1 /* $Header: /src/pub/tcsh/sh.h,v 3.114 2004/02/21 20:34:25 christos Exp $ */ 2 /* 3 * sh.h: Catch it all globals and includes file! 4 */ 5 /*- 6 * Copyright (c) 1980, 1991 The Regents of the University of California. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 #ifndef _h_sh 34 #define _h_sh 35 36 #include "config.h" 37 38 #ifndef HAVE_QUAD 39 #ifdef __GNUC__ 40 #define HAVE_QUAD 1 41 #endif 42 #endif 43 44 #ifndef EXTERN 45 # define EXTERN extern 46 #else /* !EXTERN */ 47 # ifdef WINNT_NATIVE 48 # define IZERO = 0 49 # define IZERO_STRUCT = {0} 50 # endif /* WINNT_NATIVE */ 51 #endif /* EXTERN */ 52 53 #ifndef IZERO 54 # define IZERO 55 #endif /* IZERO */ 56 #ifndef IZERO_STRUCT 57 # define IZERO_STRUCT 58 # endif /* IZERO_STRUCT */ 59 60 #ifndef WINNT_NATIVE 61 # define INIT_ZERO 62 # define INIT_ZERO_STRUCT 63 # define force_read read 64 #endif /*!WINNT_NATIVE */ 65 /* 66 * Sanity 67 */ 68 #if defined(_POSIX_SOURCE) && !defined(POSIX) 69 # define POSIX 70 #endif 71 72 #if defined(POSIXJOBS) && !defined(BSDJOBS) 73 # define BSDJOBS 74 #endif 75 76 #if defined(POSIXSIGS) && !defined(BSDSIGS) 77 # define BSDSIGS 78 #endif 79 80 #ifdef SHORT_STRINGS 81 typedef short Char; 82 typedef unsigned short uChar; 83 # define SAVE(a) (Strsave(str2short(a))) 84 #else 85 typedef char Char; 86 typedef unsigned char uChar; 87 # define SAVE(a) (strsave(a)) 88 #endif 89 90 /* Elide unused argument warnings */ 91 #define USE(a) (void) (a) 92 /* 93 * If your compiler complains, then you can either 94 * throw it away and get gcc or, use the following define 95 * and get rid of the typedef. 96 * [The 4.2/3BSD vax compiler does not like that] 97 * Both MULTIFLOW and PCC compilers exhbit this bug. -- sterling@netcom.com 98 */ 99 #ifdef SIGVOID 100 # if (defined(vax) || defined(uts) || defined(MULTIFLOW) || defined(PCC)) && !defined(__GNUC__) 101 # define sigret_t void 102 # else /* !((vax || uts || MULTIFLOW || PCC) && !__GNUC__) */ 103 typedef void sigret_t; 104 # endif /* (vax || uts || MULTIFLOW || PCC) && !__GNUC__ */ 105 #else /* !SIGVOID */ 106 typedef int sigret_t; 107 #endif /* SIGVOID */ 108 109 /* 110 * Return true if the path is absolute 111 */ 112 #if defined(WINNT_NATIVE) 113 # define ABSOLUTEP(p) ((p)[0] == '/' || \ 114 (Isalpha((p)[0]) && (p)[1] == ':')) 115 #elif defined(__CYGWIN__) 116 # define ABSOLUTEP(p) ((p)[0] == '/' || \ 117 (Isalpha((p)[0]) && (p)[1] == ':' && \ 118 ((p)[2] == '\0' || (p)[2] == '/'))) 119 #else /* !WINNT_NATIVE && !__CYGWIN__ */ 120 # define ABSOLUTEP(p) (*(p) == '/') 121 #endif /* WINNT_NATIVE || __CYGWIN__ */ 122 123 /* 124 * Fundamental definitions which may vary from system to system. 125 * 126 * BUFSIZE The i/o buffering size; also limits word size 127 * MAILINTVL How often to mailcheck; more often is more expensive 128 */ 129 #ifdef BUFSIZE 130 # if BUFSIZE < 4096 131 # undef BUFSIZE 132 # define BUFSIZE 4096 /* buffer size should be no less than this */ 133 # endif 134 #else 135 # define BUFSIZE 4096 136 #endif /* BUFSIZE */ 137 138 #define FORKSLEEP 10 /* delay loop on non-interactive fork failure */ 139 #define MAILINTVL 600 /* 10 minutes */ 140 141 #ifndef INBUFSIZE 142 # define INBUFSIZE 2*BUFSIZE /* Num input characters on the command line */ 143 #endif /* INBUFSIZE */ 144 145 146 /* 147 * What our builtin echo looks like 148 */ 149 #define NONE_ECHO 0 150 #define BSD_ECHO 1 151 #define SYSV_ECHO 2 152 #define BOTH_ECHO (BSD_ECHO|SYSV_ECHO) 153 154 #ifndef ECHO_STYLE 155 # if SYSVREL > 0 156 # define ECHO_STYLE SYSV_ECHO 157 # else /* SYSVREL == 0 */ 158 # define ECHO_STYLE BSD_ECHO 159 # endif /* SYSVREL */ 160 #endif /* ECHO_STYLE */ 161 162 /* 163 * The shell moves std in/out/diag and the old std input away from units 164 * 0, 1, and 2 so that it is easy to set up these standards for invoked 165 * commands. 166 */ 167 #define FSHTTY 15 /* /dev/tty when manip pgrps */ 168 #define FSHIN 16 /* Preferred desc for shell input */ 169 #define FSHOUT 17 /* ... shell output */ 170 #define FSHDIAG 18 /* ... shell diagnostics */ 171 #define FOLDSTD 19 /* ... old std input */ 172 173 #ifdef PROF 174 #define xexit(n) done(n) 175 #endif 176 177 #ifdef cray 178 # define word word_t /* sys/types.h defines word.. bad move! */ 179 #endif 180 181 #include <sys/types.h> 182 183 #ifdef cray 184 # undef word 185 #endif 186 187 /* 188 * Path separator in environment variables 189 */ 190 #ifndef PATHSEP 191 # if defined(__EMX__) || defined(WINNT_NATIVE) 192 # define PATHSEP ';' 193 # else /* unix */ 194 # define PATHSEP ':' 195 # endif /* __EMX__ || WINNT_NATIVE */ 196 #endif /* !PATHSEP */ 197 198 #if defined(__HP_CXD_SPP) && !defined(__hpux) 199 # include <sys/cnx_stat.h> 200 # define stat stat64 201 # define fstat fstat64 202 # define lstat lstat64 203 #endif /* __HP_CXD_SPP && !__hpux */ 204 205 /* 206 * This macro compares the st_dev field of struct stat. On aix on ibmESA 207 * st_dev is a structure, so comparison does not work. 208 */ 209 #ifndef DEV_DEV_COMPARE 210 # define DEV_DEV_COMPARE(x,y) ((x) == (y)) 211 #endif /* DEV_DEV_COMPARE */ 212 213 #ifdef _SEQUENT_ 214 # include <sys/procstats.h> 215 #endif /* _SEQUENT_ */ 216 #if (defined(POSIX) || SYSVREL > 0) && !defined(WINNT_NATIVE) 217 # include <sys/times.h> 218 #endif /* (POSIX || SYSVREL > 0) && !WINNT_NATIVE */ 219 220 #ifdef NLS 221 # include <locale.h> 222 #endif /* NLS */ 223 224 225 #if !defined(_MINIX) && !defined(_VMS_POSIX) && !defined(WINNT_NATIVE) && !defined(__MVS__) 226 # include <sys/param.h> 227 #endif /* !_MINIX && !_VMS_POSIX && !WINNT_NATIVE && !__MVS__ */ 228 #include <sys/stat.h> 229 230 #if defined(BSDTIMES) || defined(BSDLIMIT) 231 # include <sys/time.h> 232 # if SYSVREL>3 && !defined(SCO) && !defined(sgi) && !defined(SNI) && !defined(sun) && !(defined(__alpha) && defined(__osf__)) && !defined(_SX) && !defined(__MVS__) 233 # include "/usr/ucbinclude/sys/resource.h" 234 # else 235 # ifdef convex 236 # define sysrusage cvxrusage 237 # include <sys/sysinfo.h> 238 # else 239 # define sysrusage rusage 240 # include <sys/resource.h> 241 # endif /* convex */ 242 # endif /* SYSVREL>3 */ 243 #endif /* BSDTIMES */ 244 245 #ifndef WINNT_NATIVE 246 # ifndef POSIX 247 # ifdef TERMIO 248 # include <termio.h> 249 # else /* SGTTY */ 250 # include <sgtty.h> 251 # endif /* TERMIO */ 252 # else /* POSIX */ 253 # ifndef _UWIN 254 # include <termios.h> 255 # else 256 # include <termio.h> 257 # endif /* _UWIN */ 258 # if SYSVREL > 3 259 # undef TIOCGLTC /* we don't need those, since POSIX has them */ 260 # undef TIOCSLTC 261 # undef CSWTCH 262 # define CSWTCH _POSIX_VDISABLE /* So job control works */ 263 # endif /* SYSVREL > 3 */ 264 # endif /* POSIX */ 265 #endif /* WINNT_NATIVE */ 266 267 #ifdef sonyrisc 268 # include <sys/ttold.h> 269 #endif /* sonyrisc */ 270 271 #if defined(POSIX) && !defined(WINNT_NATIVE) 272 /* 273 * We should be using setpgid and setpgid 274 * by now, but in some systems we use the 275 * old routines... 276 */ 277 # if !defined(__APPLE__) 278 # define getpgrp __getpgrp 279 # define setpgrp __setpgrp 280 # endif 281 # include <unistd.h> 282 # undef getpgrp 283 # undef setpgrp 284 285 /* 286 * the gcc+protoize version of <stdlib.h> 287 * redefines malloc(), so we define the following 288 * to avoid it. 289 */ 290 # if defined(SYSMALLOC) || defined(linux) || defined(sgi) || defined(_OSD_POSIX) 291 # define NO_FIX_MALLOC 292 # include <stdlib.h> 293 # else /* linux */ 294 # define _GNU_STDLIB_H 295 # define malloc __malloc 296 # define free __free 297 # define calloc __calloc 298 # define realloc __realloc 299 # include <stdlib.h> 300 # undef malloc 301 # undef free 302 # undef calloc 303 # undef realloc 304 # endif /* linux || sgi */ 305 # include <limits.h> 306 #endif /* POSIX && !WINNT_NATIVE */ 307 308 #if SYSVREL > 0 || defined(_IBMR2) || defined(_MINIX) || defined(linux) 309 # if !defined(pyr) && !defined(stellar) 310 # include <time.h> 311 # ifdef _MINIX 312 # define HZ CLOCKS_PER_SEC 313 # endif /* _MINIX */ 314 # endif /* !pyr && !stellar */ 315 #endif /* SYSVREL > 0 || _IBMR2 */ 316 317 /* In the following ifdef the DECOSF1 has been commented so that later 318 * versions of DECOSF1 will get TIOCGWINSZ. This might break older versions... 319 */ 320 #if !((defined(SUNOS4) || defined(_MINIX) /* || defined(DECOSF1) */) && defined(TERMIO)) 321 # if !defined(COHERENT) && !defined(_VMS_POSIX) && !defined(WINNT_NATIVE) 322 # include <sys/ioctl.h> 323 # endif 324 #endif 325 326 #if (defined(__DGUX__) && defined(POSIX)) || defined(DGUX) 327 #undef CSWTCH 328 #define CSWTCH _POSIX_VDISABLE 329 #endif 330 331 #if (!defined(FIOCLEX) && defined(SUNOS4)) || ((SYSVREL == 4) && !defined(_SEQUENT_) && !defined(SCO) && !defined(_SX)) && !defined(__MVS__) 332 # include <sys/filio.h> 333 #endif /* (!FIOCLEX && SUNOS4) || (SYSVREL == 4 && !_SEQUENT_ && !SCO && !_SX ) */ 334 335 #if !defined(_MINIX) && !defined(COHERENT) && !defined(supermax) && !defined(WINNT_NATIVE) && !defined(IRIS4D) 336 # include <sys/file.h> 337 #endif /* !_MINIX && !COHERENT && !supermax && !WINNT_NATIVE && !defined(IRIS4D) */ 338 339 #if !defined(O_RDONLY) || !defined(O_NDELAY) 340 # include <fcntl.h> 341 #endif 342 #ifndef O_LARGEFILE 343 # define O_LARGEFILE 0 344 #endif 345 346 #include <errno.h> 347 348 #include <setjmp.h> 349 350 #if __STDC__ || defined(FUNCPROTO) 351 # include <stdarg.h> 352 #else 353 #ifdef _MINIX 354 # include "mi.varargs.h" 355 #else 356 # include <varargs.h> 357 #endif /* _MINIX */ 358 #endif 359 360 #ifdef DIRENT 361 # include <dirent.h> 362 #else 363 # ifdef hp9000s500 364 # include <ndir.h> 365 # else 366 # include <sys/dir.h> 367 # endif 368 # define dirent direct 369 #endif /* DIRENT */ 370 #if defined(hpux) || defined(sgi) || defined(OREO) || defined(COHERENT) 371 # include <stdio.h> /* So the fgetpwent() prototypes work */ 372 #endif /* hpux || sgi || OREO || COHERENT */ 373 #ifndef WINNT_NATIVE 374 #include <pwd.h> 375 #include <grp.h> 376 #endif /* WINNT_NATIVE */ 377 #ifdef PW_SHADOW 378 # include <shadow.h> 379 #endif /* PW_SHADOW */ 380 #ifdef PW_AUTH 381 # include <auth.h> 382 #endif /* PW_AUTH */ 383 #if defined(BSD) && !defined(POSIX) 384 # include <strings.h> 385 # define strchr(a, b) index(a, b) 386 # define strrchr(a, b) rindex(a, b) 387 #else 388 # include <string.h> 389 #endif /* BSD */ 390 391 /* 392 * IRIX-5.0 has <sys/cdefs.h>, but most system include files do not 393 * include it yet, so we include it here 394 */ 395 #if defined(sgi) && SYSVREL > 3 396 # include <sys/cdefs.h> 397 #endif /* sgi && SYSVREL > 3 */ 398 399 #ifdef REMOTEHOST 400 # ifdef ISC 401 # undef MAXHOSTNAMELEN /* Busted headers? */ 402 # endif 403 404 # include <netinet/in.h> 405 # include <arpa/inet.h> 406 # include <sys/socket.h> 407 # if (defined(_SS_SIZE) || defined(_SS_MAXSIZE)) && !defined(NO_SS_FAMILY) 408 # if !defined(__APPLE__) /* Damnit, where is getnameinfo() folks? */ 409 # if !defined(sgi) 410 # define INET6 411 # endif /* sgi */ 412 # endif /* __APPLE__ */ 413 # endif 414 # include <sys/uio.h> /* For struct iovec */ 415 #endif /* REMOTEHOST */ 416 417 /* 418 * ANSIisms... These must be *after* the system include and 419 * *before* our includes, so that BSDreno has time to define __P 420 */ 421 #undef __P 422 #ifndef __P 423 # if __STDC__ || defined(FUNCPROTO) 424 # ifndef FUNCPROTO 425 # define FUNCPROTO 426 # endif 427 # define __P(a) a 428 # else 429 # define __P(a) () 430 # if !defined(__STDC__) 431 # define const 432 # ifndef apollo 433 # define volatile /* Apollo 'c' extensions need this */ 434 # endif /* apollo */ 435 # endif 436 # endif 437 #endif 438 439 440 #ifdef PURIFY 441 /* exit normally, allowing purify to trace leaks */ 442 # define _exit exit 443 typedef int pret_t; 444 #else /* !PURIFY */ 445 /* 446 * If your compiler complains, then you can either 447 * throw it away and get gcc or, use the following define 448 * and get rid of the typedef. 449 * [The 4.2/3BSD vax compiler does not like that] 450 * Both MULTIFLOW and PCC compilers exhbit this bug. -- sterling@netcom.com 451 */ 452 # if (defined(vax) || defined(uts) || defined(MULTIFLOW) || defined(PCC)) && !defined(__GNUC__) 453 # define pret_t void 454 # else /* !((vax || uts || MULTIFLOW || PCC) && !__GNUC__) */ 455 typedef void pret_t; 456 # endif /* (vax || uts || MULTIFLOW || PCC) && !__GNUC__ */ 457 #endif /* PURIFY */ 458 459 typedef int bool; 460 461 /* 462 * ASCII vs. EBCDIC 463 */ 464 #if 'Z' - 'A' == 25 465 # ifndef IS_ASCII 466 # define IS_ASCII 467 # endif 468 #endif 469 470 #include "sh.types.h" 471 472 #ifndef WINNT_NATIVE 473 # ifndef POSIX 474 extern pid_t getpgrp __P((int)); 475 # else /* POSIX */ 476 # if (defined(BSD) && !defined(BSD4_4)) || defined(SUNOS4) || defined(IRIS4D) || defined(DGUX) 477 extern pid_t getpgrp __P((int)); 478 # else /* !(BSD || SUNOS4 || IRIS4D || DGUX) */ 479 extern pid_t getpgrp __P((void)); 480 # endif /* BSD || SUNOS4 || IRISD || DGUX */ 481 # endif /* POSIX */ 482 extern pid_t setpgrp __P((pid_t, pid_t)); 483 #endif /* !WINNT_NATIVE */ 484 485 typedef sigret_t (*signalfun_t) __P((int)); 486 487 #ifndef lint 488 typedef ptr_t memalign_t; 489 #else 490 typedef union { 491 char am_char, *am_char_p; 492 short am_short, *am_short_p; 493 int am_int, *am_int_p; 494 long am_long, *am_long_p; 495 float am_float, *am_float_p; 496 double am_double, *am_double_p; 497 } *memalign_t; 498 499 # define malloc lint_malloc 500 # define free lint_free 501 # define realloc lint_realloc 502 # define calloc lint_calloc 503 #endif 504 505 #ifdef MDEBUG 506 extern memalign_t DebugMalloc __P((unsigned, char *, int)); 507 extern memalign_t DebugRealloc __P((ptr_t, unsigned, char *, int)); 508 extern memalign_t DebugCalloc __P((unsigned, unsigned, char *, int)); 509 extern void DebugFree __P((ptr_t, char *, int)); 510 # define xmalloc(i) DebugMalloc(i, __FILE__, __LINE__) 511 # define xrealloc(p, i)((p) ? DebugRealloc(p, i, __FILE__, __LINE__) : \ 512 DebugMalloc(i, __FILE__, __LINE__)) 513 # define xcalloc(n, s) DebugCalloc(n, s, __FILE__, __LINE__) 514 # define xfree(p) if (p) DebugFree(p, __FILE__, __LINE__) 515 #else 516 # ifdef SYSMALLOC 517 # define xmalloc(i) smalloc(i) 518 # define xrealloc(p, i) srealloc(p, i) 519 # define xcalloc(n, s) scalloc(n, s) 520 # define xfree(p) sfree(p) 521 # else 522 # define xmalloc(i) malloc(i) 523 # define xrealloc(p, i) realloc(p, i) 524 # define xcalloc(n, s) calloc(n, s) 525 # define xfree(p) free(p) 526 # endif /* SYSMALLOC */ 527 #endif /* MDEBUG */ 528 #include "sh.char.h" 529 #include "sh.err.h" 530 #include "sh.dir.h" 531 #include "sh.proc.h" 532 533 #include "pathnames.h" 534 535 536 /* 537 * C shell 538 * 539 * Bill Joy, UC Berkeley 540 * October, 1978; May 1980 541 * 542 * Jim Kulp, IIASA, Laxenburg Austria 543 * April, 1980 544 */ 545 546 #if !defined(MAXNAMLEN) && defined(_D_NAME_MAX) 547 # define MAXNAMLEN _D_NAME_MAX 548 #endif /* MAXNAMLEN */ 549 550 #ifdef HESIOD 551 # include <hesiod.h> 552 #endif /* HESIOD */ 553 554 #ifdef REMOTEHOST 555 # include <netdb.h> 556 #endif /* REMOTEHOST */ 557 558 #ifndef MAXHOSTNAMELEN 559 # if defined(SCO) && (SYSVREL > 3) 560 # include <sys/socket.h> 561 # else 562 # define MAXHOSTNAMELEN 256 563 # endif 564 #endif /* MAXHOSTNAMELEN */ 565 566 567 568 #define eq(a, b) (Strcmp(a, b) == 0) 569 570 /* globone() flags */ 571 #define G_ERROR 0 /* default action: error if multiple words */ 572 #define G_IGNORE 1 /* ignore the rest of the words */ 573 #define G_APPEND 2 /* make a sentence by cat'ing the words */ 574 575 /* 576 * Global flags 577 */ 578 EXTERN bool chkstop IZERO; /* Warned of stopped jobs... allow exit */ 579 580 #if (defined(FIOCLEX) && defined(FIONCLEX)) || defined(F_SETFD) 581 # define CLOSE_ON_EXEC 582 #else 583 EXTERN bool didcch IZERO; /* Have closed unused fd's for child */ 584 #endif /* (FIOCLEX && FIONCLEX) || F_SETFD */ 585 586 EXTERN bool didfds IZERO; /* Have setup i/o fd's for child */ 587 EXTERN bool doneinp IZERO; /* EOF indicator after reset from readc */ 588 EXTERN bool exiterr IZERO; /* Exit if error or non-zero exit status */ 589 EXTERN bool child IZERO; /* Child shell ... errors cause exit */ 590 EXTERN bool haderr IZERO; /* Reset was because of an error */ 591 EXTERN bool intty IZERO; /* Input is a tty */ 592 EXTERN bool intact IZERO; /* We are interactive... therefore prompt */ 593 EXTERN bool justpr IZERO; /* Just print because of :p hist mod */ 594 EXTERN bool loginsh IZERO; /* We are a loginsh -> .login/.logout */ 595 EXTERN bool neednote IZERO; /* Need to pnotify() */ 596 EXTERN bool noexec IZERO; /* Don't execute, just syntax check */ 597 EXTERN bool pjobs IZERO; /* want to print jobs if interrupted */ 598 EXTERN bool setintr IZERO; /* Set interrupts on/off -> Wait intr... */ 599 EXTERN bool timflg IZERO; /* Time the next waited for command */ 600 EXTERN bool havhash IZERO; /* path hashing is available */ 601 EXTERN bool editing IZERO; /* doing filename expansion and line editing */ 602 EXTERN bool noediting IZERO; /* initial $term defaulted to noedit */ 603 EXTERN bool bslash_quote IZERO;/* PWP: tcsh-style quoting? (in sh.c) */ 604 EXTERN bool isoutatty IZERO; /* is SHOUT a tty */ 605 EXTERN bool isdiagatty IZERO;/* is SHDIAG a tty */ 606 EXTERN bool is1atty IZERO; /* is file descriptor 1 a tty (didfds mode) */ 607 EXTERN bool is2atty IZERO; /* is file descriptor 2 a tty (didfds mode) */ 608 EXTERN bool arun IZERO; /* Currently running multi-line-aliases */ 609 EXTERN int implicit_cd IZERO;/* implicit cd enabled?(1=enabled,2=verbose) */ 610 EXTERN bool inheredoc IZERO; /* Currently parsing a heredoc */ 611 EXTERN bool windowchg IZERO; /* We received a window change event */ 612 613 /* 614 * Global i/o info 615 */ 616 EXTERN Char *arginp IZERO; /* Argument input for sh -c and internal `xx` */ 617 EXTERN int onelflg IZERO; /* 2 -> need line for -t, 1 -> exit on read */ 618 extern Char *ffile; /* Name of shell file for $0 */ 619 extern bool dolzero; /* if $?0 should return true... */ 620 621 extern char *seterr; /* Error message from scanner/parser */ 622 #if !defined(BSD4_4) && !defined(__linux__) 623 extern int errno; /* Error from C library routines */ 624 #endif 625 extern int exitset; 626 EXTERN Char *shtemp IZERO; /* Temp name for << shell files in /tmp */ 627 628 #ifdef BSDTIMES 629 EXTERN struct timeval time0; /* Time at which the shell started */ 630 EXTERN struct sysrusage ru0; 631 #else 632 # ifdef _SEQUENT_ 633 EXTERN timeval_t time0; /* time at which shell started */ 634 EXTERN struct process_stats ru0; 635 # else /* _SEQUENT_ */ 636 # ifndef POSIX 637 EXTERN time_t time0; /* time at which shell started */ 638 # else /* POSIX */ 639 EXTERN clock_t time0; /* time at which shell started */ 640 EXTERN clock_t clk_tck; 641 # endif /* POSIX */ 642 EXTERN struct tms shtimes; /* shell and child times for process timing */ 643 # endif /* _SEQUENT_ */ 644 EXTERN long seconds0; 645 #endif /* BSDTIMES */ 646 647 #ifndef HZ 648 # define HZ 100 /* for division into seconds */ 649 #endif 650 651 /* 652 * Miscellany 653 */ 654 EXTERN Char *doldol; /* Character pid for $$ */ 655 EXTERN int backpid; /* pid of the last background job */ 656 657 /* 658 * Ideally these should be uid_t, gid_t, pid_t. I cannot do that right now 659 * cause pid's could be unsigned and that would break our -1 flag, and 660 * uid_t and gid_t are not defined in all the systems so I would have to 661 * make special cases for them. In the future... 662 */ 663 EXTERN int uid, euid, /* Invokers real and effective */ 664 gid, egid; /* User and group ids */ 665 EXTERN int opgrp, /* Initial pgrp and tty pgrp */ 666 shpgrp, /* Pgrp of shell */ 667 tpgrp; /* Terminal process group */ 668 /* If tpgrp is -1, leave tty alone! */ 669 670 EXTERN Char PromptBuf[INBUFSIZE*2]; /* buffer for the actual printed prompt. 671 * this must be large enough to contain 672 * the input line and the prompt, in 673 * case a correction occurred... 674 */ 675 EXTERN Char RPromptBuf[INBUFSIZE]; /* buffer for right-hand side prompt */ 676 677 /* 678 * To be able to redirect i/o for builtins easily, the shell moves the i/o 679 * descriptors it uses away from 0,1,2. 680 * Ideally these should be in units which are closed across exec's 681 * (this saves work) but for version 6, this is not usually possible. 682 * The desired initial values for these descriptors are defined in 683 * sh.local.h. 684 */ 685 EXTERN int SHIN IZERO; /* Current shell input (script) */ 686 EXTERN int SHOUT IZERO; /* Shell output */ 687 EXTERN int SHDIAG IZERO; /* Diagnostic output... shell errs go here */ 688 EXTERN int OLDSTD IZERO; /* Old standard input (def for cmds) */ 689 690 691 #if SYSVREL == 4 && defined(_UTS) 692 /* 693 * From: fadden@uts.amdahl.com (Andy McFadden) 694 * we need sigsetjmp for UTS4, but not UTS2.1 695 */ 696 # define SIGSETJMP 697 #endif 698 699 /* 700 * Error control 701 * 702 * Errors in scanning and parsing set up an error message to be printed 703 * at the end and complete. Other errors always cause a reset. 704 * Because of source commands and .cshrc we need nested error catches. 705 */ 706 707 #ifdef NO_STRUCT_ASSIGNMENT 708 709 # ifdef SIGSETJMP 710 typedef sigjmp_buf jmp_buf_t; 711 /* bugfix by Jak Kirman @ Brown U.: remove the (void) cast here, see sh.c */ 712 # define setexit() sigsetjmp(reslab) 713 # define reset() siglongjmp(reslab, 1) 714 # else 715 typedef jmp_buf jmp_buf_t; 716 /* bugfix by Jak Kirman @ Brown U.: remove the (void) cast here, see sh.c */ 717 # define setexit() setjmp(reslab) 718 # define reset() longjmp(reslab, 1) 719 # endif 720 # define getexit(a) (void) memmove((ptr_t)&(a), (ptr_t)&reslab, sizeof(reslab)) 721 # define resexit(a) (void) memmove((ptr_t)&reslab, (ptr_t)&(a), sizeof(reslab)) 722 723 # define cpybin(a, b) (void) memmove((ptr_t)&(a), (ptr_t)&(b), sizeof(Bin)) 724 725 #else 726 727 # ifdef SIGSETJMP 728 typedef struct { sigjmp_buf j; } jmp_buf_t; 729 # define setexit() sigsetjmp(reslab.j) 730 # define reset() siglongjmp(reslab.j, 1) 731 # else 732 typedef struct { jmp_buf j; } jmp_buf_t; 733 # define setexit() setjmp(reslab.j) 734 # define reset() longjmp(reslab.j, 1) 735 # endif 736 737 # define getexit(a) (void) ((a) = reslab) 738 # define resexit(a) (void) (reslab = (a)) 739 740 # define cpybin(a, b) (void) ((a) = (b)) 741 742 #endif /* NO_STRUCT_ASSIGNMENT */ 743 744 extern jmp_buf_t reslab; 745 746 EXTERN Char *gointr; /* Label for an onintr transfer */ 747 748 extern signalfun_t parintr; /* Parents interrupt catch */ 749 extern signalfun_t parterm; /* Parents terminate catch */ 750 751 /* 752 * Lexical definitions. 753 * 754 * All lexical space is allocated dynamically. 755 * The eighth/sixteenth bit of characters is used to prevent recognition, 756 * and eventually stripped. 757 */ 758 #define META 0200 759 #define ASCII 0177 760 #ifdef SHORT_STRINGS 761 # define QUOTE ((Char) 0100000)/* 16nth char bit used for 'ing */ 762 # define TRIM 0077777 /* Mask to strip quote bit */ 763 # define UNDER 0040000 /* Underline flag */ 764 # define BOLD 0020000 /* Bold flag */ 765 # define STANDOUT 0010000 /* Standout flag */ 766 # define LITERAL 0004000 /* Literal character flag */ 767 # define ATTRIBUTES 0074000 /* The bits used for attributes */ 768 # define CHAR 0000377 /* Mask to mask out the character */ 769 #else 770 # define QUOTE ((Char) 0200) /* Eighth char bit used for 'ing */ 771 # define TRIM 0177 /* Mask to strip quote bit */ 772 # define UNDER 0000000 /* No extra bits to do both */ 773 # define BOLD 0000000 /* Bold flag */ 774 # define STANDOUT META /* Standout flag */ 775 # define LITERAL 0000000 /* Literal character flag */ 776 # define ATTRIBUTES 0200 /* The bits used for attributes */ 777 # define CHAR 0000177 /* Mask to mask out the character */ 778 #endif 779 780 EXTERN int AsciiOnly; /* If set only 7 bits expected in characters */ 781 782 /* 783 * Each level of input has a buffered input structure. 784 * There are one or more blocks of buffered input for each level, 785 * exactly one if the input is seekable and tell is available. 786 * In other cases, the shell buffers enough blocks to keep all loops 787 * in the buffer. 788 */ 789 EXTERN struct Bin { 790 off_t Bfseekp; /* Seek pointer */ 791 off_t Bfbobp; /* Seekp of beginning of buffers */ 792 off_t Bfeobp; /* Seekp of end of buffers */ 793 int Bfblocks; /* Number of buffer blocks */ 794 Char **Bfbuf; /* The array of buffer blocks */ 795 } B; 796 797 /* 798 * This structure allows us to seek inside aliases 799 */ 800 struct Ain { 801 int type; 802 #define TCSH_I_SEEK 0 /* Invalid seek */ 803 #define TCSH_A_SEEK 1 /* Alias seek */ 804 #define TCSH_F_SEEK 2 /* File seek */ 805 #define TCSH_E_SEEK 3 /* Eval seek */ 806 union { 807 off_t _f_seek; 808 Char* _c_seek; 809 } fc; 810 #define f_seek fc._f_seek 811 #define c_seek fc._c_seek 812 Char **a_seek; 813 } ; 814 815 extern int aret; /* Type of last char returned */ 816 #define SEEKEQ(a, b) ((a)->type == (b)->type && \ 817 (a)->f_seek == (b)->f_seek && \ 818 (a)->a_seek == (b)->a_seek) 819 820 #define fseekp B.Bfseekp 821 #define fbobp B.Bfbobp 822 #define feobp B.Bfeobp 823 #define fblocks B.Bfblocks 824 #define fbuf B.Bfbuf 825 826 /* 827 * The shell finds commands in loops by reseeking the input 828 * For whiles, in particular, it reseeks to the beginning of the 829 * line the while was on; hence the while placement restrictions. 830 */ 831 EXTERN struct Ain lineloc; 832 833 EXTERN bool cantell; /* Is current source tellable ? */ 834 835 /* 836 * Input lines are parsed into doubly linked circular 837 * lists of words of the following form. 838 */ 839 struct wordent { 840 Char *word; 841 struct wordent *prev; 842 struct wordent *next; 843 }; 844 845 /* 846 * During word building, both in the initial lexical phase and 847 * when expanding $ variable substitutions, expansion by `!' and `$' 848 * must be inhibited when reading ahead in routines which are themselves 849 * processing `!' and `$' expansion or after characters such as `\' or in 850 * quotations. The following flags are passed to the getC routines 851 * telling them which of these substitutions are appropriate for the 852 * next character to be returned. 853 */ 854 #define DODOL 1 855 #define DOEXCL 2 856 #define DOALL DODOL|DOEXCL 857 858 /* 859 * Labuf implements a general buffer for lookahead during lexical operations. 860 * Text which is to be placed in the input stream can be stuck here. 861 * We stick parsed ahead $ constructs during initial input, 862 * process id's from `$$', and modified variable values (from qualifiers 863 * during expansion in sh.dol.c) here. 864 */ 865 EXTERN Char *lap; 866 867 /* 868 * Parser structure 869 * 870 * Each command is parsed to a tree of command structures and 871 * flags are set bottom up during this process, to be propagated down 872 * as needed during the semantics/exeuction pass (sh.sem.c). 873 */ 874 struct command { 875 unsigned char t_dtyp; /* Type of node */ 876 #define NODE_COMMAND 1 /* t_dcom <t_dlef >t_drit */ 877 #define NODE_PAREN 2 /* ( t_dspr ) <t_dlef >t_drit */ 878 #define NODE_PIPE 3 /* t_dlef | t_drit */ 879 #define NODE_LIST 4 /* t_dlef ; t_drit */ 880 #define NODE_OR 5 /* t_dlef || t_drit */ 881 #define NODE_AND 6 /* t_dlef && t_drit */ 882 unsigned char t_nice; /* Nice value */ 883 #ifdef apollo 884 unsigned char t_systype; /* System environment */ 885 #endif 886 unsigned long t_dflg; /* Flags, e.g. F_AMPERSAND|... */ 887 /* save these when re-doing */ 888 #ifndef apollo 889 #define F_SAVE (F_NICE|F_TIME|F_NOHUP|F_HUP) 890 #else 891 #define F_SAVE (F_NICE|F_TIME|F_NOHUP||F_HUP|F_VER) 892 #endif 893 #define F_AMPERSAND (1<<0) /* executes in background */ 894 #define F_APPEND (1<<1) /* output is redirected >> */ 895 #define F_PIPEIN (1<<2) /* input is a pipe */ 896 #define F_PIPEOUT (1<<3) /* output is a pipe */ 897 #define F_NOFORK (1<<4) /* don't fork, last ()ized cmd */ 898 #define F_NOINTERRUPT (1<<5) /* should be immune from intr's */ 899 /* spare */ 900 #define F_STDERR (1<<7) /* redirect unit 2 with unit 1 */ 901 #define F_OVERWRITE (1<<8) /* output was ! */ 902 #define F_READ (1<<9) /* input redirection is << */ 903 #define F_REPEAT (1<<10) /* reexec aft if, repeat,... */ 904 #define F_NICE (1<<11) /* t_nice is meaningful */ 905 #define F_NOHUP (1<<12) /* nohup this command */ 906 #define F_TIME (1<<13) /* time this command */ 907 #define F_BACKQ (1<<14) /* command is in `` */ 908 #define F_HUP (1<<15) /* hup this command */ 909 #ifdef apollo 910 #define F_VER (1<<16) /* execute command under SYSTYPE */ 911 #endif 912 union { 913 Char *T_dlef; /* Input redirect word */ 914 struct command *T_dcar; /* Left part of list/pipe */ 915 } L; 916 union { 917 Char *T_drit; /* Output redirect word */ 918 struct command *T_dcdr; /* Right part of list/pipe */ 919 } R; 920 #define t_dlef L.T_dlef 921 #define t_dcar L.T_dcar 922 #define t_drit R.T_drit 923 #define t_dcdr R.T_dcdr 924 Char **t_dcom; /* Command/argument vector */ 925 struct command *t_dspr; /* Pointer to ()'d subtree */ 926 }; 927 928 929 /* 930 * The keywords for the parser 931 */ 932 #define TC_BREAK 0 933 #define TC_BRKSW 1 934 #define TC_CASE 2 935 #define TC_DEFAULT 3 936 #define TC_ELSE 4 937 #define TC_END 5 938 #define TC_ENDIF 6 939 #define TC_ENDSW 7 940 #define TC_EXIT 8 941 #define TC_FOREACH 9 942 #define TC_GOTO 10 943 #define TC_IF 11 944 #define TC_LABEL 12 945 #define TC_LET 13 946 #define TC_SET 14 947 #define TC_SWITCH 15 948 #define TC_TEST 16 949 #define TC_THEN 17 950 #define TC_WHILE 18 951 952 /* 953 * These are declared here because they want to be 954 * initialized in sh.init.c (to allow them to be made readonly) 955 */ 956 957 #if defined(hpux) && defined(__STDC__) && !defined(__GNUC__) 958 /* Avoid hpux ansi mode spurious warnings */ 959 typedef void (*bfunc_t) (); 960 #else 961 typedef void (*bfunc_t) __P((Char **, struct command *)); 962 #endif /* hpux && __STDC__ && !__GNUC__ */ 963 964 extern struct biltins { 965 char *bname; 966 bfunc_t bfunct; 967 int minargs, maxargs; 968 } bfunc[]; 969 extern int nbfunc; 970 #ifdef WINNT_NATIVE 971 extern struct biltins nt_bfunc[]; 972 extern int nt_nbfunc; 973 #endif /* WINNT_NATIVE*/ 974 975 extern struct srch { 976 char *s_name; 977 int s_value; 978 } srchn[]; 979 extern int nsrchn; 980 981 /* 982 * Structure defining the existing while/foreach loops at this 983 * source level. Loops are implemented by seeking back in the 984 * input. For foreach (fe), the word list is attached here. 985 */ 986 EXTERN struct whyle { 987 struct Ain w_start; /* Point to restart loop */ 988 struct Ain w_end; /* End of loop (0 if unknown) */ 989 Char **w_fe, **w_fe0; /* Current/initial wordlist for fe */ 990 Char *w_fename; /* Name for fe */ 991 struct whyle *w_next; /* Next (more outer) loop */ 992 } *whyles; 993 994 /* 995 * Variable structure 996 * 997 * Aliases and variables are stored in AVL balanced binary trees. 998 */ 999 EXTERN struct varent { 1000 Char **vec; /* Array of words which is the value */ 1001 Char *v_name; /* Name of variable/alias */ 1002 int v_flags; /* Flags */ 1003 #define VAR_ALL -1 1004 #define VAR_READONLY 1 1005 #define VAR_READWRITE 2 1006 #define VAR_NOGLOB 4 1007 #define VAR_FIRST 32 1008 #define VAR_LAST 64 1009 struct varent *v_link[3]; /* The links, see below */ 1010 int v_bal; /* Balance factor */ 1011 } shvhed IZERO_STRUCT, aliases IZERO_STRUCT; 1012 1013 #define v_left v_link[0] 1014 #define v_right v_link[1] 1015 #define v_parent v_link[2] 1016 1017 #define adrof(v) adrof1(v, &shvhed) 1018 #define varval(v) value1(v, &shvhed) 1019 1020 /* 1021 * The following are for interfacing redo substitution in 1022 * aliases to the lexical routines. 1023 */ 1024 EXTERN struct wordent *alhistp IZERO_STRUCT;/* Argument list (first) */ 1025 EXTERN struct wordent *alhistt IZERO_STRUCT;/* Node after last in arg list */ 1026 EXTERN Char **alvec IZERO_STRUCT, 1027 *alvecp IZERO_STRUCT;/* The (remnants of) alias vector */ 1028 1029 /* 1030 * Filename/command name expansion variables 1031 */ 1032 EXTERN int gflag; /* After tglob -> is globbing needed? */ 1033 1034 #define MAXVARLEN 30 /* Maximum number of char in a variable name */ 1035 1036 #ifdef __CYGWIN__ 1037 # undef MAXPATHLEN 1038 #endif /* __CYGWIN__ */ 1039 1040 #ifndef MAXPATHLEN 1041 # define MAXPATHLEN 2048 1042 #endif /* MAXPATHLEN */ 1043 1044 #ifndef MAXNAMLEN 1045 # define MAXNAMLEN 512 1046 #endif /* MAXNAMLEN */ 1047 1048 #ifndef HAVENOLIMIT 1049 /* 1050 * resource limits 1051 */ 1052 extern struct limits { 1053 int limconst; 1054 char *limname; 1055 int limdiv; 1056 char *limscale; 1057 } limits[]; 1058 #endif /* !HAVENOLIMIT */ 1059 1060 /* 1061 * Variables for filename expansion 1062 */ 1063 extern Char **gargv; /* Pointer to the (stack) arglist */ 1064 extern int gargc; /* Number args in gargv */ 1065 1066 /* 1067 * Variables for command expansion. 1068 */ 1069 extern Char **pargv; /* Pointer to the argv list space */ 1070 EXTERN Char *pargs; /* Pointer to start current word */ 1071 EXTERN long pnleft; /* Number of chars left in pargs */ 1072 EXTERN Char *pargcp; /* Current index into pargs */ 1073 1074 /* 1075 * History list 1076 * 1077 * Each history list entry contains an embedded wordlist 1078 * from the scanner, a number for the event, and a reference count 1079 * to aid in discarding old entries. 1080 * 1081 * Essentially "invisible" entries are put on the history list 1082 * when history substitution includes modifiers, and thrown away 1083 * at the next discarding since their event numbers are very negative. 1084 */ 1085 EXTERN struct Hist { 1086 struct wordent Hlex; 1087 int Hnum; 1088 int Href; 1089 time_t Htime; 1090 Char *histline; 1091 struct Hist *Hnext; 1092 } Histlist IZERO_STRUCT; 1093 1094 EXTERN struct wordent paraml; /* Current lexical word list */ 1095 EXTERN int eventno; /* Next events number */ 1096 EXTERN int lastev; /* Last event reference (default) */ 1097 1098 EXTERN Char HIST; /* history invocation character */ 1099 EXTERN Char HISTSUB; /* auto-substitute character */ 1100 EXTERN Char PRCH; /* Prompt symbol for regular users */ 1101 EXTERN Char PRCHROOT; /* Prompt symbol for root */ 1102 1103 /* 1104 * For operating systems with single case filenames (OS/2) 1105 */ 1106 #ifdef CASE_INSENSITIVE 1107 # define samecase(x) (isupper((unsigned char)(x)) ? \ 1108 tolower((unsigned char)(x)) : (x)) 1109 #else 1110 # define samecase(x) (x) 1111 #endif /* CASE_INSENSITIVE */ 1112 1113 /* 1114 * strings.h: 1115 */ 1116 #ifndef SHORT_STRINGS 1117 #define Strchr(a, b) strchr(a, b) 1118 #define Strrchr(a, b) strrchr(a, b) 1119 #define Strcat(a, b) strcat(a, b) 1120 #define Strncat(a, b, c) strncat(a, b, c) 1121 #define Strcpy(a, b) strcpy(a, b) 1122 #define Strncpy(a, b, c) strncpy(a, b, c) 1123 #define Strlen(a) strlen(a) 1124 #define Strcmp(a, b) strcmp(a, b) 1125 #define Strncmp(a, b, c) strncmp(a, b, c) 1126 #define Strcasecmp(a, b) strcasecmp(a, b) 1127 1128 #define Strspl(a, b) strspl(a, b) 1129 #define Strsave(a) strsave(a) 1130 #define Strend(a) strend(a) 1131 #define Strstr(a, b) strstr(a, b) 1132 1133 #define str2short(a) (a) 1134 #define blk2short(a) saveblk(a) 1135 #define short2blk(a) saveblk(a) 1136 #define short2str(a) strip(a) 1137 #else 1138 #define Strchr(a, b) s_strchr(a, b) 1139 #define Strrchr(a, b) s_strrchr(a, b) 1140 #define Strcat(a, b) s_strcat(a, b) 1141 #define Strncat(a, b, c) s_strncat(a, b, c) 1142 #define Strcpy(a, b) s_strcpy(a, b) 1143 #define Strncpy(a, b, c) s_strncpy(a, b, c) 1144 #define Strlen(a) s_strlen(a) 1145 #define Strcmp(a, b) s_strcmp(a, b) 1146 #define Strncmp(a, b, c) s_strncmp(a, b, c) 1147 #define Strcasecmp(a, b) s_strcasecmp(a, b) 1148 1149 #define Strspl(a, b) s_strspl(a, b) 1150 #define Strsave(a) s_strsave(a) 1151 #define Strend(a) s_strend(a) 1152 #define Strstr(a, b) s_strstr(a, b) 1153 #endif 1154 1155 /* 1156 * setname is a macro to save space (see sh.err.c) 1157 */ 1158 EXTERN char *bname; 1159 1160 #define setname(a) (bname = (a)) 1161 1162 #ifdef VFORK 1163 EXTERN Char *Vsav; 1164 EXTERN Char *Vdp; 1165 EXTERN Char *Vexpath; 1166 EXTERN char **Vt; 1167 #endif /* VFORK */ 1168 1169 EXTERN Char **evalvec; 1170 EXTERN Char *evalp; 1171 1172 extern struct mesg { 1173 char *iname; /* name from /usr/include */ 1174 char *pname; /* print name */ 1175 } mesg[]; 1176 1177 /* word_chars is set by default to WORD_CHARS but can be overridden by 1178 the worchars variable--if unset, reverts to WORD_CHARS */ 1179 1180 EXTERN Char *word_chars; 1181 1182 #define WORD_CHARS "*?_-.[]~=" /* default chars besides alnums in words */ 1183 1184 EXTERN Char *STR_SHELLPATH; 1185 1186 #ifdef _PATH_BSHELL 1187 EXTERN Char *STR_BSHELL; 1188 #endif 1189 EXTERN Char *STR_WORD_CHARS; 1190 EXTERN Char **STR_environ IZERO; 1191 1192 extern int dont_free; /* Tell free that we are in danger if we free */ 1193 1194 extern Char *INVPTR; 1195 extern Char **INVPPTR; 1196 1197 extern char *progname; 1198 extern int tcsh; 1199 1200 #include "tc.h" 1201 #include "sh.decls.h" 1202 1203 /* 1204 * To print system call errors... 1205 */ 1206 #ifdef BSD4_4 1207 # include <errno.h> 1208 #else 1209 # ifndef linux 1210 # ifdef NEEDstrerror 1211 extern char *sys_errlist[]; 1212 # endif 1213 extern int errno, sys_nerr; 1214 # endif /* !linux */ 1215 #endif 1216 1217 #ifndef WINNT_NATIVE 1218 # ifdef NLS_CATALOGS 1219 # ifdef linux 1220 # include <locale.h> 1221 # ifdef notdef 1222 # include <localeinfo.h> /* Has this changed ? */ 1223 # endif 1224 # include <features.h> 1225 # endif 1226 # ifdef SUNOS4 1227 /* Who stole my nl_types.h? :-( 1228 * All this stuff is in the man pages, but nowhere else? 1229 * This does not link right now... 1230 */ 1231 typedef void *nl_catd; 1232 extern const char * catgets __P((nl_catd, int, int, const char *)); 1233 nl_catd catopen __P((const char *, int)); 1234 int catclose __P((nl_catd)); 1235 # else 1236 # ifdef __uxps__ 1237 # define gettxt gettxt_ds 1238 # endif 1239 # include <nl_types.h> 1240 # ifdef __uxps__ 1241 # undef gettxt 1242 # endif 1243 # endif 1244 # ifndef MCLoadBySet 1245 # define MCLoadBySet 0 1246 # endif 1247 EXTERN nl_catd catd; 1248 # define CGETS(b, c, d) catgets(catd, b, c, d) 1249 # define CSAVS(b, c, d) strsave(CGETS(b, c, d)) 1250 # else 1251 # define CGETS(b, c, d) d 1252 # define CSAVS(b, c, d) d 1253 # endif 1254 #else /* WINNT_NATIVE */ 1255 # define CGETS(b, c, d) nt_cgets( b, c, d) 1256 # define CSAVS(b, c, d) strsave(CGETS(b, c, d)) 1257 #endif /* WINNT_NATIVE */ 1258 1259 #if defined(FILEC) 1260 extern bool filec; 1261 #endif /* FILEC */ 1262 1263 /* 1264 * Since on some machines characters are unsigned, and the signed 1265 * keyword is not universally implemented, we treat all characters 1266 * as unsigned and sign extend them where we need. 1267 */ 1268 #define SIGN_EXTEND_CHAR(a) (((a) & 0x80) ? ((a) | ~0x7f) : (a)) 1269 1270 #endif /* _h_sh */ 1271