sh.h revision 145479
1/* $Header: /src/pub/tcsh/sh.h,v 3.133 2005/03/25 18:46:41 kim 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#include <stddef.h> 39 40#ifdef HAVE_ICONV 41# include <iconv.h> 42#endif 43 44#ifdef HAVE_STDINT_H 45# include <stdint.h> 46#endif 47 48#ifdef HAVE_INTTYPES_H 49# include <inttypes.h> 50#endif 51 52#if !defined(HAVE_STDINT_H) && !defined(HAVE_INTTYPES_H) && !defined(WINNT_NATIVE) 53typedef unsigned long intptr_t; 54#endif 55 56#ifndef EXTERN 57# define EXTERN extern 58#else /* !EXTERN */ 59# ifdef WINNT_NATIVE 60# define IZERO = 0 61# define IZERO_STRUCT = {0} 62# endif /* WINNT_NATIVE */ 63#endif /* EXTERN */ 64 65#ifndef IZERO 66# define IZERO 67#endif /* IZERO */ 68#ifndef IZERO_STRUCT 69# define IZERO_STRUCT 70#endif /* IZERO_STRUCT */ 71 72#ifndef WINNT_NATIVE 73# define INIT_ZERO 74# define INIT_ZERO_STRUCT 75# define force_read read 76#endif /*!WINNT_NATIVE */ 77/* 78 * Sanity 79 */ 80#if defined(_POSIX_SOURCE) && !defined(POSIX) 81# define POSIX 82#endif 83 84#if defined(POSIXJOBS) && !defined(BSDJOBS) 85# define BSDJOBS 86#endif 87 88#if defined(POSIXSIGS) && !defined(BSDSIGS) 89# define BSDSIGS 90#endif 91 92#ifdef SHORT_STRINGS 93#include <wchar.h> 94# ifdef WIDE_STRINGS 95typedef wchar_t Char; 96typedef unsigned long uChar; 97typedef wint_t eChar; /* Can contain any Char value or CHAR_ERR */ 98#define CHAR_ERR WEOF /* Pretty please, use bit 31... */ 99#define normal_mbtowc(PWC, S, N) rt_mbtowc(PWC, S, N) 100#define reset_mbtowc() mbtowc(NULL, NULL, 0) 101# else 102typedef short Char; 103typedef unsigned short uChar; 104typedef int eChar; 105#define CHAR_ERR (-1) 106#define normal_mbtowc(PWC, S, N) ((void)(N), *(PWC) = (unsigned char)*(S), 1) 107#define reset_mbtowc() ((void)0) 108# endif 109# define SAVE(a) (Strsave(str2short(a))) 110#else 111typedef char Char; 112typedef unsigned char uChar; 113typedef int eChar; 114#define CHAR_ERR (-1) 115#define normal_mbtowc(PWC, S, N) ((void)(N), *(PWC) = (unsigned char)*(S), 1) 116#define reset_mbtowc() ((void)0) 117# define SAVE(a) (strsave(a)) 118#endif 119#if SIZEOF_WCHAR_T >= 4 120typedef wchar_t NLSChar; 121#else 122/* Assumes sizeof (int) >= 4, unlike some parts of tcsh */ 123typedef int NLSChar; 124#endif 125 126/* Elide unused argument warnings */ 127#define USE(a) (void) (a) 128 129/* 130 * Return true if the path is absolute 131 */ 132#if defined(WINNT_NATIVE) 133# define ABSOLUTEP(p) ((p)[0] == '/' || \ 134 (Isalpha((p)[0]) && (p)[1] == ':')) 135#elif defined(__CYGWIN__) 136# define ABSOLUTEP(p) ((p)[0] == '/' || \ 137 (Isalpha((p)[0]) && (p)[1] == ':' && \ 138 ((p)[2] == '\0' || (p)[2] == '/'))) 139#else /* !WINNT_NATIVE && !__CYGWIN__ */ 140# define ABSOLUTEP(p) (*(p) == '/') 141#endif /* WINNT_NATIVE || __CYGWIN__ */ 142 143/* 144 * Fundamental definitions which may vary from system to system. 145 * 146 * BUFSIZE The i/o buffering size; also limits word size 147 * MAILINTVL How often to mailcheck; more often is more expensive 148 */ 149#ifdef BUFSIZE 150# if BUFSIZE < 4096 151# undef BUFSIZE 152# define BUFSIZE 4096 /* buffer size should be no less than this */ 153# endif 154#else 155# define BUFSIZE 4096 156#endif /* BUFSIZE */ 157 158#define FORKSLEEP 10 /* delay loop on non-interactive fork failure */ 159#define MAILINTVL 600 /* 10 minutes */ 160 161#ifndef INBUFSIZE 162# define INBUFSIZE 2*BUFSIZE /* Num input characters on the command line */ 163#endif /* INBUFSIZE */ 164 165 166/* 167 * What our builtin echo looks like 168 */ 169#define NONE_ECHO 0 170#define BSD_ECHO 1 171#define SYSV_ECHO 2 172#define BOTH_ECHO (BSD_ECHO|SYSV_ECHO) 173 174#ifndef ECHO_STYLE 175# if SYSVREL > 0 176# define ECHO_STYLE SYSV_ECHO 177# else /* SYSVREL == 0 */ 178# define ECHO_STYLE BSD_ECHO 179# endif /* SYSVREL */ 180#endif /* ECHO_STYLE */ 181 182/* 183 * The shell moves std in/out/diag and the old std input away from units 184 * 0, 1, and 2 so that it is easy to set up these standards for invoked 185 * commands. 186 */ 187#define FSAFE 5 /* We keep the first 5 descriptors untouched */ 188#define FSHTTY 15 /* /dev/tty when manip pgrps */ 189#define FSHIN 16 /* Preferred desc for shell input */ 190#define FSHOUT 17 /* ... shell output */ 191#define FSHDIAG 18 /* ... shell diagnostics */ 192#define FOLDSTD 19 /* ... old std input */ 193 194#ifdef PROF 195#define xexit(n) done(n) 196#endif 197 198#ifdef cray 199# define word word_t /* sys/types.h defines word.. bad move! */ 200#endif 201 202#include <sys/types.h> 203 204#ifdef cray 205# undef word 206#endif 207 208/* 209 * Path separator in environment variables 210 */ 211#ifndef PATHSEP 212# if defined(__EMX__) || defined(WINNT_NATIVE) 213# define PATHSEP ';' 214# else /* unix */ 215# define PATHSEP ':' 216# endif /* __EMX__ || WINNT_NATIVE */ 217#endif /* !PATHSEP */ 218 219#if defined(__HP_CXD_SPP) && !defined(__hpux) 220# include <sys/cnx_stat.h> 221# define stat stat64 222# define fstat fstat64 223# define lstat lstat64 224#endif /* __HP_CXD_SPP && !__hpux */ 225 226/* 227 * This macro compares the st_dev field of struct stat. On aix on ibmESA 228 * st_dev is a structure, so comparison does not work. 229 */ 230#ifndef DEV_DEV_COMPARE 231# define DEV_DEV_COMPARE(x,y) ((x) == (y)) 232#endif /* DEV_DEV_COMPARE */ 233 234#ifdef _SEQUENT_ 235# include <sys/procstats.h> 236#endif /* _SEQUENT_ */ 237#if (defined(POSIX) || SYSVREL > 0) && !defined(WINNT_NATIVE) 238# include <sys/times.h> 239#endif /* (POSIX || SYSVREL > 0) && !WINNT_NATIVE */ 240 241#ifdef NLS 242# include <locale.h> 243#endif /* NLS */ 244 245 246#if !defined(_MINIX) && !defined(_VMS_POSIX) && !defined(WINNT_NATIVE) && !defined(__MVS__) 247# include <sys/param.h> 248#endif /* !_MINIX && !_VMS_POSIX && !WINNT_NATIVE && !__MVS__ */ 249#include <sys/stat.h> 250 251#if defined(BSDTIMES) || defined(BSDLIMIT) 252# include <sys/time.h> 253# if SYSVREL>3 && !defined(SCO) && !defined(sgi) && !defined(SNI) && !defined(sun) && !(defined(__alpha) && defined(__osf__)) && !defined(_SX) && !defined(__MVS__) 254# include "/usr/ucbinclude/sys/resource.h" 255# else 256# ifdef convex 257# define sysrusage cvxrusage 258# include <sys/sysinfo.h> 259# else 260# define sysrusage rusage 261# include <sys/resource.h> 262# endif /* convex */ 263# endif /* SYSVREL>3 */ 264#endif /* BSDTIMES */ 265 266#ifndef WINNT_NATIVE 267# ifndef POSIX 268# ifdef TERMIO 269# include <termio.h> 270# else /* SGTTY */ 271# include <sgtty.h> 272# endif /* TERMIO */ 273# else /* POSIX */ 274# ifndef _UWIN 275# include <termios.h> 276# else 277# include <termio.h> 278# endif /* _UWIN */ 279# if SYSVREL > 3 280# undef TIOCGLTC /* we don't need those, since POSIX has them */ 281# undef TIOCSLTC 282# undef CSWTCH 283# define CSWTCH _POSIX_VDISABLE /* So job control works */ 284# endif /* SYSVREL > 3 */ 285# endif /* POSIX */ 286#endif /* WINNT_NATIVE */ 287 288#ifdef sonyrisc 289# include <sys/ttold.h> 290#endif /* sonyrisc */ 291 292#if defined(POSIX) && !defined(WINNT_NATIVE) 293# include <unistd.h> 294 295/* 296 * the gcc+protoize version of <stdlib.h> 297 * redefines malloc(), so we define the following 298 * to avoid it. 299 */ 300# if defined(SYSMALLOC) || defined(linux) || defined(__GNU__) || defined(__GLIBC__) || defined(sgi) || defined(_OSD_POSIX) 301# define NO_FIX_MALLOC 302# include <stdlib.h> 303# else /* glibc */ 304# define _GNU_STDLIB_H 305# define malloc __malloc 306# define free __free 307# define calloc __calloc 308# define realloc __realloc 309# include <stdlib.h> 310# undef malloc 311# undef free 312# undef calloc 313# undef realloc 314# endif /* glibc || sgi */ 315# include <limits.h> 316#endif /* POSIX && !WINNT_NATIVE */ 317 318#if SYSVREL > 0 || defined(_IBMR2) || defined(_MINIX) || defined(linux) || defined(__GNU__) || defined(__GLIBC__) 319# if !defined(pyr) && !defined(stellar) 320# include <time.h> 321# ifdef _MINIX 322# define HZ CLOCKS_PER_SEC 323# endif /* _MINIX */ 324# endif /* !pyr && !stellar */ 325#endif /* SYSVREL > 0 || _IBMR2 */ 326 327/* In the following ifdef the DECOSF1 has been commented so that later 328 * versions of DECOSF1 will get TIOCGWINSZ. This might break older versions... 329 */ 330#if !((defined(SUNOS4) || defined(_MINIX) /* || defined(DECOSF1) */) && defined(TERMIO)) 331# if !defined(COHERENT) && !defined(_VMS_POSIX) && !defined(WINNT_NATIVE) 332# include <sys/ioctl.h> 333# endif 334#endif 335 336#if (defined(__DGUX__) && defined(POSIX)) || defined(DGUX) 337#undef CSWTCH 338#define CSWTCH _POSIX_VDISABLE 339#endif 340 341#if (!defined(FIOCLEX) && defined(SUNOS4)) || ((SYSVREL == 4) && !defined(_SEQUENT_) && !defined(SCO) && !defined(_SX)) && !defined(__MVS__) 342# include <sys/filio.h> 343#endif /* (!FIOCLEX && SUNOS4) || (SYSVREL == 4 && !_SEQUENT_ && !SCO && !_SX ) */ 344 345#if !defined(_MINIX) && !defined(COHERENT) && !defined(supermax) && !defined(WINNT_NATIVE) && !defined(IRIS4D) 346# include <sys/file.h> 347#endif /* !_MINIX && !COHERENT && !supermax && !WINNT_NATIVE && !defined(IRIS4D) */ 348 349#if !defined(O_RDONLY) || !defined(O_NDELAY) 350# include <fcntl.h> 351#endif 352#ifndef O_LARGEFILE 353# define O_LARGEFILE 0 354#endif 355 356#include <errno.h> 357 358#include <setjmp.h> 359 360#if defined(PROTOTYPES) 361# include <stdarg.h> 362#else 363#ifdef _MINIX 364# include "mi.varargs.h" 365#else 366# include <varargs.h> 367#endif /* _MINIX */ 368#endif 369 370#ifdef HAVE_DIRENT_H 371# include <dirent.h> 372#else 373# ifdef HAVE_NDIR_H 374# include <ndir.h> 375# else 376# include <sys/dir.h> 377# endif 378# define dirent direct 379#endif /* HAVE_DIRENT_H */ 380#ifndef HAVE_STRUCT_DIRENT_D_INO 381# define d_ino d_fileno 382#endif 383#if defined(hpux) || defined(sgi) || defined(OREO) || defined(COHERENT) 384# include <stdio.h> /* So the fgetpwent() prototypes work */ 385#endif /* hpux || sgi || OREO || COHERENT */ 386#ifndef WINNT_NATIVE 387#include <pwd.h> 388#include <grp.h> 389#endif /* WINNT_NATIVE */ 390#ifdef HAVE_SHADOW_H 391# include <shadow.h> 392#endif /* HAVE_SHADOW_H */ 393#ifdef HAVE_AUTH_H 394# include <auth.h> 395#endif /* HAVE_AUTH_H */ 396#if defined(BSD) && !defined(POSIX) 397# include <strings.h> 398# define strchr(a, b) index(a, b) 399# define strrchr(a, b) rindex(a, b) 400#else 401# include <string.h> 402#endif /* BSD */ 403 404/* 405 * IRIX-5.0 has <sys/cdefs.h>, but most system include files do not 406 * include it yet, so we include it here 407 */ 408#if defined(sgi) && SYSVREL > 3 409# include <sys/cdefs.h> 410#endif /* sgi && SYSVREL > 3 */ 411 412#ifdef REMOTEHOST 413# ifdef ISC 414# undef MAXHOSTNAMELEN /* Busted headers? */ 415# endif 416 417# include <netinet/in.h> 418# include <arpa/inet.h> 419# include <sys/socket.h> 420# if (defined(_SS_SIZE) || defined(_SS_MAXSIZE)) && defined(HAVE_STRUCT_SOCKADDR_STORAGE_SS_FAMILY) 421# if !defined(__APPLE__) /* Damnit, where is getnameinfo() folks? */ 422# if !defined(sgi) 423# define INET6 424# endif /* sgi */ 425# endif /* __APPLE__ */ 426# endif 427# include <sys/uio.h> /* For struct iovec */ 428#endif /* REMOTEHOST */ 429 430/* 431 * ANSIisms... These must be *after* the system include and 432 * *before* our includes, so that BSDreno has time to define __P 433 */ 434#undef __P 435#ifndef __P 436# if defined(PROTOTYPES) 437# define __P(a) a 438# else 439# define __P(a) () 440# endif 441#endif 442 443 444#ifdef PURIFY 445/* exit normally, allowing purify to trace leaks */ 446# define _exit exit 447typedef int pret_t; 448#else /* !PURIFY */ 449/* 450 * If your compiler complains, then you can either 451 * throw it away and get gcc or, use the following define 452 * and get rid of the typedef. 453 * [The 4.2/3BSD vax compiler does not like that] 454 * Both MULTIFLOW and PCC compilers exhbit this bug. -- sterling@netcom.com 455 */ 456# if (defined(vax) || defined(uts) || defined(MULTIFLOW) || defined(PCC)) && !defined(__GNUC__) 457# define pret_t void 458# else /* !((vax || uts || MULTIFLOW || PCC) && !__GNUC__) */ 459typedef void pret_t; 460# endif /* (vax || uts || MULTIFLOW || PCC) && !__GNUC__ */ 461#endif /* PURIFY */ 462 463/* 464 * ASCII vs. EBCDIC 465 */ 466#if 'Z' - 'A' == 25 467# ifndef IS_ASCII 468# define IS_ASCII 469# endif 470#endif 471 472#include "sh.types.h" 473 474#ifndef __NetBSD__ /* XXX */ 475#ifndef WINNT_NATIVE 476# ifndef GETPGRP_VOID 477extern pid_t getpgrp __P((int)); 478# else 479extern pid_t getpgrp __P((void)); 480# endif 481#endif /* !WINNT_NATIVE */ 482#endif 483 484typedef RETSIGTYPE (*signalfun_t) __P((int)); 485 486#ifndef lint 487typedef ptr_t memalign_t; 488#else 489typedef union { 490 char am_char, *am_char_p; 491 short am_short, *am_short_p; 492 int am_int, *am_int_p; 493 long am_long, *am_long_p; 494 float am_float, *am_float_p; 495 double am_double, *am_double_p; 496} *memalign_t; 497 498# define malloc lint_malloc 499# define free lint_free 500# define realloc lint_realloc 501# define calloc lint_calloc 502#endif 503 504#ifdef MDEBUG 505extern memalign_t DebugMalloc __P((unsigned, char *, int)); 506extern memalign_t DebugRealloc __P((ptr_t, unsigned, char *, int)); 507extern memalign_t DebugCalloc __P((unsigned, unsigned, char *, int)); 508extern void DebugFree __P((ptr_t, char *, int)); 509# define xmalloc(i) DebugMalloc(i, __FILE__, __LINE__) 510# define xrealloc(p, i)((p) ? DebugRealloc(p, i, __FILE__, __LINE__) : \ 511 DebugMalloc(i, __FILE__, __LINE__)) 512# define xcalloc(n, s) DebugCalloc(n, s, __FILE__, __LINE__) 513# define xfree(p) if (p) DebugFree(p, __FILE__, __LINE__) 514#else 515# ifdef SYSMALLOC 516# define xmalloc(i) smalloc(i) 517# define xrealloc(p, i) srealloc(p, i) 518# define xcalloc(n, s) scalloc(n, s) 519# define xfree(p) sfree(p) 520# else 521# define xmalloc(i) malloc(i) 522# define xrealloc(p, i) realloc(p, i) 523# define xcalloc(n, s) calloc(n, s) 524# define xfree(p) free(p) 525# endif /* SYSMALLOC */ 526#endif /* MDEBUG */ 527#include "sh.char.h" 528#include "sh.err.h" 529#include "sh.dir.h" 530#include "sh.proc.h" 531 532#include "pathnames.h" 533 534 535/* 536 * C shell 537 * 538 * Bill Joy, UC Berkeley 539 * October, 1978; May 1980 540 * 541 * Jim Kulp, IIASA, Laxenburg Austria 542 * April, 1980 543 */ 544 545#if !defined(MAXNAMLEN) && defined(_D_NAME_MAX) 546# define MAXNAMLEN _D_NAME_MAX 547#endif /* MAXNAMLEN */ 548 549#ifdef HESIOD 550# include <hesiod.h> 551#endif /* HESIOD */ 552 553#ifdef REMOTEHOST 554# include <netdb.h> 555#endif /* REMOTEHOST */ 556 557#ifndef MAXHOSTNAMELEN 558# if defined(SCO) && (SYSVREL > 3) 559# include <sys/socket.h> 560# else 561# define MAXHOSTNAMELEN 256 562# endif 563#endif /* MAXHOSTNAMELEN */ 564 565 566 567#define eq(a, b) (Strcmp(a, b) == 0) 568 569/* globone() flags */ 570#define G_ERROR 0 /* default action: error if multiple words */ 571#define G_IGNORE 1 /* ignore the rest of the words */ 572#define G_APPEND 2 /* make a sentence by cat'ing the words */ 573 574/* 575 * Global flags 576 */ 577EXTERN int chkstop IZERO; /* Warned of stopped jobs... allow exit */ 578 579#if (defined(FIOCLEX) && defined(FIONCLEX)) || defined(F_SETFD) 580# define CLOSE_ON_EXEC 581#else 582EXTERN int didcch IZERO; /* Have closed unused fd's for child */ 583#endif /* (FIOCLEX && FIONCLEX) || F_SETFD */ 584 585EXTERN int didfds IZERO; /* Have setup i/o fd's for child */ 586EXTERN int doneinp IZERO; /* EOF indicator after reset from readc */ 587EXTERN int exiterr IZERO; /* Exit if error or non-zero exit status */ 588EXTERN int child IZERO; /* Child shell ... errors cause exit */ 589EXTERN int haderr IZERO; /* Reset was because of an error */ 590EXTERN int intty IZERO; /* Input is a tty */ 591EXTERN int intact IZERO; /* We are interactive... therefore prompt */ 592EXTERN int justpr IZERO; /* Just print because of :p hist mod */ 593EXTERN int loginsh IZERO; /* We are a loginsh -> .login/.logout */ 594EXTERN int neednote IZERO; /* Need to pnotify() */ 595EXTERN int noexec IZERO; /* Don't execute, just syntax check */ 596EXTERN int pjobs IZERO; /* want to print jobs if interrupted */ 597EXTERN int setintr IZERO; /* Set interrupts on/off -> Wait intr... */ 598EXTERN int timflg IZERO; /* Time the next waited for command */ 599EXTERN int havhash IZERO; /* path hashing is available */ 600EXTERN int editing IZERO; /* doing filename expansion and line editing */ 601EXTERN int noediting IZERO; /* initial $term defaulted to noedit */ 602EXTERN int bslash_quote IZERO;/* PWP: tcsh-style quoting? (in sh.c) */ 603EXTERN int isoutatty IZERO; /* is SHOUT a tty */ 604EXTERN int isdiagatty IZERO;/* is SHDIAG a tty */ 605EXTERN int is1atty IZERO; /* is file descriptor 1 a tty (didfds mode) */ 606EXTERN int is2atty IZERO; /* is file descriptor 2 a tty (didfds mode) */ 607EXTERN int arun IZERO; /* Currently running multi-line-aliases */ 608EXTERN int implicit_cd IZERO;/* implicit cd enabled?(1=enabled,2=verbose) */ 609EXTERN int inheredoc IZERO; /* Currently parsing a heredoc */ 610EXTERN int windowchg IZERO; /* We received a window change event */ 611#if defined(KANJI) && defined(SHORT_STRINGS) && defined(DSPMBYTE) 612EXTERN int dspmbyte_ls; 613#endif 614 615/* 616 * Global i/o info 617 */ 618EXTERN Char *arginp IZERO; /* Argument input for sh -c and internal `xx` */ 619EXTERN int onelflg IZERO; /* 2 -> need line for -t, 1 -> exit on read */ 620extern Char *ffile; /* Name of shell file for $0 */ 621extern int dolzero; /* if $?0 should return true... */ 622 623extern char *seterr; /* Error message from scanner/parser */ 624#ifndef errno 625extern int errno; /* Error from C library routines */ 626#endif 627extern int exitset; 628EXTERN Char *shtemp IZERO; /* Temp name for << shell files in /tmp */ 629 630#ifdef BSDTIMES 631EXTERN struct timeval time0; /* Time at which the shell started */ 632EXTERN struct sysrusage ru0; 633#else 634# ifdef _SEQUENT_ 635EXTERN timeval_t time0; /* time at which shell started */ 636EXTERN struct process_stats ru0; 637# else /* _SEQUENT_ */ 638# ifndef POSIX 639EXTERN time_t time0; /* time at which shell started */ 640# else /* POSIX */ 641EXTERN clock_t time0; /* time at which shell started */ 642EXTERN clock_t clk_tck; 643# endif /* POSIX */ 644EXTERN struct tms shtimes; /* shell and child times for process timing */ 645# endif /* _SEQUENT_ */ 646EXTERN long seconds0; 647#endif /* BSDTIMES */ 648 649#ifndef HZ 650# define HZ 100 /* for division into seconds */ 651#endif 652 653/* 654 * Miscellany 655 */ 656EXTERN Char *doldol; /* Character pid for $$ */ 657EXTERN int backpid; /* pid of the last background job */ 658 659/* 660 * Ideally these should be uid_t, gid_t, pid_t. I cannot do that right now 661 * cause pid's could be unsigned and that would break our -1 flag, and 662 * uid_t and gid_t are not defined in all the systems so I would have to 663 * make special cases for them. In the future... 664 */ 665EXTERN uid_t uid, euid; /* Invokers real and effective */ 666EXTERN gid_t gid, egid; /* User and group ids */ 667EXTERN pid_t opgrp, /* Initial pgrp and tty pgrp */ 668 shpgrp, /* Pgrp of shell */ 669 tpgrp; /* Terminal process group */ 670 /* If tpgrp is -1, leave tty alone! */ 671 672EXTERN Char PromptBuf[INBUFSIZE*2]; /* buffer for the actual printed prompt. 673 * this must be large enough to contain 674 * the input line and the prompt, in 675 * case a correction occurred... 676 */ 677EXTERN Char RPromptBuf[INBUFSIZE]; /* buffer for right-hand side prompt */ 678 679/* 680 * To be able to redirect i/o for builtins easily, the shell moves the i/o 681 * descriptors it uses away from 0,1,2. 682 * Ideally these should be in units which are closed across exec's 683 * (this saves work) but for version 6, this is not usually possible. 684 * The desired initial values for these descriptors are defined in 685 * sh.local.h. 686 */ 687EXTERN int SHIN IZERO; /* Current shell input (script) */ 688EXTERN int SHOUT IZERO; /* Shell output */ 689EXTERN int SHDIAG IZERO; /* Diagnostic output... shell errs go here */ 690EXTERN int OLDSTD IZERO; /* Old standard input (def for cmds) */ 691 692 693#if SYSVREL == 4 && defined(_UTS) 694/* 695 * From: fadden@uts.amdahl.com (Andy McFadden) 696 * we need sigsetjmp for UTS4, but not UTS2.1 697 */ 698# define SIGSETJMP 699#endif 700 701/* 702 * Error control 703 * 704 * Errors in scanning and parsing set up an error message to be printed 705 * at the end and complete. Other errors always cause a reset. 706 * Because of source commands and .cshrc we need nested error catches. 707 */ 708 709#ifdef NO_STRUCT_ASSIGNMENT 710 711# ifdef SIGSETJMP 712 typedef sigjmp_buf jmp_buf_t; 713 /* bugfix by Jak Kirman @ Brown U.: remove the (void) cast here, see sh.c */ 714# define setexit() sigsetjmp(reslab) 715# define reset() siglongjmp(reslab, 1) 716# else 717 typedef jmp_buf jmp_buf_t; 718 /* bugfix by Jak Kirman @ Brown U.: remove the (void) cast here, see sh.c */ 719# define setexit() setjmp(reslab) 720# define reset() longjmp(reslab, 1) 721# endif 722# define getexit(a) (void) memmove((ptr_t)&(a), (ptr_t)&reslab, sizeof(reslab)) 723# define resexit(a) (void) memmove((ptr_t)&reslab, (ptr_t)&(a), sizeof(reslab)) 724 725# define cpybin(a, b) (void) memmove((ptr_t)&(a), (ptr_t)&(b), sizeof(Bin)) 726 727#else 728 729# ifdef SIGSETJMP 730 typedef struct { sigjmp_buf j; } jmp_buf_t; 731# define setexit() sigsetjmp(reslab.j) 732# define reset() siglongjmp(reslab.j, 1) 733# else 734 typedef struct { jmp_buf j; } jmp_buf_t; 735# define setexit() setjmp(reslab.j) 736# define reset() longjmp(reslab.j, 1) 737# endif 738 739# define getexit(a) (void) ((a) = reslab) 740# define resexit(a) (void) (reslab = (a)) 741 742# define cpybin(a, b) (void) ((a) = (b)) 743 744#endif /* NO_STRUCT_ASSIGNMENT */ 745 746extern jmp_buf_t reslab; 747 748EXTERN Char *gointr; /* Label for an onintr transfer */ 749 750extern signalfun_t parintr; /* Parents interrupt catch */ 751extern signalfun_t parterm; /* Parents terminate catch */ 752 753/* 754 * Lexical definitions. 755 * 756 * All lexical space is allocated dynamically. 757 * The eighth/sixteenth bit of characters is used to prevent recognition, 758 * and eventually stripped. 759 */ 760#define META 0200 761#define ASCII 0177 762#ifdef WIDE_STRINGS /* Implies SHORT_STRINGS */ 763/* 31st char bit used for 'ing (not 32nd, we want all values nonnegative) */ 764# define QUOTE 0x40000000 765# define TRIM 0x3FFFFFFF /* Mask to strip quote bit */ 766# define UNDER 0x20000000 /* Underline flag */ 767# define BOLD 0x10000000 /* Bold flag */ 768# define STANDOUT 0x08000000 /* Standout flag */ 769# define LITERAL 0x04000000 /* Literal character flag */ 770# define ATTRIBUTES 0x3C000000 /* The bits used for attributes */ 771# define INVALID_BYTE 0x00200000 /* Invalid character on input */ 772# define CHAR 0x003FFFFF /* Mask to mask out the character */ 773#elif defined (SHORT_STRINGS) 774# define QUOTE ((Char) 0100000)/* 16nth char bit used for 'ing */ 775# define TRIM 0073777 /* Mask to strip quote/lit bit */ 776# define UNDER 0040000 /* Underline flag */ 777# define BOLD 0020000 /* Bold flag */ 778# define STANDOUT 0010000 /* Standout flag */ 779# define LITERAL 0004000 /* Literal character flag */ 780# define ATTRIBUTES 0074000 /* The bits used for attributes */ 781# define INVALID_BYTE 0 782# define CHAR 0000377 /* Mask to mask out the character */ 783#else 784# define QUOTE ((Char) 0200) /* Eighth char bit used for 'ing */ 785# define TRIM 0177 /* Mask to strip quote bit */ 786# define UNDER 0000000 /* No extra bits to do both */ 787# define BOLD 0000000 /* Bold flag */ 788# define STANDOUT META /* Standout flag */ 789# define LITERAL 0000000 /* Literal character flag */ 790# define ATTRIBUTES 0200 /* The bits used for attributes */ 791# define INVALID_BYTE 0 792# define CHAR 0000177 /* Mask to mask out the character */ 793#endif 794#define CHAR_DBWIDTH (LITERAL|(LITERAL-1)) 795 796EXTERN int AsciiOnly; /* If set only 7 bits expected in characters */ 797 798/* 799 * Each level of input has a buffered input structure. 800 * There are one or more blocks of buffered input for each level, 801 * exactly one if the input is seekable and tell is available. 802 * In other cases, the shell buffers enough blocks to keep all loops 803 * in the buffer. 804 */ 805EXTERN struct Bin { 806 off_t Bfseekp; /* Seek pointer, generally != lseek() value */ 807 off_t Bfbobp; /* Seekp of beginning of buffers */ 808 off_t Bfeobp; /* Seekp of end of buffers */ 809 int Bfblocks; /* Number of buffer blocks */ 810 Char **Bfbuf; /* The array of buffer blocks */ 811#ifdef WIDE_STRINGS 812 /* Number of bytes in each character if (cantell) */ 813 unsigned char Bfclens[BUFSIZE + 1]; 814#endif 815} B; 816 817/* 818 * This structure allows us to seek inside aliases 819 */ 820struct Ain { 821 int type; 822#define TCSH_I_SEEK 0 /* Invalid seek */ 823#define TCSH_A_SEEK 1 /* Alias seek */ 824#define TCSH_F_SEEK 2 /* File seek */ 825#define TCSH_E_SEEK 3 /* Eval seek */ 826 union { 827 off_t _f_seek; 828 Char* _c_seek; 829 } fc; 830#define f_seek fc._f_seek 831#define c_seek fc._c_seek 832 Char **a_seek; 833} ; 834 835extern int aret; /* Type of last char returned */ 836#define SEEKEQ(a, b) ((a)->type == (b)->type && \ 837 (a)->f_seek == (b)->f_seek && \ 838 (a)->a_seek == (b)->a_seek) 839 840#define fseekp B.Bfseekp 841#define fbobp B.Bfbobp 842#define feobp B.Bfeobp 843#define fblocks B.Bfblocks 844#define fbuf B.Bfbuf 845#define fclens B.Bfclens 846 847/* 848 * The shell finds commands in loops by reseeking the input 849 * For whiles, in particular, it reseeks to the beginning of the 850 * line the while was on; hence the while placement restrictions. 851 */ 852EXTERN struct Ain lineloc; 853 854EXTERN int cantell; /* Is current source tellable ? */ 855 856/* 857 * Input lines are parsed into doubly linked circular 858 * lists of words of the following form. 859 */ 860struct wordent { 861 Char *word; 862 struct wordent *prev; 863 struct wordent *next; 864}; 865 866/* 867 * During word building, both in the initial lexical phase and 868 * when expanding $ variable substitutions, expansion by `!' and `$' 869 * must be inhibited when reading ahead in routines which are themselves 870 * processing `!' and `$' expansion or after characters such as `\' or in 871 * quotations. The following flags are passed to the getC routines 872 * telling them which of these substitutions are appropriate for the 873 * next character to be returned. 874 */ 875#define DODOL 1 876#define DOEXCL 2 877#define DOALL DODOL|DOEXCL 878 879/* 880 * Labuf implements a general buffer for lookahead during lexical operations. 881 * Text which is to be placed in the input stream can be stuck here. 882 * We stick parsed ahead $ constructs during initial input, 883 * process id's from `$$', and modified variable values (from qualifiers 884 * during expansion in sh.dol.c) here. 885 */ 886EXTERN Char *lap; 887 888/* 889 * Parser structure 890 * 891 * Each command is parsed to a tree of command structures and 892 * flags are set bottom up during this process, to be propagated down 893 * as needed during the semantics/exeuction pass (sh.sem.c). 894 */ 895struct command { 896 unsigned char t_dtyp; /* Type of node */ 897#define NODE_COMMAND 1 /* t_dcom <t_dlef >t_drit */ 898#define NODE_PAREN 2 /* ( t_dspr ) <t_dlef >t_drit */ 899#define NODE_PIPE 3 /* t_dlef | t_drit */ 900#define NODE_LIST 4 /* t_dlef ; t_drit */ 901#define NODE_OR 5 /* t_dlef || t_drit */ 902#define NODE_AND 6 /* t_dlef && t_drit */ 903 unsigned char t_nice; /* Nice value */ 904#ifdef apollo 905 unsigned char t_systype; /* System environment */ 906#endif 907 unsigned long t_dflg; /* Flags, e.g. F_AMPERSAND|... */ 908/* save these when re-doing */ 909#ifndef apollo 910#define F_SAVE (F_NICE|F_TIME|F_NOHUP|F_HUP) 911#else 912#define F_SAVE (F_NICE|F_TIME|F_NOHUP||F_HUP|F_VER) 913#endif 914#define F_AMPERSAND (1<<0) /* executes in background */ 915#define F_APPEND (1<<1) /* output is redirected >> */ 916#define F_PIPEIN (1<<2) /* input is a pipe */ 917#define F_PIPEOUT (1<<3) /* output is a pipe */ 918#define F_NOFORK (1<<4) /* don't fork, last ()ized cmd */ 919#define F_NOINTERRUPT (1<<5) /* should be immune from intr's */ 920/* spare */ 921#define F_STDERR (1<<7) /* redirect unit 2 with unit 1 */ 922#define F_OVERWRITE (1<<8) /* output was ! */ 923#define F_READ (1<<9) /* input redirection is << */ 924#define F_REPEAT (1<<10) /* reexec aft if, repeat,... */ 925#define F_NICE (1<<11) /* t_nice is meaningful */ 926#define F_NOHUP (1<<12) /* nohup this command */ 927#define F_TIME (1<<13) /* time this command */ 928#define F_BACKQ (1<<14) /* command is in `` */ 929#define F_HUP (1<<15) /* hup this command */ 930#ifdef apollo 931#define F_VER (1<<16) /* execute command under SYSTYPE */ 932#endif 933 union { 934 Char *T_dlef; /* Input redirect word */ 935 struct command *T_dcar; /* Left part of list/pipe */ 936 } L; 937 union { 938 Char *T_drit; /* Output redirect word */ 939 struct command *T_dcdr; /* Right part of list/pipe */ 940 } R; 941#define t_dlef L.T_dlef 942#define t_dcar L.T_dcar 943#define t_drit R.T_drit 944#define t_dcdr R.T_dcdr 945 Char **t_dcom; /* Command/argument vector */ 946 struct command *t_dspr; /* Pointer to ()'d subtree */ 947}; 948 949 950/* 951 * The keywords for the parser 952 */ 953#define TC_BREAK 0 954#define TC_BRKSW 1 955#define TC_CASE 2 956#define TC_DEFAULT 3 957#define TC_ELSE 4 958#define TC_END 5 959#define TC_ENDIF 6 960#define TC_ENDSW 7 961#define TC_EXIT 8 962#define TC_FOREACH 9 963#define TC_GOTO 10 964#define TC_IF 11 965#define TC_LABEL 12 966#define TC_LET 13 967#define TC_SET 14 968#define TC_SWITCH 15 969#define TC_TEST 16 970#define TC_THEN 17 971#define TC_WHILE 18 972 973/* 974 * These are declared here because they want to be 975 * initialized in sh.init.c (to allow them to be made readonly) 976 */ 977 978#if defined(hpux) && defined(__STDC__) && !defined(__GNUC__) 979 /* Avoid hpux ansi mode spurious warnings */ 980typedef void (*bfunc_t) (); 981#else 982typedef void (*bfunc_t) __P((Char **, struct command *)); 983#endif /* hpux && __STDC__ && !__GNUC__ */ 984 985extern struct biltins { 986 const char *bname; 987 bfunc_t bfunct; 988 int minargs, maxargs; 989} bfunc[]; 990extern int nbfunc; 991#ifdef WINNT_NATIVE 992extern struct biltins nt_bfunc[]; 993extern int nt_nbfunc; 994#endif /* WINNT_NATIVE*/ 995extern int bequiet; 996 997extern struct srch { 998 const char *s_name; 999 int s_value; 1000} srchn[]; 1001extern int nsrchn; 1002 1003/* 1004 * Structure defining the existing while/foreach loops at this 1005 * source level. Loops are implemented by seeking back in the 1006 * input. For foreach (fe), the word list is attached here. 1007 */ 1008EXTERN struct whyle { 1009 struct Ain w_start; /* Point to restart loop */ 1010 struct Ain w_end; /* End of loop (0 if unknown) */ 1011 Char **w_fe, **w_fe0; /* Current/initial wordlist for fe */ 1012 Char *w_fename; /* Name for fe */ 1013 struct whyle *w_next; /* Next (more outer) loop */ 1014} *whyles; 1015 1016/* 1017 * Variable structure 1018 * 1019 * Aliases and variables are stored in AVL balanced binary trees. 1020 */ 1021EXTERN struct varent { 1022 Char **vec; /* Array of words which is the value */ 1023 Char *v_name; /* Name of variable/alias */ 1024 int v_flags; /* Flags */ 1025#define VAR_ALL -1 1026#define VAR_READONLY 1 1027#define VAR_READWRITE 2 1028#define VAR_NOGLOB 4 1029#define VAR_FIRST 32 1030#define VAR_LAST 64 1031 struct varent *v_link[3]; /* The links, see below */ 1032 int v_bal; /* Balance factor */ 1033} shvhed IZERO_STRUCT, aliases IZERO_STRUCT; 1034 1035#define v_left v_link[0] 1036#define v_right v_link[1] 1037#define v_parent v_link[2] 1038 1039#define adrof(v) adrof1(v, &shvhed) 1040#define varval(v) value1(v, &shvhed) 1041 1042/* 1043 * The following are for interfacing redo substitution in 1044 * aliases to the lexical routines. 1045 */ 1046EXTERN struct wordent *alhistp IZERO_STRUCT;/* Argument list (first) */ 1047EXTERN struct wordent *alhistt IZERO_STRUCT;/* Node after last in arg list */ 1048EXTERN Char **alvec IZERO_STRUCT, 1049 *alvecp IZERO_STRUCT;/* The (remnants of) alias vector */ 1050 1051/* 1052 * Filename/command name expansion variables 1053 */ 1054EXTERN int gflag; /* After tglob -> is globbing needed? */ 1055 1056#define MAXVARLEN 256 /* Maximum number of char in a variable name */ 1057 1058#ifdef __CYGWIN__ 1059# undef MAXPATHLEN 1060#endif /* __CYGWIN__ */ 1061 1062#ifndef MAXPATHLEN 1063# define MAXPATHLEN 2048 1064#endif /* MAXPATHLEN */ 1065 1066#ifndef MAXNAMLEN 1067# define MAXNAMLEN 512 1068#endif /* MAXNAMLEN */ 1069 1070#ifndef HAVENOLIMIT 1071/* 1072 * resource limits 1073 */ 1074extern struct limits { 1075 int limconst; 1076 const char *limname; 1077 int limdiv; 1078 const char *limscale; 1079} limits[]; 1080#endif /* !HAVENOLIMIT */ 1081 1082/* 1083 * Variables for filename expansion 1084 */ 1085extern Char **gargv; /* Pointer to the (stack) arglist */ 1086extern int gargc; /* Number args in gargv */ 1087 1088/* 1089 * Variables for command expansion. 1090 */ 1091extern Char **pargv; /* Pointer to the argv list space */ 1092EXTERN Char *pargs; /* Pointer to start current word */ 1093EXTERN long pnleft; /* Number of chars left in pargs */ 1094EXTERN Char *pargcp; /* Current index into pargs */ 1095 1096/* 1097 * History list 1098 * 1099 * Each history list entry contains an embedded wordlist 1100 * from the scanner, a number for the event, and a reference count 1101 * to aid in discarding old entries. 1102 * 1103 * Essentially "invisible" entries are put on the history list 1104 * when history substitution includes modifiers, and thrown away 1105 * at the next discarding since their event numbers are very negative. 1106 */ 1107EXTERN struct Hist { 1108 struct wordent Hlex; 1109 int Hnum; 1110 int Href; 1111 time_t Htime; 1112 Char *histline; 1113 struct Hist *Hnext; 1114} Histlist IZERO_STRUCT; 1115 1116EXTERN struct wordent paraml; /* Current lexical word list */ 1117EXTERN int eventno; /* Next events number */ 1118EXTERN int lastev; /* Last event reference (default) */ 1119 1120EXTERN Char HIST; /* history invocation character */ 1121EXTERN Char HISTSUB; /* auto-substitute character */ 1122EXTERN Char PRCH; /* Prompt symbol for regular users */ 1123EXTERN Char PRCHROOT; /* Prompt symbol for root */ 1124 1125/* 1126 * For operating systems with single case filenames (OS/2) 1127 */ 1128#ifdef CASE_INSENSITIVE 1129# ifdef WIDE_STRINGS 1130# define samecase(x) (towlower(x)) 1131# else 1132# define samecase(x) (isupper((unsigned char)(x)) ? \ 1133 tolower((unsigned char)(x)) : (x)) 1134# endif 1135#else 1136# define samecase(x) (x) 1137#endif /* CASE_INSENSITIVE */ 1138 1139/* 1140 * strings.h: 1141 */ 1142#ifndef SHORT_STRINGS 1143#define Strchr(a, b) strchr(a, b) 1144#define Strrchr(a, b) strrchr(a, b) 1145#define Strcat(a, b) strcat(a, b) 1146#define Strncat(a, b, c) strncat(a, b, c) 1147#define Strcpy(a, b) strcpy(a, b) 1148#define Strncpy(a, b, c) strncpy(a, b, c) 1149#define Strlen(a) strlen(a) 1150#define Strcmp(a, b) strcmp(a, b) 1151#define Strncmp(a, b, c) strncmp(a, b, c) 1152#define Strcasecmp(a, b) strcasecmp(a, b) 1153 1154#define Strspl(a, b) strspl(a, b) 1155#define Strsave(a) strsave(a) 1156#define Strend(a) strend(a) 1157#define Strstr(a, b) strstr(a, b) 1158 1159#define str2short(a) (a) 1160#define blk2short(a) saveblk(a) 1161#define short2blk(a) saveblk(a) 1162#define short2str(a) strip(a) 1163#else 1164#ifdef WIDE_STRINGS 1165#define Strchr(a, b) wcschr(a, b) 1166#define Strrchr(a, b) wcsrchr(a, b) 1167#define Strcat(a, b) wcscat(a, b) 1168#define Strncat(a, b, c) wcsncat(a, b, c) 1169#define Strcpy(a, b) wcscpy(a, b) 1170#define Strncpy(a, b, c) wcsncpy(a, b, c) 1171#define Strlen(a) wcslen(a) 1172#define Strcmp(a, b) wcscmp(a, b) 1173#define Strncmp(a, b, c) wcsncmp(a, b, c) 1174#else 1175#define Strchr(a, b) s_strchr(a, b) 1176#define Strrchr(a, b) s_strrchr(a, b) 1177#define Strcat(a, b) s_strcat(a, b) 1178#define Strncat(a, b, c) s_strncat(a, b, c) 1179#define Strcpy(a, b) s_strcpy(a, b) 1180#define Strncpy(a, b, c) s_strncpy(a, b, c) 1181#define Strlen(a) s_strlen(a) 1182#define Strcmp(a, b) s_strcmp(a, b) 1183#define Strncmp(a, b, c) s_strncmp(a, b, c) 1184#endif 1185#define Strcasecmp(a, b) s_strcasecmp(a, b) 1186 1187#define Strspl(a, b) s_strspl(a, b) 1188#define Strsave(a) s_strsave(a) 1189#define Strend(a) s_strend(a) 1190#define Strstr(a, b) s_strstr(a, b) 1191#endif 1192 1193/* 1194 * setname is a macro to save space (see sh.err.c) 1195 */ 1196EXTERN const char *bname; 1197 1198#define setname(a) (bname = (a)) 1199 1200#ifdef VFORK 1201EXTERN Char *Vsav; 1202EXTERN Char *Vdp; 1203EXTERN Char *Vexpath; 1204EXTERN char **Vt; 1205#endif /* VFORK */ 1206 1207EXTERN Char **evalvec; 1208EXTERN Char *evalp; 1209 1210extern struct mesg { 1211 const char *iname; /* name from /usr/include */ 1212 const char *pname; /* print name */ 1213} mesg[]; 1214 1215/* word_chars is set by default to WORD_CHARS but can be overridden by 1216 the worchars variable--if unset, reverts to WORD_CHARS */ 1217 1218EXTERN Char *word_chars; 1219 1220#define WORD_CHARS "*?_-.[]~=" /* default chars besides alnums in words */ 1221 1222EXTERN Char *STR_SHELLPATH; 1223 1224#ifdef _PATH_BSHELL 1225EXTERN Char *STR_BSHELL; 1226#endif 1227EXTERN Char *STR_WORD_CHARS; 1228EXTERN Char **STR_environ IZERO; 1229 1230extern int dont_free; /* Tell free that we are in danger if we free */ 1231 1232extern Char *INVPTR; 1233extern Char **INVPPTR; 1234 1235extern char *progname; 1236extern int tcsh; 1237extern int xlate_cr; 1238extern int output_raw; 1239extern int lbuffed; 1240extern time_t Htime; 1241extern int numeof; 1242extern int insource; 1243extern char linbuf[]; 1244extern char *linp; 1245extern int nsig; 1246#ifdef VFORK 1247extern int use_fork; 1248#endif 1249extern int tellwhat; 1250extern int NoNLSRebind; 1251 1252#include "tc.h" 1253 1254#ifndef WINNT_NATIVE 1255# ifdef NLS_CATALOGS 1256# if defined(linux) || defined(__GNU__) || defined(__GLIBC__) 1257# include <locale.h> 1258# ifdef notdef 1259# include <localeinfo.h> /* Has this changed ? */ 1260# endif 1261# include <features.h> 1262# endif 1263# ifdef SUNOS4 1264 /* Who stole my nl_types.h? :-( 1265 * All this stuff is in the man pages, but nowhere else? 1266 * This does not link right now... 1267 */ 1268 typedef void *nl_catd; 1269 extern const char * catgets __P((nl_catd, int, int, const char *)); 1270 nl_catd catopen __P((const char *, int)); 1271 int catclose __P((nl_catd)); 1272# else 1273# ifdef __uxps__ 1274# define gettxt gettxt_ds 1275# endif 1276# include <nl_types.h> 1277# ifdef __uxps__ 1278# undef gettxt 1279# endif 1280# endif 1281# ifndef MCLoadBySet 1282# define MCLoadBySet 0 1283# endif 1284EXTERN nl_catd catd; 1285# ifdef HAVE_ICONV 1286# define CGETS(b, c, d) iconv_catgets(catd, b, c, d) 1287# else 1288# define CGETS(b, c, d) catgets(catd, b, c, d) 1289# endif 1290# define CSAVS(b, c, d) strsave(CGETS(b, c, d)) 1291# else 1292# define CGETS(b, c, d) d 1293# define CSAVS(b, c, d) d 1294# endif 1295#else /* WINNT_NATIVE */ 1296# define CGETS(b, c, d) nt_cgets( b, c, d) 1297# define CSAVS(b, c, d) strsave(CGETS(b, c, d)) 1298#endif /* WINNT_NATIVE */ 1299 1300#if defined(FILEC) 1301extern int filec; 1302#endif /* FILEC */ 1303 1304#include "sh.decls.h" 1305/* 1306 * Since on some machines characters are unsigned, and the signed 1307 * keyword is not universally implemented, we treat all characters 1308 * as unsigned and sign extend them where we need. 1309 */ 1310#define SIGN_EXTEND_CHAR(a) (((a) & 0x80) ? ((a) | ~0x7f) : (a)) 1311 1312/* 1313 * explanation for use by the "--help" option 1314 */ 1315#define HELP_STRING "\ 1316-b file batch mode, read and execute commands from `file' \n\ 1317-c command run `command' from next argument \n\ 1318-d load directory stack from `~/.cshdirs' \n\ 1319-Dname[=value] define environment variable `name' to `value' (DomainOS only) \n\ 1320-e exit on any error \n\ 1321-f start faster by ignoring the start-up file \n\ 1322-F use fork() instead of vfork() when spawning (ConvexOS only) \n\ 1323-i interactive, even when input is not from a terminal \n\ 1324-l act as a login shell, must be the only option specified \n\ 1325-m load the start-up file, whether or not owned by effective user \n\ 1326-n file no execute mode, just check syntax of the following `file' \n\ 1327-q accept SIGQUIT for running under a debugger \n\ 1328-s read commands from standard input \n\ 1329-t read one line from standard input \n\ 1330-v echo commands after history substitution \n\ 1331-V like -v but including commands read from the start-up file \n\ 1332-x echo commands immediately before execution \n\ 1333-X like -x but including commands read from the start-up file \n\ 1334--help print this message and exit \n\ 1335--version print the version shell variable and exit \n\ 1336\nSee the tcsh(1) manual page for detailed information.\n" 1337 1338#include "tc.nls.h" 1339 1340#endif /* _h_sh */ 1341