gram.y revision 1.23 1 %{
2 /* $NetBSD: gram.y,v 1.23 2010/03/08 11:12:32 pooka 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) cfgerror(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 #define new_nsx(n,s,x) new0(n, s, NULL, 0, x)
76
77 #define fx_atom(s) new0(s, NULL, NULL, FX_ATOM, NULL)
78 #define fx_not(e) new0(NULL, NULL, NULL, FX_NOT, e)
79 #define fx_and(e1, e2) new0(NULL, NULL, e1, FX_AND, e2)
80 #define fx_or(e1, e2) new0(NULL, NULL, e1, FX_OR, e2)
81
82 static void cleanup(void);
83 static void setmachine(const char *, const char *, struct nvlist *, int);
84 static void check_maxpart(void);
85
86 static void app(struct nvlist *, struct nvlist *);
87
88 static struct nvlist *mk_nsis(const char *, int, struct nvlist *, int);
89 static struct nvlist *mk_ns(const char *, struct nvlist *);
90
91 %}
92
93 %union {
94 struct attr *attr;
95 struct devbase *devb;
96 struct deva *deva;
97 struct nvlist *list;
98 const char *str;
99 struct numconst num;
100 int64_t val;
101 }
102
103 %token AND AT ATTACH
104 %token BLOCK BUILD
105 %token CHAR COLONEQ COMPILE_WITH CONFIG
106 %token DEFFS DEFINE DEFOPT DEFPARAM DEFFLAG DEFPSEUDO DEFPSEUDODEV
107 %token DEVICE DEVCLASS DUMPS DEVICE_MAJOR
108 %token ENDFILE
109 %token XFILE FILE_SYSTEM FLAGS
110 %token IDENT IOCONF
111 %token XMACHINE MAJOR MAKEOPTIONS MAXUSERS MAXPARTITIONS MINOR
112 %token NEEDS_COUNT NEEDS_FLAG NO
113 %token XOBJECT OBSOLETE ON OPTIONS
114 %token PACKAGE PLUSEQ PREFIX PSEUDO_DEVICE PSEUDO_ROOT
115 %token ROOT
116 %token SOURCE
117 %token TYPE
118 %token VERSION
119 %token WITH
120 %token <num> NUMBER
121 %token <str> PATHNAME QSTRING WORD EMPTYSTRING
122 %token ENDDEFS
123
124 %left '|'
125 %left '&'
126
127 %type <list> fopts fexpr fatom
128 %type <str> fs_spec
129 %type <val> fflgs fflag oflgs oflag
130 %type <str> rule
131 %type <attr> attr
132 %type <devb> devbase
133 %type <deva> devattach_opt
134 %type <list> atlist interface_opt
135 %type <str> atname
136 %type <list> loclist_opt loclist locdef
137 %type <str> locdefault
138 %type <list> values locdefaults
139 %type <list> attrs_opt attrs
140 %type <list> locators locator
141 %type <list> dev_spec
142 %type <str> device_instance
143 %type <str> attachment
144 %type <str> value
145 %type <val> major_minor npseudo
146 %type <num> signed_number
147 %type <val> flags_opt
148 %type <str> deffs
149 %type <list> deffses
150 %type <list> 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,0); } |
189 XMACHINE WORD WORD subarches_opt '\n' { setmachine($2,$3,$4,0); } |
190 IOCONF WORD '\n' { setmachine($2,NULL,NULL,1); } |
191 error { stop("cannot proceed without machine or ioconf specifier"); };
192
193 subarches_opt:
194 subarches |
195 /* empty */ { $$ = NULL; };
196
197 subarches:
198 subarches WORD { $$ = new_nx($2, $1); } |
199 WORD { $$ = new_n($1); };
200
201 /*
202 * Various nonterminals shared between the grammars.
203 */
204 file:
205 XFILE filename fopts fflgs rule { addfile($2, $3, $4, $5); };
206
207 object:
208 XOBJECT filename fopts oflgs { addobject($2, $3, $4); };
209
210 device_major:
211 DEVICE_MAJOR WORD device_major_char device_major_block fopts
212 { adddevm($2, $3, $4, $5); };
213
214 device_major_block:
215 BLOCK NUMBER { $$ = $2.val; } |
216 /* empty */ { $$ = -1; };
217
218 device_major_char:
219 CHAR NUMBER { $$ = $2.val; } |
220 /* empty */ { $$ = -1; };
221
222 /* order of options is important, must use right recursion */
223 fopts:
224 fexpr { $$ = $1; } |
225 /* empty */ { $$ = NULL; };
226
227 fexpr:
228 fatom { $$ = $1; } |
229 '!' fatom { $$ = fx_not($2); } |
230 fexpr '&' fexpr { $$ = fx_and($1, $3); } |
231 fexpr '|' fexpr { $$ = fx_or($1, $3); } |
232 '(' fexpr ')' { $$ = $2; };
233
234 fatom:
235 WORD { $$ = fx_atom($1); };
236
237 fflgs:
238 fflgs fflag { $$ = $1 | $2; } |
239 /* empty */ { $$ = 0; };
240
241 fflag:
242 NEEDS_COUNT { $$ = FI_NEEDSCOUNT; } |
243 NEEDS_FLAG { $$ = FI_NEEDSFLAG; };
244
245 oflgs:
246 oflgs oflag { $$ = $1 | $2; } |
247 /* empty */ { $$ = 0; };
248
249 oflag:
250 NEEDS_FLAG { $$ = OI_NEEDSFLAG; };
251
252 rule:
253 COMPILE_WITH stringvalue { $$ = $2; } |
254 /* empty */ { $$ = NULL; };
255
256 prefix:
257 PREFIX filename { prefix_push($2); } |
258 PREFIX { prefix_pop(); };
259
260 /*
261 * The machine definitions grammar.
262 */
263 dev_defs:
264 dev_defs dev_def |
265 dev_defs ENDFILE { enddefs(); checkfiles(); } |
266 /* empty */;
267
268 dev_def:
269 one_def '\n' { adepth = 0; } |
270 '\n' |
271 error '\n' { cleanup(); };
272
273 one_def:
274 file |
275 object |
276 device_major { do_devsw = 1; } |
277 prefix |
278 DEVCLASS WORD { (void)defattr($2, NULL, NULL, 1); } |
279 DEFFS deffses defoptdeps { deffilesystem($2, $3); } |
280 DEFINE WORD interface_opt attrs_opt
281 { (void)defattr($2, $3, $4, 0); } |
282 DEFOPT optfile_opt defopts defoptdeps
283 { defoption($2, $3, $4); } |
284 DEFFLAG optfile_opt defopts defoptdeps
285 { defflag($2, $3, $4, 0); } |
286 OBSOLETE DEFFLAG optfile_opt defopts
287 { defflag($3, $4, NULL, 1); } |
288 DEFPARAM optfile_opt defopts defoptdeps
289 { defparam($2, $3, $4, 0); } |
290 OBSOLETE DEFPARAM optfile_opt defopts
291 { defparam($3, $4, NULL, 1); } |
292 DEVICE devbase interface_opt attrs_opt
293 { defdev($2, $3, $4, 0); } |
294 ATTACH devbase AT atlist devattach_opt attrs_opt
295 { defdevattach($5, $2, $4, $6); } |
296 MAXPARTITIONS NUMBER { maxpartitions = $2.val; } |
297 MAXUSERS NUMBER NUMBER NUMBER { setdefmaxusers($2.val, $3.val, $4.val); } |
298 MAKEOPTIONS condmkopt_list |
299 /* interface_opt in DEFPSEUDO is for backwards compatibility */
300 DEFPSEUDO devbase interface_opt attrs_opt
301 { defdev($2, $3, $4, 1); } |
302 DEFPSEUDODEV devbase interface_opt attrs_opt
303 { defdev($2, $3, $4, 2); } |
304 MAJOR '{' majorlist '}' |
305 VERSION NUMBER { setversion($2.val); };
306
307 atlist:
308 atlist ',' atname { $$ = new_nx($3, $1); } |
309 atname { $$ = new_n($1); };
310
311 atname:
312 WORD { $$ = $1; } |
313 ROOT { $$ = NULL; };
314
315 deffses:
316 deffses deffs { $$ = new_nx($2, $1); } |
317 deffs { $$ = new_n($1); };
318
319 deffs:
320 WORD { $$ = $1; };
321
322 defoptdeps:
323 ':' optdeps { $$ = $2; } |
324 /* empty */ { $$ = NULL; };
325
326 optdeps:
327 optdeps ',' optdep { $$ = new_nx($3, $1); } |
328 optdep { $$ = new_n($1); };
329
330 optdep:
331 WORD { $$ = $1; };
332
333 defopts:
334 defopts defopt { $$ = nvcat($2, $1); } |
335 defopt { $$ = $1; };
336
337 defopt:
338 WORD { $$ = new_n($1); } |
339 WORD '=' value { $$ = new_ns($1, $3); } |
340 WORD COLONEQ value {
341 struct nvlist *__nv =
342 new_n($1);
343 $$ = new_nsx("", $3, __nv);
344 } |
345 WORD '=' value COLONEQ value {
346 struct nvlist *__nv =
347 new_n($1);
348 $$ = new_nsx("", $5, __nv);
349 };
350
351 devbase:
352 WORD { $$ = getdevbase($1); };
353
354 devattach_opt:
355 WITH WORD { $$ = getdevattach($2); } |
356 /* empty */ { $$ = NULL; };
357
358 interface_opt:
359 '{' loclist_opt '}' { $$ = new_nx("", $2); } |
360 /* empty */ { $$ = NULL; };
361
362 loclist_opt:
363 loclist { $$ = $1; } |
364 /* empty */ { $$ = NULL; };
365
366 /* loclist order matters, must use right recursion */
367 loclist:
368 locdef ',' loclist { $$ = $1; app($1, $3); } |
369 locdef { $$ = $1; };
370
371 /* "[ WORD locdefault ]" syntax may be unnecessary... */
372 locdef:
373 locname locdefault { $$ = new_nsi($1, $2, 0); } |
374 locname { $$ = new_nsi($1, NULL, 0); } |
375 '[' locname locdefault ']' { $$ = new_nsi($2, $3, 1); } |
376 locname '[' NUMBER ']' { $$ = mk_nsis($1, $3.val, NULL, 0); } |
377 locname '[' NUMBER ']' locdefaults
378 { $$ = mk_nsis($1, $3.val, $5, 0); } |
379 '[' locname '[' NUMBER ']' locdefaults ']'
380 { $$ = mk_nsis($2, $4.val, $6, 1); };
381
382 locname:
383 WORD { $$ = $1; } |
384 QSTRING { $$ = $1; };
385
386 locdefault:
387 '=' value { $$ = $2; };
388
389 locdefaults:
390 '=' '{' values '}' { $$ = $3; };
391
392 optfile_opt:
393 filename { $$ = $1; } |
394 /* empty */ { $$ = NULL; };
395
396 filename:
397 QSTRING { $$ = $1; } |
398 PATHNAME { $$ = $1; };
399
400 value:
401 QSTRING { $$ = $1; } |
402 WORD { $$ = $1; } |
403 EMPTYSTRING { $$ = $1; } |
404 signed_number { char bf[40];
405 (void)snprintf(bf, sizeof(bf),
406 FORMAT($1), (long long)$1.val);
407 $$ = intern(bf); };
408
409 stringvalue:
410 QSTRING { $$ = $1; } |
411 WORD { $$ = $1; };
412
413 values:
414 value ',' values { $$ = new_sx($1, $3); } |
415 value { $$ = new_s($1); };
416
417 signed_number:
418 NUMBER { $$ = $1; } |
419 '-' NUMBER { $$.fmt = $2.fmt; $$.val = -$2.val; };
420
421 attrs_opt:
422 ':' attrs { $$ = $2; } |
423 /* empty */ { $$ = NULL; };
424
425 attrs:
426 attrs ',' attr { $$ = new_px($3, $1); } |
427 attr { $$ = new_p($1); };
428
429 attr:
430 WORD { $$ = getattr($1); };
431
432 majorlist:
433 majorlist ',' majordef |
434 majordef;
435
436 majordef:
437 devbase '=' NUMBER { setmajor($1, $3.val); };
438
439
440 /*
441 * The configuration grammar.
442 */
443 specs:
444 specs spec |
445 /* empty */;
446
447 spec:
448 config_spec '\n' { adepth = 0; } |
449 '\n' |
450 error '\n' { cleanup(); };
451
452 config_spec:
453 one_def |
454 NO FILE_SYSTEM no_fs_list |
455 FILE_SYSTEM fs_list |
456 NO MAKEOPTIONS no_mkopt_list |
457 MAKEOPTIONS mkopt_list |
458 NO OPTIONS no_opt_list |
459 OPTIONS opt_list |
460 MAXUSERS NUMBER { setmaxusers($2.val); } |
461 IDENT stringvalue { setident($2); } |
462 CONFIG conf root_spec sysparam_list
463 { addconf(&conf); } |
464 NO CONFIG WORD { delconf($3); } |
465 NO PSEUDO_DEVICE WORD { delpseudo($3); } |
466 PSEUDO_DEVICE WORD npseudo { addpseudo($2, $3); } |
467 PSEUDO_ROOT device_instance { addpseudoroot($2); } |
468 NO device_instance AT attachment
469 { deldevi($2, $4); } |
470 NO DEVICE AT attachment { deldeva($4); } |
471 NO device_instance { deldev($2); } |
472 device_instance AT attachment locators flags_opt
473 { adddev($1, $3, $4, $5); };
474
475 fs_list:
476 fs_list ',' fsoption |
477 fsoption;
478
479 fsoption:
480 WORD { addfsoption($1); };
481
482 no_fs_list:
483 no_fs_list ',' no_fsoption |
484 no_fsoption;
485
486 no_fsoption:
487 WORD { delfsoption($1); };
488
489 mkopt_list:
490 mkopt_list ',' mkoption |
491 mkoption;
492
493 mkvarname:
494 QSTRING { $$ = $1; } |
495 WORD { $$ = $1; };
496
497 mkoption:
498 mkvarname '=' value { addmkoption($1, $3); } |
499 mkvarname PLUSEQ value { appendmkoption($1, $3); };
500
501 condmkopt_list:
502 condmkopt_list ',' condmkoption |
503 condmkoption;
504
505 condmkoption:
506 fexpr mkvarname PLUSEQ value { appendcondmkoption($1, $2, $4); };
507
508 no_mkopt_list:
509 no_mkopt_list ',' no_mkoption |
510 no_mkoption;
511
512 no_mkoption:
513 WORD { delmkoption($1); }
514
515 opt_list:
516 opt_list ',' option |
517 option;
518
519 option:
520 WORD { addoption($1, NULL); } |
521 WORD '=' value { addoption($1, $3); };
522
523 no_opt_list:
524 no_opt_list ',' no_option |
525 no_option;
526
527 no_option:
528 WORD { deloption($1); };
529
530 conf:
531 WORD { conf.cf_name = $1;
532 conf.cf_lineno = currentline();
533 conf.cf_fstype = NULL;
534 conf.cf_root = NULL;
535 conf.cf_dump = NULL; };
536
537 root_spec:
538 ROOT on_opt dev_spec fs_spec_opt
539 { setconf(&conf.cf_root, "root", $3); };
540
541 fs_spec_opt:
542 TYPE fs_spec { setfstype(&conf.cf_fstype, $2); } |
543 /* empty */;
544
545 fs_spec:
546 '?' { $$ = intern("?"); } |
547 WORD { $$ = $1; };
548
549 sysparam_list:
550 sysparam_list sysparam |
551 /* empty */;
552
553 sysparam:
554 DUMPS on_opt dev_spec { setconf(&conf.cf_dump, "dumps", $3); };
555
556 dev_spec:
557 '?' { $$ = new_si(intern("?"), NODEV); } |
558 WORD { $$ = new_si($1, NODEV); } |
559 major_minor { $$ = new_si(NULL, $1); };
560
561 major_minor:
562 MAJOR NUMBER MINOR NUMBER { $$ = makedev($2.val, $4.val); };
563
564 on_opt:
565 ON | /* empty */;
566
567 npseudo:
568 NUMBER { $$ = $1.val; } |
569 /* empty */ { $$ = 1; };
570
571 device_instance:
572 WORD '*' { $$ = starref($1); } |
573 WORD { $$ = $1; };
574
575 attachment:
576 ROOT { $$ = NULL; } |
577 WORD '?' { $$ = wildref($1); } |
578 WORD { $$ = $1; };
579
580 locators:
581 locators locator { $$ = $2; app($2, $1); } |
582 /* empty */ { $$ = NULL; };
583
584 locator:
585 WORD values { $$ = mk_ns($1, $2); } |
586 WORD '?' { $$ = new_ns($1, NULL); };
587
588 flags_opt:
589 FLAGS NUMBER { $$ = $2.val; } |
590 /* empty */ { $$ = 0; };
591
592 %%
593
594 void
595 yyerror(const char *s)
596 {
597
598 cfgerror("%s", s);
599 }
600
601 /*
602 * Cleanup procedure after syntax error: release any nvlists
603 * allocated during parsing the current line.
604 */
605 static void
606 cleanup(void)
607 {
608 struct nvlist **np;
609 int i;
610
611 for (np = alloc, i = adepth; --i >= 0; np++)
612 nvfree(*np);
613 adepth = 0;
614 }
615
616 static void
617 setmachine(const char *mch, const char *mcharch, struct nvlist *mchsubarches,
618 int isioconf)
619 {
620 char buf[MAXPATHLEN];
621 struct nvlist *nv;
622
623 if (isioconf) {
624 fprintf(stderr, "WARNING: ioconf is an experimental feature\n");
625 if (include(_PATH_DEVNULL, ENDDEFS, 0, 0) != 0)
626 exit(1);
627 ioconfname = mch;
628 return;
629 }
630
631 machine = mch;
632 machinearch = mcharch;
633 machinesubarches = mchsubarches;
634
635 /*
636 * Define attributes for all the given names
637 */
638 if (defattr(machine, NULL, NULL, 0) != 0 ||
639 (machinearch != NULL &&
640 defattr(machinearch, NULL, NULL, 0) != 0))
641 exit(1);
642 for (nv = machinesubarches; nv != NULL; nv = nv->nv_next) {
643 if (defattr(nv->nv_name, NULL, NULL, 0) != 0)
644 exit(1);
645 }
646
647 /*
648 * Set up the file inclusion stack. This empty include tells
649 * the parser there are no more device definitions coming.
650 */
651 if (include(_PATH_DEVNULL, ENDDEFS, 0, 0) != 0)
652 exit(1);
653
654 /* Include arch/${MACHINE}/conf/files.${MACHINE} */
655 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s",
656 machine, machine);
657 if (include(buf, ENDFILE, 0, 0) != 0)
658 exit(1);
659
660 /* Include any arch/${MACHINE_SUBARCH}/conf/files.${MACHINE_SUBARCH} */
661 for (nv = machinesubarches; nv != NULL; nv = nv->nv_next) {
662 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s",
663 nv->nv_name, nv->nv_name);
664 if (include(buf, ENDFILE, 0, 0) != 0)
665 exit(1);
666 }
667
668 /* Include any arch/${MACHINE_ARCH}/conf/files.${MACHINE_ARCH} */
669 if (machinearch != NULL)
670 (void)snprintf(buf, sizeof(buf), "arch/%s/conf/files.%s",
671 machinearch, machinearch);
672 else
673 strlcpy(buf, _PATH_DEVNULL, sizeof(buf));
674 if (include(buf, ENDFILE, 0, 0) != 0)
675 exit(1);
676
677 /*
678 * Include the global conf/files. As the last thing
679 * pushed on the stack, it will be processed first.
680 */
681 if (include("conf/files", ENDFILE, 0, 0) != 0)
682 exit(1);
683
684 oktopackage = 1;
685 }
686
687 static void
688 check_maxpart(void)
689 {
690
691 if (maxpartitions <= 0 && ioconfname == NULL) {
692 stop("cannot proceed without maxpartitions specifier");
693 }
694 }
695
696 static void
697 check_version(void)
698 {
699 /*
700 * In essence, version is 0 and is not supported anymore
701 */
702 if (version < CONFIG_MINVERSION)
703 stop("your sources are out of date -- please update.");
704 }
705
706 static void
707 app(struct nvlist *p, struct nvlist *q)
708 {
709 while (p->nv_next)
710 p = p->nv_next;
711 p->nv_next = q;
712 }
713
714 static struct nvlist *
715 mk_nsis(const char *name, int count, struct nvlist *adefs, int opt)
716 {
717 struct nvlist *defs = adefs;
718 struct nvlist **p;
719 char buf[200];
720 int i;
721
722 if (count <= 0) {
723 fprintf(stderr, "config: array with <= 0 size: %s\n", name);
724 exit(1);
725 }
726 p = &defs;
727 for(i = 0; i < count; i++) {
728 if (*p == NULL)
729 *p = new_s("0");
730 snprintf(buf, sizeof(buf), "%s%c%d", name, ARRCHR, i);
731 (*p)->nv_name = i == 0 ? name : intern(buf);
732 (*p)->nv_num = i > 0 || opt;
733 p = &(*p)->nv_next;
734 }
735 *p = 0;
736 return defs;
737 }
738
739
740 static struct nvlist *
741 mk_ns(const char *name, struct nvlist *vals)
742 {
743 struct nvlist *p;
744 char buf[200];
745 int i;
746
747 for(i = 0, p = vals; p; i++, p = p->nv_next) {
748 snprintf(buf, sizeof(buf), "%s%c%d", name, ARRCHR, i);
749 p->nv_name = i == 0 ? name : intern(buf);
750 }
751 return vals;
752 }
753
754