HAS_NTOHS 806 #undef HAS_HTONL 807 #undef HAS_NTOHL 808 #endif 809 810 /* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */ 811 #if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000 812 # undef fileno 813 #endif 814 815 #define NO_ENVIRON_ARRAY 816 817 /* RMSEXPAND options */ 818 #define PERL_RMSEXPAND_M_VMS 0x02 /* Force output to VMS format */ 819 #define PERL_RMSEXPAND_M_LONG 0x04 /* Expand to long name format */ 820 #define PERL_RMSEXPAND_M_VMS_IN 0x08 /* Assume input is VMS already */ 821 #define PERL_RMSEXPAND_M_SYMLINK 0x20 /* Use symbolic link, not target */ 822 823 /* With long doubles, NaN == NaN, which it shouldn't. */ 824 #ifdef USE_LONG_DOUBLE 825 # define NAN_COMPARE_BROKEN 1 826 #endif 827 #endif /* __vmsish_h_included */ 828