summaryrefslogtreecommitdiff
path: root/posix/getconf.c
blob: 52cfc7d8d890791234a5007140f9669af2707ac0 (plain)
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
/* Copyright (C) 1991, 92, 1995-1999, 2000 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public License as
   published by the Free Software Foundation; either version 2 of the
   License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with the GNU C Library; see the file COPYING.LIB.  If not,
   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

#include <unistd.h>
#include <errno.h>
#include <error.h>
#include <libintl.h>
#include <locale.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>

#include "../version.h"
#define PACKAGE _libc_intl_domainname

struct conf
  {
    const char *name;
    const int call_name;
    const enum { SYSCONF, CONFSTR, PATHCONF } call;
  };

static const struct conf vars[] =
  {
#ifdef _PC_LINK_MAX
    { "LINK_MAX", _PC_LINK_MAX, PATHCONF },
#endif
#ifdef _PC_LINK_MAX
    { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF },
#endif
#ifdef _PC_MAX_CANON
    { "MAX_CANON", _PC_MAX_CANON, PATHCONF },
#endif
#ifdef _PC_MAX_CANON
    { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF },
#endif
#ifdef _PC_MAX_INPUT
    { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
#endif
#ifdef _PC_MAX_INPUT
    { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
#endif
#ifdef _PC_NAME_MAX
    { "NAME_MAX", _PC_NAME_MAX, PATHCONF },
#endif
#ifdef _PC_NAME_MAX
    { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF },
#endif
#ifdef _PC_PATH_MAX
    { "PATH_MAX", _PC_PATH_MAX, PATHCONF },
#endif
#ifdef _PC_PATH_MAX
    { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF },
#endif
#ifdef _PC_PIPE_BUF
    { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
#endif
#ifdef _PC_PIPE_BUF
    { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
#endif
#ifdef _PC_SOCK_MAXBUF
    { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF },
#endif
#ifdef _PC_ASYNC_IO
    { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
#endif
#ifdef _PC_CHOWN_RESTRICTED
    { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
#endif
#ifdef _PC_NO_TRUNC
    { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
#endif
#ifdef _PC_PRIO_IO
    { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
#endif
#ifdef _PC_SYNC_IO
    { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
#endif
#ifdef _PC_VDISABLE
    { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
#endif

#ifdef _SC_ARG_MAX
    { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
#endif
#ifdef _SC_ATEXIT_MAX
    { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF },
#endif
#ifdef _SC_CHAR_BIT
    { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF },
#endif
#ifdef _SC_CHAR_MAX
    { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF },
#endif
#ifdef _SC_CHAR_MIN
    { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF },
#endif
#ifdef _SC_CHILD_MAX
    { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
#endif
#ifdef _SC_CLK_TCK
    { "CLK_TCK", _SC_CLK_TCK, SYSCONF },
#endif
#ifdef _SC_INT_MAX
    { "INT_MAX", _SC_INT_MAX, SYSCONF },
#endif
#ifdef _SC_INT_MIN
    { "INT_MIN", _SC_INT_MIN, SYSCONF },
#endif
#ifdef _SC_UIO_MAXIOV
    { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF },
#endif
#ifdef _SC_LOGIN_NAME_MAX
    { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
#endif
#ifdef _SC_LONG_BIT
    { "LONG_BIT", _SC_LONG_BIT, SYSCONF },
#endif
#ifdef _SC_MB_LEN_MAX
    { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF },
#endif
#ifdef _SC_NGROUPS_MAX
    { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
#endif
#ifdef _SC_NL_ARGMAX
    { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF },
#endif
#ifdef _SC_NL_LANGMAX
    { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF },
#endif
#ifdef _SC_NL_MSGMAX
    { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF },
#endif
#ifdef _SC_NL_NMAX
    { "NL_NMAX", _SC_NL_NMAX, SYSCONF },
#endif
#ifdef _SC_NL_SETMAX
    { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF },
#endif
#ifdef _SC_NL_TEXTMAX
    { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF },
#endif
#ifdef _SC_GETGR_R_SIZE_MAX
    { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF },
#endif
#ifdef _SC_GETPW_R_SIZE_MAX
    { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF },
#endif
#ifdef _SC_NZERO
    { "NZERO", _SC_NZERO, SYSCONF },
#endif
#ifdef _SC_OPEN_MAX
    { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
#endif
#ifdef _SC_PAGESIZE
    { "PAGESIZE", _SC_PAGESIZE, SYSCONF },
#endif
#ifdef _SC_PAGESIZE
    { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF },
#endif
#ifdef _SC_PASS_MAX
    { "PASS_MAX", _SC_PASS_MAX, SYSCONF },
#endif
#ifdef _SC_THREAD_DESTRUCTOR_ITERATIONS
    { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF },
#endif
#ifdef _SC_THREAD_KEYS_MAX
    { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF },
#endif
#ifdef _SC_THREAD_STACK_MIN
    { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF },
#endif
#ifdef _SC_THREAD_THREADS_MAX
    { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF },
#endif
#ifdef _SC_SCHAR_MAX
    { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF },
#endif
#ifdef _SC_SCHAR_MIN
    { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF },
#endif
#ifdef _SC_SHRT_MAX
    { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF },
#endif
#ifdef _SC_SHRT_MIN
    { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF },
#endif
#ifdef _SC_SSIZE_MAX
    { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
#endif
#ifdef _SC_TTY_NAME_MAX
    { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF },
#endif
#ifdef _SC_TZNAME_MAX
    { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
#endif
#ifdef _SC_UCHAR_MAX
    { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF },
#endif
#ifdef _SC_UINT_MAX
    { "UINT_MAX", _SC_UINT_MAX, SYSCONF },
#endif
#ifdef _SC_UIO_MAXIOV
    { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF },
#endif
#ifdef _SC_ULONG_MAX
    { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF },
#endif
#ifdef _SC_USHRT_MAX
    { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF },
#endif
#ifdef _SC_WORD_BIT
    { "WORD_BIT", _SC_WORD_BIT, SYSCONF },
#endif
#ifdef _SC_AVPHYS_PAGES
    { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF },
#endif
#ifdef _SC_NPROCESSORS_CONF
    { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF },
#endif
#ifdef _SC_NPROCESSORS_ONLN
    { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF },
#endif
#ifdef _SC_PHYS_PAGES
    { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF },
#endif
#ifdef _SC_ARG_MAX
    { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF },
#endif
#ifdef _SC_ASYNCHRONOUS_IO
    { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
#endif
#ifdef _SC_CHILD_MAX
    { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
#endif
#ifdef _SC_FSYNC
    { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
#endif
#ifdef _SC_JOB_CONTROL
    { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
#endif
#ifdef _SC_MAPPED_FILES
    { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
#endif
#ifdef _SC_MEMLOCK
    { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
#endif
#ifdef _SC_MEMLOCK_RANGE
    { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
#endif
#ifdef _SC_MEMORY_PROTECTION
    { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
#endif
#ifdef _SC_MESSAGE_PASSING
    { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
#endif
#ifdef _SC_NGROUPS_MAX
    { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
#endif
#ifdef _SC_OPEN_MAX
    { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
#endif
#ifdef _SC_PII
    { "_POSIX_PII", _SC_PII, SYSCONF },
#endif
#ifdef _SC_PII_INTERNET
    { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF },
#endif
#ifdef _SC_PII_INTERNET_DGRAM
    { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF },
#endif
#ifdef _SC_PII_INTERNET_STREAM
    { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF },
#endif
#ifdef _SC_PII_OSI
    { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF },
#endif
#ifdef _SC_PII_OSI_CLTS
    { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF },
#endif
#ifdef _SC_PII_OSI_COTS
    { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF },
#endif
#ifdef _SC_PII_OSI_M
    { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF },
#endif
#ifdef _SC_PII_SOCKET
    { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF },
#endif
#ifdef _SC_PII_XTI
    { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF },
#endif
#ifdef _SC_POLL
    { "_POSIX_POLL", _SC_POLL, SYSCONF },
#endif
#ifdef _SC_PRIORITIZED_IO
    { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
#endif
#ifdef _SC_PRIORITY_SCHEDULING
    { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
#endif
#ifdef _SC_REALTIME_SIGNALS
    { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
#endif
#ifdef _SC_SAVED_IDS
    { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
#endif
#ifdef _SC_SELECT
    { "_POSIX_SELECT", _SC_SELECT, SYSCONF },
#endif
#ifdef _SC_SEMAPHORES
    { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
#endif
#ifdef _SC_SHARED_MEMORY_OBJECTS
    { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
#endif
#ifdef _SC_SSIZE_MAX
    { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
#endif
#ifdef _SC_STREAM_MAX
    { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
#endif
#ifdef _SC_SYNCHRONIZED_IO
    { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
#endif
#ifdef _SC_THREADS
    { "_POSIX_THREADS", _SC_THREADS, SYSCONF },
#endif
#ifdef _SC_THREAD_ATTR_STACKADDR
    { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF },
#endif
#ifdef _SC_THREAD_ATTR_STACKSIZE
    { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF },
#endif
#ifdef _SC_THREAD_PRIORITY_SCHEDULING
    { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF },
#endif
#ifdef _SC_THREAD_PRIO_INHERIT
    { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF },
#endif
#ifdef _SC_THREAD_PRIO_PROTECT
    { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF },
#endif
#ifdef _SC_THREAD_PROCESS_SHARED
    { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF },
#endif
#ifdef _SC_THREAD_SAFE_FUNCTIONS
    { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF },
#endif
#ifdef _SC_TIMERS
    { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
#endif
#ifdef _SC_TZNAME_MAX
    { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
#endif
#ifdef _SC_VERSION
    { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
#endif
#ifdef _SC_T_IOV_MAX
    { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF },
#endif
#ifdef _SC_XOPEN_CRYPT
    { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF },
#endif
#ifdef _SC_XOPEN_ENH_I18N
    { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF },
#endif
#ifdef _SC_XOPEN_LEGACY
    { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF },
#endif
#ifdef _SC_XOPEN_REALTIME
    { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF },
#endif
#ifdef _SC_XOPEN_REALTIME_THREADS
    { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF },
#endif
#ifdef _SC_XOPEN_SHM
    { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF },
#endif
#ifdef _SC_XOPEN_UNIX
    { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF },
#endif
#ifdef _SC_XOPEN_VERSION
    { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF },
#endif
#ifdef _SC_XOPEN_XCU_VERSION
    { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF },
#endif
#ifdef _SC_XOPEN_XPG2
    { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF },
#endif
#ifdef _SC_XOPEN_XPG3
    { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF },
#endif
#ifdef _SC_XOPEN_XPG4
    { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF },
#endif
    /* POSIX.2  */
#ifdef _SC_BC_BASE_MAX
    { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
#endif
#ifdef _SC_BC_DIM_MAX
    { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
#endif
#ifdef _SC_BC_SCALE_MAX
    { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
#endif
#ifdef _SC_BC_STRING_MAX
    { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
#endif
    { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF },
#ifdef _SC_COLL_WEIGHTS_MAX
    { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
#endif
#ifdef _SC_EQUIV_CLASS_MAX
    { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF },
#endif
#ifdef _SC_EXPR_NEST_MAX
    { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
#endif
#ifdef _SC_LINE_MAX
    { "LINE_MAX", _SC_LINE_MAX, SYSCONF },
#endif
#ifdef _SC_BC_BASE_MAX
    { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
#endif
#ifdef _SC_BC_DIM_MAX
    { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
#endif
#ifdef _SC_BC_SCALE_MAX
    { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
#endif
#ifdef _SC_BC_STRING_MAX
    { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
#endif
#ifdef _SC_2_CHAR_TERM
    { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF },
#endif
#ifdef _SC_COLL_WEIGHTS_MAX
    { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
#endif
#ifdef _SC_2_C_BIND
    { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF },
#endif
#ifdef _SC_2_C_DEV
    { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF },
#endif
#ifdef _SC_2_C_VERSION
    { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF },
#endif
#ifdef _SC_EXPR_NEST_MAX
    { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
#endif
#ifdef _SC_2_FORT_DEV
    { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF },
#endif
#ifdef _SC_2_FORT_RUN
    { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF },
#endif
#ifdef _SC_LINE_MAX
    { "POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
#endif
#ifdef _SC_2_LOCALEDEF
    { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF },
#endif
#ifdef _SC_RE_DUP_MAX
    { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
#endif
#ifdef _SC_2_SW_DEV
    { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF },
#endif
#ifdef _SC_2_UPE
    { "POSIX2_UPE", _SC_2_UPE, SYSCONF },
#endif
#ifdef _SC_2_VERSION
    { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF },
#endif
#ifdef _SC_RE_DUP_MAX
    { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
#endif

#ifdef _CS_PATH
    { "PATH", _CS_PATH, CONFSTR },
#endif
#ifdef _CS_PATH
    { "CS_PATH", _CS_PATH, CONFSTR },
#endif

    /* LFS */
#ifdef _CS_LFS_CFLAGS
    { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR },
#endif
#ifdef _CS_LFS_LDFLAGS
    { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR },
#endif
#ifdef _CS_LFS_LIBS
    { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR },
#endif
#ifdef _CS_LFS_LINTFLAGS
    { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR },
#endif
#ifdef _CS_LFS64_CFLAGS
    { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR },
#endif
#ifdef _CS_LFS64_LDFLAGS
    { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR },
#endif
#ifdef _CS_LFS64_LIBS
    { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR },
#endif
#ifdef _CS_LFS64_LINTFLAGS
    { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR },
#endif

    /* Programming environments.  */
#ifdef _SC_XBS5_ILP32_OFF32
    { "XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF },
#endif
#ifdef _CS_XBS5_ILP32_OFF32_CFLAGS
    { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR },
#endif
#ifdef _CS_XBS5_ILP32_OFF32_LDFLAGS
    { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR },
#endif
#ifdef _CS_XBS5_ILP32_OFF32_LIBS
    { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR },
#endif
#ifdef _CS_XBS5_ILP32_OFF32_LINTFLAGS
    { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR },
#endif

#ifdef _SC_XBS5_ILP32_OFFBIG
    { "XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF },
#endif
#ifdef _CS_XBS5_ILP32_OFFBIG_CFLAGS
    { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR },
#endif
#ifdef _CS_XBS5_ILP32_OFFBIG_LDFLAGS
    { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR },
#endif
#ifdef _CS_XBS5_ILP32_OFFBIG_LIBS
    { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR },
#endif
#ifdef _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
    { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
#endif

#ifdef _SC_XBS5_LP64_OFF64
    { "XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF },
#endif
#ifdef _CS_XBS5_LP64_OFF64_CFLAGS
    { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR },
#endif
#ifdef _CS_XBS5_LP64_OFF64_LDFLAGS
    { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR },
#endif
#ifdef _CS_XBS5_LP64_OFF64_LIBS
    { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR },
#endif
#ifdef _CS_XBS5_LP64_OFF64_LINTFLAGS
    { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR },
#endif

#ifdef _SC_XBS5_LPBIG_OFFBIG
    { "XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF },
#endif
#ifdef _CS_XBS5_LPBIG_OFFBIG_CFLAGS
    { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR },
#endif
#ifdef _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
    { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
#endif
#ifdef _CS_XBS5_LPBIG_OFFBIG_LIBS
    { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR },
#endif
#ifdef _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
    { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
#endif

#ifdef _SC_ADVISORY_INFO
    { "ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF },
#endif
#ifdef _SC_BARRIERS
    { "BARRIERS", _SC_BARRIERS, SYSCONF },
#endif
#ifdef _SC_BASE
    { "BASE", _SC_BASE, SYSCONF },
#endif
#ifdef _SC_C_LANG_SUPPORT
    { "C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF },
#endif
#ifdef _SC_C_LANG_SUPPORT_R
    { "C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF },
#endif
#ifdef _SC_CLOCK_SELECTION
    { "CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF },
#endif
#ifdef _SC_CPUTIME
    { "CPUTIME", _SC_CPUTIME, SYSCONF },
#endif
#ifdef _SC_THREAD_CPUTIME
    { "THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF },
#endif
#ifdef _SC_DEVICE_SPECIFIC
    { "DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF },
#endif
#ifdef _SC_DEVICE_SPECIFIC_R
    { "DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF },
#endif
#ifdef _SC_FD_MGMT
    { "FD_MGMT", _SC_FD_MGMT, SYSCONF },
#endif
#ifdef _SC_FIFO
    { "FIFO", _SC_FIFO, SYSCONF },
#endif
#ifdef _SC_PIPE
    { "PIPE", _SC_PIPE, SYSCONF },
#endif
#ifdef _SC_FILE_ATTRIBUTES
    { "FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF },
#endif
#ifdef _SC_FILE_LOCKING
    { "FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF },
#endif
#ifdef _SC_FILE_SYSTEM
    { "FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF },
#endif
#ifdef _SC_MONOTONIC_CLOCK
    { "MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF },
#endif
#ifdef _SC_MULTIPLE_PROCESS
    { "MULTIPLE_PROCESS", _SC_MULTIPLE_PROCESS, SYSCONF },
#endif
#ifdef _SC_SINGLE_PROCESS
    { "SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF },
#endif
#ifdef _SC_NETWORKING
    { "NETWORKING", _SC_NETWORKING, SYSCONF },
#endif
#ifdef _SC_READER_WRITER_LOCKS
    { "READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF },
#endif
#ifdef _SC_SPIN_LOCKS
    { "SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF },
#endif
#ifdef _SC_REXEXP
    { "REGEXP", _SC_REXEXP, SYSCONF },
#endif
#ifdef _SC_REXEXP
    { "REGEXP", _SC_REXEXP, SYSCONF },
#endif
#ifdef _SC_REXEX_VERSION
    { "REGEX_VERSION", _SC_REXEX_VERSION, SYSCONF },
#endif
#ifdef _SC_SHELL
    { "SHELL", _SC_SHELL, SYSCONF },
#endif
#ifdef _SC_SIGNALS
    { "SIGNALS", _SC_SIGNALS, SYSCONF },
#endif
#ifdef _SC_SPAWN
    { "SPAWN", _SC_SPAWN, SYSCONF },
#endif
#ifdef _SC_SPORADIC_SERVER
    { "SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF },
#endif
#ifdef _SC_THREAD_SPORADIC_SERVER
    { "THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF },
#endif
#ifdef _SC_SYSTEM_DATABASE
    { "SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF },
#endif
#ifdef _SC_SYSTEM_DATABASE_R
    { "SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF },
#endif
#ifdef _SC_TIMEOUTS
    { "TIMEOUTS", _SC_TIMEOUTS, SYSCONF },
#endif
#ifdef _SC_TYPED_MEMORY_OBJECTS
    { "TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF },
#endif
#ifdef _SC_USER_GROUPS
    { "USER_GROUPS", _SC_USER_GROUPS, SYSCONF },
#endif
#ifdef _SC_USER_GROUPS_R
    { "USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF },
#endif
#ifdef _SC_PBS
    { "PBS", _SC_PBS, SYSCONF },
#endif
#ifdef _SC_PBS_ACCOUNTING
    { "PBS_ACCOUNT", _SC_PBS_ACCOUNTING, SYSCONF },
#endif
#ifdef _SC_PBS_LOCATE
    { "PBS_LOCATE", _SC_PBS_LOCATE, SYSCONF },
#endif
#ifdef _SC_PBS_TRACK
    { "PBS_TRACK", _SC_PBS_TRACK, SYSCONF },
#endif
#ifdef _SC_PBS_MESSAGE
    { "PBS_MESSAGE", _SC_PBS_MESSAGE, SYSCONF },
#endif
#ifdef _SC_SYMLOOP
    { "SYMLOOP", _SC_SYMLOOP, SYSCONF },
#endif

    { NULL, 0, SYSCONF }
  };

extern const char *__progname;


static void
usage (void)
{
  fprintf (stderr, _("Usage: %s variable_name [pathname]\n"), __progname);
  exit (2);
}

int
main (int argc, char *argv[])
{
  register const struct conf *c;

  /* Set locale.  Do not set LC_ALL because the other categories must
     not be affected (according to POSIX.2).  */
  setlocale (LC_CTYPE, "");
  setlocale (LC_MESSAGES, "");

  /* Initialize the message catalog.  */
  textdomain (PACKAGE);

  if (argc > 1 && strcmp (argv[1], "--version") == 0)
    {
      fprintf (stderr, "getconf (GNU %s) %s\n", PACKAGE, VERSION);
      fprintf (stderr, gettext ("\
Copyright (C) %s Free Software Foundation, Inc.\n\
This is free software; see the source for copying conditions.  There is NO\n\
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
"), "1999");
      fprintf (stderr, gettext ("Written by %s.\n"), "Roland McGrath");
      return 0;
    }

  if (argc < 2 || argc > 3)
    usage ();

  for (c = vars; c->name != NULL; ++c)
    if (!strcmp (c->name, argv[1]))
      {
	long int value;
	size_t clen;
	char *cvalue;
	switch (c->call)
	  {
	  case PATHCONF:
	    if (argc < 3)
	      usage ();
	    errno = 0;
	    value = pathconf (argv[2], c->call_name);
	    if (value == -1)
	      {
		if (errno)
		  error (3, errno, "pathconf: %s", argv[2]);
		else
		  puts (_("undefined"));
	      }
	    else
	      printf ("%ld\n", value);
	    exit (0);

	  case SYSCONF:
	    if (argc > 2)
	      usage ();
	    value = sysconf (c->call_name);
	    if (value == -1l)
	      {
		if (c->call_name == _SC_UINT_MAX
		    || c->call_name == _SC_ULONG_MAX)
		  printf ("%lu\n", value);
		else
		  puts (_("undefined"));
	      }
	    else
	      printf ("%ld\n", value);
	    exit (0);

	  case CONFSTR:
	    if (argc > 2)
	      usage ();
	    clen = confstr (c->call_name, (char *) NULL, 0);
	    cvalue = (char *) malloc (clen);
	    if (cvalue == NULL)
	      error (3, 0, _("memory exhausted"));

	    if (confstr (c->call_name, cvalue, clen) != clen)
	      error (3, errno, "confstr");

	    printf ("%.*s\n", (int) clen, cvalue);
	    exit (0);
	  }
      }

  error (2, 0, _("Unrecognized variable `%s'"), argv[1]);
  /* NOTREACHED */
  return 2;
}