(specs): Change into structure array.
[kopensolaris-gnu/glibc.git] / posix / getconf.c
1 /* Copyright (C) 1991, 92, 1995-2003, 2004 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, write to the Free
16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17    02111-1307 USA.  */
18
19 #include <unistd.h>
20 #include <errno.h>
21 #include <error.h>
22 #include <libintl.h>
23 #include <locale.h>
24 #include <string.h>
25 #include <stdlib.h>
26 #include <stdio.h>
27
28 #include "../version.h"
29 #define PACKAGE _libc_intl_domainname
30
31 struct conf
32   {
33     const char *name;
34     const int call_name;
35     const enum { SYSCONF, CONFSTR, PATHCONF } call;
36   };
37
38 static const struct conf vars[] =
39   {
40 #ifdef _PC_LINK_MAX
41     { "LINK_MAX", _PC_LINK_MAX, PATHCONF },
42 #endif
43 #ifdef _PC_LINK_MAX
44     { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF },
45 #endif
46 #ifdef _PC_MAX_CANON
47     { "MAX_CANON", _PC_MAX_CANON, PATHCONF },
48 #endif
49 #ifdef _PC_MAX_CANON
50     { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF },
51 #endif
52 #ifdef _PC_MAX_INPUT
53     { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
54 #endif
55 #ifdef _PC_MAX_INPUT
56     { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
57 #endif
58 #ifdef _PC_NAME_MAX
59     { "NAME_MAX", _PC_NAME_MAX, PATHCONF },
60 #endif
61 #ifdef _PC_NAME_MAX
62     { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF },
63 #endif
64 #ifdef _PC_PATH_MAX
65     { "PATH_MAX", _PC_PATH_MAX, PATHCONF },
66 #endif
67 #ifdef _PC_PATH_MAX
68     { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF },
69 #endif
70 #ifdef _PC_PIPE_BUF
71     { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
72 #endif
73 #ifdef _PC_PIPE_BUF
74     { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
75 #endif
76 #ifdef _PC_SOCK_MAXBUF
77     { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF },
78 #endif
79 #ifdef _PC_ASYNC_IO
80     { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
81 #endif
82 #ifdef _PC_CHOWN_RESTRICTED
83     { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
84 #endif
85 #ifdef _PC_NO_TRUNC
86     { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
87 #endif
88 #ifdef _PC_PRIO_IO
89     { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
90 #endif
91 #ifdef _PC_SYNC_IO
92     { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
93 #endif
94 #ifdef _PC_VDISABLE
95     { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
96 #endif
97
98 #ifdef _SC_ARG_MAX
99     { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
100 #endif
101 #ifdef _SC_ATEXIT_MAX
102     { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF },
103 #endif
104 #ifdef _SC_CHAR_BIT
105     { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF },
106 #endif
107 #ifdef _SC_CHAR_MAX
108     { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF },
109 #endif
110 #ifdef _SC_CHAR_MIN
111     { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF },
112 #endif
113 #ifdef _SC_CHILD_MAX
114     { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
115 #endif
116 #ifdef _SC_CLK_TCK
117     { "CLK_TCK", _SC_CLK_TCK, SYSCONF },
118 #endif
119 #ifdef _SC_INT_MAX
120     { "INT_MAX", _SC_INT_MAX, SYSCONF },
121 #endif
122 #ifdef _SC_INT_MIN
123     { "INT_MIN", _SC_INT_MIN, SYSCONF },
124 #endif
125 #ifdef _SC_UIO_MAXIOV
126     { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF },
127 #endif
128 #ifdef _SC_LOGIN_NAME_MAX
129     { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
130 #endif
131 #ifdef _SC_LONG_BIT
132     { "LONG_BIT", _SC_LONG_BIT, SYSCONF },
133 #endif
134 #ifdef _SC_MB_LEN_MAX
135     { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF },
136 #endif
137 #ifdef _SC_NGROUPS_MAX
138     { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
139 #endif
140 #ifdef _SC_NL_ARGMAX
141     { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF },
142 #endif
143 #ifdef _SC_NL_LANGMAX
144     { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF },
145 #endif
146 #ifdef _SC_NL_MSGMAX
147     { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF },
148 #endif
149 #ifdef _SC_NL_NMAX
150     { "NL_NMAX", _SC_NL_NMAX, SYSCONF },
151 #endif
152 #ifdef _SC_NL_SETMAX
153     { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF },
154 #endif
155 #ifdef _SC_NL_TEXTMAX
156     { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF },
157 #endif
158 #ifdef _SC_GETGR_R_SIZE_MAX
159     { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF },
160 #endif
161 #ifdef _SC_GETPW_R_SIZE_MAX
162     { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF },
163 #endif
164 #ifdef _SC_NZERO
165     { "NZERO", _SC_NZERO, SYSCONF },
166 #endif
167 #ifdef _SC_OPEN_MAX
168     { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
169 #endif
170 #ifdef _SC_PAGESIZE
171     { "PAGESIZE", _SC_PAGESIZE, SYSCONF },
172 #endif
173 #ifdef _SC_PAGESIZE
174     { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF },
175 #endif
176 #ifdef _SC_PASS_MAX
177     { "PASS_MAX", _SC_PASS_MAX, SYSCONF },
178 #endif
179 #ifdef _SC_THREAD_DESTRUCTOR_ITERATIONS
180     { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF },
181 #endif
182 #ifdef _SC_THREAD_KEYS_MAX
183     { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF },
184 #endif
185 #ifdef _SC_THREAD_STACK_MIN
186     { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF },
187 #endif
188 #ifdef _SC_THREAD_THREADS_MAX
189     { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF },
190 #endif
191 #ifdef _SC_SCHAR_MAX
192     { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF },
193 #endif
194 #ifdef _SC_SCHAR_MIN
195     { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF },
196 #endif
197 #ifdef _SC_SHRT_MAX
198     { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF },
199 #endif
200 #ifdef _SC_SHRT_MIN
201     { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF },
202 #endif
203 #ifdef _SC_SSIZE_MAX
204     { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
205 #endif
206 #ifdef _SC_TTY_NAME_MAX
207     { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF },
208 #endif
209 #ifdef _SC_TZNAME_MAX
210     { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
211 #endif
212 #ifdef _SC_UCHAR_MAX
213     { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF },
214 #endif
215 #ifdef _SC_UINT_MAX
216     { "UINT_MAX", _SC_UINT_MAX, SYSCONF },
217 #endif
218 #ifdef _SC_UIO_MAXIOV
219     { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF },
220 #endif
221 #ifdef _SC_ULONG_MAX
222     { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF },
223 #endif
224 #ifdef _SC_USHRT_MAX
225     { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF },
226 #endif
227 #ifdef _SC_WORD_BIT
228     { "WORD_BIT", _SC_WORD_BIT, SYSCONF },
229 #endif
230 #ifdef _SC_AVPHYS_PAGES
231     { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF },
232 #endif
233 #ifdef _SC_NPROCESSORS_CONF
234     { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF },
235 #endif
236 #ifdef _SC_NPROCESSORS_ONLN
237     { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF },
238 #endif
239 #ifdef _SC_PHYS_PAGES
240     { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF },
241 #endif
242 #ifdef _SC_ARG_MAX
243     { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF },
244 #endif
245 #ifdef _SC_ASYNCHRONOUS_IO
246     { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
247 #endif
248 #ifdef _SC_CHILD_MAX
249     { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
250 #endif
251 #ifdef _SC_FSYNC
252     { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
253 #endif
254 #ifdef _SC_JOB_CONTROL
255     { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
256 #endif
257 #ifdef _SC_MAPPED_FILES
258     { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
259 #endif
260 #ifdef _SC_MEMLOCK
261     { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
262 #endif
263 #ifdef _SC_MEMLOCK_RANGE
264     { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
265 #endif
266 #ifdef _SC_MEMORY_PROTECTION
267     { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
268 #endif
269 #ifdef _SC_MESSAGE_PASSING
270     { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
271 #endif
272 #ifdef _SC_NGROUPS_MAX
273     { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
274 #endif
275 #ifdef _SC_OPEN_MAX
276     { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
277 #endif
278 #ifdef _SC_PII
279     { "_POSIX_PII", _SC_PII, SYSCONF },
280 #endif
281 #ifdef _SC_PII_INTERNET
282     { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF },
283 #endif
284 #ifdef _SC_PII_INTERNET_DGRAM
285     { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF },
286 #endif
287 #ifdef _SC_PII_INTERNET_STREAM
288     { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF },
289 #endif
290 #ifdef _SC_PII_OSI
291     { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF },
292 #endif
293 #ifdef _SC_PII_OSI_CLTS
294     { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF },
295 #endif
296 #ifdef _SC_PII_OSI_COTS
297     { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF },
298 #endif
299 #ifdef _SC_PII_OSI_M
300     { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF },
301 #endif
302 #ifdef _SC_PII_SOCKET
303     { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF },
304 #endif
305 #ifdef _SC_PII_XTI
306     { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF },
307 #endif
308 #ifdef _SC_POLL
309     { "_POSIX_POLL", _SC_POLL, SYSCONF },
310 #endif
311 #ifdef _SC_PRIORITIZED_IO
312     { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
313 #endif
314 #ifdef _SC_PRIORITY_SCHEDULING
315     { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
316 #endif
317 #ifdef _SC_REALTIME_SIGNALS
318     { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
319 #endif
320 #ifdef _SC_SAVED_IDS
321     { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
322 #endif
323 #ifdef _SC_SELECT
324     { "_POSIX_SELECT", _SC_SELECT, SYSCONF },
325 #endif
326 #ifdef _SC_SEMAPHORES
327     { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
328 #endif
329 #ifdef _SC_SHARED_MEMORY_OBJECTS
330     { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
331 #endif
332 #ifdef _SC_SSIZE_MAX
333     { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
334 #endif
335 #ifdef _SC_STREAM_MAX
336     { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
337 #endif
338 #ifdef _SC_SYNCHRONIZED_IO
339     { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
340 #endif
341 #ifdef _SC_THREADS
342     { "_POSIX_THREADS", _SC_THREADS, SYSCONF },
343 #endif
344 #ifdef _SC_THREAD_ATTR_STACKADDR
345     { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF },
346 #endif
347 #ifdef _SC_THREAD_ATTR_STACKSIZE
348     { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF },
349 #endif
350 #ifdef _SC_THREAD_PRIORITY_SCHEDULING
351     { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF },
352 #endif
353 #ifdef _SC_THREAD_PRIO_INHERIT
354     { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF },
355 #endif
356 #ifdef _SC_THREAD_PRIO_PROTECT
357     { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF },
358 #endif
359 #ifdef _SC_THREAD_PROCESS_SHARED
360     { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF },
361 #endif
362 #ifdef _SC_THREAD_SAFE_FUNCTIONS
363     { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF },
364 #endif
365 #ifdef _SC_TIMERS
366     { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
367 #endif
368 #ifdef _SC_TIMER_MAX
369     { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF },
370 #endif
371 #ifdef _SC_TZNAME_MAX
372     { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
373 #endif
374 #ifdef _SC_VERSION
375     { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
376 #endif
377 #ifdef _SC_T_IOV_MAX
378     { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF },
379 #endif
380 #ifdef _SC_XOPEN_CRYPT
381     { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF },
382 #endif
383 #ifdef _SC_XOPEN_ENH_I18N
384     { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF },
385 #endif
386 #ifdef _SC_XOPEN_LEGACY
387     { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF },
388 #endif
389 #ifdef _SC_XOPEN_REALTIME
390     { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF },
391 #endif
392 #ifdef _SC_XOPEN_REALTIME_THREADS
393     { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF },
394 #endif
395 #ifdef _SC_XOPEN_SHM
396     { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF },
397 #endif
398 #ifdef _SC_XOPEN_UNIX
399     { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF },
400 #endif
401 #ifdef _SC_XOPEN_VERSION
402     { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF },
403 #endif
404 #ifdef _SC_XOPEN_XCU_VERSION
405     { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF },
406 #endif
407 #ifdef _SC_XOPEN_XPG2
408     { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF },
409 #endif
410 #ifdef _SC_XOPEN_XPG3
411     { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF },
412 #endif
413 #ifdef _SC_XOPEN_XPG4
414     { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF },
415 #endif
416     /* POSIX.2  */
417 #ifdef _SC_BC_BASE_MAX
418     { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
419 #endif
420 #ifdef _SC_BC_DIM_MAX
421     { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
422 #endif
423 #ifdef _SC_BC_SCALE_MAX
424     { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
425 #endif
426 #ifdef _SC_BC_STRING_MAX
427     { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
428 #endif
429     { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF },
430 #ifdef _SC_COLL_WEIGHTS_MAX
431     { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
432 #endif
433 #ifdef _SC_EQUIV_CLASS_MAX
434     { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF },
435 #endif
436 #ifdef _SC_EXPR_NEST_MAX
437     { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
438 #endif
439 #ifdef _SC_LINE_MAX
440     { "LINE_MAX", _SC_LINE_MAX, SYSCONF },
441 #endif
442 #ifdef _SC_BC_BASE_MAX
443     { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
444 #endif
445 #ifdef _SC_BC_DIM_MAX
446     { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
447 #endif
448 #ifdef _SC_BC_SCALE_MAX
449     { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
450 #endif
451 #ifdef _SC_BC_STRING_MAX
452     { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
453 #endif
454 #ifdef _SC_2_CHAR_TERM
455     { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF },
456 #endif
457 #ifdef _SC_COLL_WEIGHTS_MAX
458     { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
459 #endif
460 #ifdef _SC_2_C_BIND
461     { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF },
462 #endif
463 #ifdef _SC_2_C_DEV
464     { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF },
465 #endif
466 #ifdef _SC_2_C_VERSION
467     { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF },
468 #endif
469 #ifdef _SC_EXPR_NEST_MAX
470     { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
471 #endif
472 #ifdef _SC_2_FORT_DEV
473     { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF },
474 #endif
475 #ifdef _SC_2_FORT_RUN
476     { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF },
477 #endif
478 #ifdef _SC_LINE_MAX
479     { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
480 #endif
481 #ifdef _SC_2_LOCALEDEF
482     { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF },
483 #endif
484 #ifdef _SC_RE_DUP_MAX
485     { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
486 #endif
487 #ifdef _SC_2_SW_DEV
488     { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF },
489 #endif
490 #ifdef _SC_2_UPE
491     { "POSIX2_UPE", _SC_2_UPE, SYSCONF },
492 #endif
493 #ifdef _SC_2_VERSION
494     { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF },
495 #endif
496 #ifdef _SC_RE_DUP_MAX
497     { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
498 #endif
499
500 #ifdef _CS_PATH
501     { "PATH", _CS_PATH, CONFSTR },
502     { "CS_PATH", _CS_PATH, CONFSTR },
503 #endif
504
505     /* LFS */
506 #ifdef _CS_LFS_CFLAGS
507     { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR },
508 #endif
509 #ifdef _CS_LFS_LDFLAGS
510     { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR },
511 #endif
512 #ifdef _CS_LFS_LIBS
513     { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR },
514 #endif
515 #ifdef _CS_LFS_LINTFLAGS
516     { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR },
517 #endif
518 #ifdef _CS_LFS64_CFLAGS
519     { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR },
520 #endif
521 #ifdef _CS_LFS64_LDFLAGS
522     { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR },
523 #endif
524 #ifdef _CS_LFS64_LIBS
525     { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR },
526 #endif
527 #ifdef _CS_LFS64_LINTFLAGS
528     { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR },
529 #endif
530
531     /* Programming environments.  */
532 #ifdef _SC_XBS5_ILP32_OFF32
533     { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF },
534 #endif
535 #ifdef _CS_XBS5_ILP32_OFF32_CFLAGS
536     { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR },
537 #endif
538 #ifdef _CS_XBS5_ILP32_OFF32_LDFLAGS
539     { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR },
540 #endif
541 #ifdef _CS_XBS5_ILP32_OFF32_LIBS
542     { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR },
543 #endif
544 #ifdef _CS_XBS5_ILP32_OFF32_LINTFLAGS
545     { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR },
546 #endif
547
548 #ifdef _SC_XBS5_ILP32_OFFBIG
549     { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF },
550 #endif
551 #ifdef _CS_XBS5_ILP32_OFFBIG_CFLAGS
552     { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR },
553 #endif
554 #ifdef _CS_XBS5_ILP32_OFFBIG_LDFLAGS
555     { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR },
556 #endif
557 #ifdef _CS_XBS5_ILP32_OFFBIG_LIBS
558     { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR },
559 #endif
560 #ifdef _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
561     { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
562 #endif
563
564 #ifdef _SC_XBS5_LP64_OFF64
565     { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF },
566 #endif
567 #ifdef _CS_XBS5_LP64_OFF64_CFLAGS
568     { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR },
569 #endif
570 #ifdef _CS_XBS5_LP64_OFF64_LDFLAGS
571     { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR },
572 #endif
573 #ifdef _CS_XBS5_LP64_OFF64_LIBS
574     { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR },
575 #endif
576 #ifdef _CS_XBS5_LP64_OFF64_LINTFLAGS
577     { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR },
578 #endif
579
580 #ifdef _SC_XBS5_LPBIG_OFFBIG
581     { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF },
582 #endif
583 #ifdef _CS_XBS5_LPBIG_OFFBIG_CFLAGS
584     { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR },
585 #endif
586 #ifdef _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
587     { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
588 #endif
589 #ifdef _CS_XBS5_LPBIG_OFFBIG_LIBS
590     { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR },
591 #endif
592 #ifdef _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
593     { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
594 #endif
595
596 #ifdef _SC_V6_ILP32_OFF32
597     { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF },
598 #endif
599 #ifdef _CS_POSIX_V6_ILP32_OFF32_CFLAGS
600     { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR },
601 #endif
602 #ifdef _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
603     { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR },
604 #endif
605 #ifdef _CS_POSIX_V6_ILP32_OFF32_LIBS
606     { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR },
607 #endif
608 #ifdef _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
609     { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR },
610 #endif
611
612 #ifdef _CS_V6_WIDTH_RESTRICTED_ENVS
613     { "_POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
614 #endif
615
616 #ifdef _SC_V6_ILP32_OFFBIG
617     { "_POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG, SYSCONF },
618 #endif
619 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
620     { "POSIX_V6_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, CONFSTR },
621 #endif
622 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
623     { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, CONFSTR },
624 #endif
625 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LIBS
626     { "POSIX_V6_ILP32_OFFBIG_LIBS", _CS_POSIX_V6_ILP32_OFFBIG_LIBS, CONFSTR },
627 #endif
628 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
629     { "POSIX_V6_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
630 #endif
631
632 #ifdef _SC_V6_LP64_OFF64
633     { "_POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64, SYSCONF },
634 #endif
635 #ifdef _CS_POSIX_V6_LP64_OFF64_CFLAGS
636     { "POSIX_V6_LP64_OFF64_CFLAGS", _CS_POSIX_V6_LP64_OFF64_CFLAGS, CONFSTR },
637 #endif
638 #ifdef _CS_POSIX_V6_LP64_OFF64_LDFLAGS
639     { "POSIX_V6_LP64_OFF64_LDFLAGS", _CS_POSIX_V6_LP64_OFF64_LDFLAGS, CONFSTR },
640 #endif
641 #ifdef _CS_POSIX_V6_LP64_OFF64_LIBS
642     { "POSIX_V6_LP64_OFF64_LIBS", _CS_POSIX_V6_LP64_OFF64_LIBS, CONFSTR },
643 #endif
644 #ifdef _CS_POSIX_V6_LP64_OFF64_LINTFLAGS
645     { "POSIX_V6_LP64_OFF64_LINTFLAGS", _CS_POSIX_V6_LP64_OFF64_LINTFLAGS, CONFSTR },
646 #endif
647
648 #ifdef _SC_V6_LPBIG_OFFBIG
649     { "_POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG, SYSCONF },
650 #endif
651 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
652     { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, CONFSTR },
653 #endif
654 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
655     { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
656 #endif
657 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
658     { "POSIX_V6_LPBIG_OFFBIG_LIBS", _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, CONFSTR },
659 #endif
660 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
661     { "POSIX_V6_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
662 #endif
663
664 #ifdef _SC_ADVISORY_INFO
665     { "_POSIX_ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF },
666 #endif
667 #ifdef _SC_BARRIERS
668     { "_POSIX_BARRIERS", _SC_BARRIERS, SYSCONF },
669 #endif
670 #ifdef _SC_BASE
671     { "_POSIX_BASE", _SC_BASE, SYSCONF },
672 #endif
673 #ifdef _SC_C_LANG_SUPPORT
674     { "_POSIX_C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF },
675 #endif
676 #ifdef _SC_C_LANG_SUPPORT_R
677     { "_POSIX_C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF },
678 #endif
679 #ifdef _SC_CLOCK_SELECTION
680     { "_POSIX_CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF },
681 #endif
682 #ifdef _SC_CPUTIME
683     { "_POSIX_CPUTIME", _SC_CPUTIME, SYSCONF },
684 #endif
685 #ifdef _SC_THREAD_CPUTIME
686     { "_POSIX_THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF },
687 #endif
688 #ifdef _SC_DEVICE_SPECIFIC
689     { "_POSIX_DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF },
690 #endif
691 #ifdef _SC_DEVICE_SPECIFIC_R
692     { "_POSIX_DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF },
693 #endif
694 #ifdef _SC_FD_MGMT
695     { "_POSIX_FD_MGMT", _SC_FD_MGMT, SYSCONF },
696 #endif
697 #ifdef _SC_FIFO
698     { "_POSIX_FIFO", _SC_FIFO, SYSCONF },
699 #endif
700 #ifdef _SC_PIPE
701     { "_POSIX_PIPE", _SC_PIPE, SYSCONF },
702 #endif
703 #ifdef _SC_FILE_ATTRIBUTES
704     { "_POSIX_FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF },
705 #endif
706 #ifdef _SC_FILE_LOCKING
707     { "_POSIX_FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF },
708 #endif
709 #ifdef _SC_FILE_SYSTEM
710     { "_POSIX_FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF },
711 #endif
712 #ifdef _SC_MONOTONIC_CLOCK
713     { "_POSIX_MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF },
714 #endif
715 #ifdef _SC_MULTI_PROCESS
716     { "_POSIX_MULTI_PROCESS", _SC_MULTI_PROCESS, SYSCONF },
717 #endif
718 #ifdef _SC_SINGLE_PROCESS
719     { "_POSIX_SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF },
720 #endif
721 #ifdef _SC_NETWORKING
722     { "_POSIX_NETWORKING", _SC_NETWORKING, SYSCONF },
723 #endif
724 #ifdef _SC_READER_WRITER_LOCKS
725     { "_POSIX_READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF },
726 #endif
727 #ifdef _SC_SPIN_LOCKS
728     { "_POSIX_SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF },
729 #endif
730 #ifdef _SC_REGEXP
731     { "_POSIX_REGEXP", _SC_REGEXP, SYSCONF },
732 #endif
733 #ifdef _SC_REGEX_VERSION
734     { "_REGEX_VERSION", _SC_REGEX_VERSION, SYSCONF },
735 #endif
736 #ifdef _SC_SHELL
737     { "_POSIX_SHELL", _SC_SHELL, SYSCONF },
738 #endif
739 #ifdef _SC_SIGNALS
740     { "_POSIX_SIGNALS", _SC_SIGNALS, SYSCONF },
741 #endif
742 #ifdef _SC_SPAWN
743     { "_POSIX_SPAWN", _SC_SPAWN, SYSCONF },
744 #endif
745 #ifdef _SC_SPORADIC_SERVER
746     { "_POSIX_SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF },
747 #endif
748 #ifdef _SC_THREAD_SPORADIC_SERVER
749     { "_POSIX_THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF },
750 #endif
751 #ifdef _SC_SYSTEM_DATABASE
752     { "_POSIX_SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF },
753 #endif
754 #ifdef _SC_SYSTEM_DATABASE_R
755     { "_POSIX_SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF },
756 #endif
757 #ifdef _SC_TIMEOUTS
758     { "_POSIX_TIMEOUTS", _SC_TIMEOUTS, SYSCONF },
759 #endif
760 #ifdef _SC_TYPED_MEMORY_OBJECTS
761     { "_POSIX_TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF },
762 #endif
763 #ifdef _SC_USER_GROUPS
764     { "_POSIX_USER_GROUPS", _SC_USER_GROUPS, SYSCONF },
765 #endif
766 #ifdef _SC_USER_GROUPS_R
767     { "_POSIX_USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF },
768 #endif
769 #ifdef _SC_2_PBS
770     { "POSIX2_PBS", _SC_2_PBS, SYSCONF },
771 #endif
772 #ifdef _SC_2_PBS_ACCOUNTING
773     { "POSIX2_PBS_ACCOUNTING", _SC_2_PBS_ACCOUNTING, SYSCONF },
774 #endif
775 #ifdef _SC_2_PBS_LOCATE
776     { "POSIX2_PBS_LOCATE", _SC_2_PBS_LOCATE, SYSCONF },
777 #endif
778 #ifdef _SC_2_PBS_TRACK
779     { "POSIX2_PBS_TRACK", _SC_2_PBS_TRACK, SYSCONF },
780 #endif
781 #ifdef _SC_2_PBS_MESSAGE
782     { "POSIX2_PBS_MESSAGE", _SC_2_PBS_MESSAGE, SYSCONF },
783 #endif
784 #ifdef _SC_SYMLOOP_MAX
785     { "SYMLOOP_MAX", _SC_SYMLOOP_MAX, SYSCONF },
786 #endif
787 #ifdef _SC_STREAM_MAX
788     { "STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
789 #endif
790 #ifdef _SC_AIO_LISTIO_MAX
791     { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX, SYSCONF },
792 #endif
793 #ifdef _SC_AIO_MAX
794     { "AIO_MAX", _SC_AIO_MAX, SYSCONF },
795 #endif
796 #ifdef _SC_AIO_PRIO_DELTA_MAX
797     { "AIO_PRIO_DELTA_MAX", _SC_AIO_PRIO_DELTA_MAX, SYSCONF },
798 #endif
799 #ifdef _SC_DELAYTIMER_MAX
800     { "DELAYTIMER_MAX", _SC_DELAYTIMER_MAX, SYSCONF },
801 #endif
802 #ifdef _SC_HOST_NAME_MAX
803     { "HOST_NAME_MAX", _SC_HOST_NAME_MAX, SYSCONF },
804 #endif
805 #ifdef _SC_LOGIN_NAME_MAX
806     { "LOGIN_NAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
807 #endif
808 #ifdef _SC_MQ_OPEN_MAX
809     { "MQ_OPEN_MAX", _SC_MQ_OPEN_MAX, SYSCONF },
810 #endif
811 #ifdef _SC_MQ_PRIO_MAX
812     { "MQ_PRIO_MAX", _SC_MQ_PRIO_MAX, SYSCONF },
813 #endif
814 #ifdef _SC_DEVICE_IO
815     { "_POSIX_DEVICE_IO", _SC_DEVICE_IO, SYSCONF },
816 #endif
817 #ifdef _SC_TRACE
818     { "_POSIX_TRACE", _SC_TRACE, SYSCONF },
819 #endif
820 #ifdef _SC_TRACE_EVENT_FILTER
821     { "_POSIX_TRACE_EVENT_FILTER", _SC_TRACE_EVENT_FILTER, SYSCONF },
822 #endif
823 #ifdef _SC_TRACE_INHERIT
824     { "_POSIX_TRACE_INHERIT", _SC_TRACE_INHERIT, SYSCONF },
825 #endif
826 #ifdef _SC_TRACE_LOG
827     { "_POSIX_TRACE_LOG", _SC_TRACE_LOG, SYSCONF },
828 #endif
829 #ifdef _SC_RTSIG_MAX
830     { "RTSIG_MAX", _SC_RTSIG_MAX, SYSCONF },
831 #endif
832 #ifdef _SC_SEM_NSEMS_MAX
833     { "SEM_NSEMS_MAX", _SC_SEM_NSEMS_MAX, SYSCONF },
834 #endif
835 #ifdef _SC_SEM_VALUE_MAX
836     { "SEM_VALUE_MAX", _SC_SEM_VALUE_MAX, SYSCONF },
837 #endif
838 #ifdef _SC_SIGQUEUE_MAX
839     { "SIGQUEUE_MAX", _SC_SIGQUEUE_MAX, SYSCONF },
840 #endif
841 #ifdef _PC_FILESIZEBITS
842     { "FILESIZEBITS", _PC_FILESIZEBITS, PATHCONF },
843 #endif
844 #ifdef _PC_ALLOC_SIZE_MIN
845     { "POSIX_ALLOC_SIZE_MIN", _PC_ALLOC_SIZE_MIN, PATHCONF },
846 #endif
847 #ifdef _PC_REC_INCR_XFER_SIZE
848     { "POSIX_REC_INCR_XFER_SIZE", _PC_REC_INCR_XFER_SIZE, PATHCONF },
849 #endif
850 #ifdef _PC_REC_MAX_XFER_SIZE
851     { "POSIX_REC_MAX_XFER_SIZE", _PC_REC_MAX_XFER_SIZE, PATHCONF },
852 #endif
853 #ifdef _PC_REC_MIN_XFER_SIZE
854     { "POSIX_REC_MIN_XFER_SIZE", _PC_REC_MIN_XFER_SIZE, PATHCONF },
855 #endif
856 #ifdef _PC_REC_XFER_ALIGN
857     { "POSIX_REC_XFER_ALIGN", _PC_REC_XFER_ALIGN, PATHCONF },
858 #endif
859 #ifdef _PC_SYMLINK_MAX
860     { "SYMLINK_MAX", _PC_SYMLINK_MAX, PATHCONF },
861 #endif
862 #ifdef _CS_GNU_LIBC_VERSION
863     { "GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION, CONFSTR },
864 #endif
865 #ifdef _CS_GNU_LIBPTHREAD_VERSION
866     { "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR },
867 #endif
868 #ifdef _PC_2_SYMLINKS
869     { "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF },
870 #endif
871
872 #ifdef _SC_LEVEL1_ICACHE_SIZE
873     { "LEVEL1_ICACHE_SIZE", _SC_LEVEL1_ICACHE_SIZE, SYSCONF },
874 #endif
875 #ifdef _SC_LEVEL1_ICACHE_ASSOC
876     { "LEVEL1_ICACHE_ASSOC", _SC_LEVEL1_ICACHE_ASSOC, SYSCONF },
877 #endif
878 #ifdef _SC_LEVEL1_ICACHE_LINESIZE
879     { "LEVEL1_ICACHE_LINESIZE", _SC_LEVEL1_ICACHE_LINESIZE, SYSCONF },
880 #endif
881 #ifdef _SC_LEVEL1_DCACHE_SIZE
882     { "LEVEL1_DCACHE_SIZE", _SC_LEVEL1_DCACHE_SIZE, SYSCONF },
883 #endif
884 #ifdef _SC_LEVEL1_DCACHE_ASSOC
885     { "LEVEL1_DCACHE_ASSOC", _SC_LEVEL1_DCACHE_ASSOC, SYSCONF },
886 #endif
887 #ifdef _SC_LEVEL1_DCACHE_LINESIZE
888     { "LEVEL1_DCACHE_LINESIZE", _SC_LEVEL1_DCACHE_LINESIZE, SYSCONF },
889 #endif
890 #ifdef _SC_LEVEL2_CACHE_SIZE
891     { "LEVEL2_CACHE_SIZE", _SC_LEVEL2_CACHE_SIZE, SYSCONF },
892 #endif
893 #ifdef _SC_LEVEL2_CACHE_ASSOC
894     { "LEVEL2_CACHE_ASSOC", _SC_LEVEL2_CACHE_ASSOC, SYSCONF },
895 #endif
896 #ifdef _SC_LEVEL2_CACHE_LINESIZE
897     { "LEVEL2_CACHE_LINESIZE", _SC_LEVEL2_CACHE_LINESIZE, SYSCONF },
898 #endif
899 #ifdef _SC_LEVEL3_CACHE_SIZE
900     { "LEVEL3_CACHE_SIZE", _SC_LEVEL3_CACHE_SIZE, SYSCONF },
901 #endif
902 #ifdef _SC_LEVEL3_CACHE_ASSOC
903     { "LEVEL3_CACHE_ASSOC", _SC_LEVEL3_CACHE_ASSOC, SYSCONF },
904 #endif
905 #ifdef _SC_LEVEL3_CACHE_LINESIZE
906     { "LEVEL3_CACHE_LINESIZE", _SC_LEVEL3_CACHE_LINESIZE, SYSCONF },
907 #endif
908 #ifdef _SC_LEVEL4_CACHE_SIZE
909     { "LEVEL4_CACHE_SIZE", _SC_LEVEL4_CACHE_SIZE, SYSCONF },
910 #endif
911 #ifdef _SC_LEVEL4_CACHE_ASSOC
912     { "LEVEL4_CACHE_ASSOC", _SC_LEVEL4_CACHE_ASSOC, SYSCONF },
913 #endif
914
915
916     { NULL, 0, SYSCONF }
917   };
918
919
920 static struct { const char *name; int num; } specs[] =
921   {
922     { "POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32 },
923     { "POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG },
924     { "POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64 },
925     { "POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG }
926   };
927 static const int nspecs = sizeof (specs) / sizeof (specs[0]);
928
929 extern const char *__progname;
930
931
932 static void
933 usage (void)
934 {
935   fprintf (stderr,
936            _("Usage: %s [-v specification] variable_name [pathname]\n"),
937            __progname);
938   exit (2);
939 }
940
941 int
942 main (int argc, char *argv[])
943 {
944   register const struct conf *c;
945
946   /* Set locale.  Do not set LC_ALL because the other categories must
947      not be affected (according to POSIX.2).  */
948   setlocale (LC_CTYPE, "");
949   setlocale (LC_MESSAGES, "");
950
951   /* Initialize the message catalog.  */
952   textdomain (PACKAGE);
953
954   if (argc > 1 && strcmp (argv[1], "--version") == 0)
955     {
956       fprintf (stderr, "getconf (GNU %s) %s\n", PACKAGE, VERSION);
957       fprintf (stderr, gettext ("\
958 Copyright (C) %s Free Software Foundation, Inc.\n\
959 This is free software; see the source for copying conditions.  There is NO\n\
960 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
961 "), "2004");
962       fprintf (stderr, gettext ("Written by %s.\n"), "Roland McGrath");
963       return 0;
964     }
965
966   const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR;
967   size_t getconf_dirlen = strlen (getconf_dir);
968
969   const char *spec = NULL;
970   char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"];
971   char *argv0 = argv[0];
972   if (argc > 1 && strncmp (argv[1], "-v", 2) == 0)
973     {
974       if (argv[1][2] == '\0')
975         {
976           if (argc < 3)
977             usage ();
978
979           spec = argv[2];
980           argv += 2;
981           argc -= 2;
982         }
983       else
984         {
985           spec = &argv[1][2];
986           argv += 1;
987           argc += 1;
988         }
989     }
990   else
991     {
992       char default_name[getconf_dirlen + sizeof "/default"];
993       memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen),
994               "/default", sizeof "/default");
995       int len = readlink (default_name, buf, sizeof buf - 1);
996       if (len > 0)
997         {
998           buf[len] = '\0';
999           spec = buf;
1000         }
1001     }
1002
1003   /* Check for the specifications we know.  */
1004   if (spec != NULL)
1005     {
1006       int i;
1007       for (i = 0; i < nspecs; ++i)
1008         if (strcmp (spec, specs[i].name) == 0)
1009           break;
1010
1011       if (i == nspecs)
1012         error (2, 0, _("unknown specification \"%s\""), spec);
1013
1014       switch (specs[i].num)
1015         {
1016 #ifndef _POSIX_V6_ILP32_OFF32
1017           case _SC_V6_ILP32_OFF32:
1018 #endif
1019 #ifndef _POSIX_V6_ILP32_OFFBIG
1020           case _SC_V6_ILP32_OFFBIG:
1021 #endif
1022 #ifndef _POSIX_V6_LP64_OFF64
1023           case _SC_V6_LP64_OFF64:
1024 #endif
1025 #ifndef _POSIX_V6_LPBIG_OFFBIG
1026           case _SC_V6_LPBIG_OFFBIG:
1027 #endif
1028             {
1029               const char *args[argc + 3];
1030               size_t spec_len = strlen (spec);
1031               char getconf_name[getconf_dirlen + 2 + spec_len + 1];
1032               memcpy (mempcpy (mempcpy (getconf_name, getconf_dir,
1033                                         getconf_dirlen),
1034                                "/_", 2), spec, spec_len + 1);
1035               args[0] = argv0;
1036               args[1] = "-v";
1037               args[2] = spec;
1038               memcpy (&args[3], &argv[1], argc * sizeof (argv[1]));
1039               execv (getconf_name, (char * const *) args);
1040               error (4, errno, _("Couldn't execute %s"), getconf_name);
1041             }
1042           default:
1043             break;
1044         }
1045     }
1046
1047   if (argc < 2 || argc > 3)
1048     usage ();
1049
1050   for (c = vars; c->name != NULL; ++c)
1051     if (strcmp (c->name, argv[1]) == 0
1052         || (strncmp (c->name, "_POSIX_", 7) == 0
1053             && strcmp (c->name + 7, argv[1]) == 0))
1054       {
1055         long int value;
1056         size_t clen;
1057         char *cvalue;
1058         switch (c->call)
1059           {
1060           case PATHCONF:
1061             if (argc < 3)
1062               usage ();
1063             errno = 0;
1064             value = pathconf (argv[2], c->call_name);
1065             if (value == -1)
1066               {
1067                 if (errno)
1068                   error (3, errno, "pathconf: %s", argv[2]);
1069                 else
1070                   puts (_("undefined"));
1071               }
1072             else
1073               printf ("%ld\n", value);
1074             exit (0);
1075
1076           case SYSCONF:
1077             if (argc > 2)
1078               usage ();
1079             value = sysconf (c->call_name);
1080             if (value == -1l)
1081               {
1082                 if (c->call_name == _SC_UINT_MAX
1083                     || c->call_name == _SC_ULONG_MAX)
1084                   printf ("%lu\n", value);
1085                 else
1086                   puts (_("undefined"));
1087               }
1088             else
1089               printf ("%ld\n", value);
1090             exit (0);
1091
1092           case CONFSTR:
1093             if (argc > 2)
1094               usage ();
1095             clen = confstr (c->call_name, (char *) NULL, 0);
1096             cvalue = (char *) malloc (clen);
1097             if (cvalue == NULL)
1098               error (3, 0, _("memory exhausted"));
1099
1100             if (confstr (c->call_name, cvalue, clen) != clen)
1101               error (3, errno, "confstr");
1102
1103             printf ("%.*s\n", (int) clen, cvalue);
1104             exit (0);
1105           }
1106       }
1107
1108   error (2, 0, _("Unrecognized variable `%s'"), argv[1]);
1109   /* NOTREACHED */
1110   return 2;
1111 }