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$errno are */ 20 #include <ssdef.h> /* explicitly set in the perl source code */ 21 #include <stsdef.h> /* bitmasks for exit status testing */ 22 23 /* Suppress compiler warnings from DECC for VMS-specific extensions: 24 * ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values 25 * (e.g. pointer fields of descriptors) 26 */ 27 #ifdef __DECC 28 # pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT) 29 #endif 30 #ifdef __DECCXX 31 # pragma message informational (INTSIGNCHANGE,CASTQUALTYP,ASSCOMMEA,NOCTOBUTCONREFM) 32 #endif 33 34 /* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */ 35 #ifdef _toupper 36 # undef _toupper 37 #endif 38 #define _toupper(c) (((c) < 'a' || (c) > 'z') ? (c) : (c) & ~040) 39 #ifdef _tolower 40 # undef _tolower 41 #endif 42 #define _tolower(c) (((c) < 'A' || (c) > 'Z') ? (c) : (c) | 040) 43 44 /* Assorted things to look like Unix */ 45 #ifdef __GNUC__ 46 #ifndef _IOLBF /* gcc's stdio.h doesn't define this */ 47 #define _IOLBF 1 48 #endif 49 #endif 50 #include <processes.h> /* for vfork() */ 51 #include <unixio.h> 52 #include <unixlib.h> 53 #include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */ 54 #if (defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000) || defined(__DECCXX) 55 # include <unistd.h> /* DECC has this; gcc doesn't */ 56 #endif 57 58 #ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */ 59 # define DONT_MASK_RTL_CALLS 60 #endif 61 62 #include <namdef.h> 63 64 /* Set the maximum filespec size here as it is larger for EFS file 65 * specifications. 66 */ 67 #ifndef __VAX 68 #ifndef VMS_MAXRSS 69 #ifdef NAML$C_MAXRSS 70 #define VMS_MAXRSS (NAML$C_MAXRSS+1) 71 #ifndef VMS_LONGNAME_SUPPORT 72 #define VMS_LONGNAME_SUPPORT 1 73 #endif /* VMS_LONGNAME_SUPPORT */ 74 #endif /* NAML$C_MAXRSS */ 75 #endif /* VMS_MAXRSS */ 76 #endif 77 78 #ifndef VMS_MAXRSS 79 #define VMS_MAXRSS (NAM$C_MAXRSS + 1) 80 #endif 81 82 #ifndef MAXPATHLEN 83 #define MAXPATHLEN (VMS_MAXRSS - 1) 84 #endif 85 86 87 /* Note that we do, in fact, have this */ 88 #define HAS_GETENV_SV 89 #define HAS_GETENV_LEN 90 91 92 #ifndef PERL_FOR_X2P 93 94 #ifndef DONT_MASK_RTL_CALLS 95 # ifdef getenv 96 # undef getenv 97 # endif 98 /* getenv used for regular logical names */ 99 # define getenv(v) Perl_my_getenv(aTHX_ v,TRUE) 100 #endif 101 #ifdef getenv_len 102 # undef getenv_len 103 #endif 104 #define getenv_len(v,l) Perl_my_getenv_len(aTHX_ v,l,TRUE) 105 106 /* DECC introduces this routine in the RTL as of VMS 7.0; for now, 107 * we'll use ours, since it gives us the full VMS exit status. */ 108 #define waitpid my_waitpid 109 110 /* Don't redeclare standard RTL routines in Perl's header files; 111 * VMS history or extensions makes some of the formal protoypes 112 * differ from the common Unix forms. 113 */ 114 #define DONT_DECLARE_STD 1 115 116 /* Our own contribution to PerlShr's global symbols . . . */ 117 118 #if !defined(PERL_IMPLICIT_CONTEXT) 119 #define opendir Perl_opendir 120 #define rename Perl_rename 121 #define seekdir Perl_seekdir 122 #define readdir Perl_readdir 123 #define readdir_r Perl_readdir_r 124 #else 125 #define opendir(a) Perl_opendir(aTHX_ a) 126 #define rename(a,b) Perl_rename(aTHX_ a,b) 127 #define seekdir(a,b) Perl_seekdir(aTHX_ a,b) 128 #define readdir(a) Perl_readdir(aTHX_ a) 129 #define readdir_r(a,b,c) Perl_readdir_r(aTHX_ a,b,c) 130 #endif 131 #define closedir(a) Perl_closedir(a) 132 #define telldir(a) Perl_telldir(a) 133 #define vmsreaddirversions(a,b) Perl_vmsreaddirversions(a,b) 134 135 #define cando_by_name(a,b,c) Perl_cando_by_name(aTHX_ a,b,c) 136 #define do_rmdir(a) Perl_do_rmdir(aTHX_ a) 137 #define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b) 138 #define fileify_dirspec(a,b) Perl_fileify_dirspec(aTHX_ a,b) 139 #define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b) 140 #define fileify_dirspec_ts(a,b) Perl_fileify_dirspec_ts(aTHX_ a,b) 141 #define fileify_dirspec_utf8(a,b,c) Perl_fileify_dirspec(aTHX_ a,b,utf8) 142 #define fileify_dirspec_utf8_ts(a,b,c) Perl_fileify_dirspec_ts(aTHX_ a,b,utf8) 143 #define flex_fstat(a,b) Perl_flex_fstat(aTHX_ a,b) 144 #define flex_lstat(a,b) Perl_flex_lstat(aTHX_ a,b) 145 #define flex_stat(a,b) Perl_flex_stat(aTHX_ a,b) 146 #define init_os_extras Perl_init_os_extras 147 #define kill_file(a) Perl_kill_file(aTHX_ a) 148 #define my_chdir(a) Perl_my_chdir(aTHX_ a) 149 #define my_chmod(a,b) Perl_my_chmod(aTHX_ a,b) 150 #define my_crypt(a,b) Perl_my_crypt(aTHX_ a,b) 151 #define my_endpwent() Perl_my_endpwent(aTHX) 152 #define my_fclose(a) Perl_my_fclose(a) 153 #define my_fdopen(a,b) Perl_my_fdopen(a,b) 154 #define my_flush(a) Perl_my_flush(aTHX_ a) 155 #define my_fwrite(a,b,c,d) Perl_my_fwrite(a,b,c,d) 156 #define my_fgetname(a,b) Perl_my_fgetname(a,b) 157 #define my_gconvert(a,b,c,d) Perl_my_gconvert(a,b,c,d) 158 #define my_getenv(a,b) Perl_my_getenv(aTHX_ a,b) 159 #define my_getenv_len(a,b,c) Perl_my_getenv_len(aTHX_ a,b,c) 160 #define my_getlogin Perl_my_getlogin 161 #define my_getpwent() Perl_my_getpwent(aTHX) 162 #define my_getpwnam(a) Perl_my_getpwnam(aTHX_ a) 163 #define my_getpwuid(a) Perl_my_getpwuid(aTHX_ a) 164 #define my_gmtime(a) Perl_my_gmtime(aTHX_ a) 165 #define my_localtime(a) Perl_my_localtime(aTHX_ a) 166 #define my_mkdir(a,b) Perl_my_mkdir(aTHX_ a,b) 167 #define my_sigemptyset(a) Perl_my_sigemptyset(a) 168 #define my_sigfillset(a) Perl_my_sigfillset(a) 169 #define my_sigaddset(a,b) Perl_my_sigaddset(a,b) 170 #define my_sigdelset(a,b,c) Perl_my_sigdelset(a,b,c) 171 #define my_sigismember(a,b) Perl_my_sigismember(a,b) 172 #define my_sigprocmask(a,b,c) Perl_my_sigprocmask(a,b,c) 173 #ifdef HAS_SYMLINK 174 # define my_symlink(a,b) Perl_my_symlink(aTHX_ a,b) 175 #endif 176 #define my_time(a) Perl_my_time(aTHX_ a) 177 #define my_tmpfile Perl_my_tmpfile 178 #define my_trnlnm(a,b,c) Perl_my_trnlnm(aTHX_ a,b,c) 179 #define my_utime(a,b) Perl_my_utime(aTHX_ a,b) 180 #define my_vfork Perl_my_vfork 181 #define my_waitpid(a,b,c) Perl_my_waitpid(aTHX_ a,b,c) 182 #define pathify_dirspec(a,b) Perl_pathify_dirspec(aTHX a,b) 183 #define pathify_dirspec_ts(a,b) Perl_pathify_dirspec_ts(aTHX a,b) 184 #define pathify_dirspec_utf8(a,b,c) Perl_pathify_dirspec_utf8(aTHX a,b,c) 185 #define pathify_dirspec_utf8_ts(a,b,c) Perl_pathify_dirspec_utf8_ts(aTHX a,b,c) 186 #define prime_env_iter Perl_prime_env_iter 187 #define rmscopy(a,b,c) Perl_rmscopy(aTHX_ a,b,c) 188 #define rmsexpand(a,b,c,d) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,NULL,NULL) 189 #define rmsexpand_ts(a,b,c,d) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,NULL,NULL) 190 #define rmsexpand_utf8(a,b,c,d,e,f) Perl_rmsexpand_utf8(aTHX_ a,b,c,d,e,f) 191 #define rmsexpand_utf8_ts(a,b,c,d,e,f) Perl_rmsexpand_utf8_ts(aTHX_ a,b,c,d,e,f) 192 #define tounixpath(a,b) Perl_tounixpath_utf8(aTHX_ a,b,NULL) 193 #define tounixpath_ts(a,b) Perl_tounixpath_utf8_ts(aTHX_ a,b,NULL) 194 #define tounixpath_utf8(a,b,c) Perl_tounixpath_utf8(aTHX_ a,b,c) 195 #define tounixpath_utf8_ts(a,b,c) Perl_tounixpath_utf8_ts(aTHX_ a,b,c) 196 #define tounixspec(a,b) Perl_tounixspec_utf8(aTHX_ a,b,NULL) 197 #define tounixspec_ts(a,b) Perl_tounixspec_utf8_ts(aTHX_ a,b,NULL) 198 #define tounixspec_utf8(a,b,c) Perl_tounixspec_utf8(aTHX_ a,b,c) 199 #define tounixspec_utf8_ts(a,b,c) Perl_tounixspec_utf8_ts(aTHX_ a,b,c) 200 #define tovmspath(a,b) Perl_tovmspath_utf8(aTHX_ a,b,NULL) 201 #define tovmspath_ts(a,b) Perl_tovmspath_utf8_ts(aTHX_ a,b,NULL) 202 #define tovmspath_utf8(a,b,c) Perl_tovmspath_utf8(aTHX_ a,b,c) 203 #define tovmspath_utf8_ts(a,b,c) Perl_tovmspath_utf8_ts(aTHX_ a,b,c) 204 #define tovmsspec(a,b) Perl_tovmsspec_utf8(aTHX_ a,b,NULL) 205 #define tovmsspec_ts(a,b) Perl_tovmsspec_utf8_ts(aTHX_ a,b) 206 #define tovmsspec_utf8(a,b,c) Perl_tovmsspec_utf8(aTHX_ a,b,c) 207 #define tovmsspec_utf8_ts(a,b,c) Perl_tovmsspec_utf8_ts(aTHX_ a,b,c) 208 #define trim_unixpath(a,b,c) Perl_trim_unixpath(aTHX_ a,b,c) 209 #define vms_do_aexec(a,b,c) Perl_vms_do_aexec(aTHX_ a,b,c) 210 #define vms_do_exec(a) Perl_vms_do_exec(aTHX_ a) 211 #define vms_case_tolerant(a) Perl_vms_case_tolerant(a) 212 #define vms_image_init(a,b) Perl_vms_image_init(a,b) 213 #define vms_realname(a,b,c) Perl_vms_realname(aTHX_ a,b,c) 214 #define vms_realpath(a,b,c) Perl_vms_realpath(aTHX_ a,b,c) 215 #define vmssetenv(a,b,c) Perl_vmssetenv(aTHX_ a,b,c) 216 #define vmstrnenv(a,b,c,d,e) Perl_vmstrnenv(a,b,c,d,e) 217 #define vmssetuserlnm(a,b) Perl_vmssetuserlnm(a,b) 218 219 /* Delete if at all possible, changing protections if necessary. */ 220 #define unlink(a) kill_file(a) 221 222 /* 223 * Intercept calls to fork, so we know whether subsequent calls to 224 * exec should be handled in VMSish or Unixish style. 225 */ 226 #define fork my_vfork 227 #ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */ 228 # ifdef vfork 229 # undef vfork 230 # endif 231 # define vfork my_vfork 232 #endif 233 234 /* 235 * Toss in a shim to tmpfile which creates a plain temp file if the 236 * RMS tmp mechanism won't work (e.g. if someone is relying on ACLs 237 * from a specific directory to permit creation of files). 238 */ 239 #ifndef DONT_MASK_RTL_CALLS 240 # define tmpfile Perl_my_tmpfile 241 #endif 242 #endif 243 244 245 /* BIG_TIME: 246 * This symbol is defined if Time_t is an unsigned type on this system. 247 */ 248 #define BIG_TIME 249 250 /* ACME_MESS: 251 * This symbol, if defined, indicates that error messages should be 252 * should be generated in a format that allows the use of the Acme 253 * GUI/editor's autofind feature. 254 */ 255 #undef ACME_MESS /**/ 256 257 /* ALTERNATE_SHEBANG: 258 * This symbol, if defined, contains a "magic" string which may be used 259 * as the first line of a Perl program designed to be executed directly 260 * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG 261 * begins with a character other then #, then Perl will only treat 262 * it as a command line if if finds the string "perl" in the first 263 * word; otherwise it's treated as the first line of code in the script. 264 * (IOW, Perl won't hand off to another interpreter via an alternate 265 * shebang sequence that might be legal Perl code.) 266 */ 267 #define ALTERNATE_SHEBANG "$" 268 269 /* Macros to set errno using the VAX thread-safe calls, if present */ 270 #if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA) 271 # define set_errno(v) (cma$tis_errno_set_value(v)) 272 void cma$tis_errno_set_value(int __value); /* missing in some errno.h */ 273 # define set_vaxc_errno(v) (vaxc$errno = (v)) 274 #else 275 # define set_errno(v) (errno = (v)) 276 # define set_vaxc_errno(v) (vaxc$errno = (v)) 277 #endif 278 279 /* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */ 280 281 #define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */ 282 283 #define HINT_V_VMSISH 24 284 #define HINT_M_VMSISH_STATUS 0x40000000 /* system, $? return VMS status */ 285 #define HINT_M_VMSISH_TIME 0x80000000 /* times are local, not UTC */ 286 #define NATIVE_HINTS (PL_hints >> HINT_V_VMSISH) /* used in op.c */ 287 288 #ifdef PERL_IMPLICIT_CONTEXT 289 # define TEST_VMSISH(h) (my_perl && PL_curcop && (PL_curcop->op_private & ((h) >> HINT_V_VMSISH))) 290 #else 291 # define TEST_VMSISH(h) (PL_curcop && (PL_curcop->op_private & ((h) >> HINT_V_VMSISH))) 292 #endif 293 #define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS) 294 #define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME) 295 296 /* VMS-specific data storage */ 297 298 #define HAVE_INTERP_INTERN 299 struct interp_intern { 300 int hushed; 301 int posix_exit; 302 double inv_rand_max; 303 }; 304 #define VMSISH_HUSHED (PL_sys_intern.hushed) 305 #define MY_INV_RAND_MAX (PL_sys_intern.inv_rand_max) 306 #define MY_POSIX_EXIT (PL_sys_intern.posix_exit) 307 308 /* Flags for vmstrnenv() */ 309 #define PERL__TRNENV_SECURE 0x01 310 #define PERL__TRNENV_JOIN_SEARCHLIST 0x02 311 312 /* Handy way to vet calls to VMS system services and RTL routines. */ 313 #define _ckvmssts(call) STMT_START { unsigned long int __ckvms_sts; \ 314 if (!((__ckvms_sts=(call))&1)) { \ 315 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 316 Perl_croak(aTHX_ "Fatal VMS error (status=%d) at %s, line %d", \ 317 __ckvms_sts,__FILE__,__LINE__); } } STMT_END 318 319 /* Same thing, but don't call back to Perl's croak(); useful for errors 320 * occurring during startup, before Perl's state is initialized */ 321 #define _ckvmssts_noperl(call) STMT_START { unsigned long int __ckvms_sts; \ 322 if (!((__ckvms_sts=(call))&1)) { \ 323 set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \ 324 (void)fprintf(stderr,"Fatal VMS error (status=%d) at %s, line %d", \ 325 __ckvms_sts,__FILE__,__LINE__); (void)lib$signal(__ckvms_sts); } } STMT_END 326 327 #ifdef VMS_DO_SOCKETS 328 #define PERL_SOCK_SYSREAD_IS_RECV 329 #define PERL_SOCK_SYSWRITE_IS_SEND 330 #endif 331 332 #define BIT_BUCKET "/dev/null" 333 #define PERL_SYS_INIT_BODY(c,v) MALLOC_CHECK_TAINT2(*c,*v) vms_image_init((c),(v)); PERLIO_INIT; MALLOC_INIT 334 #define PERL_SYS_TERM_BODY() HINTS_REFCNT_TERM; OP_REFCNT_TERM; PERLIO_TERM; MALLOC_TERM 335 #define dXSUB_SYS 336 #define HAS_KILL 337 #define HAS_WAIT 338 339 #ifndef PERL_CORE 340 # define PERL_FS_VER_FMT "%d_%d_%d" 341 #endif 342 #define PERL_FS_VERSION STRINGIFY(PERL_REVISION) "_" \ 343 STRINGIFY(PERL_VERSION) "_" \ 344 STRINGIFY(PERL_SUBVERSION) 345 /* Temporary; we need to add support for this to Configure.Com */ 346 #ifdef PERL_INC_VERSION_LIST 347 # undef PERL_INC_VERSION_LIST 348 #endif 349 350 /* VMS: 351 * This symbol, if defined, indicates that the program is running under 352 * VMS. It's a symbol automagically defined by all VMS C compilers I've seen. 353 * Just in case, however . . . */ 354 /* Note that code really should be using __VMS to comply with ANSI */ 355 #ifndef VMS 356 #define VMS /**/ 357 #endif 358 359 /* HAS_IOCTL: 360 * This symbol, if defined, indicates that the ioctl() routine is 361 * available to set I/O characteristics 362 */ 363 #define HAS_IOCTL /**/ 364 365 /* HAS_UTIME: 366 * This symbol, if defined, indicates that the routine utime() is 367 * available to update the access and modification times of files. 368 */ 369 #define HAS_UTIME /**/ 370 371 /* HAS_GROUP 372 * This symbol, if defined, indicates that the getgrnam() and 373 * getgrgid() routines are available to get group entries. 374 * The getgrent() has a separate definition, HAS_GETGRENT. 375 */ 376 #if __CRTL_VER >= 70302000 377 #define HAS_GROUP /**/ 378 #else 379 #undef HAS_GROUP /**/ 380 #endif 381 382 /* HAS_PASSWD 383 * This symbol, if defined, indicates that the getpwnam() and 384 * getpwuid() routines are available to get password entries. 385 * The getpwent() has a separate definition, HAS_GETPWENT. 386 */ 387 #define HAS_PASSWD /**/ 388 389 #define HAS_KILL 390 #define HAS_WAIT 391 392 /* USEMYBINMODE 393 * This symbol, if defined, indicates that the program should 394 * use the routine my_binmode(FILE *fp, char iotype, int mode) to insure 395 * that a file is in "binary" mode -- that is, that no translation 396 * of bytes occurs on read or write operations. 397 */ 398 #undef USEMYBINMODE 399 400 /* Stat_t: 401 * This symbol holds the type used to declare buffers for information 402 * returned by stat(). It's usually just struct stat. It may be necessary 403 * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed 404 * information. 405 */ 406 /* VMS: 407 * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS 408 * is in effect, since Perl's thread.h embeds one of these structs in its 409 * thread data struct, and our struct mystat is a different size from the 410 * regular struct stat (cf. note above about having to pad struct to work 411 * around bug in compiler.) 412 * It's OK to pass one of these to the RTL's stat(), though, since the 413 * fields it fills are the same in each struct. 414 */ 415 #define Stat_t struct mystat 416 417 /* USE_STAT_RDEV: 418 * This symbol is defined if this system has a stat structure declaring 419 * st_rdev 420 * VMS: Field exists in POSIXish version of struct stat(), but is not used. 421 * 422 * No definition of what value an operating system or file system should 423 * put in the st_rdev field has been found by me so far. Examination of 424 * LINUX source code indicates that the value is both very platform and 425 * file system specific, with many filesystems just putting 1 or 0 in it. 426 * J. Malmberg. 427 */ 428 #undef USE_STAT_RDEV /**/ 429 430 /* 431 * fwrite1() should be a routine with the same calling sequence as fwrite(), 432 * but which outputs all of the bytes requested as a single stream (unlike 433 * fwrite() itself, which on some systems outputs several distinct records 434 * if the number_of_items parameter is >1). 435 */ 436 #define fwrite1 my_fwrite 437 438 439 #ifndef DONT_MASK_RTL_CALLS 440 # define fwrite my_fwrite /* for PerlSIO_fwrite */ 441 # define fdopen my_fdopen 442 # define fclose my_fclose 443 # define fgetname(a, b) my_fgetname(a, b) 444 #ifdef HAS_SYMLINK 445 # define symlink my_symlink 446 #endif 447 #endif 448 449 450 /* By default, flush data all the way to disk, not just to RMS buffers */ 451 #define Fflush(fp) my_flush(fp) 452 453 /* Use our own rmdir() */ 454 #ifndef DONT_MASK_RTL_CALLS 455 #define rmdir(name) do_rmdir(name) 456 #endif 457 458 /* Assorted fiddling with sigs . . . */ 459 # include <signal.h> 460 #define ABORT() abort() 461 462 #ifdef I_UTIME 463 #include <utime.h> 464 #else 465 /* Used with our my_utime() routine in vms.c */ 466 struct utimbuf { 467 time_t actime; 468 time_t modtime; 469 }; 470 #endif 471 #ifndef DONT_MASK_RTL_CALLS 472 #define utime my_utime 473 #endif 474 475 /* tbuffer_t was replaced with struct tms in v7.0. We no longer support 476 * systems prior to v7.0, but there could be old XS code out there that 477 * references tbuffer_t, so provide a compatibility macro. 478 */ 479 480 #define tbuffer_t struct tms 481 482 /* Substitute our own routines for gmtime(), localtime(), and time(), 483 * which allow us to implement the vmsish 'time' pragma, and work 484 * around absence of system-level UTC support on old versions of VMS. 485 */ 486 #define gmtime(t) my_gmtime(t) 487 #define localtime(t) my_localtime(t) 488 #define time(t) my_time(t) 489 490 /* 491 * The C RTL's sigaction fails to check for invalid signal numbers so we 492 * help it out a bit. 493 */ 494 #ifndef DONT_MASK_RTL_CALLS 495 # define sigaction(a,b,c) Perl_my_sigaction(aTHX_ a,b,c) 496 #endif 497 #ifdef KILL_BY_SIGPRC 498 # define kill Perl_my_kill 499 #endif 500 501 502 /* VMS doesn't use a real sys_nerr, but we need this when scanning for error 503 * messages in text strings . . . 504 */ 505 506 #define sys_nerr EVMSERR /* EVMSERR is as high as we can go. */ 507 508 /* Look up new %ENV values on the fly */ 509 #define DYNAMIC_ENV_FETCH 1 510 /* Special getenv function for retrieving %ENV elements. */ 511 #define ENVgetenv(v) my_getenv(v,FALSE) 512 #define ENVgetenv_len(v,l) my_getenv_len(v,l,FALSE) 513 514 515 /* Thin jacket around cuserid() to match Unix' calling sequence */ 516 #define getlogin my_getlogin 517 518 /* Ditto for sys$hash_password() . . . */ 519 #define crypt(a,b) Perl_my_crypt(aTHX_ a,b) 520 521 /* Tweak arg to mkdir & chdir first, so we can tolerate trailing /. */ 522 #define Mkdir(dir,mode) Perl_my_mkdir(aTHX_ (dir),(mode)) 523 #define Chdir(dir) my_chdir((dir)) 524 #ifndef DONT_MASK_RTL_CALLS 525 #define chmod(file_spec, mode) my_chmod((file_spec), (mode)) 526 #endif 527 528 /* Use our own stat() clones, which handle Unix-style directory names */ 529 #define Stat(name,bufptr) flex_stat(name,bufptr) 530 #define Fstat(fd,bufptr) Perl_flex_fstat(aTHX_ fd,bufptr) 531 #ifndef DONT_MASK_RTL_CALLS 532 #define lstat(name, bufptr) flex_lstat(name, bufptr) 533 #endif 534 535 /* Setup for the dirent routines: 536 * opendir(), closedir(), readdir(), seekdir(), telldir(), and 537 * vmsreaddirversions(), and preprocessor stuff on which these depend: 538 * Written by Rich $alz, <rsalz@bbn.com> in August, 1990. 539 * 540 */ 541 542 /* Flags for the _dirdesc structure */ 543 #define PERL_VMSDIR_M_VERSIONS 0x02 /* Want VMS versions */ 544 #define PERL_VMSDIR_M_UNIXSPECS 0x04 /* Want UNIX specifications */ 545 546 547 /* Data structure returned by READDIR(). */ 548 struct dirent { 549 char d_name[256]; /* File name */ 550 int d_namlen; /* Length of d_name */ 551 int vms_verscount; /* Number of versions */ 552 int vms_versions[20]; /* Version numbers */ 553 }; 554 555 /* Handle returned by opendir(), used by the other routines. You 556 * are not supposed to care what's inside this structure. */ 557 typedef struct _dirdesc { 558 long context; 559 int flags; 560 unsigned long int count; 561 char *pattern; 562 struct dirent entry; 563 struct dsc$descriptor_s pat; 564 void *mutex; 565 } DIR; 566 567 568 #define rewinddir(dirp) seekdir((dirp), 0) 569 570 /* used for our emulation of getpw* */ 571 struct passwd { 572 char *pw_name; /* Username */ 573 char *pw_passwd; 574 Uid_t pw_uid; /* UIC member number */ 575 Gid_t pw_gid; /* UIC group number */ 576 char *pw_comment; /* Default device/directory (Unix-style) */ 577 char *pw_gecos; /* Owner */ 578 char *pw_dir; /* Default device/directory (VMS-style) */ 579 char *pw_shell; /* Default CLI name (eg. DCL) */ 580 }; 581 #define pw_unixdir pw_comment /* Default device/directory (Unix-style) */ 582 #define getpwnam my_getpwnam 583 #define getpwuid my_getpwuid 584 #define getpwent my_getpwent 585 #define endpwent my_endpwent 586 #define setpwent my_endpwent 587 588 /* Our own stat_t substitute, since we play with st_dev and st_ino - 589 * we want atomic types so Unix-bound code which compares these fields 590 * for two files will work most of the time under VMS. 591 * N.B. 1. The st_ino hack assumes that sizeof(unsigned short[3]) == 592 * sizeof(unsigned) + sizeof(unsigned short). We can't use a union type 593 * to map the unsigned int we want and the unsigned short[3] the CRTL 594 * returns into the same member, since gcc has different ideas than DECC 595 * and VAXC about sizing union types. 596 * N.B. 2. The routine cando() in vms.c assumes that &stat.st_ino is the 597 * address of a FID. 598 */ 599 /* First, grab the system types, so we don't clobber them later */ 600 #include <stat.h> 601 /* Since we've got to match the size of the CRTL's stat_t, we need 602 * to mimic DECC's alignment settings. 603 * 604 * The simplest thing is to just put a wrapper around the stat structure 605 * supplied by the CRTL and use #defines to redirect references to the 606 * members to the real names. 607 */ 608 609 #if defined(__DECC) || defined(__DECCXX) 610 # pragma __member_alignment __save 611 # pragma member_alignment 612 #endif 613 614 typedef unsigned mydev_t; 615 #ifndef _LARGEFILE 616 typedef unsigned myino_t; 617 #else 618 typedef __ino64_t myino_t; 619 #endif 620 621 struct mystat 622 { 623 struct stat crtl_stat; 624 myino_t st_ino; 625 #ifndef _LARGEFILE 626 unsigned rvn; /* FID (num,seq,rvn) + pad */ 627 #endif 628 mydev_t st_dev; 629 char st_devnam[256]; /* Cache the (short) VMS name */ 630 }; 631 632 #define st_mode crtl_stat.st_mode 633 #define st_nlink crtl_stat.st_nlink 634 #define st_uid crtl_stat.st_uid 635 #define st_gid crtl_stat.st_gid 636 #define st_rdev crtl_stat.st_rdev 637 #define st_size crtl_stat.st_size 638 #define st_atime crtl_stat.st_atime 639 #define st_mtime crtl_stat.st_mtime 640 #define st_ctime crtl_stat.st_ctime 641 #define st_fab_rfm crtl_stat.st_fab_rfm 642 #define st_fab_rat crtl_stat.st_fab_rat 643 #define st_fab_fsz crtl_stat.st_fab_fsz 644 #define st_fab_mrs crtl_stat.st_fab_mrs 645 646 #ifdef _USE_STD_STAT 647 #define VMS_INO_T_COMPARE(__a, __b) (__a != __b) 648 #define VMS_INO_T_COPY(__a, __b) __a = __b 649 #else 650 #define VMS_INO_T_COMPARE(__a, __b) memcmp(&__a, &__b, 6) 651 #define VMS_INO_T_COPY(__a, __b) memcpy(&__a, &__b, 6) 652 #endif 653 654 #if defined(__DECC) || defined(__DECCXX) 655 # pragma __member_alignment __restore 656 #endif 657 658 #ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */ 659 # ifdef stat 660 # undef stat 661 # endif 662 # define stat mystat 663 # define dev_t mydev_t 664 # define ino_t myino_t 665 #endif 666 /* Cons up a 'delete' bit for testing access */ 667 #define S_IDUSR (S_IWUSR | S_IXUSR) 668 #define S_IDGRP (S_IWGRP | S_IXGRP) 669 #define S_IDOTH (S_IWOTH | S_IXOTH) 670 671 672 #ifndef PERL_FOR_X2P 673 /* Prototypes for functions unique to vms.c. Don't include replacements 674 * for routines in the mainline source files excluded by #ifndef VMS; 675 * their prototypes are already in proto.h. 676 */ 677 678 #ifdef __cplusplus 679 extern "C" { 680 #endif 681 682 void prime_env_iter (void); 683 void init_os_extras (void); 684 int Perl_vms_status_to_unix(int vms_status, int child_flag); 685 int Perl_unix_status_to_vms(int unix_status); 686 int Perl_vmstrnenv (const char *, char *, unsigned long int, struct dsc$descriptor_s **, unsigned long int); 687 char * Perl_vms_realpath (pTHX_ const char *, char *, int *); 688 char * Perl_my_getenv (pTHX_ const char *, bool); 689 int Perl_my_trnlnm (pTHX_ const char *, char *, unsigned long int); 690 char * Perl_tounixspec (pTHX_ const char *, char *); 691 char * Perl_tounixspec_ts (pTHX_ const char *, char *); 692 char * Perl_tounixspec_utf8 (pTHX_ const char *, char *, int *); 693 char * Perl_tounixspec_utf8_ts (pTHX_ const char *, char *, int *); 694 char * Perl_tovmsspec (pTHX_ const char *, char *); 695 char * Perl_tovmsspec_ts (pTHX_ const char *, char *); 696 char * Perl_tovmsspec_utf8 (pTHX_ const char *, char *, int *); 697 char * Perl_tovmsspec_utf8_ts (pTHX_ const char *, char *, int *); 698 char * Perl_tounixpath (pTHX_ const char *, char *); 699 char * Perl_tounixpath_ts (pTHX_ const char *, char *); 700 char * Perl_tounixpath_utf8 (pTHX_ const char *, char *, int *); 701 char * Perl_tounixpath_utf8_ts (pTHX_ const char *, char *, int *); 702 char * Perl_tovmspath (pTHX_ const char *, char *); 703 char * Perl_tovmspath_ts (pTHX_ const char *, char *); 704 char * Perl_tovmspath_utf8 (pTHX_ const char *, char *, int *); 705 char * Perl_tovmspath_utf8_ts (pTHX_ const char *, char *, int *); 706 int Perl_do_rmdir (pTHX_ const char *); 707 char * Perl_fileify_dirspec (pTHX_ const char *, char *); 708 char * Perl_fileify_dirspec_ts (pTHX_ const char *, char *); 709 char * Perl_fileify_dirspec_utf8 (pTHX_ const char *, char *, int *); 710 char * Perl_fileify_dirspec_utf8_ts (pTHX_ const char *, char *, int *); 711 char * Perl_pathify_dirspec (pTHX_ const char *, char *); 712 char * Perl_pathify_dirspec_ts (pTHX_ const char *, char *); 713 char * Perl_pathify_dirspec_utf8 (pTHX_ const char *, char *, int *); 714 char * Perl_pathify_dirspec_utf8_ts (pTHX_ const char *, char *, int *); 715 char * Perl_rmsexpand (pTHX_ const char *, char *, const char *, unsigned); 716 char * Perl_rmsexpand_ts (pTHX_ const char *, char *, const char *, unsigned); 717 char * Perl_rmsexpand_utf8 (pTHX_ const char *, char *, const char *, unsigned, int *, int *); 718 char * Perl_rmsexpand_utf8_ts (pTHX_ const char *, char *, const char *, unsigned, int *, int *); 719 int Perl_trim_unixpath (pTHX_ char *, const char*, int); 720 DIR * Perl_opendir (pTHX_ const char *); 721 int Perl_rename (pTHX_ const char *, const char *); 722 int Perl_rmscopy (pTHX_ const char *, const char *, int); 723 int Perl_my_mkdir (pTHX_ const char *, Mode_t); 724 bool Perl_vms_do_aexec (pTHX_ SV *, SV **, SV **); 725 int Perl_vms_case_tolerant(void); 726 char * Perl_my_getenv_len (pTHX_ const char *, unsigned long *, bool); 727 int Perl_vmssetenv (pTHX_ const char *, const char *, struct dsc$descriptor_s **); 728 void Perl_vmssetuserlnm(const char *name, const char *eqv); 729 char * Perl_my_crypt (pTHX_ const char *, const char *); 730 Pid_t Perl_my_waitpid (pTHX_ Pid_t, int *, int); 731 char * my_gconvert (double, int, int, char *); 732 int Perl_kill_file (pTHX_ const char *); 733 int Perl_my_chdir (pTHX_ const char *); 734 int Perl_my_chmod(pTHX_ const char *, mode_t); 735 FILE * Perl_my_tmpfile (void); 736 int Perl_my_sigaction (pTHX_ int, const struct sigaction*, struct sigaction*); 737 #ifdef KILL_BY_SIGPRC 738 unsigned int Perl_sig_to_vmscondition (int); 739 int Perl_my_kill (int, int); 740 void Perl_csighandler_init (void); 741 #endif 742 int Perl_my_utime (pTHX_ const char *, const struct utimbuf *); 743 void Perl_vms_image_init (int *, char ***); 744 struct dirent * Perl_readdir (pTHX_ DIR *); 745 int Perl_readdir_r(pTHX_ DIR *, struct dirent *, struct dirent **); 746 long Perl_telldir (DIR *); 747 void Perl_seekdir (pTHX_ DIR *, long); 748 void Perl_closedir (DIR *); 749 void vmsreaddirversions (DIR *, int); 750 struct tm * Perl_my_gmtime (pTHX_ const time_t *); 751 struct tm * Perl_my_localtime (pTHX_ const time_t *); 752 time_t Perl_my_time (pTHX_ time_t *); 753 I32 Perl_cando_by_name (pTHX_ I32, bool, const char *); 754 int Perl_flex_fstat (pTHX_ int, Stat_t *); 755 int Perl_flex_lstat (pTHX_ const char *, Stat_t *); 756 int Perl_flex_stat (pTHX_ const char *, Stat_t *); 757 int my_vfork (void); 758 bool Perl_vms_do_exec (pTHX_ const char *); 759 FILE * my_fdopen (int, const char *); 760 int my_fclose (FILE *); 761 int my_fwrite (const void *, size_t, size_t, FILE *); 762 char * Perl_my_fgetname (FILE *fp, char *buf); 763 #ifdef HAS_SYMLINK 764 int Perl_my_symlink(pTHX_ const char *path1, const char *path2); 765 #endif 766 int Perl_my_flush (pTHX_ FILE *); 767 struct passwd * Perl_my_getpwnam (pTHX_ const char *name); 768 struct passwd * Perl_my_getpwuid (pTHX_ Uid_t uid); 769 void Perl_my_endpwent (pTHX); 770 char * my_getlogin (void); 771 772 #ifdef __cplusplus 773 } 774 #endif 775 776 #endif 777 778 #ifndef VMS_DO_SOCKETS 779 /* This relies on tricks in perl.h to pick up that these manifest constants 780 * are undefined and set up conversion routines. It will then redefine 781 * these manifest constants, so the actual values will match config.h 782 */ 783 #undef HAS_HTONS 784 #undef HAS_NTOHS 785 #undef HAS_HTONL 786 #undef HAS_NTOHL 787 #endif 788 789 /* The C RTL manual says to undef the macro for DEC C 5.2 and lower. */ 790 #if defined(fileno) && defined(__DECC_VER) && __DECC_VER < 50300000 791 # undef fileno 792 #endif 793 794 #define NO_ENVIRON_ARRAY 795 796 /* RMSEXPAND options */ 797 #define PERL_RMSEXPAND_M_VMS 0x02 /* Force output to VMS format */ 798 #define PERL_RMSEXPAND_M_LONG 0x04 /* Expand to long name format */ 799 #define PERL_RMSEXPAND_M_VMS_IN 0x08 /* Assume input is VMS already */ 800 #define PERL_RMSEXPAND_M_SYMLINK 0x20 /* Use symbolic link, not target */ 801 802 #endif /* __vmsish_h_included */ 803