1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935
|
/*
* options.c - shell options
*
* This file is part of zsh, the Z shell.
*
* Copyright (c) 1992-1997 Paul Falstad
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and to distribute modified versions of this software for any
* purpose, provided that the above copyright notice and the following
* two paragraphs appear in all copies of this software.
*
* In no event shall Paul Falstad or the Zsh Development Group be liable
* to any party for direct, indirect, special, incidental, or consequential
* damages arising out of the use of this software and its documentation,
* even if Paul Falstad and the Zsh Development Group have been advised of
* the possibility of such damage.
*
* Paul Falstad and the Zsh Development Group specifically disclaim any
* warranties, including, but not limited to, the implied warranties of
* merchantability and fitness for a particular purpose. The software
* provided hereunder is on an "as is" basis, and Paul Falstad and the
* Zsh Development Group have no obligation to provide maintenance,
* support, updates, enhancements, or modifications.
*
*/
#include "zsh.mdh"
#include "options.pro"
/* current emulation (used to decide which set of option letters is used) */
/**/
mod_export int emulation;
/* current sticky emulation: sticky = NULL means none */
/**/
mod_export Emulation_options sticky;
/* the options; e.g. if opts[SHGLOB] != 0, SH_GLOB is turned on */
/**/
mod_export char opts[OPT_SIZE];
/* Option name hash table */
/**/
mod_export HashTable optiontab;
/* The canonical option name table */
#define OPT_CSH EMULATE_CSH
#define OPT_KSH EMULATE_KSH
#define OPT_SH EMULATE_SH
#define OPT_ZSH EMULATE_ZSH
#define OPT_ALL (OPT_CSH|OPT_KSH|OPT_SH|OPT_ZSH)
#define OPT_BOURNE (OPT_KSH|OPT_SH)
#define OPT_BSHELL (OPT_KSH|OPT_SH|OPT_ZSH)
#define OPT_NONBOURNE (OPT_ALL & ~OPT_BOURNE)
#define OPT_NONZSH (OPT_ALL & ~OPT_ZSH)
/* option is relevant to emulation */
#define OPT_EMULATE (EMULATE_UNUSED)
/* option should never be set by emulate() */
#define OPT_SPECIAL (EMULATE_UNUSED<<1)
/* option is an alias to an other option */
#define OPT_ALIAS (EMULATE_UNUSED<<2)
#define defset(X, my_emulation) (!!((X)->node.flags & my_emulation))
/*
* Note that option names should usually be fewer than 20 characters long
* to avoid formatting problems.
*/
static struct optname optns[] = {
{{NULL, "aliases", OPT_EMULATE|OPT_ALL}, ALIASESOPT},
{{NULL, "allexport", OPT_EMULATE}, ALLEXPORT},
{{NULL, "alwayslastprompt", OPT_ALL}, ALWAYSLASTPROMPT},
{{NULL, "alwaystoend", 0}, ALWAYSTOEND},
{{NULL, "appendcreate", OPT_EMULATE|OPT_BOURNE}, APPENDCREATE},
{{NULL, "appendhistory", OPT_ALL}, APPENDHISTORY},
{{NULL, "autocd", OPT_EMULATE}, AUTOCD},
{{NULL, "autocontinue", 0}, AUTOCONTINUE},
{{NULL, "autolist", OPT_ALL}, AUTOLIST},
{{NULL, "automenu", OPT_ALL}, AUTOMENU},
{{NULL, "autonamedirs", 0}, AUTONAMEDIRS},
{{NULL, "autoparamkeys", OPT_ALL}, AUTOPARAMKEYS},
{{NULL, "autoparamslash", OPT_ALL}, AUTOPARAMSLASH},
{{NULL, "autopushd", 0}, AUTOPUSHD},
{{NULL, "autoremoveslash", OPT_ALL}, AUTOREMOVESLASH},
{{NULL, "autoresume", 0}, AUTORESUME},
{{NULL, "badpattern", OPT_EMULATE|OPT_NONBOURNE},BADPATTERN},
{{NULL, "banghist", OPT_NONBOURNE}, BANGHIST},
{{NULL, "bareglobqual", OPT_EMULATE|OPT_ZSH}, BAREGLOBQUAL},
{{NULL, "bashautolist", 0}, BASHAUTOLIST},
{{NULL, "bashrematch", 0}, BASHREMATCH},
{{NULL, "beep", OPT_ALL}, BEEP},
{{NULL, "bgnice", OPT_EMULATE|OPT_NONBOURNE},BGNICE},
{{NULL, "braceccl", OPT_EMULATE}, BRACECCL},
{{NULL, "bsdecho", OPT_EMULATE|OPT_SH}, BSDECHO},
{{NULL, "caseglob", OPT_ALL}, CASEGLOB},
{{NULL, "casematch", OPT_ALL}, CASEMATCH},
{{NULL, "cbases", 0}, CBASES},
{{NULL, "cprecedences", OPT_EMULATE|OPT_NONZSH}, CPRECEDENCES},
{{NULL, "cdablevars", OPT_EMULATE}, CDABLEVARS},
{{NULL, "chasedots", OPT_EMULATE}, CHASEDOTS},
{{NULL, "chaselinks", OPT_EMULATE}, CHASELINKS},
{{NULL, "checkjobs", OPT_EMULATE|OPT_ZSH}, CHECKJOBS},
{{NULL, "clobber", OPT_EMULATE|OPT_ALL}, CLOBBER},
{{NULL, "combiningchars", 0}, COMBININGCHARS},
{{NULL, "completealiases", 0}, COMPLETEALIASES},
{{NULL, "completeinword", 0}, COMPLETEINWORD},
{{NULL, "continueonerror", 0}, CONTINUEONERROR},
{{NULL, "correct", 0}, CORRECT},
{{NULL, "correctall", 0}, CORRECTALL},
{{NULL, "cshjunkiehistory", OPT_EMULATE|OPT_CSH}, CSHJUNKIEHISTORY},
{{NULL, "cshjunkieloops", OPT_EMULATE|OPT_CSH}, CSHJUNKIELOOPS},
{{NULL, "cshjunkiequotes", OPT_EMULATE|OPT_CSH}, CSHJUNKIEQUOTES},
{{NULL, "cshnullcmd", OPT_EMULATE|OPT_CSH}, CSHNULLCMD},
{{NULL, "cshnullglob", OPT_EMULATE|OPT_CSH}, CSHNULLGLOB},
{{NULL, "debugbeforecmd", OPT_ALL}, DEBUGBEFORECMD},
{{NULL, "emacs", 0}, EMACSMODE},
{{NULL, "equals", OPT_EMULATE|OPT_ZSH}, EQUALS},
{{NULL, "errexit", OPT_EMULATE}, ERREXIT},
{{NULL, "errreturn", OPT_EMULATE}, ERRRETURN},
{{NULL, "exec", OPT_ALL}, EXECOPT},
{{NULL, "extendedglob", OPT_EMULATE}, EXTENDEDGLOB},
{{NULL, "extendedhistory", OPT_CSH}, EXTENDEDHISTORY},
{{NULL, "evallineno", OPT_EMULATE|OPT_ZSH}, EVALLINENO},
{{NULL, "flowcontrol", OPT_ALL}, FLOWCONTROL},
{{NULL, "forcefloat", 0}, FORCEFLOAT},
{{NULL, "functionargzero", OPT_EMULATE|OPT_NONBOURNE},FUNCTIONARGZERO},
{{NULL, "glob", OPT_EMULATE|OPT_ALL}, GLOBOPT},
{{NULL, "globalexport", OPT_EMULATE|OPT_ZSH}, GLOBALEXPORT},
{{NULL, "globalrcs", OPT_ALL}, GLOBALRCS},
{{NULL, "globassign", OPT_EMULATE|OPT_CSH}, GLOBASSIGN},
{{NULL, "globcomplete", 0}, GLOBCOMPLETE},
{{NULL, "globdots", OPT_EMULATE}, GLOBDOTS},
{{NULL, "globstarshort", OPT_EMULATE}, GLOBSTARSHORT},
{{NULL, "globsubst", OPT_EMULATE|OPT_NONZSH}, GLOBSUBST},
{{NULL, "hashcmds", OPT_ALL}, HASHCMDS},
{{NULL, "hashdirs", OPT_ALL}, HASHDIRS},
{{NULL, "hashexecutablesonly", 0}, HASHEXECUTABLESONLY},
{{NULL, "hashlistall", OPT_ALL}, HASHLISTALL},
{{NULL, "histallowclobber", 0}, HISTALLOWCLOBBER},
{{NULL, "histbeep", OPT_ALL}, HISTBEEP},
{{NULL, "histexpiredupsfirst",0}, HISTEXPIREDUPSFIRST},
{{NULL, "histfcntllock", 0}, HISTFCNTLLOCK},
{{NULL, "histfindnodups", 0}, HISTFINDNODUPS},
{{NULL, "histignorealldups", 0}, HISTIGNOREALLDUPS},
{{NULL, "histignoredups", 0}, HISTIGNOREDUPS},
{{NULL, "histignorespace", 0}, HISTIGNORESPACE},
{{NULL, "histlexwords", 0}, HISTLEXWORDS},
{{NULL, "histnofunctions", 0}, HISTNOFUNCTIONS},
{{NULL, "histnostore", 0}, HISTNOSTORE},
{{NULL, "histsubstpattern", OPT_EMULATE}, HISTSUBSTPATTERN},
{{NULL, "histreduceblanks", 0}, HISTREDUCEBLANKS},
{{NULL, "histsavebycopy", OPT_ALL}, HISTSAVEBYCOPY},
{{NULL, "histsavenodups", 0}, HISTSAVENODUPS},
{{NULL, "histverify", 0}, HISTVERIFY},
{{NULL, "hup", OPT_EMULATE|OPT_ZSH}, HUP},
{{NULL, "ignorebraces", OPT_EMULATE|OPT_SH}, IGNOREBRACES},
{{NULL, "ignoreclosebraces", OPT_EMULATE}, IGNORECLOSEBRACES},
{{NULL, "ignoreeof", 0}, IGNOREEOF},
{{NULL, "incappendhistory", 0}, INCAPPENDHISTORY},
{{NULL, "incappendhistorytime", 0}, INCAPPENDHISTORYTIME},
{{NULL, "interactive", OPT_SPECIAL}, INTERACTIVE},
{{NULL, "interactivecomments",OPT_BOURNE}, INTERACTIVECOMMENTS},
{{NULL, "ksharrays", OPT_EMULATE|OPT_BOURNE}, KSHARRAYS},
{{NULL, "kshautoload", OPT_EMULATE|OPT_BOURNE}, KSHAUTOLOAD},
{{NULL, "kshglob", OPT_EMULATE|OPT_KSH}, KSHGLOB},
{{NULL, "kshoptionprint", OPT_EMULATE|OPT_KSH}, KSHOPTIONPRINT},
{{NULL, "kshtypeset", 0}, KSHTYPESET},
{{NULL, "kshzerosubscript", 0}, KSHZEROSUBSCRIPT},
{{NULL, "listambiguous", OPT_ALL}, LISTAMBIGUOUS},
{{NULL, "listbeep", OPT_ALL}, LISTBEEP},
{{NULL, "listpacked", 0}, LISTPACKED},
{{NULL, "listrowsfirst", 0}, LISTROWSFIRST},
{{NULL, "listtypes", OPT_ALL}, LISTTYPES},
{{NULL, "localoptions", OPT_EMULATE|OPT_KSH}, LOCALOPTIONS},
{{NULL, "localloops", OPT_EMULATE}, LOCALLOOPS},
{{NULL, "localpatterns", OPT_EMULATE}, LOCALPATTERNS},
{{NULL, "localtraps", OPT_EMULATE|OPT_KSH}, LOCALTRAPS},
{{NULL, "login", OPT_SPECIAL}, LOGINSHELL},
{{NULL, "longlistjobs", 0}, LONGLISTJOBS},
{{NULL, "magicequalsubst", OPT_EMULATE}, MAGICEQUALSUBST},
{{NULL, "mailwarning", 0}, MAILWARNING},
{{NULL, "markdirs", 0}, MARKDIRS},
{{NULL, "menucomplete", 0}, MENUCOMPLETE},
{{NULL, "monitor", OPT_SPECIAL}, MONITOR},
{{NULL, "multibyte",
#ifdef MULTIBYTE_SUPPORT
OPT_ALL
#else
0
#endif
}, MULTIBYTE},
{{NULL, "multifuncdef", OPT_EMULATE|OPT_ZSH}, MULTIFUNCDEF},
{{NULL, "multios", OPT_EMULATE|OPT_ZSH}, MULTIOS},
{{NULL, "nomatch", OPT_EMULATE|OPT_NONBOURNE},NOMATCH},
{{NULL, "notify", OPT_ZSH}, NOTIFY},
{{NULL, "nullglob", OPT_EMULATE}, NULLGLOB},
{{NULL, "numericglobsort", OPT_EMULATE}, NUMERICGLOBSORT},
{{NULL, "octalzeroes", OPT_EMULATE|OPT_SH}, OCTALZEROES},
{{NULL, "overstrike", 0}, OVERSTRIKE},
{{NULL, "pathdirs", OPT_EMULATE}, PATHDIRS},
{{NULL, "pathscript", OPT_EMULATE|OPT_BOURNE}, PATHSCRIPT},
{{NULL, "pipefail", OPT_EMULATE}, PIPEFAIL},
{{NULL, "posixaliases", OPT_EMULATE|OPT_BOURNE}, POSIXALIASES},
{{NULL, "posixargzero", OPT_EMULATE}, POSIXARGZERO},
{{NULL, "posixbuiltins", OPT_EMULATE|OPT_BOURNE}, POSIXBUILTINS},
{{NULL, "posixcd", OPT_EMULATE|OPT_BOURNE}, POSIXCD},
{{NULL, "posixidentifiers", OPT_EMULATE|OPT_BOURNE}, POSIXIDENTIFIERS},
{{NULL, "posixjobs", OPT_EMULATE|OPT_BOURNE}, POSIXJOBS},
{{NULL, "posixstrings", OPT_EMULATE|OPT_BOURNE}, POSIXSTRINGS},
{{NULL, "posixtraps", OPT_EMULATE|OPT_BOURNE}, POSIXTRAPS},
{{NULL, "printeightbit", 0}, PRINTEIGHTBIT},
{{NULL, "printexitvalue", 0}, PRINTEXITVALUE},
{{NULL, "privileged", OPT_SPECIAL}, PRIVILEGED},
{{NULL, "promptbang", OPT_KSH}, PROMPTBANG},
{{NULL, "promptcr", OPT_ALL}, PROMPTCR},
{{NULL, "promptpercent", OPT_NONBOURNE}, PROMPTPERCENT},
{{NULL, "promptsp", OPT_ALL}, PROMPTSP},
{{NULL, "promptsubst", OPT_BOURNE}, PROMPTSUBST},
{{NULL, "pushdignoredups", OPT_EMULATE}, PUSHDIGNOREDUPS},
{{NULL, "pushdminus", OPT_EMULATE}, PUSHDMINUS},
{{NULL, "pushdsilent", 0}, PUSHDSILENT},
{{NULL, "pushdtohome", OPT_EMULATE}, PUSHDTOHOME},
{{NULL, "rcexpandparam", OPT_EMULATE}, RCEXPANDPARAM},
{{NULL, "rcquotes", OPT_EMULATE}, RCQUOTES},
{{NULL, "rcs", OPT_ALL}, RCS},
{{NULL, "recexact", 0}, RECEXACT},
{{NULL, "rematchpcre", 0}, REMATCHPCRE},
{{NULL, "restricted", OPT_SPECIAL}, RESTRICTED},
{{NULL, "rmstarsilent", OPT_BOURNE}, RMSTARSILENT},
{{NULL, "rmstarwait", 0}, RMSTARWAIT},
{{NULL, "sharehistory", OPT_KSH}, SHAREHISTORY},
{{NULL, "shfileexpansion", OPT_EMULATE|OPT_BOURNE}, SHFILEEXPANSION},
{{NULL, "shglob", OPT_EMULATE|OPT_BOURNE}, SHGLOB},
{{NULL, "shinstdin", OPT_SPECIAL}, SHINSTDIN},
{{NULL, "shnullcmd", OPT_EMULATE|OPT_BOURNE}, SHNULLCMD},
{{NULL, "shoptionletters", OPT_EMULATE|OPT_BOURNE}, SHOPTIONLETTERS},
{{NULL, "shortloops", OPT_EMULATE|OPT_NONBOURNE},SHORTLOOPS},
{{NULL, "shwordsplit", OPT_EMULATE|OPT_BOURNE}, SHWORDSPLIT},
{{NULL, "singlecommand", OPT_SPECIAL}, SINGLECOMMAND},
{{NULL, "singlelinezle", OPT_KSH}, SINGLELINEZLE},
{{NULL, "sourcetrace", 0}, SOURCETRACE},
{{NULL, "sunkeyboardhack", 0}, SUNKEYBOARDHACK},
{{NULL, "transientrprompt", 0}, TRANSIENTRPROMPT},
{{NULL, "trapsasync", 0}, TRAPSASYNC},
{{NULL, "typesetsilent", OPT_EMULATE|OPT_BOURNE}, TYPESETSILENT},
{{NULL, "unset", OPT_EMULATE|OPT_BSHELL}, UNSET},
{{NULL, "verbose", 0}, VERBOSE},
{{NULL, "vi", 0}, VIMODE},
{{NULL, "warncreateglobal", OPT_EMULATE}, WARNCREATEGLOBAL},
{{NULL, "xtrace", 0}, XTRACE},
{{NULL, "zle", OPT_SPECIAL}, USEZLE},
{{NULL, "braceexpand", OPT_ALIAS}, /* ksh/bash */ -IGNOREBRACES},
{{NULL, "dotglob", OPT_ALIAS}, /* bash */ GLOBDOTS},
{{NULL, "hashall", OPT_ALIAS}, /* bash */ HASHCMDS},
{{NULL, "histappend", OPT_ALIAS}, /* bash */ APPENDHISTORY},
{{NULL, "histexpand", OPT_ALIAS}, /* bash */ BANGHIST},
{{NULL, "log", OPT_ALIAS}, /* ksh */ -HISTNOFUNCTIONS},
{{NULL, "mailwarn", OPT_ALIAS}, /* bash */ MAILWARNING},
{{NULL, "onecmd", OPT_ALIAS}, /* bash */ SINGLECOMMAND},
{{NULL, "physical", OPT_ALIAS}, /* ksh/bash */ CHASELINKS},
{{NULL, "promptvars", OPT_ALIAS}, /* bash */ PROMPTSUBST},
{{NULL, "stdin", OPT_ALIAS}, /* ksh */ SHINSTDIN},
{{NULL, "trackall", OPT_ALIAS}, /* ksh */ HASHCMDS},
{{NULL, "dvorak", 0}, DVORAK},
{{NULL, NULL, 0}, 0}
};
/* Option letters */
#define optletters (isset(SHOPTIONLETTERS) ? kshletters : zshletters)
#define FIRST_OPT '0'
#define LAST_OPT 'y'
static short zshletters[LAST_OPT - FIRST_OPT + 1] = {
/* 0 */ CORRECT,
/* 1 */ PRINTEXITVALUE,
/* 2 */ -BADPATTERN,
/* 3 */ -NOMATCH,
/* 4 */ GLOBDOTS,
/* 5 */ NOTIFY,
/* 6 */ BGNICE,
/* 7 */ IGNOREEOF,
/* 8 */ MARKDIRS,
/* 9 */ AUTOLIST,
/* : */ 0,
/* ; */ 0,
/* < */ 0,
/* = */ 0,
/* > */ 0,
/* ? */ 0,
/* @ */ 0,
/* A */ 0, /* use with set for arrays */
/* B */ -BEEP,
/* C */ -CLOBBER,
/* D */ PUSHDTOHOME,
/* E */ PUSHDSILENT,
/* F */ -GLOBOPT,
/* G */ NULLGLOB,
/* H */ RMSTARSILENT,
/* I */ IGNOREBRACES,
/* J */ AUTOCD,
/* K */ -BANGHIST,
/* L */ SUNKEYBOARDHACK,
/* M */ SINGLELINEZLE,
/* N */ AUTOPUSHD,
/* O */ CORRECTALL,
/* P */ RCEXPANDPARAM,
/* Q */ PATHDIRS,
/* R */ LONGLISTJOBS,
/* S */ RECEXACT,
/* T */ CDABLEVARS,
/* U */ MAILWARNING,
/* V */ -PROMPTCR,
/* W */ AUTORESUME,
/* X */ LISTTYPES,
/* Y */ MENUCOMPLETE,
/* Z */ USEZLE,
/* [ */ 0,
/* \ */ 0,
/* ] */ 0,
/* ^ */ 0,
/* _ */ 0,
/* ` */ 0,
/* a */ ALLEXPORT,
/* b */ 0, /* in non-Bourne shells, end of options */
/* c */ 0, /* command follows */
/* d */ -GLOBALRCS,
/* e */ ERREXIT,
/* f */ -RCS,
/* g */ HISTIGNORESPACE,
/* h */ HISTIGNOREDUPS,
/* i */ INTERACTIVE,
/* j */ 0,
/* k */ INTERACTIVECOMMENTS,
/* l */ LOGINSHELL,
/* m */ MONITOR,
/* n */ -EXECOPT,
/* o */ 0, /* long option name follows */
/* p */ PRIVILEGED,
/* q */ 0,
/* r */ RESTRICTED,
/* s */ SHINSTDIN,
/* t */ SINGLECOMMAND,
/* u */ -UNSET,
/* v */ VERBOSE,
/* w */ CHASELINKS,
/* x */ XTRACE,
/* y */ SHWORDSPLIT,
};
static short kshletters[LAST_OPT - FIRST_OPT + 1] = {
/* 0 */ 0,
/* 1 */ 0,
/* 2 */ 0,
/* 3 */ 0,
/* 4 */ 0,
/* 5 */ 0,
/* 6 */ 0,
/* 7 */ 0,
/* 8 */ 0,
/* 9 */ 0,
/* : */ 0,
/* ; */ 0,
/* < */ 0,
/* = */ 0,
/* > */ 0,
/* ? */ 0,
/* @ */ 0,
/* A */ 0,
/* B */ 0,
/* C */ -CLOBBER,
/* D */ 0,
/* E */ 0,
/* F */ 0,
/* G */ 0,
/* H */ 0,
/* I */ 0,
/* J */ 0,
/* K */ 0,
/* L */ 0,
/* M */ 0,
/* N */ 0,
/* O */ 0,
/* P */ 0,
/* Q */ 0,
/* R */ 0,
/* S */ 0,
/* T */ TRAPSASYNC,
/* U */ 0,
/* V */ 0,
/* W */ 0,
/* X */ MARKDIRS,
/* Y */ 0,
/* Z */ 0,
/* [ */ 0,
/* \ */ 0,
/* ] */ 0,
/* ^ */ 0,
/* _ */ 0,
/* ` */ 0,
/* a */ ALLEXPORT,
/* b */ NOTIFY,
/* c */ 0,
/* d */ 0,
/* e */ ERREXIT,
/* f */ -GLOBOPT,
/* g */ 0,
/* h */ 0,
/* i */ INTERACTIVE,
/* j */ 0,
/* k */ 0,
/* l */ LOGINSHELL,
/* m */ MONITOR,
/* n */ -EXECOPT,
/* o */ 0,
/* p */ PRIVILEGED,
/* q */ 0,
/* r */ RESTRICTED,
/* s */ SHINSTDIN,
/* t */ SINGLECOMMAND,
/* u */ -UNSET,
/* v */ VERBOSE,
/* w */ 0,
/* x */ XTRACE,
/* y */ 0,
};
/* Initialisation of the option name hash table */
/**/
static void
printoptionnode(HashNode hn, int set)
{
Optname on = (Optname) hn;
int optno = on->optno;
if (optno < 0)
optno = -optno;
if (isset(KSHOPTIONPRINT)) {
if (defset(on, emulation))
printf("no%-19s %s\n", on->node.nam, isset(optno) ? "off" : "on");
else
printf("%-21s %s\n", on->node.nam, isset(optno) ? "on" : "off");
} else if (set == (isset(optno) ^ defset(on, emulation))) {
if (set ^ isset(optno))
fputs("no", stdout);
puts(on->node.nam);
}
}
/**/
void
createoptiontable(void)
{
Optname on;
optiontab = newhashtable(101, "optiontab", NULL);
optiontab->hash = hasher;
optiontab->emptytable = NULL;
optiontab->filltable = NULL;
optiontab->cmpnodes = strcmp;
optiontab->addnode = addhashnode;
optiontab->getnode = gethashnode;
optiontab->getnode2 = gethashnode2;
optiontab->removenode = NULL;
optiontab->disablenode = disablehashnode;
optiontab->enablenode = enablehashnode;
optiontab->freenode = NULL;
optiontab->printnode = printoptionnode;
for (on = optns; on->node.nam; on++)
optiontab->addnode(optiontab, on->node.nam, on);
}
/* Emulation appropriate to the setemulate function */
static int setemulate_emulation;
/* Option array manipulated within the setemulate function */
/**/
static char *setemulate_opts;
/* Setting of default options */
/**/
static void
setemulate(HashNode hn, int fully)
{
Optname on = (Optname) hn;
/* Set options: each non-special option is set according to the *
* current emulation mode if either it is considered relevant *
* to emulation or we are doing a full emulation (as indicated *
* by the `fully' parameter). */
if (!(on->node.flags & OPT_ALIAS) &&
((fully && !(on->node.flags & OPT_SPECIAL)) ||
(on->node.flags & OPT_EMULATE)))
setemulate_opts[on->optno] = defset(on, setemulate_emulation);
}
/**/
void
installemulation(int new_emulation, char *new_opts)
{
setemulate_emulation = new_emulation;
setemulate_opts = new_opts;
scanhashtable(optiontab, 0, 0, 0, setemulate,
!!(new_emulation & EMULATE_FULLY));
}
/**/
void
emulate(const char *zsh_name, int fully, int *new_emulation, char *new_opts)
{
char ch = *zsh_name;
if (ch == 'r')
ch = zsh_name[1];
/* Work out the new emulation mode */
if (ch == 'c')
*new_emulation = EMULATE_CSH;
else if (ch == 'k')
*new_emulation = EMULATE_KSH;
else if (ch == 's' || ch == 'b')
*new_emulation = EMULATE_SH;
else
*new_emulation = EMULATE_ZSH;
if (fully)
*new_emulation |= EMULATE_FULLY;
installemulation(*new_emulation, new_opts);
if (funcstack && funcstack->tp == FS_FUNC) {
/*
* We are inside a function. Decide if it's traced.
* Pedantic note: the function in the function table isn't
* guaranteed to be what we're executing, but it's
* close enough.
*/
Shfunc shf = (Shfunc)shfunctab->getnode(shfunctab, funcstack->name);
if (shf && (shf->node.flags & (PM_TAGGED|PM_TAGGED_LOCAL))) {
/* Tracing is on, so set xtrace */
new_opts[XTRACE] = 1;
}
}
}
/* setopt, unsetopt */
/**/
static void
setoption(HashNode hn, int value)
{
dosetopt(((Optname) hn)->optno, value, 0, opts);
}
/**/
int
bin_setopt(char *nam, char **args, UNUSED(Options ops), int isun)
{
int action, optno, match = 0;
/* With no arguments or options, display options. */
if (!*args) {
scanhashtable(optiontab, 1, 0, OPT_ALIAS, optiontab->printnode, !isun);
return 0;
}
/* loop through command line options (begins with "-" or "+") */
while (*args && (**args == '-' || **args == '+')) {
action = (**args == '-') ^ isun;
if(!args[0][1])
*args = "--";
while (*++*args) {
if(**args == Meta)
*++*args ^= 32;
/* The pseudo-option `--' signifies the end of options. */
if (**args == '-') {
args++;
goto doneoptions;
} else if (**args == 'o') {
if (!*++*args)
args++;
if (!*args) {
zwarnnam(nam, "string expected after -o");
inittyptab();
return 1;
}
if(!(optno = optlookup(*args)))
zwarnnam(nam, "no such option: %s", *args);
else if(dosetopt(optno, action, 0, opts))
zwarnnam(nam, "can't change option: %s", *args);
break;
} else if(**args == 'm') {
match = 1;
} else {
if (!(optno = optlookupc(**args)))
zwarnnam(nam, "bad option: -%c", **args);
else if(dosetopt(optno, action, 0, opts))
zwarnnam(nam, "can't change option: -%c", **args);
}
}
args++;
}
doneoptions:
if (!match) {
/* Not globbing the arguments -- arguments are simply option names. */
while (*args) {
if(!(optno = optlookup(*args++)))
zwarnnam(nam, "no such option: %s", args[-1]);
else if(dosetopt(optno, !isun, 0, opts))
zwarnnam(nam, "can't change option: %s", args[-1]);
}
} else {
/* Globbing option (-m) set. */
while (*args) {
Patprog pprog;
char *s, *t;
t = s = dupstring(*args);
while (*t)
if (*t == '_')
chuck(t);
else {
/* See comment in optlookup() */
if (*t >= 'A' && *t <= 'Z')
*t = (*t - 'A') + 'a';
t++;
}
/* Expand the current arg. */
tokenize(s);
if (!(pprog = patcompile(s, PAT_STATIC, NULL))) {
zwarnnam(nam, "bad pattern: %s", *args);
continue;
}
/* Loop over expansions. */
scanmatchtable(optiontab, pprog, 0, 0, OPT_ALIAS,
setoption, !isun);
args++;
}
}
inittyptab();
return 0;
}
/* Identify an option name */
/**/
mod_export int
optlookup(char const *name)
{
char *s, *t;
Optname n;
s = t = dupstring(name);
/* exorcise underscores, and change to lowercase */
while (*t)
if (*t == '_')
chuck(t);
else {
/*
* Some locales (in particular tr_TR.UTF-8) may
* have non-standard mappings of ASCII characters,
* so be careful. Option names must be ASCII so
* we don't need to be too clever.
*/
if (*t >= 'A' && *t <= 'Z')
*t = (*t - 'A') + 'a';
t++;
}
/* look up name in the table */
if (s[0] == 'n' && s[1] == 'o' &&
(n = (Optname) optiontab->getnode(optiontab, s + 2))) {
return -n->optno;
} else if ((n = (Optname) optiontab->getnode(optiontab, s)))
return n->optno;
else
return OPT_INVALID;
}
/* Identify an option letter */
/**/
int
optlookupc(char c)
{
if(c < FIRST_OPT || c > LAST_OPT)
return 0;
return optletters[c - FIRST_OPT];
}
/**/
static void
restrictparam(char *nam)
{
Param pm = (Param) paramtab->getnode(paramtab, nam);
if (pm) {
pm->node.flags |= PM_SPECIAL | PM_RESTRICTED;
return;
}
createparam(nam, PM_SCALAR | PM_UNSET | PM_SPECIAL | PM_RESTRICTED);
}
/* list of restricted parameters which are not otherwise special */
static char *rparams[] = {
"SHELL", "HISTFILE", "LD_LIBRARY_PATH", "LD_AOUT_LIBRARY_PATH",
"LD_PRELOAD", "LD_AOUT_PRELOAD", NULL
};
/* Set or unset an option, as a result of user request. The option *
* number may be negative, indicating that the sense is reversed *
* from the usual meaning of the option. */
/**/
mod_export int
dosetopt(int optno, int value, int force, char *new_opts)
{
if(!optno)
return -1;
if(optno < 0) {
optno = -optno;
value = !value;
}
if (optno == RESTRICTED) {
if (isset(RESTRICTED))
return value ? 0 : -1;
if (value) {
char **s;
for (s = rparams; *s; s++)
restrictparam(*s);
}
} else if(!force && optno == EXECOPT && !value && interact) {
/* cannot set noexec when interactive */
return -1;
} else if(!force && (optno == INTERACTIVE || optno == SHINSTDIN ||
optno == SINGLECOMMAND)) {
if (new_opts[optno] == value)
return 0;
/* it is not permitted to change the value of these options */
return -1;
} else if(!force && optno == USEZLE && value) {
/* we require a terminal in order to use ZLE */
if(!interact || SHTTY == -1 || !shout)
return -1;
} else if(optno == PRIVILEGED && !value) {
/* unsetting PRIVILEGED causes the shell to make itself unprivileged */
#ifdef HAVE_SETUID
setuid(getuid());
setgid(getgid());
if (setuid(getuid())) {
zwarn("failed to change user ID: %e", errno);
return -1;
} else if (setgid(getgid())) {
zwarn("failed to change group ID: %e", errno);
return -1;
}
#else
zwarn("setuid not available");
return -1;
#endif /* not HAVE_SETUID */
#ifdef JOB_CONTROL
} else if (!force && optno == MONITOR && value) {
if (new_opts[optno] == value)
return 0;
if (SHTTY != -1) {
origpgrp = GETPGRP();
acquire_pgrp();
} else
return -1;
#else
} else if(optno == MONITOR && value) {
return -1;
#endif /* not JOB_CONTROL */
#ifdef GETPWNAM_FAKED
} else if(optno == CDABLEVARS && value) {
return -1;
#endif /* GETPWNAM_FAKED */
} else if ((optno == EMACSMODE || optno == VIMODE) && value) {
if (sticky && sticky->emulation)
return -1;
zleentry(ZLE_CMD_SET_KEYMAP, optno);
new_opts[(optno == EMACSMODE) ? VIMODE : EMACSMODE] = 0;
} else if (optno == SUNKEYBOARDHACK) {
/* for backward compatibility */
keyboardhackchar = (value ? '`' : '\0');
}
new_opts[optno] = value;
if (optno == BANGHIST || optno == SHINSTDIN)
inittyptab();
return 0;
}
/* Function to get value for special parameter `-' */
/**/
char *
dashgetfn(UNUSED(Param pm))
{
static char buf[LAST_OPT - FIRST_OPT + 2];
char *val = buf;
int i;
for(i = 0; i <= LAST_OPT - FIRST_OPT; i++) {
int optno = optletters[i];
if(optno && ((optno > 0) ? isset(optno) : unset(-optno)))
*val++ = FIRST_OPT + i;
}
*val = '\0';
return buf;
}
/* print options for set -o/+o */
/**/
void
printoptionstates(int hadplus)
{
scanhashtable(optiontab, 1, 0, OPT_ALIAS, printoptionnodestate, hadplus);
}
/**/
static void
printoptionnodestate(HashNode hn, int hadplus)
{
Optname on = (Optname) hn;
int optno = on->optno;
if (hadplus) {
printf("set %co %s%s\n",
defset(on, emulation) != isset(optno) ? '-' : '+',
defset(on, emulation) ? "no" : "",
on->node.nam);
} else {
if (defset(on, emulation))
printf("no%-19s %s\n", on->node.nam, isset(optno) ? "off" : "on");
else
printf("%-21s %s\n", on->node.nam, isset(optno) ? "on" : "off");
}
}
/* Print option list for --help */
/**/
void
printoptionlist(void)
{
short *lp;
char c;
printf("\nNamed options:\n");
scanhashtable(optiontab, 1, 0, OPT_ALIAS, printoptionlist_printoption, 0);
printf("\nOption aliases:\n");
scanhashtable(optiontab, 1, OPT_ALIAS, 0, printoptionlist_printoption, 0);
printf("\nOption letters:\n");
for(lp = optletters, c = FIRST_OPT; c <= LAST_OPT; lp++, c++) {
if(!*lp)
continue;
printf(" -%c ", c);
printoptionlist_printequiv(*lp);
}
}
/**/
static void
printoptionlist_printoption(HashNode hn, UNUSED(int ignored))
{
Optname on = (Optname) hn;
if(on->node.flags & OPT_ALIAS) {
printf(" --%-19s ", on->node.nam);
printoptionlist_printequiv(on->optno);
} else
printf(" --%s\n", on->node.nam);
}
/**/
static void
printoptionlist_printequiv(int optno)
{
int isneg = optno < 0;
optno *= (isneg ? -1 : 1);
printf(" equivalent to --%s%s\n", isneg ? "no-" : "", optns[optno-1].node.nam);
}
/**/
static char *print_emulate_opts;
/**/
static void
print_emulate_option(HashNode hn, int fully)
{
Optname on = (Optname) hn;
if (!(on->node.flags & OPT_ALIAS) &&
((fully && !(on->node.flags & OPT_SPECIAL)) ||
(on->node.flags & OPT_EMULATE)))
{
if (!print_emulate_opts[on->optno])
fputs("no", stdout);
puts(on->node.nam);
}
}
/*
* List the settings of options associated with an emulation
*/
/**/
void list_emulate_options(char *cmdopts, int fully)
{
print_emulate_opts = cmdopts;
scanhashtable(optiontab, 1, 0, 0, print_emulate_option, fully);
}
|