gram.y revision 1.8
1 %{ 2 /* $NetBSD: gram.y,v 1.8 2006/08/26 18:17:13 christos Exp $ */ 3 4 /* 5 * Copyright (c) 1992, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This software was developed by the Computer Systems Engineering group 9 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 10 * contributed to Berkeley. 11 * 12 * All advertising materials mentioning features or use of this software 13 * must display the following acknowledgement: 14 * This product includes software developed by the University of 15 * California, Lawrence Berkeley Laboratories. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions 19 * are met: 20 * 1. Redistributions of source code must retain the above copyright 21 * notice, this list of conditions and the following disclaimer. 22 * 2. Redistributions in binary form must reproduce the above copyright 23 * notice, this list of conditions and the following disclaimer in the 24 * documentation and/or other materials provided with the distribution. 25 * 3. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * from: @(#)gram.y 8.1 (Berkeley) 6/6/93 42 */ 43 44 #include <sys/types.h> 45 #include <sys/param.h> 46 #include <ctype.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <errno.h> 51 #include "defs.h" 52 #include "sem.h" 53 54 #define FORMAT(n) (((n).fmt == 8 && (n).val != 0) ? "0%llo" : \ 55 ((n).fmt == 16) ? "0x%llx" : "%lld") 56 57 #define stop(s) error(s), exit(1) 58 59 static struct config conf; /* at most one active at a time */ 60 61 /* the following is used to recover nvlist space after errors */ 62 static struct nvlist *alloc[1000]; 63 static int adepth; 64 #define new0(n,s,p,i,x) (alloc[adepth++] = newnv(n, s, p, i, x)) 65 #define new_n(n) new0(n, NULL, NULL, 0, NULL) 66 #define new_nx(n, x) new0(n, NULL, NULL, 0, x) 67 #define new_ns(n, s) new0(n, s, NULL, 0, NULL) 68 #define new_si(s, i) new0(NULL, s, NULL, i, NULL) 69 #define new_nsi(n,s,i) new0(n, s, NULL, i, NULL) 70 #define new_np(n, p) new0(n, NULL, p, 0, NULL) 71 #define new_s(s) new0(NULL, s, NULL, 0, NULL) 72 #define new_p(p) new0(NULL, NULL, p, 0, NULL) 73 #define new_px(p, x) new0(NULL, NULL, p, 0, x) 74 #define new_sx(s, x) new0(NULL, s, NULL, 0, x) 75 76 #define fx_atom(s) new0(s, NULL, NULL, FX_ATOM, NULL) 77 #define fx_not(e) new0(NULL, NULL, NULL, FX_NOT, e) 78 #define fx_and(e1, e2) new0(NULL, NULL, e1, FX_AND, e2) 79 #define fx_or(e1, e2) new0(NULL, NULL, e1, FX_OR, e2) 80 81 static void cleanup(void); 82 static void setmachine(const char *, const char *, struct nvlist *); 83 static void check_maxpart(void); 84 85 static void app(struct nvlist *, struct nvlist *); 86 87 static struct nvlist *mk_nsis(const char *, int, struct nvlist *, int); 88 static struct nvlist *mk_ns(const char *, struct nvlist *); 89 90 %} 91 92 %union { 93 struct attr *attr; 94 struct devbase *devb; 95 struct deva *deva; 96 struct nvlist *list; 97 const char *str; 98 struct numconst num; 99 int64_t val; 100 } 101 102 %token AND AT ATTACH 103 %token BLOCK BUILD 104 %token CHAR COMPILE_WITH CONFIG 105 %token DEFFS DEFINE DEFOPT DEFPARAM DEFFLAG DEFPSEUDO DEVICE DEVCLASS DUMPS 106 %token DEVICE_MAJOR 107 %token ENDFILE 108 %token XFILE FILE_SYSTEM FLAGS 109 %token IDENT 110 %token XMACHINE MAJOR MAKEOPTIONS MAXUSERS MAXPARTITIONS MINOR 111 %token NEEDS_COUNT NEEDS_FLAG NO 112 %token XOBJECT OBSOLETE ON OPTIONS 113 %token PACKAGE PLUSEQ PREFIX PSEUDO_DEVICE 114 %token ROOT 115 %token SOURCE 116 %token TYPE 117 %token VERSION 118 %token WITH 119 %token <num> NUMBER 120 %token <str> PATHNAME QSTRING WORD EMPTYSTRING 121 %token ENDDEFS 122 123 %left '|' 124 %left '&' 125 126 %type <list> fopts fexpr fatom 127 %type <str> fs_spec 128 %type <val> fflgs fflag oflgs oflag 129 %type <str> rule 130 %type <attr> attr 131 %type <devb> devbase 132 %type <deva> devattach_opt 133 %type <list> atlist interface_opt 134 %type <str> atname 135 %type <list> loclist_opt loclist locdef 136 %type <str> locdefault 137 %type <list> values locdefaults 138 %type <list> attrs_opt attrs 139 %type <list> locators locator 140 %type <list> dev_spec 141 %type <str> device_instance 142 %type <str> attachment 143 %type <str> value 144 %type <val> major_minor npseudo 145 %type <num> signed_number 146 %type <val> flags_opt 147 %type <str> deffs 148 %type <list> deffses 149 %type <str> fsoptfile_opt 150 %type <str> defopt 151 %type <list> defopts 152 %type <str> optdep 153 %type <list> optdeps 154 %type <list> defoptdeps 155 %type <str> optfile_opt 156 %type <list> subarches_opt subarches 157 %type <str> filename stringvalue locname mkvarname 158 %type <val> device_major_block device_major_char 159 160 %% 161 162 /* 163 * A configuration consists of a machine type, followed by the machine 164 * definition files (via the include() mechanism), followed by the 165 * configuration specification(s) proper. In effect, this is two 166 * separate grammars, with some shared terminals and nonterminals. 167 * Note that we do not have sufficient keywords to enforce any order 168 * between elements of "topthings" without introducing shift/reduce 169 * conflicts. Instead, check order requirements in the C code. 170 */ 171 Configuration: 172 topthings /* dirspecs, include "std.arch" */ 173 machine_spec /* "machine foo" from machine descr. */ 174 dev_defs ENDDEFS /* all machine definition files */ 175 { check_maxpart(); check_version(); } 176 specs; /* rest of machine description */ 177 178 topthings: 179 topthings topthing | 180 /* empty */; 181 182 topthing: 183 SOURCE filename '\n' { if (!srcdir) srcdir = $2; } | 184 BUILD filename '\n' { if (!builddir) builddir = $2; } | 185 '\n'; 186 187 machine_spec: 188 XMACHINE WORD '\n' { setmachine($2,NULL,NULL); } | 189 XMACHINE WORD WORD subarches_opt '\n' { setmachine($2,$3,$4); } | 190 error { stop("cannot proceed without machine specifier"); }; 191 192 subarches_opt: 193 subarches | 194 /* empty */ { $$ = NULL; }; 195 196 subarches: 197 subarches WORD { $$ = new_nx($2, $1); } | 198 WORD { $$ = new_n($1); }; 199 200 /* 201 * Various nonterminals shared between the grammars. 202 */ 203 file: 204 XFILE filename fopts fflgs rule { addfile($2, $3, $4, $5); }; 205 206 object: 207 XOBJECT filename fopts oflgs { addobject($2, $3, $4); }; 208 209 device_major: 210 DEVICE_MAJOR WORD device_major_char device_major_block fopts 211 { adddevm($2, $3, $4, $5); }; 212 213 device_major_block: 214 BLOCK NUMBER { $$ = $2.val; } | 215 /* empty */ { $$ = -1; }; 216 217 device_major_char: 218 CHAR NUMBER { $$ = $2.val; } | 219 /* empty */ { $$ = -1; }; 220 221 /* order of options is important, must use right recursion */ 222 fopts: 223 fexpr { $$ = $1; } | 224 /* empty */ { $$ = NULL; }; 225 226 fexpr: 227 fatom { $$ = $1; } | 228 '!' fatom { $$ = fx_not($2); } | 229 fexpr '&' fexpr { $$ = fx_and($1, $3); } | 230 fexpr '|' fexpr { $$ = fx_or($1, $3); } | 231 '(' fexpr ')' { $$ = $2; }; 232 233 fatom: 234 WORD { $$ = fx_atom($1); }; 235 236 fflgs: 237 fflgs fflag { $$ = $1 | $2; } | 238 /* empty */ { $$ = 0; }; 239 240 fflag: 241 NEEDS_COUNT { $$ = FI_NEEDSCOUNT; } | 242 NEEDS_FLAG { $$ = FI_NEEDSFLAG; }; 243 244 oflgs: 245 oflgs oflag { $$ = $1 | $2; } | 246 /* empty */ { $$ = 0; }; 247 248 oflag: 249 NEEDS_FLAG { $$ = OI_NEEDSFLAG; }; 250 251 rule: 252 COMPILE_WITH stringvalue { $$ = $2; } | 253 /* empty */ { $$ = NULL; }; 254 255 prefix: 256 PREFIX filename { prefix_push($2); } | 257 PREFIX { prefix_pop(); }; 258 259 /* 260 * The machine definitions grammar. 261 */ 262 dev_defs: 263 dev_defs dev_def | 264 dev_defs ENDFILE { enddefs(); checkfiles(); } | 265 /* empty */; 266 267 dev_def: 268 one_def '\n' { adepth = 0; } | 269 '\n' | 270 error '\n' { cleanup(); }; 271 272 one_def: 273 file | 274 object | 275 device_major { do_devsw = 1; } | 276 prefix | 277 DEVCLASS WORD { (void)defattr($2, NULL, NULL, 1); } | 278 DEFFS fsoptfile_opt deffses { deffilesystem($2, $3); } | 279 DEFINE WORD interface_opt attrs_opt 280 { (void)defattr($2, $3, $4, 0); } | 281 DEFOPT optfile_opt defopts defoptdeps 282 { defoption($2, $3, $4); } | 283 DEFFLAG optfile_opt defopts defoptdeps 284 { defflag($2, $3, $4, 0); } | 285 OBSOLETE DEFFLAG optfile_opt defopts 286 { defflag($3, $4, NULL, 1); } | 287 DEFPARAM optfile_opt defopts defoptdeps 288 { defparam($2, $3, $4, 0); } | 289 OBSOLETE DEFPARAM optfile_opt defopts 290 { defparam($3, $4, NULL, 1); } | 291 DEVICE devbase interface_opt attrs_opt 292 { defdev($2, $3, $4, 0); } | 293 ATTACH devbase AT atlist devattach_opt attrs_opt 294 { defdevattach($5, $2, $4, $6); } | 295 MAXPARTITIONS NUMBER { maxpartitions = $2.val; } | 296 MAXUSERS NUMBER NUMBER NUMBER { setdefmaxusers($2.val, $3.val, $4.val); } | 297 MAKEOPTIONS condmkopt_list | 298 DEFPSEUDO devbase interface_opt attrs_opt 299 { defdev($2, $3, $4, 1); } | 300 MAJOR '{' majorlist '}' | 301 VERSION NUMBER { setversion($2.val); }; 302 303 atlist: 304 atlist ',' atname { $$ = new_nx($3, $1); } | 305 atname { $$ = new_n($1); }; 306 307 atname: 308 WORD { $$ = $1; } | 309 ROOT { $$ = NULL; }; 310 311 deffses: 312 deffses deffs { $$ = new_nx($2, $1); } | 313 deffs { $$ = new_n($1); }; 314 315 deffs: 316 WORD { $$ = $1; }; 317 318 defoptdeps: 319 ':' optdeps { $$ = $2; } | 320 /* empty */ { $$ = NULL; }; 321 322 optdeps: 323 optdeps ',' optdep { $$ = new_nx($3, $1); } | 324 optdep { $$ = new_n($1); }; 325 326 optdep: 327 WORD { $$ = $1; }; 328 329 defopts: 330 defopts defopt { $$ = new_nx($2, $1); } | 331 defopt { $$ = new_n($1); }; 332 333 defopt: 334 WORD { $$ = $1; }; 335 336 devbase: 337 WORD { $$ = getdevbase($1); }; 338 339 devattach_opt: 340 WITH WORD { $$ = getdevattach($2); } | 341 /* empty */ { $$ = NULL; }; 342 343 interface_opt: 344 '{' loclist_opt '}' { $$ = new_nx("", $2); } | 345 /* empty */ { $$ = NULL; }; 346 347 loclist_opt: 348 loclist { $$ = $1; } | 349 /* empty */ { $$ = NULL; }; 350 351 /* loclist order matters, must use right recursion */ 352 loclist: 353 locdef ',' loclist { $$ = $1; app($1, $3); } | 354 locdef { $$ = $1; }; 355 356 /* "[ WORD locdefault ]" syntax may be unnecessary... */ 357 locdef: 358 locname locdefault { $$ = new_nsi($1, $2, 0); } | 359 locname { $$ = new_nsi($1, NULL, 0); } | 360 '[' locname locdefault ']' { $$ = new_nsi($2, $3, 1); } | 361 locname '[' NUMBER ']' { $$ = mk_nsis($1, $3.val, NULL, 0); } | 362 locname '[' NUMBER ']' locdefaults 363 { $$ = mk_nsis($1, $3.val, $5, 0); } | 364 '[' locname '[' NUMBER ']' locdefaults ']' 365 { $$ = mk_nsis($2, $4.val, $6, 1); }; 366 367 locname: 368 WORD { $$ = $1; } | 369 QSTRING { $$ = $1; }; 370 371 locdefault: 372 '=' value { $$ = $2; }; 373 374 locdefaults: 375 '=' '{' values '}' { $$ = $3; }; 376 377 fsoptfile_opt: 378 filename { $$ = $1; } | 379 /* empty */ { $$ = NULL; }; 380 381 optfile_opt: 382 filename { $$ = $1; } | 383 /* empty */ { $$ = NULL; }; 384 385 filename: 386 QSTRING { $$ = $1; } | 387 PATHNAME { $$ = $1; }; 388 389 value: 390 QSTRING { $$ = $1; } | 391 WORD { $$ = $1; } | 392 EMPTYSTRING { $$ = $1; } | 393 signed_number { char bf[40]; 394 (void)snprintf(bf, sizeof(bf), 395 FORMAT($1), (long long)$1.val); 396 $$ = intern(bf); }; 397 398 stringvalue: 399 QSTRING { $$ = $1; } | 400 WORD { $$ = $1; }; 401 402 values: 403 value ',' values { $$ = new_sx($1, $3); } | 404 value { $$ = new_s($1); }; 405 406 signed_number: 407 NUMBER { $$ = $1; } | 408 '-' NUMBER { $$.fmt = $2.fmt; $$.val = -$2.val; }; 409 410 attrs_opt: 411 ':' attrs { $$ = $2; } | 412 /* empty */ { $$ = NULL; }; 413 414 attrs: 415 attrs ',' attr { $$ = new_px($3, $1); } | 416 attr { $$ = new_p($1); }; 417 418 attr: 419 WORD { $$ = getattr($1); }; 420 421 majorlist: 422 majorlist ',' majordef | 423 majordef; 424 425 majordef: 426 devbase '=' NUMBER { setmajor($1, $3.val); }; 427 428 429 /* 430 * The configuration grammar. 431 */ 432 specs: 433 specs spec | 434 /* empty */; 435 436 spec: 437 config_spec '\n' { adepth = 0; } | 438 '\n' | 439 error '\n' { cleanup(); }; 440 441 config_spec: 442 one_def | 443 NO FILE_SYSTEM no_fs_list | 444 FILE_SYSTEM fs_list | 445 NO MAKEOPTIONS no_mkopt_list | 446 MAKEOPTIONS mkopt_list | 447 NO OPTIONS no_opt_list | 448 OPTIONS opt_list | 449 MAXUSERS NUMBER { setmaxusers($2.val); } | 450 IDENT stringvalue { setident($2); } | 451 CONFIG conf root_spec sysparam_list 452 { addconf(&conf); } | 453 NO CONFIG WORD { delconf($3); } | 454 NO PSEUDO_DEVICE WORD { delpseudo($3); } | 455 PSEUDO_DEVICE WORD npseudo { addpseudo($2, $3); } | 456 NO device_instance AT attachment 457 { deldevi($2, $4); } | 458 NO DEVICE AT attachment { deldeva($4); } | 459 NO device_instance { deldev($2); } | 460 device_instance AT attachment locators flags_opt 461 { adddev($1, $3, $4, $5); }; 462 463 fs_list: 464 fs_list ',' fsoption | 465 fsoption; 466 467 fsoption: 468 WORD { addfsoption($1); }; 469 470 no_fs_list: 471 no_fs_list ',' no_fsoption | 472 no_fsoption; 473 474 no_fsoption: 475 WORD { delfsoption($1); }; 476 477 mkopt_list: 478 mkopt_list ',' mkoption | 479 mkoption; 480 481 mkvarname: 482 QSTRING { $$ = $1; } | 483 WORD { $$ = $1; }; 484 485 mkoption: 486 mkvarname '=' value { addmkoption($1, $3); } | 487 mkvarname PLUSEQ value { appendmkoption($1, $3); }; 488 489 condmkopt_list: 490 condmkopt_list ',' condmkoption | 491 condmkoption; 492 493 condmkoption: 494 WORD mkvarname PLUSEQ value { appendcondmkoption($1, $2, $4); }; 495 496 no_mkopt_list: 497 no_mkopt_list ',' no_mkoption | 498 no_mkoption; 499 500 no_mkoption: 501 WORD { delmkoption($1); } 502 503 opt_list: 504 opt_list ',' option | 505 option; 506 507 option: 508 WORD { addoption($1, NULL); } | 509 WORD '=' value { addoption($1, $3); }; 510 511 no_opt_list: 512 no_opt_list ',' no_option | 513 no_option; 514 515 no_option: 516 WORD { deloption($1); }; 517 518 conf: 519 WORD { conf.cf_name = $1; 520 conf.cf_lineno = currentline(); 521 conf.cf_fstype = NULL; 522 conf.cf_root = NULL; 523 conf.cf_dump = NULL; }; 524 525 root_spec: 526 ROOT on_opt dev_spec fs_spec_opt 527 { setconf(&conf.cf_root, "root", $3); }; 528 529 fs_spec_opt: 530 TYPE fs_spec { setfstype(&conf.cf_fstype, $2); } | 531 /* empty */; 532 533 fs_spec: 534 '?' { $$ = intern("?"); } | 535 WORD { $$ = $1; }; 536 537 sysparam_list: 538 sysparam_list sysparam | 539 /* empty */; 540 541 sysparam: 542 DUMPS on_opt dev_spec { setconf(&conf.cf_dump, "dumps", $3); }; 543 544 dev_spec: 545 '?' { $$ = new_si(intern("?"), NODEV); } | 546 WORD { $$ = new_si($1, NODEV); } | 547 major_minor { $$ = new_si(NULL, $1); }; 548 549 major_minor: 550 MAJOR NUMBER MINOR NUMBER { $$ = makedev($2.val, $4.val); }; 551 552 on_opt: 553 ON | /* empty */; 554 555 npseudo: 556 NUMBER { $$ = $1.val; } | 557 /* empty */ { $$ = 1; }; 558 559 device_instance: 560 WORD '*' { $$ = starref($1); } | 561 WORD { $$ = $1; }; 562 563 attachment: 564 ROOT { $$ = NULL; } | 565 WORD '?' { $$ = wildref($1); } | 566 WORD { $$ = $1; }; 567 568 locators: 569 locators locator { $$ = $2; app($2, $1); } | 570 /* empty */ { $$ = NULL; }; 571 572 locator: 573 WORD values { $$ = mk_ns($1, $2); } | 574 WORD '?' { $$ = new_ns($1, NULL); }; 575 576 flags_opt: 577 FLAGS NUMBER { $$ = $2.val; } | 578 /* empty */ { $$ = 0; }; 579 580 %% 581 582 void 583 yyerror(const char *s) 584 { 585 586 error("%s", s); 587 } 588 589 /* 590 * Cleanup procedure after syntax error: release any nvlists 591 * allocated during parsing the current line. 592 */ 593 static void 594 cleanup(void) 595 { 596 struct nvlist **np; 597 int i; 598 599 for (np = alloc, i = adepth; --i >= 0; np++) 600 nvfree(*np); 601 adepth = 0; 602 } 603 604 static void 605 setmachine(const char *mch, const char *mcharch, struct nvlist *mchsubarches) 606 { 607 char buf[MAXPATHLEN]; 608 struct nvlist *nv; 609 610 machine = mch; 611 machinearch = mcharch; 612 machinesubarches = mchsubarches; 613 614 /* 615 * Set up the file inclusion stack. This empty include tells 616 * the parser there are no more device definitions coming. 617 */ 618 strlcpy(buf, _PATH_DEVNULL, sizeof(buf)); 619 if (include(buf, ENDDEFS, 0, 0) != 0) 620 exit(1); 621 622 /* Include arch/${MACHINE}/conf/files.${MACHINE} */ 623 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s", 624 machine, machine); 625 if (include(buf, ENDFILE, 0, 0) != 0) 626 exit(1); 627 628 /* Include any arch/${MACHINE_SUBARCH}/conf/files.${MACHINE_SUBARCH} */ 629 for (nv = machinesubarches; nv != NULL; nv = nv->nv_next) { 630 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s", 631 nv->nv_name, nv->nv_name); 632 if (include(buf, ENDFILE, 0, 0) != 0) 633 exit(1); 634 } 635 636 /* Include any arch/${MACHINE_ARCH}/conf/files.${MACHINE_ARCH} */ 637 if (machinearch != NULL) 638 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s", 639 machinearch, machinearch); 640 else 641 strlcpy(buf, _PATH_DEVNULL, sizeof(buf)); 642 if (include(buf, ENDFILE, 0, 0) != 0) 643 exit(1); 644 645 /* 646 * Include the global conf/files. As the last thing 647 * pushed on the stack, it will be processed first. 648 */ 649 if (include("conf/files", ENDFILE, 0, 0) != 0) 650 exit(1); 651 652 oktopackage = 1; 653 } 654 655 static void 656 check_maxpart(void) 657 { 658 659 if (maxpartitions <= 0) { 660 stop("cannot proceed without maxpartitions specifier"); 661 } 662 } 663 664 static void 665 check_version(void) 666 { 667 /* 668 * In essence, version is 0 and is not supported anymore 669 */ 670 if (version < CONFIG_MINVERSION) 671 stop("your sources are out of date -- please update."); 672 } 673 674 static void 675 app(struct nvlist *p, struct nvlist *q) 676 { 677 while (p->nv_next) 678 p = p->nv_next; 679 p->nv_next = q; 680 } 681 682 static struct nvlist * 683 mk_nsis(const char *name, int count, struct nvlist *adefs, int opt) 684 { 685 struct nvlist *defs = adefs; 686 struct nvlist **p; 687 char buf[200]; 688 int i; 689 690 if (count <= 0) { 691 fprintf(stderr, "config: array with <= 0 size: %s\n", name); 692 exit(1); 693 } 694 p = &defs; 695 for(i = 0; i < count; i++) { 696 if (*p == NULL) 697 *p = new_s("0"); 698 snprintf(buf, sizeof(buf), "%s%c%d", name, ARRCHR, i); 699 (*p)->nv_name = i == 0 ? name : intern(buf); 700 (*p)->nv_int = i > 0 || opt; 701 p = &(*p)->nv_next; 702 } 703 *p = 0; 704 return defs; 705 } 706 707 708 static struct nvlist * 709 mk_ns(const char *name, struct nvlist *vals) 710 { 711 struct nvlist *p; 712 char buf[200]; 713 int i; 714 715 for(i = 0, p = vals; p; i++, p = p->nv_next) { 716 snprintf(buf, sizeof(buf), "%s%c%d", name, ARRCHR, i); 717 p->nv_name = i == 0 ? name : intern(buf); 718 } 719 return vals; 720 } 721 722
Indexes created Thu Oct 02 07:10:07 GMT 2025