gram.y revision 1.4
1 %{ 2 /* $NetBSD: gram.y,v 1.4 2005/10/12 01:17:43 cube 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 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 EMPTY 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); } | 285 DEFPARAM optfile_opt defopts defoptdeps 286 { defparam($2, $3, $4); } | 287 DEVICE devbase interface_opt attrs_opt 288 { defdev($2, $3, $4, 0); } | 289 ATTACH devbase AT atlist devattach_opt attrs_opt 290 { defdevattach($5, $2, $4, $6); } | 291 MAXPARTITIONS NUMBER { maxpartitions = $2.val; } | 292 MAXUSERS NUMBER NUMBER NUMBER { setdefmaxusers($2.val, $3.val, $4.val); } | 293 MAKEOPTIONS condmkopt_list | 294 DEFPSEUDO devbase interface_opt attrs_opt 295 { defdev($2, $3, $4, 1); } | 296 MAJOR '{' majorlist '}' | 297 VERSION NUMBER { setversion($2.val); }; 298 299 atlist: 300 atlist ',' atname { $$ = new_nx($3, $1); } | 301 atname { $$ = new_n($1); }; 302 303 atname: 304 WORD { $$ = $1; } | 305 ROOT { $$ = NULL; }; 306 307 deffses: 308 deffses deffs { $$ = new_nx($2, $1); } | 309 deffs { $$ = new_n($1); }; 310 311 deffs: 312 WORD { $$ = $1; }; 313 314 defoptdeps: 315 ':' optdeps { $$ = $2; } | 316 /* empty */ { $$ = NULL; }; 317 318 optdeps: 319 optdeps ',' optdep { $$ = new_nx($3, $1); } | 320 optdep { $$ = new_n($1); }; 321 322 optdep: 323 WORD { $$ = $1; }; 324 325 defopts: 326 defopts defopt { $$ = new_nx($2, $1); } | 327 defopt { $$ = new_n($1); }; 328 329 defopt: 330 WORD { $$ = $1; }; 331 332 devbase: 333 WORD { $$ = getdevbase($1); }; 334 335 devattach_opt: 336 WITH WORD { $$ = getdevattach($2); } | 337 /* empty */ { $$ = NULL; }; 338 339 interface_opt: 340 '{' loclist_opt '}' { $$ = new_nx("", $2); } | 341 /* empty */ { $$ = NULL; }; 342 343 loclist_opt: 344 loclist { $$ = $1; } | 345 /* empty */ { $$ = NULL; }; 346 347 /* loclist order matters, must use right recursion */ 348 loclist: 349 locdef ',' loclist { $$ = $1; app($1, $3); } | 350 locdef { $$ = $1; }; 351 352 /* "[ WORD locdefault ]" syntax may be unnecessary... */ 353 locdef: 354 locname locdefault { $$ = new_nsi($1, $2, 0); } | 355 locname { $$ = new_nsi($1, NULL, 0); } | 356 '[' locname locdefault ']' { $$ = new_nsi($2, $3, 1); } | 357 locname '[' NUMBER ']' { $$ = mk_nsis($1, $3.val, NULL, 0); } | 358 locname '[' NUMBER ']' locdefaults 359 { $$ = mk_nsis($1, $3.val, $5, 0); } | 360 '[' locname '[' NUMBER ']' locdefaults ']' 361 { $$ = mk_nsis($2, $4.val, $6, 1); }; 362 363 locname: 364 WORD { $$ = $1; } | 365 QSTRING { $$ = $1; }; 366 367 locdefault: 368 '=' value { $$ = $2; }; 369 370 locdefaults: 371 '=' '{' values '}' { $$ = $3; }; 372 373 fsoptfile_opt: 374 filename { $$ = $1; } | 375 /* empty */ { $$ = NULL; }; 376 377 optfile_opt: 378 filename { $$ = $1; } | 379 /* empty */ { $$ = NULL; }; 380 381 filename: 382 QSTRING { $$ = $1; } | 383 PATHNAME { $$ = $1; }; 384 385 value: 386 QSTRING { $$ = $1; } | 387 WORD { $$ = $1; } | 388 EMPTY { $$ = $1; } | 389 signed_number { char bf[40]; 390 (void)snprintf(bf, sizeof(bf), 391 FORMAT($1), (long long)$1.val); 392 $$ = intern(bf); }; 393 394 stringvalue: 395 QSTRING { $$ = $1; } | 396 WORD { $$ = $1; }; 397 398 values: 399 value ',' values { $$ = new_sx($1, $3); } | 400 value { $$ = new_s($1); }; 401 402 signed_number: 403 NUMBER { $$ = $1; } | 404 '-' NUMBER { $$.fmt = $2.fmt; $$.val = -$2.val; }; 405 406 attrs_opt: 407 ':' attrs { $$ = $2; } | 408 /* empty */ { $$ = NULL; }; 409 410 attrs: 411 attrs ',' attr { $$ = new_px($3, $1); } | 412 attr { $$ = new_p($1); }; 413 414 attr: 415 WORD { $$ = getattr($1); }; 416 417 majorlist: 418 majorlist ',' majordef | 419 majordef; 420 421 majordef: 422 devbase '=' NUMBER { setmajor($1, $3.val); }; 423 424 425 /* 426 * The configuration grammar. 427 */ 428 specs: 429 specs spec | 430 /* empty */; 431 432 spec: 433 config_spec '\n' { adepth = 0; } | 434 '\n' | 435 error '\n' { cleanup(); }; 436 437 config_spec: 438 one_def | 439 NO FILE_SYSTEM no_fs_list | 440 FILE_SYSTEM fs_list | 441 NO MAKEOPTIONS no_mkopt_list | 442 MAKEOPTIONS mkopt_list | 443 NO OPTIONS no_opt_list | 444 OPTIONS opt_list | 445 MAXUSERS NUMBER { setmaxusers($2.val); } | 446 IDENT stringvalue { setident($2); } | 447 CONFIG conf root_spec sysparam_list 448 { addconf(&conf); } | 449 NO PSEUDO_DEVICE WORD { delpseudo($3); } | 450 PSEUDO_DEVICE WORD npseudo { addpseudo($2, $3); } | 451 NO device_instance AT attachment 452 { deldevi($2, $4); } | 453 NO DEVICE AT attachment { deldeva($4); } | 454 NO device_instance { deldev($2); } | 455 device_instance AT attachment locators flags_opt 456 { adddev($1, $3, $4, $5); }; 457 458 fs_list: 459 fs_list ',' fsoption | 460 fsoption; 461 462 fsoption: 463 WORD { addfsoption($1); }; 464 465 no_fs_list: 466 no_fs_list ',' no_fsoption | 467 no_fsoption; 468 469 no_fsoption: 470 WORD { delfsoption($1); }; 471 472 mkopt_list: 473 mkopt_list ',' mkoption | 474 mkoption; 475 476 mkvarname: 477 QSTRING { $$ = $1; } | 478 WORD { $$ = $1; }; 479 480 mkoption: 481 mkvarname '=' value { addmkoption($1, $3); } | 482 mkvarname PLUSEQ value { appendmkoption($1, $3); }; 483 484 condmkopt_list: 485 condmkopt_list ',' condmkoption | 486 condmkoption; 487 488 condmkoption: 489 WORD mkvarname PLUSEQ value { appendcondmkoption($1, $2, $4); }; 490 491 no_mkopt_list: 492 no_mkopt_list ',' no_mkoption | 493 no_mkoption; 494 495 no_mkoption: 496 WORD { delmkoption($1); } 497 498 opt_list: 499 opt_list ',' option | 500 option; 501 502 option: 503 WORD { addoption($1, NULL); } | 504 WORD '=' value { addoption($1, $3); }; 505 506 no_opt_list: 507 no_opt_list ',' no_option | 508 no_option; 509 510 no_option: 511 WORD { deloption($1); }; 512 513 conf: 514 WORD { conf.cf_name = $1; 515 conf.cf_lineno = currentline(); 516 conf.cf_fstype = NULL; 517 conf.cf_root = NULL; 518 conf.cf_dump = NULL; }; 519 520 root_spec: 521 ROOT on_opt dev_spec fs_spec_opt 522 { setconf(&conf.cf_root, "root", $3); }; 523 524 fs_spec_opt: 525 TYPE fs_spec { setfstype(&conf.cf_fstype, $2); } | 526 /* empty */; 527 528 fs_spec: 529 '?' { $$ = intern("?"); } | 530 WORD { $$ = $1; }; 531 532 sysparam_list: 533 sysparam_list sysparam | 534 /* empty */; 535 536 sysparam: 537 DUMPS on_opt dev_spec { setconf(&conf.cf_dump, "dumps", $3); }; 538 539 dev_spec: 540 '?' { $$ = new_si(intern("?"), NODEV); } | 541 WORD { $$ = new_si($1, NODEV); } | 542 major_minor { $$ = new_si(NULL, $1); }; 543 544 major_minor: 545 MAJOR NUMBER MINOR NUMBER { $$ = makedev($2.val, $4.val); }; 546 547 on_opt: 548 ON | /* empty */; 549 550 npseudo: 551 NUMBER { $$ = $1.val; } | 552 /* empty */ { $$ = 1; }; 553 554 device_instance: 555 WORD '*' { $$ = starref($1); } | 556 WORD { $$ = $1; }; 557 558 attachment: 559 ROOT { $$ = NULL; } | 560 WORD '?' { $$ = wildref($1); } | 561 WORD { $$ = $1; }; 562 563 locators: 564 locators locator { $$ = $2; app($2, $1); } | 565 /* empty */ { $$ = NULL; }; 566 567 locator: 568 WORD values { $$ = mk_ns($1, $2); } | 569 WORD '?' { $$ = new_ns($1, NULL); }; 570 571 flags_opt: 572 FLAGS NUMBER { $$ = $2.val; } | 573 /* empty */ { $$ = 0; }; 574 575 %% 576 577 void 578 yyerror(const char *s) 579 { 580 581 error("%s", s); 582 } 583 584 /* 585 * Cleanup procedure after syntax error: release any nvlists 586 * allocated during parsing the current line. 587 */ 588 static void 589 cleanup(void) 590 { 591 struct nvlist **np; 592 int i; 593 594 for (np = alloc, i = adepth; --i >= 0; np++) 595 nvfree(*np); 596 adepth = 0; 597 } 598 599 static void 600 setmachine(const char *mch, const char *mcharch, struct nvlist *mchsubarches) 601 { 602 char buf[MAXPATHLEN]; 603 struct nvlist *nv; 604 605 machine = mch; 606 machinearch = mcharch; 607 machinesubarches = mchsubarches; 608 609 /* 610 * Set up the file inclusion stack. This empty include tells 611 * the parser there are no more device definitions coming. 612 */ 613 strlcpy(buf, _PATH_DEVNULL, sizeof(buf)); 614 if (include(buf, ENDDEFS, 0, 0) != 0) 615 exit(1); 616 617 /* Include arch/${MACHINE}/conf/files.${MACHINE} */ 618 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s", 619 machine, machine); 620 if (include(buf, ENDFILE, 0, 0) != 0) 621 exit(1); 622 623 /* Include any arch/${MACHINE_SUBARCH}/conf/files.${MACHINE_SUBARCH} */ 624 for (nv = machinesubarches; nv != NULL; nv = nv->nv_next) { 625 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s", 626 nv->nv_name, nv->nv_name); 627 if (include(buf, ENDFILE, 0, 0) != 0) 628 exit(1); 629 } 630 631 /* Include any arch/${MACHINE_ARCH}/conf/files.${MACHINE_ARCH} */ 632 if (machinearch != NULL) 633 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s", 634 machinearch, machinearch); 635 else 636 strlcpy(buf, _PATH_DEVNULL, sizeof(buf)); 637 if (include(buf, ENDFILE, 0, 0) != 0) 638 exit(1); 639 640 /* 641 * Include the global conf/files. As the last thing 642 * pushed on the stack, it will be processed first. 643 */ 644 if (include("conf/files", ENDFILE, 0, 0) != 0) 645 exit(1); 646 647 oktopackage = 1; 648 } 649 650 static void 651 check_maxpart(void) 652 { 653 654 if (maxpartitions <= 0) { 655 stop("cannot proceed without maxpartitions specifier"); 656 } 657 } 658 659 static void 660 check_version(void) 661 { 662 /* 663 * In essence, version is 0 and is not supported anymore 664 */ 665 if (version < CONFIG_MINVERSION) 666 stop("your sources are out of date -- please update."); 667 } 668 669 static void 670 app(struct nvlist *p, struct nvlist *q) 671 { 672 while (p->nv_next) 673 p = p->nv_next; 674 p->nv_next = q; 675 } 676 677 static struct nvlist * 678 mk_nsis(const char *name, int count, struct nvlist *adefs, int opt) 679 { 680 struct nvlist *defs = adefs; 681 struct nvlist **p; 682 char buf[200]; 683 int i; 684 685 if (count <= 0) { 686 fprintf(stderr, "config: array with <= 0 size: %s\n", name); 687 exit(1); 688 } 689 p = &defs; 690 for(i = 0; i < count; i++) { 691 if (*p == NULL) 692 *p = new_s("0"); 693 snprintf(buf, sizeof(buf), "%s%c%d", name, ARRCHR, i); 694 (*p)->nv_name = i == 0 ? name : intern(buf); 695 (*p)->nv_int = i > 0 || opt; 696 p = &(*p)->nv_next; 697 } 698 *p = 0; 699 return defs; 700 } 701 702 703 static struct nvlist * 704 mk_ns(const char *name, struct nvlist *vals) 705 { 706 struct nvlist *p; 707 char buf[200]; 708 int i; 709 710 for(i = 0, p = vals; p; i++, p = p->nv_next) { 711 snprintf(buf, sizeof(buf), "%s%c%d", name, ARRCHR, i); 712 p->nv_name = i == 0 ? name : intern(buf); 713 } 714 return vals; 715 } 716 717
Indexes created Thu Oct 02 07:10:07 GMT 2025