utils/getconf.c

   1 /* Copyright (C) 1991, 92, 1995-2008, 2009 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 as published
   6    by the Free Software Foundation; version 2 of the License, or
   7    (at your option) any later version.
   8
   9    This program 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
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, write to the Free Software Foundation,
  16    Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #define _GNU_SOURCE 1
  19 #include <unistd.h>
  20 #include <errno.h>
  21 #include <string.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24
  25 #define PACKAGE "getconf regression test"
  26 #define VERSION ""
  27 #ifndef _
  28 # define _
  29 #endif
  30 #define error(status, errnum,...) \
  31         {fprintf(stderr, __VA_ARGS__); exit(status);}
  32
  33
  34 struct conf
  35   {
  36     const char *name;
  37     const int call_name;
  38     const enum { SYSCONF, CONFSTR, PATHCONF } call;
  39   };
  40
  41 static const struct conf vars[] =
  42   {
  43 #ifdef _PC_LINK_MAX
  44     { "LINK_MAX", _PC_LINK_MAX, PATHCONF },
  45 #endif
  46 #ifdef _PC_LINK_MAX
  47     { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF },
  48 #endif
  49 #ifdef _PC_MAX_CANON
  50     { "MAX_CANON", _PC_MAX_CANON, PATHCONF },
  51 #endif
  52 #ifdef _PC_MAX_CANON
  53     { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF },
  54 #endif
  55 #ifdef _PC_MAX_INPUT
  56     { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
  57 #endif
  58 #ifdef _PC_MAX_INPUT
  59     { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF },
  60 #endif
  61 #ifdef _PC_NAME_MAX
  62     { "NAME_MAX", _PC_NAME_MAX, PATHCONF },
  63 #endif
  64 #ifdef _PC_NAME_MAX
  65     { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF },
  66 #endif
  67 #ifdef _PC_PATH_MAX
  68     { "PATH_MAX", _PC_PATH_MAX, PATHCONF },
  69 #endif
  70 #ifdef _PC_PATH_MAX
  71     { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF },
  72 #endif
  73 #ifdef _PC_PIPE_BUF
  74     { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
  75 #endif
  76 #ifdef _PC_PIPE_BUF
  77     { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF },
  78 #endif
  79 #ifdef _PC_SOCK_MAXBUF
  80     { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF },
  81 #endif
  82 #ifdef _PC_ASYNC_IO
  83     { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF },
  84 #endif
  85 #ifdef _PC_CHOWN_RESTRICTED
  86     { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF },
  87 #endif
  88 #ifdef _PC_NO_TRUNC
  89     { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF },
  90 #endif
  91 #ifdef _PC_PRIO_IO
  92     { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF },
  93 #endif
  94 #ifdef _PC_SYNC_IO
  95     { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF },
  96 #endif
  97 #ifdef _PC_VDISABLE
  98     { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF },
  99 #endif
 100
 101 #ifdef _SC_ARG_MAX
 102     { "ARG_MAX", _SC_ARG_MAX, SYSCONF },
 103 #endif
 104 #ifdef _SC_ATEXIT_MAX
 105     { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF },
 106 #endif
 107 #ifdef _SC_CHAR_BIT
 108     { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF },
 109 #endif
 110 #ifdef _SC_CHAR_MAX
 111     { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF },
 112 #endif
 113 #ifdef _SC_CHAR_MIN
 114     { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF },
 115 #endif
 116 #ifdef _SC_CHILD_MAX
 117     { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
 118 #endif
 119 #ifdef _SC_CLK_TCK
 120     { "CLK_TCK", _SC_CLK_TCK, SYSCONF },
 121 #endif
 122 #ifdef _SC_INT_MAX
 123     { "INT_MAX", _SC_INT_MAX, SYSCONF },
 124 #endif
 125 #ifdef _SC_INT_MIN
 126     { "INT_MIN", _SC_INT_MIN, SYSCONF },
 127 #endif
 128 #ifdef _SC_UIO_MAXIOV
 129     { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF },
 130 #endif
 131 #ifdef _SC_LOGIN_NAME_MAX
 132     { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
 133 #endif
 134 #ifdef _SC_LONG_BIT
 135     { "LONG_BIT", _SC_LONG_BIT, SYSCONF },
 136 #endif
 137 #ifdef _SC_MB_LEN_MAX
 138     { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF },
 139 #endif
 140 #ifdef _SC_NGROUPS_MAX
 141     { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
 142 #endif
 143 #ifdef _SC_NL_ARGMAX
 144     { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF },
 145 #endif
 146 #ifdef _SC_NL_LANGMAX
 147     { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF },
 148 #endif
 149 #ifdef _SC_NL_MSGMAX
 150     { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF },
 151 #endif
 152 #ifdef _SC_NL_NMAX
 153     { "NL_NMAX", _SC_NL_NMAX, SYSCONF },
 154 #endif
 155 #ifdef _SC_NL_SETMAX
 156     { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF },
 157 #endif
 158 #ifdef _SC_NL_TEXTMAX
 159     { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF },
 160 #endif
 161 #ifdef _SC_GETGR_R_SIZE_MAX
 162     { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF },
 163 #endif
 164 #ifdef _SC_GETPW_R_SIZE_MAX
 165     { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF },
 166 #endif
 167 #ifdef _SC_NZERO
 168     { "NZERO", _SC_NZERO, SYSCONF },
 169 #endif
 170 #ifdef _SC_OPEN_MAX
 171     { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
 172 #endif
 173 #ifdef _SC_PAGESIZE
 174     { "PAGESIZE", _SC_PAGESIZE, SYSCONF },
 175 #endif
 176 #ifdef _SC_PAGESIZE
 177     { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF },
 178 #endif
 179 #ifdef _SC_PASS_MAX
 180     { "PASS_MAX", _SC_PASS_MAX, SYSCONF },
 181 #endif
 182 #ifdef _SC_THREAD_DESTRUCTOR_ITERATIONS
 183     { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF },
 184 #endif
 185 #ifdef _SC_THREAD_KEYS_MAX
 186     { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF },
 187 #endif
 188 #ifdef _SC_THREAD_STACK_MIN
 189     { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF },
 190 #endif
 191 #ifdef _SC_THREAD_THREADS_MAX
 192     { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF },
 193 #endif
 194 #ifdef _SC_SCHAR_MAX
 195     { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF },
 196 #endif
 197 #ifdef _SC_SCHAR_MIN
 198     { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF },
 199 #endif
 200 #ifdef _SC_SHRT_MAX
 201     { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF },
 202 #endif
 203 #ifdef _SC_SHRT_MIN
 204     { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF },
 205 #endif
 206 #ifdef _SC_SSIZE_MAX
 207     { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
 208 #endif
 209 #ifdef _SC_TTY_NAME_MAX
 210     { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF },
 211 #endif
 212 #ifdef _SC_TZNAME_MAX
 213     { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
 214 #endif
 215 #ifdef _SC_UCHAR_MAX
 216     { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF },
 217 #endif
 218 #ifdef _SC_UINT_MAX
 219     { "UINT_MAX", _SC_UINT_MAX, SYSCONF },
 220 #endif
 221 #ifdef _SC_UIO_MAXIOV
 222     { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF },
 223 #endif
 224 #ifdef _SC_ULONG_MAX
 225     { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF },
 226 #endif
 227 #ifdef _SC_USHRT_MAX
 228     { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF },
 229 #endif
 230 #ifdef _SC_WORD_BIT
 231     { "WORD_BIT", _SC_WORD_BIT, SYSCONF },
 232 #endif
 233 #ifdef _SC_AVPHYS_PAGES
 234     { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF },
 235 #endif
 236 #ifdef _SC_NPROCESSORS_CONF
 237     { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF },
 238 #endif
 239 #ifdef _SC_NPROCESSORS_ONLN
 240     { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF },
 241 #endif
 242 #ifdef _SC_PHYS_PAGES
 243     { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF },
 244 #endif
 245 #ifdef _SC_ARG_MAX
 246     { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF },
 247 #endif
 248 #ifdef _SC_ASYNCHRONOUS_IO
 249     { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF },
 250 #endif
 251 #ifdef _SC_CHILD_MAX
 252     { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF },
 253 #endif
 254 #ifdef _SC_FSYNC
 255     { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF },
 256 #endif
 257 #ifdef _SC_JOB_CONTROL
 258     { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF },
 259 #endif
 260 #ifdef _SC_MAPPED_FILES
 261     { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF },
 262 #endif
 263 #ifdef _SC_MEMLOCK
 264     { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF },
 265 #endif
 266 #ifdef _SC_MEMLOCK_RANGE
 267     { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF },
 268 #endif
 269 #ifdef _SC_MEMORY_PROTECTION
 270     { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF },
 271 #endif
 272 #ifdef _SC_MESSAGE_PASSING
 273     { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF },
 274 #endif
 275 #ifdef _SC_NGROUPS_MAX
 276     { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF },
 277 #endif
 278 #ifdef _SC_OPEN_MAX
 279     { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF },
 280 #endif
 281 #ifdef _SC_PII
 282     { "_POSIX_PII", _SC_PII, SYSCONF },
 283 #endif
 284 #ifdef _SC_PII_INTERNET
 285     { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF },
 286 #endif
 287 #ifdef _SC_PII_INTERNET_DGRAM
 288     { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF },
 289 #endif
 290 #ifdef _SC_PII_INTERNET_STREAM
 291     { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF },
 292 #endif
 293 #ifdef _SC_PII_OSI
 294     { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF },
 295 #endif
 296 #ifdef _SC_PII_OSI_CLTS
 297     { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF },
 298 #endif
 299 #ifdef _SC_PII_OSI_COTS
 300     { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF },
 301 #endif
 302 #ifdef _SC_PII_OSI_M
 303     { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF },
 304 #endif
 305 #ifdef _SC_PII_SOCKET
 306     { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF },
 307 #endif
 308 #ifdef _SC_PII_XTI
 309     { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF },
 310 #endif
 311 #ifdef _SC_POLL
 312     { "_POSIX_POLL", _SC_POLL, SYSCONF },
 313 #endif
 314 #ifdef _SC_PRIORITIZED_IO
 315     { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF },
 316 #endif
 317 #ifdef _SC_PRIORITY_SCHEDULING
 318     { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF },
 319 #endif
 320 #ifdef _SC_REALTIME_SIGNALS
 321     { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF },
 322 #endif
 323 #ifdef _SC_SAVED_IDS
 324     { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF },
 325 #endif
 326 #ifdef _SC_SELECT
 327     { "_POSIX_SELECT", _SC_SELECT, SYSCONF },
 328 #endif
 329 #ifdef _SC_SEMAPHORES
 330     { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF },
 331 #endif
 332 #ifdef _SC_SHARED_MEMORY_OBJECTS
 333     { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF },
 334 #endif
 335 #ifdef _SC_SSIZE_MAX
 336     { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF },
 337 #endif
 338 #ifdef _SC_STREAM_MAX
 339     { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
 340 #endif
 341 #ifdef _SC_SYNCHRONIZED_IO
 342     { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF },
 343 #endif
 344 #ifdef _SC_THREADS
 345     { "_POSIX_THREADS", _SC_THREADS, SYSCONF },
 346 #endif
 347 #ifdef _SC_THREAD_ATTR_STACKADDR
 348     { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF },
 349 #endif
 350 #ifdef _SC_THREAD_ATTR_STACKSIZE
 351     { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF },
 352 #endif
 353 #ifdef _SC_THREAD_PRIORITY_SCHEDULING
 354     { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF },
 355 #endif
 356 #ifdef _SC_THREAD_PRIO_INHERIT
 357     { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF },
 358 #endif
 359 #ifdef _SC_THREAD_PRIO_PROTECT
 360     { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF },
 361 #endif
 362 #ifdef _SC_THREAD_ROBUST_PRIO_INHERIT
 363     { "_POSIX_THREAD_ROBUST_PRIO_INHERIT", _SC_THREAD_ROBUST_PRIO_INHERIT,
 364       SYSCONF },
 365 #endif
 366 #ifdef _SC_THREAD_ROBUST_PRIO_PROTECT
 367     { "_POSIX_THREAD_ROBUST_PRIO_PROTECT", _SC_THREAD_ROBUST_PRIO_PROTECT,
 368       SYSCONF },
 369 #endif
 370 #ifdef _SC_THREAD_PROCESS_SHARED
 371     { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF },
 372 #endif
 373 #ifdef _SC_THREAD_SAFE_FUNCTIONS
 374     { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF },
 375 #endif
 376 #ifdef _SC_TIMERS
 377     { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF },
 378 #endif
 379 #ifdef _SC_TIMER_MAX
 380     { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF },
 381 #endif
 382 #ifdef _SC_TZNAME_MAX
 383     { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF },
 384 #endif
 385 #ifdef _SC_VERSION
 386     { "_POSIX_VERSION", _SC_VERSION, SYSCONF },
 387 #endif
 388 #ifdef _SC_T_IOV_MAX
 389     { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF },
 390 #endif
 391 #ifdef _SC_XOPEN_CRYPT
 392     { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF },
 393 #endif
 394 #ifdef _SC_XOPEN_ENH_I18N
 395     { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF },
 396 #endif
 397 #ifdef _SC_XOPEN_LEGACY
 398     { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF },
 399 #endif
 400 #ifdef _SC_XOPEN_REALTIME
 401     { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF },
 402 #endif
 403 #ifdef _SC_XOPEN_REALTIME_THREADS
 404     { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF },
 405 #endif
 406 #ifdef _SC_XOPEN_SHM
 407     { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF },
 408 #endif
 409 #ifdef _SC_XOPEN_UNIX
 410     { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF },
 411 #endif
 412 #ifdef _SC_XOPEN_VERSION
 413     { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF },
 414 #endif
 415 #ifdef _SC_XOPEN_XCU_VERSION
 416     { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF },
 417 #endif
 418 #ifdef _SC_XOPEN_XPG2
 419     { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF },
 420 #endif
 421 #ifdef _SC_XOPEN_XPG3
 422     { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF },
 423 #endif
 424 #ifdef _SC_XOPEN_XPG4
 425     { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF },
 426 #endif
 427     /* POSIX.2  */
 428 #ifdef _SC_BC_BASE_MAX
 429     { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
 430 #endif
 431 #ifdef _SC_BC_DIM_MAX
 432     { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
 433 #endif
 434 #ifdef _SC_BC_SCALE_MAX
 435     { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
 436 #endif
 437 #ifdef _SC_BC_STRING_MAX
 438     { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
 439 #endif
 440     { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF },
 441 #ifdef _SC_COLL_WEIGHTS_MAX
 442     { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
 443 #endif
 444 #ifdef _SC_EQUIV_CLASS_MAX
 445     { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF },
 446 #endif
 447 #ifdef _SC_EXPR_NEST_MAX
 448     { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
 449 #endif
 450 #ifdef _SC_LINE_MAX
 451     { "LINE_MAX", _SC_LINE_MAX, SYSCONF },
 452 #endif
 453 #ifdef _SC_BC_BASE_MAX
 454     { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF },
 455 #endif
 456 #ifdef _SC_BC_DIM_MAX
 457     { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF },
 458 #endif
 459 #ifdef _SC_BC_SCALE_MAX
 460     { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF },
 461 #endif
 462 #ifdef _SC_BC_STRING_MAX
 463     { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF },
 464 #endif
 465 #ifdef _SC_2_CHAR_TERM
 466     { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF },
 467 #endif
 468 #ifdef _SC_COLL_WEIGHTS_MAX
 469     { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF },
 470 #endif
 471 #ifdef _SC_2_C_BIND
 472     { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF },
 473 #endif
 474 #ifdef _SC_2_C_DEV
 475     { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF },
 476 #endif
 477 #ifdef _SC_2_C_VERSION
 478     { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF },
 479 #endif
 480 #ifdef _SC_EXPR_NEST_MAX
 481     { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF },
 482 #endif
 483 #ifdef _SC_2_FORT_DEV
 484     { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF },
 485 #endif
 486 #ifdef _SC_2_FORT_RUN
 487     { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF },
 488 #endif
 489 #ifdef _SC_LINE_MAX
 490     { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
 491     { "POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF },
 492 #endif
 493 #ifdef _SC_2_LOCALEDEF
 494     { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF },
 495 #endif
 496 #ifdef _SC_RE_DUP_MAX
 497     { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
 498 #endif
 499 #ifdef _SC_2_SW_DEV
 500     { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF },
 501 #endif
 502 #ifdef _SC_2_UPE
 503     { "POSIX2_UPE", _SC_2_UPE, SYSCONF },
 504 #endif
 505 #ifdef _SC_2_VERSION
 506     { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF },
 507 #endif
 508 #ifdef _SC_RE_DUP_MAX
 509     { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF },
 510 #endif
 511
 512 #ifdef _CS_PATH
 513     { "PATH", _CS_PATH, CONFSTR },
 514     { "CS_PATH", _CS_PATH, CONFSTR },
 515 #endif
 516
 517     /* LFS */
 518 #ifdef _CS_LFS_CFLAGS
 519     { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR },
 520 #endif
 521 #ifdef _CS_LFS_LDFLAGS
 522     { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR },
 523 #endif
 524 #ifdef _CS_LFS_LIBS
 525     { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR },
 526 #endif
 527 #ifdef _CS_LFS_LINTFLAGS
 528     { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR },
 529 #endif
 530 #ifdef _CS_LFS64_CFLAGS
 531     { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR },
 532 #endif
 533 #ifdef _CS_LFS64_LDFLAGS
 534     { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR },
 535 #endif
 536 #ifdef _CS_LFS64_LIBS
 537     { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR },
 538 #endif
 539 #ifdef _CS_LFS64_LINTFLAGS
 540     { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR },
 541 #endif
 542
 543     /* Programming environments.  */
 544 #ifdef _CS_V5_WIDTH_RESTRICTED_ENVS
 545     { "_XBS5_WIDTH_RESTRICTED_ENVS", _CS_V5_WIDTH_RESTRICTED_ENVS, CONFSTR },
 546     { "XBS5_WIDTH_RESTRICTED_ENVS", _CS_V5_WIDTH_RESTRICTED_ENVS, CONFSTR },
 547 #endif
 548
 549 #ifdef _SC_XBS5_ILP32_OFF32
 550     { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF },
 551 #endif
 552 #ifdef _CS_XBS5_ILP32_OFF32_CFLAGS
 553     { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR },
 554 #endif
 555 #ifdef _CS_XBS5_ILP32_OFF32_LDFLAGS
 556     { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR },
 557 #endif
 558 #ifdef _CS_XBS5_ILP32_OFF32_LIBS
 559     { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR },
 560 #endif
 561 #ifdef _CS_XBS5_ILP32_OFF32_LINTFLAGS
 562     { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR },
 563 #endif
 564
 565 #ifdef _SC_XBS5_ILP32_OFFBIG
 566     { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF },
 567 #endif
 568 #ifdef _CS_XBS5_ILP32_OFFBIG_CFLAGS
 569     { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR },
 570 #endif
 571 #ifdef _CS_XBS5_ILP32_OFFBIG_LDFLAGS
 572     { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR },
 573 #endif
 574 #ifdef _CS_XBS5_ILP32_OFFBIG_LIBS
 575     { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR },
 576 #endif
 577 #ifdef _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
 578     { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
 579 #endif
 580
 581 #ifdef _SC_XBS5_LP64_OFF64
 582     { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF },
 583 #endif
 584 #ifdef _CS_XBS5_LP64_OFF64_CFLAGS
 585     { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR },
 586 #endif
 587 #ifdef _CS_XBS5_LP64_OFF64_LDFLAGS
 588     { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR },
 589 #endif
 590 #ifdef _CS_XBS5_LP64_OFF64_LIBS
 591     { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR },
 592 #endif
 593 #ifdef _CS_XBS5_LP64_OFF64_LINTFLAGS
 594     { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR },
 595 #endif
 596
 597 #ifdef _SC_XBS5_LPBIG_OFFBIG
 598     { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF },
 599 #endif
 600 #ifdef _CS_XBS5_LPBIG_OFFBIG_CFLAGS
 601     { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR },
 602 #endif
 603 #ifdef _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
 604     { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
 605 #endif
 606 #ifdef _CS_XBS5_LPBIG_OFFBIG_LIBS
 607     { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR },
 608 #endif
 609 #ifdef _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
 610     { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
 611 #endif
 612
 613 #ifdef _SC_V6_ILP32_OFF32
 614     { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF },
 615 #endif
 616 #ifdef _CS_POSIX_V6_ILP32_OFF32_CFLAGS
 617     { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR },
 618 #endif
 619 #ifdef _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
 620     { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR },
 621 #endif
 622 #ifdef _CS_POSIX_V6_ILP32_OFF32_LIBS
 623     { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR },
 624 #endif
 625 #ifdef _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS
 626     { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR },
 627 #endif
 628
 629 #ifdef _CS_V6_WIDTH_RESTRICTED_ENVS
 630     { "_POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
 631     { "POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR },
 632 #endif
 633
 634 #ifdef _SC_V6_ILP32_OFFBIG
 635     { "_POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG, SYSCONF },
 636 #endif
 637 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
 638     { "POSIX_V6_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, CONFSTR },
 639 #endif
 640 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
 641     { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, CONFSTR },
 642 #endif
 643 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LIBS
 644     { "POSIX_V6_ILP32_OFFBIG_LIBS", _CS_POSIX_V6_ILP32_OFFBIG_LIBS, CONFSTR },
 645 #endif
 646 #ifdef _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS
 647     { "POSIX_V6_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
 648 #endif
 649
 650 #ifdef _SC_V6_LP64_OFF64
 651     { "_POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64, SYSCONF },
 652 #endif
 653 #ifdef _CS_POSIX_V6_LP64_OFF64_CFLAGS
 654     { "POSIX_V6_LP64_OFF64_CFLAGS", _CS_POSIX_V6_LP64_OFF64_CFLAGS, CONFSTR },
 655 #endif
 656 #ifdef _CS_POSIX_V6_LP64_OFF64_LDFLAGS
 657     { "POSIX_V6_LP64_OFF64_LDFLAGS", _CS_POSIX_V6_LP64_OFF64_LDFLAGS, CONFSTR },
 658 #endif
 659 #ifdef _CS_POSIX_V6_LP64_OFF64_LIBS
 660     { "POSIX_V6_LP64_OFF64_LIBS", _CS_POSIX_V6_LP64_OFF64_LIBS, CONFSTR },
 661 #endif
 662 #ifdef _CS_POSIX_V6_LP64_OFF64_LINTFLAGS
 663     { "POSIX_V6_LP64_OFF64_LINTFLAGS", _CS_POSIX_V6_LP64_OFF64_LINTFLAGS, CONFSTR },
 664 #endif
 665
 666 #ifdef _SC_V6_LPBIG_OFFBIG
 667     { "_POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG, SYSCONF },
 668 #endif
 669 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
 670     { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, CONFSTR },
 671 #endif
 672 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
 673     { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
 674 #endif
 675 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
 676     { "POSIX_V6_LPBIG_OFFBIG_LIBS", _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, CONFSTR },
 677 #endif
 678 #ifdef _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS
 679     { "POSIX_V6_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
 680 #endif
 681
 682 #ifdef _SC_V7_ILP32_OFF32
 683     { "_POSIX_V7_ILP32_OFF32", _SC_V7_ILP32_OFF32, SYSCONF },
 684 #endif
 685 #ifdef _CS_POSIX_V7_ILP32_OFF32_CFLAGS
 686     { "POSIX_V7_ILP32_OFF32_CFLAGS", _CS_POSIX_V7_ILP32_OFF32_CFLAGS, CONFSTR },
 687 #endif
 688 #ifdef _CS_POSIX_V7_ILP32_OFF32_LDFLAGS
 689     { "POSIX_V7_ILP32_OFF32_LDFLAGS", _CS_POSIX_V7_ILP32_OFF32_LDFLAGS, CONFSTR },
 690 #endif
 691 #ifdef _CS_POSIX_V7_ILP32_OFF32_LIBS
 692     { "POSIX_V7_ILP32_OFF32_LIBS", _CS_POSIX_V7_ILP32_OFF32_LIBS, CONFSTR },
 693 #endif
 694 #ifdef _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS
 695     { "POSIX_V7_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS, CONFSTR },
 696 #endif
 697
 698 #ifdef _CS_V7_WIDTH_RESTRICTED_ENVS
 699     { "_POSIX_V7_WIDTH_RESTRICTED_ENVS", _CS_V7_WIDTH_RESTRICTED_ENVS, CONFSTR },
 700     { "POSIX_V7_WIDTH_RESTRICTED_ENVS", _CS_V7_WIDTH_RESTRICTED_ENVS, CONFSTR },
 701 #endif
 702
 703 #ifdef _SC_V7_ILP32_OFFBIG
 704     { "_POSIX_V7_ILP32_OFFBIG", _SC_V7_ILP32_OFFBIG, SYSCONF },
 705 #endif
 706 #ifdef _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS
 707     { "POSIX_V7_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS, CONFSTR },
 708 #endif
 709 #ifdef _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS
 710     { "POSIX_V7_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS, CONFSTR },
 711 #endif
 712 #ifdef _CS_POSIX_V7_ILP32_OFFBIG_LIBS
 713     { "POSIX_V7_ILP32_OFFBIG_LIBS", _CS_POSIX_V7_ILP32_OFFBIG_LIBS, CONFSTR },
 714 #endif
 715 #ifdef _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS
 716     { "POSIX_V7_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS, CONFSTR },
 717 #endif
 718
 719 #ifdef _SC_V7_LP64_OFF64
 720     { "_POSIX_V7_LP64_OFF64", _SC_V7_LP64_OFF64, SYSCONF },
 721 #endif
 722 #ifdef _CS_POSIX_V7_LP64_OFF64_CFLAGS
 723     { "POSIX_V7_LP64_OFF64_CFLAGS", _CS_POSIX_V7_LP64_OFF64_CFLAGS, CONFSTR },
 724 #endif
 725 #ifdef _CS_POSIX_V7_LP64_OFF64_LDFLAGS
 726     { "POSIX_V7_LP64_OFF64_LDFLAGS", _CS_POSIX_V7_LP64_OFF64_LDFLAGS, CONFSTR },
 727 #endif
 728 #ifdef _CS_POSIX_V7_LP64_OFF64_LIBS
 729     { "POSIX_V7_LP64_OFF64_LIBS", _CS_POSIX_V7_LP64_OFF64_LIBS, CONFSTR },
 730 #endif
 731 #ifdef _CS_POSIX_V7_LP64_OFF64_LINTFLAGS
 732     { "POSIX_V7_LP64_OFF64_LINTFLAGS", _CS_POSIX_V7_LP64_OFF64_LINTFLAGS, CONFSTR },
 733 #endif
 734
 735 #ifdef _SC_V7_LPBIG_OFFBIG
 736     { "_POSIX_V7_LPBIG_OFFBIG", _SC_V7_LPBIG_OFFBIG, SYSCONF },
 737 #endif
 738 #ifdef _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS
 739     { "POSIX_V7_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS, CONFSTR },
 740 #endif
 741 #ifdef _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS
 742     { "POSIX_V7_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS, CONFSTR },
 743 #endif
 744 #ifdef _CS_POSIX_V7_LPBIG_OFFBIG_LIBS
 745     { "POSIX_V7_LPBIG_OFFBIG_LIBS", _CS_POSIX_V7_LPBIG_OFFBIG_LIBS, CONFSTR },
 746 #endif
 747 #ifdef _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS
 748     { "POSIX_V7_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS, CONFSTR },
 749 #endif
 750
 751 #ifdef _SC_ADVISORY_INFO
 752     { "_POSIX_ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF },
 753 #endif
 754 #ifdef _SC_BARRIERS
 755     { "_POSIX_BARRIERS", _SC_BARRIERS, SYSCONF },
 756 #endif
 757 #ifdef _SC_BASE
 758     { "_POSIX_BASE", _SC_BASE, SYSCONF },
 759 #endif
 760 #ifdef _SC_C_LANG_SUPPORT
 761     { "_POSIX_C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF },
 762 #endif
 763 #ifdef _SC_C_LANG_SUPPORT_R
 764     { "_POSIX_C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF },
 765 #endif
 766 #ifdef _SC_CLOCK_SELECTION
 767     { "_POSIX_CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF },
 768 #endif
 769 #ifdef _SC_CPUTIME
 770     { "_POSIX_CPUTIME", _SC_CPUTIME, SYSCONF },
 771 #endif
 772 #ifdef _SC_THREAD_CPUTIME
 773     { "_POSIX_THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF },
 774 #endif
 775 #ifdef _SC_DEVICE_SPECIFIC
 776     { "_POSIX_DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF },
 777 #endif
 778 #ifdef _SC_DEVICE_SPECIFIC_R
 779     { "_POSIX_DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF },
 780 #endif
 781 #ifdef _SC_FD_MGMT
 782     { "_POSIX_FD_MGMT", _SC_FD_MGMT, SYSCONF },
 783 #endif
 784 #ifdef _SC_FIFO
 785     { "_POSIX_FIFO", _SC_FIFO, SYSCONF },
 786 #endif
 787 #ifdef _SC_PIPE
 788     { "_POSIX_PIPE", _SC_PIPE, SYSCONF },
 789 #endif
 790 #ifdef _SC_FILE_ATTRIBUTES
 791     { "_POSIX_FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF },
 792 #endif
 793 #ifdef _SC_FILE_LOCKING
 794     { "_POSIX_FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF },
 795 #endif
 796 #ifdef _SC_FILE_SYSTEM
 797     { "_POSIX_FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF },
 798 #endif
 799 #ifdef _SC_MONOTONIC_CLOCK
 800     { "_POSIX_MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF },
 801 #endif
 802 #ifdef _SC_MULTI_PROCESS
 803     { "_POSIX_MULTI_PROCESS", _SC_MULTI_PROCESS, SYSCONF },
 804 #endif
 805 #ifdef _SC_SINGLE_PROCESS
 806     { "_POSIX_SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF },
 807 #endif
 808 #ifdef _SC_NETWORKING
 809     { "_POSIX_NETWORKING", _SC_NETWORKING, SYSCONF },
 810 #endif
 811 #ifdef _SC_READER_WRITER_LOCKS
 812     { "_POSIX_READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF },
 813 #endif
 814 #ifdef _SC_SPIN_LOCKS
 815     { "_POSIX_SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF },
 816 #endif
 817 #ifdef _SC_REGEXP
 818     { "_POSIX_REGEXP", _SC_REGEXP, SYSCONF },
 819 #endif
 820 #ifdef _SC_REGEX_VERSION
 821     { "_REGEX_VERSION", _SC_REGEX_VERSION, SYSCONF },
 822 #endif
 823 #ifdef _SC_SHELL
 824     { "_POSIX_SHELL", _SC_SHELL, SYSCONF },
 825 #endif
 826 #ifdef _SC_SIGNALS
 827     { "_POSIX_SIGNALS", _SC_SIGNALS, SYSCONF },
 828 #endif
 829 #ifdef _SC_SPAWN
 830     { "_POSIX_SPAWN", _SC_SPAWN, SYSCONF },
 831 #endif
 832 #ifdef _SC_SPORADIC_SERVER
 833     { "_POSIX_SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF },
 834 #endif
 835 #ifdef _SC_THREAD_SPORADIC_SERVER
 836     { "_POSIX_THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF },
 837 #endif
 838 #ifdef _SC_SYSTEM_DATABASE
 839     { "_POSIX_SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF },
 840 #endif
 841 #ifdef _SC_SYSTEM_DATABASE_R
 842     { "_POSIX_SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF },
 843 #endif
 844 #ifdef _SC_TIMEOUTS
 845     { "_POSIX_TIMEOUTS", _SC_TIMEOUTS, SYSCONF },
 846 #endif
 847 #ifdef _SC_TYPED_MEMORY_OBJECTS
 848     { "_POSIX_TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF },
 849 #endif
 850 #ifdef _SC_USER_GROUPS
 851     { "_POSIX_USER_GROUPS", _SC_USER_GROUPS, SYSCONF },
 852 #endif
 853 #ifdef _SC_USER_GROUPS_R
 854     { "_POSIX_USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF },
 855 #endif
 856 #ifdef _SC_2_PBS
 857     { "POSIX2_PBS", _SC_2_PBS, SYSCONF },
 858 #endif
 859 #ifdef _SC_2_PBS_ACCOUNTING
 860     { "POSIX2_PBS_ACCOUNTING", _SC_2_PBS_ACCOUNTING, SYSCONF },
 861 #endif
 862 #ifdef _SC_2_PBS_LOCATE
 863     { "POSIX2_PBS_LOCATE", _SC_2_PBS_LOCATE, SYSCONF },
 864 #endif
 865 #ifdef _SC_2_PBS_TRACK
 866     { "POSIX2_PBS_TRACK", _SC_2_PBS_TRACK, SYSCONF },
 867 #endif
 868 #ifdef _SC_2_PBS_MESSAGE
 869     { "POSIX2_PBS_MESSAGE", _SC_2_PBS_MESSAGE, SYSCONF },
 870 #endif
 871 #ifdef _SC_SYMLOOP_MAX
 872     { "SYMLOOP_MAX", _SC_SYMLOOP_MAX, SYSCONF },
 873 #endif
 874 #ifdef _SC_STREAM_MAX
 875     { "STREAM_MAX", _SC_STREAM_MAX, SYSCONF },
 876 #endif
 877 #ifdef _SC_AIO_LISTIO_MAX
 878     { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX, SYSCONF },
 879 #endif
 880 #ifdef _SC_AIO_MAX
 881     { "AIO_MAX", _SC_AIO_MAX, SYSCONF },
 882 #endif
 883 #ifdef _SC_AIO_PRIO_DELTA_MAX
 884     { "AIO_PRIO_DELTA_MAX", _SC_AIO_PRIO_DELTA_MAX, SYSCONF },
 885 #endif
 886 #ifdef _SC_DELAYTIMER_MAX
 887     { "DELAYTIMER_MAX", _SC_DELAYTIMER_MAX, SYSCONF },
 888 #endif
 889 #ifdef _SC_HOST_NAME_MAX
 890     { "HOST_NAME_MAX", _SC_HOST_NAME_MAX, SYSCONF },
 891 #endif
 892 #ifdef _SC_LOGIN_NAME_MAX
 893     { "LOGIN_NAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF },
 894 #endif
 895 #ifdef _SC_MQ_OPEN_MAX
 896     { "MQ_OPEN_MAX", _SC_MQ_OPEN_MAX, SYSCONF },
 897 #endif
 898 #ifdef _SC_MQ_PRIO_MAX
 899     { "MQ_PRIO_MAX", _SC_MQ_PRIO_MAX, SYSCONF },
 900 #endif
 901 #ifdef _SC_DEVICE_IO
 902     { "_POSIX_DEVICE_IO", _SC_DEVICE_IO, SYSCONF },
 903 #endif
 904 #ifdef _SC_TRACE
 905     { "_POSIX_TRACE", _SC_TRACE, SYSCONF },
 906 #endif
 907 #ifdef _SC_TRACE_EVENT_FILTER
 908     { "_POSIX_TRACE_EVENT_FILTER", _SC_TRACE_EVENT_FILTER, SYSCONF },
 909 #endif
 910 #ifdef _SC_TRACE_INHERIT
 911     { "_POSIX_TRACE_INHERIT", _SC_TRACE_INHERIT, SYSCONF },
 912 #endif
 913 #ifdef _SC_TRACE_LOG
 914     { "_POSIX_TRACE_LOG", _SC_TRACE_LOG, SYSCONF },
 915 #endif
 916 #ifdef _SC_RTSIG_MAX
 917     { "RTSIG_MAX", _SC_RTSIG_MAX, SYSCONF },
 918 #endif
 919 #ifdef _SC_SEM_NSEMS_MAX
 920     { "SEM_NSEMS_MAX", _SC_SEM_NSEMS_MAX, SYSCONF },
 921 #endif
 922 #ifdef _SC_SEM_VALUE_MAX
 923     { "SEM_VALUE_MAX", _SC_SEM_VALUE_MAX, SYSCONF },
 924 #endif
 925 #ifdef _SC_SIGQUEUE_MAX
 926     { "SIGQUEUE_MAX", _SC_SIGQUEUE_MAX, SYSCONF },
 927 #endif
 928 #ifdef _PC_FILESIZEBITS
 929     { "FILESIZEBITS", _PC_FILESIZEBITS, PATHCONF },
 930 #endif
 931 #ifdef _PC_ALLOC_SIZE_MIN
 932     { "POSIX_ALLOC_SIZE_MIN", _PC_ALLOC_SIZE_MIN, PATHCONF },
 933 #endif
 934 #ifdef _PC_REC_INCR_XFER_SIZE
 935     { "POSIX_REC_INCR_XFER_SIZE", _PC_REC_INCR_XFER_SIZE, PATHCONF },
 936 #endif
 937 #ifdef _PC_REC_MAX_XFER_SIZE
 938     { "POSIX_REC_MAX_XFER_SIZE", _PC_REC_MAX_XFER_SIZE, PATHCONF },
 939 #endif
 940 #ifdef _PC_REC_MIN_XFER_SIZE
 941     { "POSIX_REC_MIN_XFER_SIZE", _PC_REC_MIN_XFER_SIZE, PATHCONF },
 942 #endif
 943 #ifdef _PC_REC_XFER_ALIGN
 944     { "POSIX_REC_XFER_ALIGN", _PC_REC_XFER_ALIGN, PATHCONF },
 945 #endif
 946 #ifdef _PC_SYMLINK_MAX
 947     { "SYMLINK_MAX", _PC_SYMLINK_MAX, PATHCONF },
 948 #endif
 949 #ifdef _CS_GNU_LIBC_VERSION
 950     { "GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION, CONFSTR },
 951 #endif
 952 #ifdef _CS_GNU_LIBPTHREAD_VERSION
 953     { "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR },
 954 #endif
 955 #ifdef _PC_2_SYMLINKS
 956     { "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF },
 957 #endif
 958
 959 #ifdef _SC_LEVEL1_ICACHE_SIZE
 960     { "LEVEL1_ICACHE_SIZE", _SC_LEVEL1_ICACHE_SIZE, SYSCONF },
 961 #endif
 962 #ifdef _SC_LEVEL1_ICACHE_ASSOC
 963     { "LEVEL1_ICACHE_ASSOC", _SC_LEVEL1_ICACHE_ASSOC, SYSCONF },
 964 #endif
 965 #ifdef _SC_LEVEL1_ICACHE_LINESIZE
 966     { "LEVEL1_ICACHE_LINESIZE", _SC_LEVEL1_ICACHE_LINESIZE, SYSCONF },
 967 #endif
 968 #ifdef _SC_LEVEL1_DCACHE_SIZE
 969     { "LEVEL1_DCACHE_SIZE", _SC_LEVEL1_DCACHE_SIZE, SYSCONF },
 970 #endif
 971 #ifdef _SC_LEVEL1_DCACHE_ASSOC
 972     { "LEVEL1_DCACHE_ASSOC", _SC_LEVEL1_DCACHE_ASSOC, SYSCONF },
 973 #endif
 974 #ifdef _SC_LEVEL1_DCACHE_LINESIZE
 975     { "LEVEL1_DCACHE_LINESIZE", _SC_LEVEL1_DCACHE_LINESIZE, SYSCONF },
 976 #endif
 977 #ifdef _SC_LEVEL2_CACHE_SIZE
 978     { "LEVEL2_CACHE_SIZE", _SC_LEVEL2_CACHE_SIZE, SYSCONF },
 979 #endif
 980 #ifdef _SC_LEVEL2_CACHE_ASSOC
 981     { "LEVEL2_CACHE_ASSOC", _SC_LEVEL2_CACHE_ASSOC, SYSCONF },
 982 #endif
 983 #ifdef _SC_LEVEL2_CACHE_LINESIZE
 984     { "LEVEL2_CACHE_LINESIZE", _SC_LEVEL2_CACHE_LINESIZE, SYSCONF },
 985 #endif
 986 #ifdef _SC_LEVEL3_CACHE_SIZE
 987     { "LEVEL3_CACHE_SIZE", _SC_LEVEL3_CACHE_SIZE, SYSCONF },
 988 #endif
 989 #ifdef _SC_LEVEL3_CACHE_ASSOC
 990     { "LEVEL3_CACHE_ASSOC", _SC_LEVEL3_CACHE_ASSOC, SYSCONF },
 991 #endif
 992 #ifdef _SC_LEVEL3_CACHE_LINESIZE
 993     { "LEVEL3_CACHE_LINESIZE", _SC_LEVEL3_CACHE_LINESIZE, SYSCONF },
 994 #endif
 995 #ifdef _SC_LEVEL4_CACHE_SIZE
 996     { "LEVEL4_CACHE_SIZE", _SC_LEVEL4_CACHE_SIZE, SYSCONF },
 997 #endif
 998 #ifdef _SC_LEVEL4_CACHE_ASSOC
 999     { "LEVEL4_CACHE_ASSOC", _SC_LEVEL4_CACHE_ASSOC, SYSCONF },
1000 #endif
1001 #ifdef _SC_LEVEL4_CACHE_LINESIZE
1002     { "LEVEL4_CACHE_LINESIZE", _SC_LEVEL4_CACHE_LINESIZE, SYSCONF },
1003 #endif
1004
1005 #ifdef _SC_IPV6
1006     { "IPV6", _SC_IPV6, SYSCONF },
1007 #endif
1008 #ifdef _SC_RAW_SOCKETS
1009     { "RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF },
1010 #endif
1011
1012     { NULL, 0, SYSCONF }
1013   };
1014
1015
1016 static const struct { const char *name; int num; } specs[] =
1017   {
1018 #ifdef _SC_XBS5_ILP32_OFF32
1019     { "XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32 },
1020 #endif
1021 #ifdef _SC_XBS5_ILP32_OFFBIG
1022     { "XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG },
1023 #endif
1024 #ifdef _SC_XBS5_LP64_OFF64
1025     { "XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64 },
1026 #endif
1027 #ifdef _SC_XBS5_LPBIG_OFFBIG
1028     { "XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG },
1029 #endif
1030 #ifdef _SC_V6_ILP32_OFF32
1031     { "POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32 },
1032 #endif
1033 #ifdef _SC_V6_ILP32_OFFBIG
1034     { "POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG },
1035 #endif
1036 #ifdef _SC_V6_LP64_OFF64
1037     { "POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64 },
1038 #endif
1039 #ifdef _SC_V6_LPBIG_OFFBIG
1040     { "POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG },
1041 #endif
1042 #ifdef _SC_V7_ILP32_OFF32
1043     { "POSIX_V7_ILP32_OFF32", _SC_V7_ILP32_OFF32 },
1044 #endif
1045 #ifdef _SC_V7_ILP32_OFFBIG
1046     { "POSIX_V7_ILP32_OFFBIG", _SC_V7_ILP32_OFFBIG },
1047 #endif
1048 #ifdef _SC_V7_LP64_OFF64
1049     { "POSIX_V7_LP64_OFF64", _SC_V7_LP64_OFF64 },
1050 #endif
1051 #ifdef _SC_V7_LPBIG_OFFBIG
1052     { "POSIX_V7_LPBIG_OFFBIG", _SC_V7_LPBIG_OFFBIG },
1053 #endif
1054   };
1055 static const int nspecs = sizeof (specs) / sizeof (specs[0]);
1056
1057 #ifdef __UCLIBC_HAS___PROGNAME__
1058 extern const char *__progname;
1059 #else
1060 #define __progname "foo"
1061 #endif
1062
1063 static void
1064 usage (void)
1065 {
1066   fprintf (stderr,
1067            _("Usage: %s [-v specification] variable_name [pathname]\n"),
1068            __progname);
1069   fprintf (stderr,
1070            _("       %s -a [pathname]\n"), __progname);
1071   exit (2);
1072 }
1073
1074
1075 static void
1076 print_all (const char *path)
1077 {
1078   register const struct conf *c;
1079   size_t clen;
1080   long int value;
1081   char *cvalue;
1082   for (c = vars; c->name != NULL; ++c) {
1083     printf("%-35s", c->name);
1084     switch (c->call) {
1085       case PATHCONF:
1086         value = pathconf (path, c->call_name);
1087         if (value != -1) {
1088           printf("%ld", value);
1089         }
1090         printf("\n");
1091         break;
1092       case SYSCONF:
1093         value = sysconf (c->call_name);
1094         if (value == -1l) {
1095           if (c->call_name == _SC_UINT_MAX
1096             || c->call_name == _SC_ULONG_MAX)
1097             printf ("%lu", value);
1098         }
1099         else {
1100           printf ("%ld", value);
1101         }
1102         printf ("\n");
1103         break;
1104       case CONFSTR:
1105         clen = confstr (c->call_name, (char *) NULL, 0);
1106         cvalue = (char *) malloc (clen);
1107         if (cvalue == NULL)
1108           error (3, 0, _("memory exhausted"));
1109         if (confstr (c->call_name, cvalue, clen) != clen)
1110           error (3, errno, "confstr");
1111         printf ("%.*s\n", (int) clen, cvalue);
1112         free (cvalue);
1113         break;
1114     }
1115   }
1116   exit (0);
1117 }
1118
1119 int
1120 main (int argc, char *argv[])
1121 {
1122   register const struct conf *c;
1123
1124   /* Set locale.  Do not set LC_ALL because the other categories must
1125      not be affected (according to POSIX.2).  */
1126
1127   /* Initialize the message catalog.  */
1128
1129   if (argc > 1 && strcmp (argv[1], "--version") == 0)
1130     {
1131       printf ("getconf (GNU %s) %s\n", PACKAGE, VERSION);
1132       printf ("\
1133 Copyright (C) %s Free Software Foundation, Inc.\n\
1134 This is free software; see the source for copying conditions.  There is NO\n\
1135 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
1136 ", "2009");
1137       printf ("Written by %s.\n", "Roland McGrath");
1138       return 0;
1139     }
1140
1141   if (argc > 1 && strcmp (argv[1], "--help") == 0)
1142     {
1143       printf ("\
1144 Usage: getconf [-v SPEC] VAR\n\
1145   or:  getconf [-v SPEC] PATH_VAR PATH\n\
1146 \n\
1147 Get the configuration value for variable VAR, or for variable PATH_VAR\n\
1148 for path PATH.  If SPEC is given, give values for compilation\n\
1149 environment SPEC.\n\n");
1150       fputs ("For bug reporting instructions, please see:\n\
1151 <http://www.gnu.org/software/libc/bugs.html>.\n", stdout);
1152       return 0;
1153     }
1154
1155   const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR;
1156   size_t getconf_dirlen = strlen (getconf_dir);
1157
1158   const char *spec = NULL;
1159   char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"];
1160   char *argv0 = argv[0];
1161   if (argc > 1 && strncmp (argv[1], "-v", 2) == 0)
1162     {
1163       if (argv[1][2] == '\0')
1164         {
1165           if (argc < 3)
1166             usage ();
1167
1168           spec = argv[2];
1169           argv += 2;
1170           argc -= 2;
1171         }
1172       else
1173         {
1174           spec = &argv[1][2];
1175           argv += 1;
1176           argc += 1;
1177         }
1178     }
1179   else
1180     {
1181       char default_name[getconf_dirlen + sizeof "/default"];
1182       memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen),
1183               "/default", sizeof "/default");
1184       int len = readlink (default_name, buf, sizeof buf - 1);
1185       if (len > 0)
1186         {
1187           buf[len] = '\0';
1188           spec = buf;
1189         }
1190     }
1191
1192   /* Check for the specifications we know.  */
1193   if (spec != NULL)
1194     {
1195       int i;
1196       for (i = 0; i < nspecs; ++i)
1197         if (strcmp (spec, specs[i].name) == 0)
1198           break;
1199
1200       if (i == nspecs)
1201         error (2, 0, _("unknown specification \"%s\""), spec);
1202
1203       switch (specs[i].num)
1204         {
1205 #if !defined(_XBS5_ILP32_OFF32) && defined(_SC_XBS5_ILP32_OFF32)
1206         case _SC_XBS5_ILP32_OFF32:
1207 #endif
1208 #if !defined(_XBS5_ILP32_OFFBIG) && defined(_SC_XBS5_ILP32_OFFBIG)
1209         case _SC_XBS5_ILP32_OFFBIG:
1210 #endif
1211 #if !defined(_XBS5_LP64_OFF64) && defined(_SC_XBS5_LP64_OFF64)
1212         case _SC_XBS5_LP64_OFF64:
1213 #endif
1214 #if !defined(_XBS5_LPBIG_OFFBIG) && defined(_SC_XBS5_LPBIG_OFFBIG)
1215         case _SC_XBS5_LPBIG_OFFBIG:
1216 #endif
1217 #if !defined(_POSIX_V6_ILP32_OFF32) && defined(_SC_V6_ILP32_OFF32)
1218         case _SC_V6_ILP32_OFF32:
1219 #endif
1220 #if !defined(_POSIX_V6_ILP32_OFFBIG) && defined(_SC_V6_ILP32_OFFBIG)
1221         case _SC_V6_ILP32_OFFBIG:
1222 #endif
1223 #if !defined(_POSIX_V6_LP64_OFF64) && defined(_SC_V6_LP64_OFF64)
1224         case _SC_V6_LP64_OFF64:
1225 #endif
1226 #if !defined(_POSIX_V6_LPBIG_OFFBIG) && defined(_SC_V6_LPBIG_OFFBIG)
1227         case _SC_V6_LPBIG_OFFBIG:
1228 #endif
1229 #if !defined(_POSIX_V7_ILP32_OFF32) && defined(_SC_V7_ILP32_OFF32)
1230         case _SC_V7_ILP32_OFF32:
1231 #endif
1232 #if !defined(_POSIX_V7_ILP32_OFFBIG) && defined(_SC_V7_ILP32_OFFBIG)
1233         case _SC_V7_ILP32_OFFBIG:
1234 #endif
1235 #if !defined(_POSIX_V7_LP64_OFF64) && defined(_SC_V7_LP64_OFF64)
1236         case _SC_V7_LP64_OFF64:
1237 #endif
1238 #if !defined(_POSIX_V7_LPBIG_OFFBIG) && defined(_SC_V7_LPBIG_OFFBIG)
1239         case _SC_V7_LPBIG_OFFBIG:
1240 #endif
1241             {
1242               const char *args[argc + 3];
1243               size_t spec_len = strlen (spec);
1244               char getconf_name[getconf_dirlen + 1 + spec_len + 1];
1245               memcpy (mempcpy (mempcpy (getconf_name, getconf_dir,
1246                                         getconf_dirlen),
1247                                "/", 1), spec, spec_len + 1);
1248               args[0] = argv0;
1249               args[1] = "-v";
1250               args[2] = spec;
1251               memcpy (&args[3], &argv[1], argc * sizeof (argv[1]));
1252               execv (getconf_name, (char * const *) args);
1253               error (4, errno, _("Couldn't execute %s"), getconf_name);
1254             }
1255           default:
1256             break;
1257         }
1258     }
1259
1260   if (argc > 1 && strcmp (argv[1], "-a") == 0)
1261     {
1262       if (argc == 2)
1263         print_all ("/");
1264       else if (argc == 3)
1265         print_all (argv[2]);
1266       else
1267         usage ();
1268     }
1269
1270   int ai = 1;
1271   if (argc > ai && strcmp (argv[ai], "--") == 0)
1272     ++ai;
1273
1274   if (argc - ai < 1 || argc - ai > 2)
1275     usage ();
1276
1277   for (c = vars; c->name != NULL; ++c)
1278     if (strcmp (c->name, argv[ai]) == 0
1279         || (strncmp (c->name, "_POSIX_", 7) == 0
1280             && strcmp (c->name + 7, argv[ai]) == 0))
1281       {
1282         long int value;
1283         size_t clen;
1284         char *cvalue;
1285         switch (c->call)
1286           {
1287           case PATHCONF:
1288             if (argc - ai < 2)
1289               usage ();
1290             errno = 0;
1291             value = pathconf (argv[ai + 1], c->call_name);
1292             if (value == -1)
1293               {
1294                 if (errno) {
1295                   error (3, errno, "pathconf: %s", argv[ai + 1]);
1296                 } else
1297                   puts (_("undefined"));
1298               }
1299             else
1300               printf ("%ld\n", value);
1301             exit (0);
1302
1303           case SYSCONF:
1304             if (argc - ai > 1)
1305               usage ();
1306             value = sysconf (c->call_name);
1307             if (value == -1l)
1308               {
1309                 if (c->call_name == _SC_UINT_MAX
1310                     || c->call_name == _SC_ULONG_MAX)
1311                   printf ("%lu\n", value);
1312                 else
1313                   puts (_("undefined"));
1314               }
1315             else
1316               printf ("%ld\n", value);
1317             exit (0);
1318
1319           case CONFSTR:
1320             if (argc - ai > 1)
1321               usage ();
1322             clen = confstr (c->call_name, (char *) NULL, 0);
1323             cvalue = (char *) malloc (clen);
1324             if (cvalue == NULL)
1325               error (3, 0, _("memory exhausted"));
1326
1327             if (confstr (c->call_name, cvalue, clen) != clen)
1328               error (3, errno, "confstr");
1329
1330             printf ("%.*s\n", (int) clen, cvalue);
1331             exit (0);
1332           }
1333       }
1334
1335   error (2, 0, _("Unrecognized variable `%s'"), argv[ai]);
1336   /* NOTREACHED */
1337   return 2;
1338 }