Use GPL, not LGPL.
[kopensolaris-gnu/glibc.git] / posix / getconf.c
1 /* Copyright (C) 1991, 92, 1995-2004, 2005 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3
4    This program is free software; you can redistribute it and/or modify
5    it under the terms of the GNU General Public License version 2 as
6    published by the Free Software Foundation.
7
8    This program is distributed in the hope that it will be useful,
9    but WITHOUT ANY WARRANTY; without even the implied warranty of
10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11    GNU General Public License for more details.
12
13    You should have received a copy of the GNU General Public License
14    along with this program; if not, write to the Free Software Foundation,
15    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
16
17 #include <unistd.h>
18 #include <errno.h>
19 #include <error.h>
20 #include <libintl.h>
21 #include <locale.h>
22 #include <string.h>
23 #include <stdlib.h>
24 #include <stdio.h>
25
26 #include "../version.h"
27 #define PACKAGE _libc_intl_domainname
28
29 struct conf
30   {
31     const char *name;
32     const int call_name;
33     const enum { SYSCONF, CONFSTR, PATHCONF } call;
34   };
35
36 static const struct conf vars[] =
37   {
38 #ifdef _PC_LINK_MAX
39     { "LINK_MAX", _PC_LINK_MAX, PATHCONF },
40 #endif
41 #ifdef _PC_LINK_MAX
42     { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF },
43 #endif
44 #ifdef _PC_MAX_CANON
45     { "MAX_CANON", _PC_MAX_CANON, PATHCONF },
46 #endif
47 #ifdef _PC_MAX_CANON
48     { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF },
49 #endif
50 #ifdef _PC_MAX_INPUT
51     { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
52 #endif
53 #ifdef _PC_MAX_INPUT
54     { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
55 #endif
56 #ifdef _PC_NAME_MAX
57     { "NAME_MAX", _PC_NAME_MAX, PATHCONF },
58 #endif
59 #ifdef _PC_NAME_MAX
60     { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF },
61 #endif
62 #ifdef _PC_PATH_MAX
63     { "PATH_MAX", _PC_PATH_MAX, PATHCONF },
64 #endif
65 #ifdef _PC_PATH_MAX
66     { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF },
67 #endif
68 #ifdef _PC_PIPE_BUF
69     { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
70 #endif
71 #ifdef _PC_PIPE_BUF
72     { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
73 #endif
74 #ifdef _PC_SOCK_MAXBUF
75     { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF },
76 #endif
77 #ifdef _PC_ASYNC_IO
78     { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
79 #endif
80 #ifdef _PC_CHOWN_RESTRICTED
81     { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
82 #endif
83 #ifdef _PC_NO_TRUNC
84     { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
85 #endif
86 #ifdef _PC_PRIO_IO
87     { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
88 #endif
89 #ifdef _PC_SYNC_IO
90     { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
91 #endif
92 #ifdef _PC_VDISABLE
93     { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
94 #endif
95
96 #ifdef _SC_ARG_MAX
97     { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
98 #endif
99 #ifdef _SC_ATEXIT_MAX
100     { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF },
101 #endif
102 #ifdef _SC_CHAR_BIT
103     { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF },
104 #endif
105 #ifdef _SC_CHAR_MAX
106     { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF },
107 #endif
108 #ifdef _SC_CHAR_MIN
109     { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF },
110 #endif
111 #ifdef _SC_CHILD_MAX
112     { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
113 #endif
114 #ifdef _SC_CLK_TCK
115     { "CLK_TCK", _SC_CLK_TCK, SYSCONF },
116 #endif
117 #ifdef _SC_INT_MAX
118     { "INT_MAX", _SC_INT_MAX, SYSCONF },
119 #endif
120 #ifdef _SC_INT_MIN
121     { "INT_MIN", _SC_INT_MIN, SYSCONF },
122 #endif
123 #ifdef _SC_UIO_MAXIOV
124     { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF },
125 #endif
126 #ifdef _SC_LOGIN_NAME_MAX
127     { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
128 #endif
129 #ifdef _SC_LONG_BIT
130     { "LONG_BIT", _SC_LONG_BIT, SYSCONF },
131 #endif
132 #ifdef _SC_MB_LEN_MAX
133     { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF },
134 #endif
135 #ifdef _SC_NGROUPS_MAX
136     { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
137 #endif
138 #ifdef _SC_NL_ARGMAX
139     { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF },
140 #endif
141 #ifdef _SC_NL_LANGMAX
142     { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF },
143 #endif
144 #ifdef _SC_NL_MSGMAX
145     { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF },
146 #endif
147 #ifdef _SC_NL_NMAX
148     { "NL_NMAX", _SC_NL_NMAX, SYSCONF },
149 #endif
150 #ifdef _SC_NL_SETMAX
151     { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF },
152 #endif
153 #ifdef _SC_NL_TEXTMAX
154     { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF },
155 #endif
156 #ifdef _SC_GETGR_R_SIZE_MAX
157     { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF },
158 #endif
159 #ifdef _SC_GETPW_R_SIZE_MAX
160     { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF },
161 #endif
162 #ifdef _SC_NZERO
163     { "NZERO", _SC_NZERO, SYSCONF },
164 #endif
165 #ifdef _SC_OPEN_MAX
166     { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
167 #endif
168 #ifdef _SC_PAGESIZE
169     { "PAGESIZE", _SC_PAGESIZE, SYSCONF },
170 #endif
171 #ifdef _SC_PAGESIZE
172     { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF },
173 #endif
174 #ifdef _SC_PASS_MAX
175     { "PASS_MAX", _SC_PASS_MAX, SYSCONF },
176 #endif
177 #ifdef _SC_THREAD_DESTRUCTOR_ITERATIONS
178     { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF },
179 #endif
180 #ifdef _SC_THREAD_KEYS_MAX
181     { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF },
182 #endif
183 #ifdef _SC_THREAD_STACK_MIN
184     { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF },
185 #endif
186 #ifdef _SC_THREAD_THREADS_MAX
187     { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF },
188 #endif
189 #ifdef _SC_SCHAR_MAX
190     { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF },
191 #endif
192 #ifdef _SC_SCHAR_MIN
193     { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF },
194 #endif
195 #ifdef _SC_SHRT_MAX
196     { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF },
197 #endif
198 #ifdef _SC_SHRT_MIN
199     { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF },
200 #endif
201 #ifdef _SC_SSIZE_MAX
202     { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
203 #endif
204 #ifdef _SC_TTY_NAME_MAX
205     { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF },
206 #endif
207 #ifdef _SC_TZNAME_MAX
208     { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
209 #endif
210 #ifdef _SC_UCHAR_MAX
211     { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF },
212 #endif
213 #ifdef _SC_UINT_MAX
214     { "UINT_MAX", _SC_UINT_MAX, SYSCONF },
215 #endif
216 #ifdef _SC_UIO_MAXIOV
217     { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF },
218 #endif
219 #ifdef _SC_ULONG_MAX
220     { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF },
221 #endif
222 #ifdef _SC_USHRT_MAX
223     { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF },
224 #endif
225 #ifdef _SC_WORD_BIT
226     { "WORD_BIT", _SC_WORD_BIT, SYSCONF },
227 #endif
228 #ifdef _SC_AVPHYS_PAGES
229     { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF },
230 #endif
231 #ifdef _SC_NPROCESSORS_CONF
232     { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF },
233 #endif
234 #ifdef _SC_NPROCESSORS_ONLN
235     { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF },
236 #endif
237 #ifdef _SC_PHYS_PAGES
238     { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF },
239 #endif
240 #ifdef _SC_ARG_MAX
241     { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF },
242 #endif
243 #ifdef _SC_ASYNCHRONOUS_IO
244     { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
245 #endif
246 #ifdef _SC_CHILD_MAX
247     { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
248 #endif
249 #ifdef _SC_FSYNC
250     { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
251 #endif
252 #ifdef _SC_JOB_CONTROL
253     { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
254 #endif
255 #ifdef _SC_MAPPED_FILES
256     { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
257 #endif
258 #ifdef _SC_MEMLOCK
259     { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
260 #endif
261 #ifdef _SC_MEMLOCK_RANGE
262     { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
263 #endif
264 #ifdef _SC_MEMORY_PROTECTION
265     { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
266 #endif
267 #ifdef _SC_MESSAGE_PASSING
268     { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
269 #endif
270 #ifdef _SC_NGROUPS_MAX
271     { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
272 #endif
273 #ifdef _SC_OPEN_MAX
274     { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
275 #endif
276 #ifdef _SC_PII
277     { "_POSIX_PII", _SC_PII, SYSCONF },
278 #endif
279 #ifdef _SC_PII_INTERNET
280     { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF },
281 #endif
282 #ifdef _SC_PII_INTERNET_DGRAM
283     { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF },
284 #endif
285 #ifdef _SC_PII_INTERNET_STREAM
286     { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF },
287 #endif
288 #ifdef _SC_PII_OSI
289     { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF },
290 #endif
291 #ifdef _SC_PII_OSI_CLTS
292     { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF },
293 #endif
294 #ifdef _SC_PII_OSI_COTS
295     { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF },
296 #endif
297 #ifdef _SC_PII_OSI_M
298     { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF },
299 #endif
300 #ifdef _SC_PII_SOCKET
301     { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF },
302 #endif
303 #ifdef _SC_PII_XTI
304     { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF },
305 #endif
306 #ifdef _SC_POLL
307     { "_POSIX_POLL", _SC_POLL, SYSCONF },
308 #endif
309 #ifdef _SC_PRIORITIZED_IO
310     { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
311 #endif
312 #ifdef _SC_PRIORITY_SCHEDULING
313     { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
314 #endif
315 #ifdef _SC_REALTIME_SIGNALS
316     { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
317 #endif
318 #ifdef _SC_SAVED_IDS
319     { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
320 #endif
321 #ifdef _SC_SELECT
322     { "_POSIX_SELECT", _SC_SELECT, SYSCONF },
323 #endif
324 #ifdef _SC_SEMAPHORES
325     { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
326 #endif
327 #ifdef _SC_SHARED_MEMORY_OBJECTS
328     { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
329 #endif
330 #ifdef _SC_SSIZE_MAX
331     { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
332 #endif
333 #ifdef _SC_STREAM_MAX
334     { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
335 #endif
336 #ifdef _SC_SYNCHRONIZED_IO
337     { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
338 #endif
339 #ifdef _SC_THREADS
340     { "_POSIX_THREADS", _SC_THREADS, SYSCONF },
341 #endif
342 #ifdef _SC_THREAD_ATTR_STACKADDR
343     { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF },
344 #endif
345 #ifdef _SC_THREAD_ATTR_STACKSIZE
346     { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF },
347 #endif
348 #ifdef _SC_THREAD_PRIORITY_SCHEDULING
349     { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF },
350 #endif
351 #ifdef _SC_THREAD_PRIO_INHERIT
352     { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF },
353 #endif
354 #ifdef _SC_THREAD_PRIO_PROTECT
355     { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF },
356 #endif
357 #ifdef _SC_THREAD_PROCESS_SHARED
358     { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF },
359 #endif
360 #ifdef _SC_THREAD_SAFE_FUNCTIONS
361     { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF },
362 #endif
363 #ifdef _SC_TIMERS
364     { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
365 #endif
366 #ifdef _SC_TIMER_MAX
367     { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF },
368 #endif
369 #ifdef _SC_TZNAME_MAX
370     { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
371 #endif
372 #ifdef _SC_VERSION
373     { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
374 #endif
375 #ifdef _SC_T_IOV_MAX
376     { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF },
377 #endif
378 #ifdef _SC_XOPEN_CRYPT
379     { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF },
380 #endif
381 #ifdef _SC_XOPEN_ENH_I18N
382     { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF },
383 #endif
384 #ifdef _SC_XOPEN_LEGACY
385     { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF },
386 #endif
387 #ifdef _SC_XOPEN_REALTIME
388     { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF },
389 #endif
390 #ifdef _SC_XOPEN_REALTIME_THREADS
391     { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF },
392 #endif
393 #ifdef _SC_XOPEN_SHM
394     { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF },
395 #endif
396 #ifdef _SC_XOPEN_UNIX
397     { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF },
398 #endif
399 #ifdef _SC_XOPEN_VERSION
400     { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF },
401 #endif
402 #ifdef _SC_XOPEN_XCU_VERSION
403     { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF },
404 #endif
405 #ifdef _SC_XOPEN_XPG2
406     { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF },
407 #endif
408 #ifdef _SC_XOPEN_XPG3
409     { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF },
410 #endif
411 #ifdef _SC_XOPEN_XPG4
412     { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF },
413 #endif
414     /* POSIX.2  */
415 #ifdef _SC_BC_BASE_MAX
416     { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
417 #endif
418 #ifdef _SC_BC_DIM_MAX
419     { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
420 #endif
421 #ifdef _SC_BC_SCALE_MAX
422     { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
423 #endif
424 #ifdef _SC_BC_STRING_MAX
425     { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
426 #endif
427     { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF },
428 #ifdef _SC_COLL_WEIGHTS_MAX
429     { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
430 #endif
431 #ifdef _SC_EQUIV_CLASS_MAX
432     { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF },
433 #endif
434 #ifdef _SC_EXPR_NEST_MAX
435     { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
436 #endif
437 #ifdef _SC_LINE_MAX
438     { "LINE_MAX", _SC_LINE_MAX, SYSCONF },
439 #endif
440 #ifdef _SC_BC_BASE_MAX
441     { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
442 #endif
443 #ifdef _SC_BC_DIM_MAX
444     { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
445 #endif
446 #ifdef _SC_BC_SCALE_MAX
447     { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
448 #endif
449 #ifdef _SC_BC_STRING_MAX
450     { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
451 #endif
452 #ifdef _SC_2_CHAR_TERM
453     { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF },
454 #endif
455 #ifdef _SC_COLL_WEIGHTS_MAX
456     { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
457 #endif
458 #ifdef _SC_2_C_BIND
459     { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF },
460 #endif
461 #ifdef _SC_2_C_DEV
462     { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF },
463 #endif
464 #ifdef _SC_2_C_VERSION
465     { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF },
466 #endif
467 #ifdef _SC_EXPR_NEST_MAX
468     { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
469 #endif
470 #ifdef _SC_2_FORT_DEV
471     { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF },
472 #endif
473 #ifdef _SC_2_FORT_RUN
474     { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF },
475 #endif
476 #ifdef _SC_LINE_MAX
477     { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
478 #endif
479 #ifdef _SC_2_LOCALEDEF
480     { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF },
481 #endif
482 #ifdef _SC_RE_DUP_MAX
483     { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
484 #endif
485 #ifdef _SC_2_SW_DEV
486     { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF },
487 #endif
488 #ifdef _SC_2_UPE
489     { "POSIX2_UPE", _SC_2_UPE, SYSCONF },
490 #endif
491 #ifdef _SC_2_VERSION
492     { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF },
493 #endif
494 #ifdef _SC_RE_DUP_MAX
495     { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
496 #endif
497
498 #ifdef _CS_PATH
499     { "PATH", _CS_PATH, CONFSTR },
500     { "CS_PATH", _CS_PATH, CONFSTR },
501 #endif
502
503     /* LFS */
504 #ifdef _CS_LFS_CFLAGS
505     { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR },
506 #endif
507 #ifdef _CS_LFS_LDFLAGS
508     { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR },
509 #endif
510 #ifdef _CS_LFS_LIBS
511     { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR },
512 #endif
513 #ifdef _CS_LFS_LINTFLAGS
514     { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR },
515 #endif
516 #ifdef _CS_LFS64_CFLAGS
517     { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR },
518 #endif
519 #ifdef _CS_LFS64_LDFLAGS
520     { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR },
521 #endif
522 #ifdef _CS_LFS64_LIBS
523     { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR },
524 #endif
525 #ifdef _CS_LFS64_LINTFLAGS
526     { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR },
527 #endif
528
529     /* Programming environments.  */
530 #ifdef _SC_XBS5_ILP32_OFF32
531     { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF },
532 #endif
533 #ifdef _CS_XBS5_ILP32_OFF32_CFLAGS
534     { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR },
535 #endif
536 #ifdef _CS_XBS5_ILP32_OFF32_LDFLAGS
537     { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR },
538 #endif
539 #ifdef _CS_XBS5_ILP32_OFF32_LIBS
540     { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR },
541 #endif
542 #ifdef _CS_XBS5_ILP32_OFF32_LINTFLAGS
543     { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR },
544 #endif
545
546 #ifdef _SC_XBS5_ILP32_OFFBIG
547     { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF },
548 #endif
549 #ifdef _CS_XBS5_ILP32_OFFBIG_CFLAGS
550     { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR },
551 #endif
552 #ifdef _CS_XBS5_ILP32_OFFBIG_LDFLAGS
553     { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR },
554 #endif
555 #ifdef _CS_XBS5_ILP32_OFFBIG_LIBS
556     { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR },
557 #endif
558 #ifdef _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
559     { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
560 #endif
561
562 #ifdef _SC_XBS5_LP64_OFF64
563     { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF },
564 #endif
565 #ifdef _CS_XBS5_LP64_OFF64_CFLAGS
566     { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR },
567 #endif
568 #ifdef _CS_XBS5_LP64_OFF64_LDFLAGS
569     { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR },
570 #endif
571 #ifdef _CS_XBS5_LP64_OFF64_LIBS
572     { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR },
573 #endif
574 #ifdef _CS_XBS5_LP64_OFF64_LINTFLAGS
575     { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR },
576 #endif
577
578 #ifdef _SC_XBS5_LPBIG_OFFBIG
579     { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF },
580 #endif
581 #ifdef _CS_XBS5_LPBIG_OFFBIG_CFLAGS
582     { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR },
583 #endif
584 #ifdef _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
585     { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
586 #endif
587 #ifdef _CS_XBS5_LPBIG_OFFBIG_LIBS
588     { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR },
589 #endif
590 #ifdef _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
591     { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
592 #endif
593
594 #ifdef _SC_V6_ILP32_OFF32
595     { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF },
596 #endif
597 #ifdef _CS_POSIX_V6_ILP32_OFF32_CFLAGS
598     { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR },
599 #endif
600 #ifdef _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
601     { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR },
602 #endif
603 #ifdef _CS_POSIX_V6_ILP32_OFF32_LIBS
604     { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR },
605 #endif
606 #ifdef _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
607     { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR },
608 #endif
609
610 #ifdef _CS_V6_WIDTH_RESTRICTED_ENVS
611     { "_POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
612 #endif
613
614 #ifdef _SC_V6_ILP32_OFFBIG
615     { "_POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG, SYSCONF },
616 #endif
617 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
618     { "POSIX_V6_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, CONFSTR },
619 #endif
620 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
621     { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, CONFSTR },
622 #endif
623 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LIBS
624     { "POSIX_V6_ILP32_OFFBIG_LIBS", _CS_POSIX_V6_ILP32_OFFBIG_LIBS, CONFSTR },
625 #endif
626 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
627     { "POSIX_V6_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
628 #endif
629
630 #ifdef _SC_V6_LP64_OFF64
631     { "_POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64, SYSCONF },
632 #endif
633 #ifdef _CS_POSIX_V6_LP64_OFF64_CFLAGS
634     { "POSIX_V6_LP64_OFF64_CFLAGS", _CS_POSIX_V6_LP64_OFF64_CFLAGS, CONFSTR },
635 #endif
636 #ifdef _CS_POSIX_V6_LP64_OFF64_LDFLAGS
637     { "POSIX_V6_LP64_OFF64_LDFLAGS", _CS_POSIX_V6_LP64_OFF64_LDFLAGS, CONFSTR },
638 #endif
639 #ifdef _CS_POSIX_V6_LP64_OFF64_LIBS
640     { "POSIX_V6_LP64_OFF64_LIBS", _CS_POSIX_V6_LP64_OFF64_LIBS, CONFSTR },
641 #endif
642 #ifdef _CS_POSIX_V6_LP64_OFF64_LINTFLAGS
643     { "POSIX_V6_LP64_OFF64_LINTFLAGS", _CS_POSIX_V6_LP64_OFF64_LINTFLAGS, CONFSTR },
644 #endif
645
646 #ifdef _SC_V6_LPBIG_OFFBIG
647     { "_POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG, SYSCONF },
648 #endif
649 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
650     { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, CONFSTR },
651 #endif
652 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
653     { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
654 #endif
655 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
656     { "POSIX_V6_LPBIG_OFFBIG_LIBS", _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, CONFSTR },
657 #endif
658 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
659     { "POSIX_V6_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
660 #endif
661
662 #ifdef _SC_ADVISORY_INFO
663     { "_POSIX_ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF },
664 #endif
665 #ifdef _SC_BARRIERS
666     { "_POSIX_BARRIERS", _SC_BARRIERS, SYSCONF },
667 #endif
668 #ifdef _SC_BASE
669     { "_POSIX_BASE", _SC_BASE, SYSCONF },
670 #endif
671 #ifdef _SC_C_LANG_SUPPORT
672     { "_POSIX_C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF },
673 #endif
674 #ifdef _SC_C_LANG_SUPPORT_R
675     { "_POSIX_C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF },
676 #endif
677 #ifdef _SC_CLOCK_SELECTION
678     { "_POSIX_CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF },
679 #endif
680 #ifdef _SC_CPUTIME
681     { "_POSIX_CPUTIME", _SC_CPUTIME, SYSCONF },
682 #endif
683 #ifdef _SC_THREAD_CPUTIME
684     { "_POSIX_THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF },
685 #endif
686 #ifdef _SC_DEVICE_SPECIFIC
687     { "_POSIX_DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF },
688 #endif
689 #ifdef _SC_DEVICE_SPECIFIC_R
690     { "_POSIX_DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF },
691 #endif
692 #ifdef _SC_FD_MGMT
693     { "_POSIX_FD_MGMT", _SC_FD_MGMT, SYSCONF },
694 #endif
695 #ifdef _SC_FIFO
696     { "_POSIX_FIFO", _SC_FIFO, SYSCONF },
697 #endif
698 #ifdef _SC_PIPE
699     { "_POSIX_PIPE", _SC_PIPE, SYSCONF },
700 #endif
701 #ifdef _SC_FILE_ATTRIBUTES
702     { "_POSIX_FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF },
703 #endif
704 #ifdef _SC_FILE_LOCKING
705     { "_POSIX_FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF },
706 #endif
707 #ifdef _SC_FILE_SYSTEM
708     { "_POSIX_FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF },
709 #endif
710 #ifdef _SC_MONOTONIC_CLOCK
711     { "_POSIX_MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF },
712 #endif
713 #ifdef _SC_MULTI_PROCESS
714     { "_POSIX_MULTI_PROCESS", _SC_MULTI_PROCESS, SYSCONF },
715 #endif
716 #ifdef _SC_SINGLE_PROCESS
717     { "_POSIX_SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF },
718 #endif
719 #ifdef _SC_NETWORKING
720     { "_POSIX_NETWORKING", _SC_NETWORKING, SYSCONF },
721 #endif
722 #ifdef _SC_READER_WRITER_LOCKS
723     { "_POSIX_READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF },
724 #endif
725 #ifdef _SC_SPIN_LOCKS
726     { "_POSIX_SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF },
727 #endif
728 #ifdef _SC_REGEXP
729     { "_POSIX_REGEXP", _SC_REGEXP, SYSCONF },
730 #endif
731 #ifdef _SC_REGEX_VERSION
732     { "_REGEX_VERSION", _SC_REGEX_VERSION, SYSCONF },
733 #endif
734 #ifdef _SC_SHELL
735     { "_POSIX_SHELL", _SC_SHELL, SYSCONF },
736 #endif
737 #ifdef _SC_SIGNALS
738     { "_POSIX_SIGNALS", _SC_SIGNALS, SYSCONF },
739 #endif
740 #ifdef _SC_SPAWN
741     { "_POSIX_SPAWN", _SC_SPAWN, SYSCONF },
742 #endif
743 #ifdef _SC_SPORADIC_SERVER
744     { "_POSIX_SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF },
745 #endif
746 #ifdef _SC_THREAD_SPORADIC_SERVER
747     { "_POSIX_THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF },
748 #endif
749 #ifdef _SC_SYSTEM_DATABASE
750     { "_POSIX_SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF },
751 #endif
752 #ifdef _SC_SYSTEM_DATABASE_R
753     { "_POSIX_SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF },
754 #endif
755 #ifdef _SC_TIMEOUTS
756     { "_POSIX_TIMEOUTS", _SC_TIMEOUTS, SYSCONF },
757 #endif
758 #ifdef _SC_TYPED_MEMORY_OBJECTS
759     { "_POSIX_TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF },
760 #endif
761 #ifdef _SC_USER_GROUPS
762     { "_POSIX_USER_GROUPS", _SC_USER_GROUPS, SYSCONF },
763 #endif
764 #ifdef _SC_USER_GROUPS_R
765     { "_POSIX_USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF },
766 #endif
767 #ifdef _SC_2_PBS
768     { "POSIX2_PBS", _SC_2_PBS, SYSCONF },
769 #endif
770 #ifdef _SC_2_PBS_ACCOUNTING
771     { "POSIX2_PBS_ACCOUNTING", _SC_2_PBS_ACCOUNTING, SYSCONF },
772 #endif
773 #ifdef _SC_2_PBS_LOCATE
774     { "POSIX2_PBS_LOCATE", _SC_2_PBS_LOCATE, SYSCONF },
775 #endif
776 #ifdef _SC_2_PBS_TRACK
777     { "POSIX2_PBS_TRACK", _SC_2_PBS_TRACK, SYSCONF },
778 #endif
779 #ifdef _SC_2_PBS_MESSAGE
780     { "POSIX2_PBS_MESSAGE", _SC_2_PBS_MESSAGE, SYSCONF },
781 #endif
782 #ifdef _SC_SYMLOOP_MAX
783     { "SYMLOOP_MAX", _SC_SYMLOOP_MAX, SYSCONF },
784 #endif
785 #ifdef _SC_STREAM_MAX
786     { "STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
787 #endif
788 #ifdef _SC_AIO_LISTIO_MAX
789     { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX, SYSCONF },
790 #endif
791 #ifdef _SC_AIO_MAX
792     { "AIO_MAX", _SC_AIO_MAX, SYSCONF },
793 #endif
794 #ifdef _SC_AIO_PRIO_DELTA_MAX
795     { "AIO_PRIO_DELTA_MAX", _SC_AIO_PRIO_DELTA_MAX, SYSCONF },
796 #endif
797 #ifdef _SC_DELAYTIMER_MAX
798     { "DELAYTIMER_MAX", _SC_DELAYTIMER_MAX, SYSCONF },
799 #endif
800 #ifdef _SC_HOST_NAME_MAX
801     { "HOST_NAME_MAX", _SC_HOST_NAME_MAX, SYSCONF },
802 #endif
803 #ifdef _SC_LOGIN_NAME_MAX
804     { "LOGIN_NAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
805 #endif
806 #ifdef _SC_MQ_OPEN_MAX
807     { "MQ_OPEN_MAX", _SC_MQ_OPEN_MAX, SYSCONF },
808 #endif
809 #ifdef _SC_MQ_PRIO_MAX
810     { "MQ_PRIO_MAX", _SC_MQ_PRIO_MAX, SYSCONF },
811 #endif
812 #ifdef _SC_DEVICE_IO
813     { "_POSIX_DEVICE_IO", _SC_DEVICE_IO, SYSCONF },
814 #endif
815 #ifdef _SC_TRACE
816     { "_POSIX_TRACE", _SC_TRACE, SYSCONF },
817 #endif
818 #ifdef _SC_TRACE_EVENT_FILTER
819     { "_POSIX_TRACE_EVENT_FILTER", _SC_TRACE_EVENT_FILTER, SYSCONF },
820 #endif
821 #ifdef _SC_TRACE_INHERIT
822     { "_POSIX_TRACE_INHERIT", _SC_TRACE_INHERIT, SYSCONF },
823 #endif
824 #ifdef _SC_TRACE_LOG
825     { "_POSIX_TRACE_LOG", _SC_TRACE_LOG, SYSCONF },
826 #endif
827 #ifdef _SC_RTSIG_MAX
828     { "RTSIG_MAX", _SC_RTSIG_MAX, SYSCONF },
829 #endif
830 #ifdef _SC_SEM_NSEMS_MAX
831     { "SEM_NSEMS_MAX", _SC_SEM_NSEMS_MAX, SYSCONF },
832 #endif
833 #ifdef _SC_SEM_VALUE_MAX
834     { "SEM_VALUE_MAX", _SC_SEM_VALUE_MAX, SYSCONF },
835 #endif
836 #ifdef _SC_SIGQUEUE_MAX
837     { "SIGQUEUE_MAX", _SC_SIGQUEUE_MAX, SYSCONF },
838 #endif
839 #ifdef _PC_FILESIZEBITS
840     { "FILESIZEBITS", _PC_FILESIZEBITS, PATHCONF },
841 #endif
842 #ifdef _PC_ALLOC_SIZE_MIN
843     { "POSIX_ALLOC_SIZE_MIN", _PC_ALLOC_SIZE_MIN, PATHCONF },
844 #endif
845 #ifdef _PC_REC_INCR_XFER_SIZE
846     { "POSIX_REC_INCR_XFER_SIZE", _PC_REC_INCR_XFER_SIZE, PATHCONF },
847 #endif
848 #ifdef _PC_REC_MAX_XFER_SIZE
849     { "POSIX_REC_MAX_XFER_SIZE", _PC_REC_MAX_XFER_SIZE, PATHCONF },
850 #endif
851 #ifdef _PC_REC_MIN_XFER_SIZE
852     { "POSIX_REC_MIN_XFER_SIZE", _PC_REC_MIN_XFER_SIZE, PATHCONF },
853 #endif
854 #ifdef _PC_REC_XFER_ALIGN
855     { "POSIX_REC_XFER_ALIGN", _PC_REC_XFER_ALIGN, PATHCONF },
856 #endif
857 #ifdef _PC_SYMLINK_MAX
858     { "SYMLINK_MAX", _PC_SYMLINK_MAX, PATHCONF },
859 #endif
860 #ifdef _CS_GNU_LIBC_VERSION
861     { "GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION, CONFSTR },
862 #endif
863 #ifdef _CS_GNU_LIBPTHREAD_VERSION
864     { "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR },
865 #endif
866 #ifdef _PC_2_SYMLINKS
867     { "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF },
868 #endif
869
870 #ifdef _SC_LEVEL1_ICACHE_SIZE
871     { "LEVEL1_ICACHE_SIZE", _SC_LEVEL1_ICACHE_SIZE, SYSCONF },
872 #endif
873 #ifdef _SC_LEVEL1_ICACHE_ASSOC
874     { "LEVEL1_ICACHE_ASSOC", _SC_LEVEL1_ICACHE_ASSOC, SYSCONF },
875 #endif
876 #ifdef _SC_LEVEL1_ICACHE_LINESIZE
877     { "LEVEL1_ICACHE_LINESIZE", _SC_LEVEL1_ICACHE_LINESIZE, SYSCONF },
878 #endif
879 #ifdef _SC_LEVEL1_DCACHE_SIZE
880     { "LEVEL1_DCACHE_SIZE", _SC_LEVEL1_DCACHE_SIZE, SYSCONF },
881 #endif
882 #ifdef _SC_LEVEL1_DCACHE_ASSOC
883     { "LEVEL1_DCACHE_ASSOC", _SC_LEVEL1_DCACHE_ASSOC, SYSCONF },
884 #endif
885 #ifdef _SC_LEVEL1_DCACHE_LINESIZE
886     { "LEVEL1_DCACHE_LINESIZE", _SC_LEVEL1_DCACHE_LINESIZE, SYSCONF },
887 #endif
888 #ifdef _SC_LEVEL2_CACHE_SIZE
889     { "LEVEL2_CACHE_SIZE", _SC_LEVEL2_CACHE_SIZE, SYSCONF },
890 #endif
891 #ifdef _SC_LEVEL2_CACHE_ASSOC
892     { "LEVEL2_CACHE_ASSOC", _SC_LEVEL2_CACHE_ASSOC, SYSCONF },
893 #endif
894 #ifdef _SC_LEVEL2_CACHE_LINESIZE
895     { "LEVEL2_CACHE_LINESIZE", _SC_LEVEL2_CACHE_LINESIZE, SYSCONF },
896 #endif
897 #ifdef _SC_LEVEL3_CACHE_SIZE
898     { "LEVEL3_CACHE_SIZE", _SC_LEVEL3_CACHE_SIZE, SYSCONF },
899 #endif
900 #ifdef _SC_LEVEL3_CACHE_ASSOC
901     { "LEVEL3_CACHE_ASSOC", _SC_LEVEL3_CACHE_ASSOC, SYSCONF },
902 #endif
903 #ifdef _SC_LEVEL3_CACHE_LINESIZE
904     { "LEVEL3_CACHE_LINESIZE", _SC_LEVEL3_CACHE_LINESIZE, SYSCONF },
905 #endif
906 #ifdef _SC_LEVEL4_CACHE_SIZE
907     { "LEVEL4_CACHE_SIZE", _SC_LEVEL4_CACHE_SIZE, SYSCONF },
908 #endif
909 #ifdef _SC_LEVEL4_CACHE_ASSOC
910     { "LEVEL4_CACHE_ASSOC", _SC_LEVEL4_CACHE_ASSOC, SYSCONF },
911 #endif
912
913 #ifdef _SC_IPV6
914     { "IPV6", _SC_IPV6, SYSCONF },
915 #endif
916 #ifdef _SC_RAW_SOCKETS
917     { "RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF },
918 #endif
919
920     { NULL, 0, SYSCONF }
921   };
922
923
924 static struct { const char *name; int num; } specs[] =
925   {
926     { "POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32 },
927     { "POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG },
928     { "POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64 },
929     { "POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG }
930   };
931 static const int nspecs = sizeof (specs) / sizeof (specs[0]);
932
933 extern const char *__progname;
934
935
936 static void
937 usage (void)
938 {
939   fprintf (stderr,
940            _("Usage: %s [-v specification] variable_name [pathname]\n"),
941            __progname);
942   fprintf (stderr,
943            _("       %s -a [pathname]\n"), __progname);
944   exit (2);
945 }
946
947 static void
948 print_all (const char *path)
949 {
950   register const struct conf *c;
951   size_t clen;
952   long int value;
953   char *cvalue;
954   for (c = vars; c->name != NULL; ++c) {
955     printf("%-35s", c->name);
956     switch (c->call) {
957       case PATHCONF:
958         value = pathconf (path, c->call_name);
959         if (value != -1) {
960           printf("%ld", value);
961         }
962         printf("\n");
963         break;
964       case SYSCONF:
965         value = sysconf (c->call_name);
966         if (value == -1l) {
967           if (c->call_name == _SC_UINT_MAX
968             || c->call_name == _SC_ULONG_MAX)
969             printf ("%lu", value);
970         }
971         else {
972           printf ("%ld", value);
973         }
974         printf ("\n");
975         break;
976       case CONFSTR:
977         clen = confstr (c->call_name, (char *) NULL, 0);
978         cvalue = (char *) malloc (clen);
979         if (cvalue == NULL)
980           error (3, 0, _("memory exhausted"));
981         if (confstr (c->call_name, cvalue, clen) != clen)
982           error (3, errno, "confstr");
983         printf ("%.*s\n", (int) clen, cvalue);
984         break;
985     }
986   }
987   exit (0);
988 }
989
990 int
991 main (int argc, char *argv[])
992 {
993   register const struct conf *c;
994
995   /* Set locale.  Do not set LC_ALL because the other categories must
996      not be affected (according to POSIX.2).  */
997   setlocale (LC_CTYPE, "");
998   setlocale (LC_MESSAGES, "");
999
1000   /* Initialize the message catalog.  */
1001   textdomain (PACKAGE);
1002
1003   if (argc > 1 && strcmp (argv[1], "--version") == 0)
1004     {
1005       fprintf (stderr, "getconf (GNU %s) %s\n", PACKAGE, VERSION);
1006       fprintf (stderr, gettext ("\
1007 Copyright (C) %s Free Software Foundation, Inc.\n\
1008 This is free software; see the source for copying conditions.  There is NO\n\
1009 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
1010 "), "2005");
1011       fprintf (stderr, gettext ("Written by %s.\n"), "Roland McGrath");
1012       return 0;
1013     }
1014
1015   const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR;
1016   size_t getconf_dirlen = strlen (getconf_dir);
1017
1018   const char *spec = NULL;
1019   char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"];
1020   char *argv0 = argv[0];
1021   if (argc > 1 && strncmp (argv[1], "-v", 2) == 0)
1022     {
1023       if (argv[1][2] == '\0')
1024         {
1025           if (argc < 3)
1026             usage ();
1027
1028           spec = argv[2];
1029           argv += 2;
1030           argc -= 2;
1031         }
1032       else
1033         {
1034           spec = &argv[1][2];
1035           argv += 1;
1036           argc += 1;
1037         }
1038     }
1039   else
1040     {
1041       char default_name[getconf_dirlen + sizeof "/default"];
1042       memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen),
1043               "/default", sizeof "/default");
1044       int len = readlink (default_name, buf, sizeof buf - 1);
1045       if (len > 0)
1046         {
1047           buf[len] = '\0';
1048           spec = buf;
1049         }
1050     }
1051
1052   /* Check for the specifications we know.  */
1053   if (spec != NULL)
1054     {
1055       int i;
1056       for (i = 0; i < nspecs; ++i)
1057         if (strcmp (spec, specs[i].name) == 0)
1058           break;
1059
1060       if (i == nspecs)
1061         error (2, 0, _("unknown specification \"%s\""), spec);
1062
1063       switch (specs[i].num)
1064         {
1065 #ifndef _POSIX_V6_ILP32_OFF32
1066           case _SC_V6_ILP32_OFF32:
1067 #endif
1068 #ifndef _POSIX_V6_ILP32_OFFBIG
1069           case _SC_V6_ILP32_OFFBIG:
1070 #endif
1071 #ifndef _POSIX_V6_LP64_OFF64
1072           case _SC_V6_LP64_OFF64:
1073 #endif
1074 #ifndef _POSIX_V6_LPBIG_OFFBIG
1075           case _SC_V6_LPBIG_OFFBIG:
1076 #endif
1077             {
1078               const char *args[argc + 3];
1079               size_t spec_len = strlen (spec);
1080               char getconf_name[getconf_dirlen + 1 + spec_len + 1];
1081               memcpy (mempcpy (mempcpy (getconf_name, getconf_dir,
1082                                         getconf_dirlen),
1083                                "/", 1), spec, spec_len + 1);
1084               args[0] = argv0;
1085               args[1] = "-v";
1086               args[2] = spec;
1087               memcpy (&args[3], &argv[1], argc * sizeof (argv[1]));
1088               execv (getconf_name, (char * const *) args);
1089               error (4, errno, _("Couldn't execute %s"), getconf_name);
1090             }
1091           default:
1092             break;
1093         }
1094     }
1095
1096   if (argc > 1 && strcmp (argv[1], "-a") == 0)
1097     {
1098       if (argc == 2)
1099         print_all ("/");
1100       else if (argc == 3)
1101         print_all (argv[2]);
1102       else
1103         usage ();
1104     }
1105
1106   if (argc < 2 || argc > 3)
1107     usage ();
1108
1109   for (c = vars; c->name != NULL; ++c)
1110     if (strcmp (c->name, argv[1]) == 0
1111         || (strncmp (c->name, "_POSIX_", 7) == 0
1112             && strcmp (c->name + 7, argv[1]) == 0))
1113       {
1114         long int value;
1115         size_t clen;
1116         char *cvalue;
1117         switch (c->call)
1118           {
1119           case PATHCONF:
1120             if (argc < 3)
1121               usage ();
1122             errno = 0;
1123             value = pathconf (argv[2], c->call_name);
1124             if (value == -1)
1125               {
1126                 if (errno)
1127                   error (3, errno, "pathconf: %s", argv[2]);
1128                 else
1129                   puts (_("undefined"));
1130               }
1131             else
1132               printf ("%ld\n", value);
1133             exit (0);
1134
1135           case SYSCONF:
1136             if (argc > 2)
1137               usage ();
1138             value = sysconf (c->call_name);
1139             if (value == -1l)
1140               {
1141                 if (c->call_name == _SC_UINT_MAX
1142                     || c->call_name == _SC_ULONG_MAX)
1143                   printf ("%lu\n", value);
1144                 else
1145                   puts (_("undefined"));
1146               }
1147             else
1148               printf ("%ld\n", value);
1149             exit (0);
1150
1151           case CONFSTR:
1152             if (argc > 2)
1153               usage ();
1154             clen = confstr (c->call_name, (char *) NULL, 0);
1155             cvalue = (char *) malloc (clen);
1156             if (cvalue == NULL)
1157               error (3, 0, _("memory exhausted"));
1158
1159             if (confstr (c->call_name, cvalue, clen) != clen)
1160               error (3, errno, "confstr");
1161
1162             printf ("%.*s\n", (int) clen, cvalue);
1163             exit (0);
1164           }
1165       }
1166
1167   error (2, 0, _("Unrecognized variable `%s'"), argv[1]);
1168   /* NOTREACHED */
1169   return 2;
1170 }