1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * Copyright 1985, 1993 by Mortice Kern Systems Inc. All rights reserved. 29 * 30 */ 31 32 #pragma ident "%Z%%M% %I% %E% SMI" 33 34 /* 35 * getconf -- POSIX.2 compatible utility to query configuration specific 36 * parameters. 37 * -- XPG4 support added June/93 38 * 39 * -- XPG5 support added Dec/97 40 * 41 * -- XPG6 support added May/2003 42 */ 43 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <errno.h> 48 #include <unistd.h> 49 #include <limits.h> 50 #include <locale.h> 51 #include <libintl.h> 52 #include <assert.h> 53 54 extern size_t confstr(int, char *, size_t); 55 56 static int aflag = 0; 57 58 #define INVAL_ARG "getconf: Invalid argument (%s)\n" 59 #define INVAL_PATHARG "getconf: Invalid argument (%s or %s)\n" 60 61 /* 62 * Notes: 63 * The sctab.value field is defined to be a long. 64 * There are some values that are "unsigned long"; these values 65 * can be stored in a "long" field but when output, must be printed 66 * as an unsigned value. Thus, these values must have UNSIGNED_VALUE bit 67 * set in sctab.flag field. 68 * 69 * There are 2 different ways to indicate a symbol is undefined: 70 * 1) sctab.flag = UNDEFINED 71 * 2) or sctab.value = -1 (and if !UNDEFINED and !UNSIGNED_VALUE) 72 * 73 * There are a group of symbols (e.g CHAR_MIN, INT_MAX, INT_MIN, LONG_BIT ...) 74 * which we may set to -1 if they are not pre-defined in a system header file. 75 * This is used to indicate that these symbols are "undefined". 76 * We are assuming that these symbols cannot reasonably have a value of -1 77 * if they were defined in a system header file. 78 * (Unless of course -1 can be used to indicate "undefined" for that symbol) 79 */ 80 81 static struct sctab { 82 long value; 83 char *name; 84 enum { SELFCONF, SYSCONF, PATHCONF, CONFSTR } type; 85 int flag; 86 /* bit fields for sctab.flag member */ 87 #define NOFLAGS 0 /* no special indicators */ 88 #define UNDEFINED 1 /* value is known undefined at compile time */ 89 #define UNSIGNED_VALUE 2 /* value is an unsigned */ 90 } sctab[] = { 91 /* 92 * Some entries in this structure have both leading _ and non leading _ 93 * versions for compatibility with various versions of the specifications. 94 * It is not expected that both forms will be required for new entries. 95 */ 96 97 /* POSIX.2-1992 table 2-17 */ 98 _POSIX2_BC_BASE_MAX, "POSIX2_BC_BASE_MAX", SELFCONF, NOFLAGS, 99 _POSIX2_BC_BASE_MAX, "_POSIX2_BC_BASE_MAX", SELFCONF, NOFLAGS, 100 _POSIX2_BC_DIM_MAX, "POSIX2_BC_DIM_MAX", SELFCONF, NOFLAGS, 101 _POSIX2_BC_DIM_MAX, "_POSIX2_BC_DIM_MAX", SELFCONF, NOFLAGS, 102 _POSIX2_BC_SCALE_MAX, "POSIX2_BC_SCALE_MAX", SELFCONF, NOFLAGS, 103 _POSIX2_BC_SCALE_MAX, "_POSIX2_BC_SCALE_MAX", SELFCONF, NOFLAGS, 104 _POSIX2_BC_STRING_MAX, "POSIX2_BC_STRING_MAX", SELFCONF, NOFLAGS, 105 _POSIX2_BC_STRING_MAX, "_POSIX2_BC_STRING_MAX", SELFCONF, NOFLAGS, 106 _POSIX2_COLL_WEIGHTS_MAX, "POSIX2_COLL_WEIGHTS_MAX", SELFCONF, NOFLAGS, 107 _POSIX2_COLL_WEIGHTS_MAX, "_POSIX2_COLL_WEIGHTS_MAX", SELFCONF, NOFLAGS, 108 _POSIX2_EXPR_NEST_MAX, "POSIX2_EXPR_NEST_MAX", SELFCONF, NOFLAGS, 109 _POSIX2_EXPR_NEST_MAX, "_POSIX2_EXPR_NEST_MAX", SELFCONF, NOFLAGS, 110 _POSIX2_LINE_MAX, "POSIX2_LINE_MAX", SELFCONF, NOFLAGS, 111 _POSIX2_LINE_MAX, "_POSIX2_LINE_MAX", SELFCONF, NOFLAGS, 112 _POSIX2_RE_DUP_MAX, "POSIX2_RE_DUP_MAX", SELFCONF, NOFLAGS, 113 _POSIX2_RE_DUP_MAX, "_POSIX2_RE_DUP_MAX", SELFCONF, NOFLAGS, 114 /* See limits.h section below for _POSIX_RE_DUP_MAX */ 115 116 /* UNIX 98 */ 117 _POSIX_AIO_LISTIO_MAX, "_POSIX_AIO_LISTIO_MAX", SELFCONF, NOFLAGS, 118 _POSIX_AIO_MAX, "_POSIX_AIO_MAX", SELFCONF, NOFLAGS, 119 _POSIX_DELAYTIMER_MAX, "_POSIX_DELAYTIMER_MAX", SELFCONF, NOFLAGS, 120 _POSIX_LOGIN_NAME_MAX, "_POSIX_LOGIN_NAME_MAX", SELFCONF, NOFLAGS, 121 _POSIX_MQ_OPEN_MAX, "_POSIX_MQ_OPEN_MAX", SELFCONF, NOFLAGS, 122 _POSIX_MQ_PRIO_MAX, "_POSIX_MQ_PRIO_MAX", SELFCONF, NOFLAGS, 123 _POSIX_RTSIG_MAX, "_POSIX_RTSIG_MAX", SELFCONF, NOFLAGS, 124 _POSIX_SEM_NSEMS_MAX, "_POSIX_SEM_NSEMS_MAX", SELFCONF, NOFLAGS, 125 _POSIX_SEM_VALUE_MAX, "_POSIX_SEM_VALUE_MAX", SELFCONF, NOFLAGS, 126 _POSIX_SIGQUEUE_MAX, "_POSIX_SIGQUEUE_MAX", SELFCONF, NOFLAGS, 127 _POSIX_TTY_NAME_MAX, "_POSIX_TTY_NAME_MAX", SELFCONF, NOFLAGS, 128 129 /* UNIX 03 */ 130 _POSIX_HOST_NAME_MAX, "_POSIX_HOST_NAME_MAX", SELFCONF, NOFLAGS, 131 _POSIX_RE_DUP_MAX, "_POSIX_RE_DUP_MAX", SELFCONF, NOFLAGS, 132 _POSIX_CLOCKRES_MIN, "_POSIX_CLOCKRES_MIN", SELFCONF, NOFLAGS, 133 _POSIX_SYMLINK_MAX, "_POSIX_SYMLINK_MAX", SELFCONF, NOFLAGS, 134 _POSIX_SYMLOOP_MAX, "_POSIX_SYMLOOP_MAX", SELFCONF, NOFLAGS, 135 CHARCLASS_NAME_MAX, "_POSIX2_CHARCLASS_NAME_MAX", SELFCONF, NOFLAGS, 136 137 /* POSIX.2-1992 table 2-17 */ 138 _SC_2_VERSION, "POSIX2_VERSION", SYSCONF, NOFLAGS, 139 _SC_2_VERSION, "_POSIX2_VERSION", SYSCONF, NOFLAGS, 140 141 /* POSIX.2-1992 table 2-18 */ 142 _SC_BC_BASE_MAX, "BC_BASE_MAX", SYSCONF, NOFLAGS, 143 _SC_BC_DIM_MAX, "BC_DIM_MAX", SYSCONF, NOFLAGS, 144 _SC_BC_SCALE_MAX, "BC_SCALE_MAX", SYSCONF, NOFLAGS, 145 _SC_BC_STRING_MAX, "BC_STRING_MAX", SYSCONF, NOFLAGS, 146 _SC_COLL_WEIGHTS_MAX, "COLL_WEIGHTS_MAX", SYSCONF, NOFLAGS, 147 _SC_EXPR_NEST_MAX, "EXPR_NEST_MAX", SYSCONF, NOFLAGS, 148 _SC_LINE_MAX, "LINE_MAX", SYSCONF, NOFLAGS, 149 _SC_RE_DUP_MAX, "RE_DUP_MAX", SYSCONF, NOFLAGS, 150 151 /* POSIX.2-1992 table 2-19 */ 152 _SC_2_C_BIND, "POSIX2_C_BIND", SYSCONF, NOFLAGS, 153 _SC_2_C_BIND, "_POSIX2_C_BIND", SYSCONF, NOFLAGS, 154 _SC_2_C_DEV, "POSIX2_C_DEV", SYSCONF, NOFLAGS, 155 _SC_2_C_DEV, "_POSIX2_C_DEV", SYSCONF, NOFLAGS, 156 _SC_2_CHAR_TERM, "POSIX2_CHAR_TERM", SYSCONF, NOFLAGS, 157 _SC_2_CHAR_TERM, "_POSIX2_CHAR_TERM", SYSCONF, NOFLAGS, 158 _SC_2_FORT_DEV, "POSIX2_FORT_DEV", SYSCONF, NOFLAGS, 159 _SC_2_FORT_DEV, "_POSIX2_FORT_DEV", SYSCONF, NOFLAGS, 160 _SC_2_FORT_RUN, "POSIX2_FORT_RUN", SYSCONF, NOFLAGS, 161 _SC_2_FORT_RUN, "_POSIX2_FORT_RUN", SYSCONF, NOFLAGS, 162 _SC_2_LOCALEDEF, "POSIX2_LOCALEDEF", SYSCONF, NOFLAGS, 163 _SC_2_LOCALEDEF, "_POSIX2_LOCALEDEF", SYSCONF, NOFLAGS, 164 _SC_2_SW_DEV, "POSIX2_SW_DEV", SYSCONF, NOFLAGS, 165 _SC_2_SW_DEV, "_POSIX2_SW_DEV", SYSCONF, NOFLAGS, 166 _SC_2_UPE, "POSIX2_UPE", SYSCONF, NOFLAGS, 167 _SC_2_UPE, "_POSIX2_UPE", SYSCONF, NOFLAGS, 168 169 /* POSIX.1-1990 table 2-3 */ 170 _POSIX_ARG_MAX, "_POSIX_ARG_MAX", SELFCONF, NOFLAGS, 171 _POSIX_CHILD_MAX, "_POSIX_CHILD_MAX", SELFCONF, NOFLAGS, 172 _POSIX_LINK_MAX, "_POSIX_LINK_MAX", SELFCONF, NOFLAGS, 173 _POSIX_MAX_CANON, "_POSIX_MAX_CANON", SELFCONF, NOFLAGS, 174 _POSIX_MAX_INPUT, "_POSIX_MAX_INPUT", SELFCONF, NOFLAGS, 175 _POSIX_NAME_MAX, "_POSIX_NAME_MAX", SELFCONF, NOFLAGS, 176 _POSIX_NGROUPS_MAX, "_POSIX_NGROUPS_MAX", SELFCONF, NOFLAGS, 177 _POSIX_OPEN_MAX, "_POSIX_OPEN_MAX", SELFCONF, NOFLAGS, 178 _POSIX_PATH_MAX, "_POSIX_PATH_MAX", SELFCONF, NOFLAGS, 179 _POSIX_PIPE_BUF, "_POSIX_PIPE_BUF", SELFCONF, NOFLAGS, 180 _POSIX_SSIZE_MAX, "_POSIX_SSIZE_MAX", SELFCONF, NOFLAGS, 181 _POSIX_STREAM_MAX, "_POSIX_STREAM_MAX", SELFCONF, NOFLAGS, 182 _POSIX_TIMER_MAX, "_POSIX_TIMER_MAX", SELFCONF, NOFLAGS, 183 _POSIX_THREAD_DESTRUCTOR_ITERATIONS, 184 "_POSIX_THREAD_DESTRUCTOR_ITERATIONS", SELFCONF, NOFLAGS, 185 _POSIX_THREAD_KEYS_MAX, 186 "_POSIX_THREAD_KEYS_MAX", SELFCONF, NOFLAGS, 187 _POSIX_THREAD_THREADS_MAX, 188 "_POSIX_THREAD_THREADS_MAX", SELFCONF, NOFLAGS, 189 _POSIX_TZNAME_MAX, "_POSIX_TZNAME_MAX", SELFCONF, NOFLAGS, 190 191 /* POSIX.1-1990 table 4-2 */ 192 _SC_ARG_MAX, "ARG_MAX", SYSCONF, NOFLAGS, 193 _SC_CHILD_MAX, "CHILD_MAX", SYSCONF, NOFLAGS, 194 _SC_CLK_TCK, "CLK_TCK", SYSCONF, NOFLAGS, 195 _SC_JOB_CONTROL, "_POSIX_JOB_CONTROL", SYSCONF, NOFLAGS, 196 _SC_NGROUPS_MAX, "NGROUPS_MAX", SYSCONF, NOFLAGS, 197 _SC_OPEN_MAX, "OPEN_MAX", SYSCONF, NOFLAGS, 198 _SC_SAVED_IDS, "_POSIX_SAVED_IDS", SYSCONF, NOFLAGS, 199 _SC_STREAM_MAX, "STREAM_MAX", SYSCONF, NOFLAGS, 200 _SC_TZNAME_MAX, "TZNAME_MAX", SYSCONF, NOFLAGS, 201 _SC_VERSION, "_POSIX_VERSION", SYSCONF, NOFLAGS, 202 203 /* pathconf() variables */ 204 205 /* POSIX.1-1990 table 5-2 */ 206 207 _PC_LINK_MAX, "LINK_MAX", PATHCONF, NOFLAGS, 208 _PC_MAX_CANON, "MAX_CANON", PATHCONF, NOFLAGS, 209 _PC_MAX_INPUT, "MAX_INPUT", PATHCONF, NOFLAGS, 210 _PC_NAME_MAX, "NAME_MAX", PATHCONF, NOFLAGS, 211 _PC_PATH_MAX, "PATH_MAX", PATHCONF, NOFLAGS, 212 _PC_PIPE_BUF, "PIPE_BUF", PATHCONF, NOFLAGS, 213 _PC_CHOWN_RESTRICTED, "_POSIX_CHOWN_RESTRICTED", PATHCONF, NOFLAGS, 214 _PC_NO_TRUNC, "_POSIX_NO_TRUNC", PATHCONF, NOFLAGS, 215 _PC_VDISABLE, "_POSIX_VDISABLE", PATHCONF, NOFLAGS, 216 217 /* UNIX 98 additions */ 218 219 _PC_ASYNC_IO, "_POSIX_ASYNC_IO", PATHCONF, NOFLAGS, 220 _PC_PRIO_IO, "_POSIX_PRIO_IO", PATHCONF, NOFLAGS, 221 _PC_SYNC_IO, "_POSIX_SYNC_IO", PATHCONF, NOFLAGS, 222 223 /* Large File Summit name (UNIX 98) */ 224 225 _PC_FILESIZEBITS, "FILESIZEBITS", PATHCONF, NOFLAGS, 226 227 /* UNIX 03 Additions */ 228 229 /* Not supporting the Advisory Information (ADV) at this time. */ 230 _PC_ALLOC_SIZE_MIN, "POSIX_ALLOC_SIZE_MIN", PATHCONF, NOFLAGS, 231 _PC_REC_INCR_XFER_SIZE, "POSIX_REC_INCR_XFER_SIZE", PATHCONF, NOFLAGS, 232 _PC_REC_MAX_XFER_SIZE, "POSIX_REC_MAX_XFER_SIZE", PATHCONF, NOFLAGS, 233 _PC_REC_MIN_XFER_SIZE, "POSIX_REC_MIN_XFER_SIZE", PATHCONF, NOFLAGS, 234 _PC_REC_XFER_ALIGN, "POSIX_REC_XFER_ALIGN", PATHCONF, NOFLAGS, 235 236 _PC_2_SYMLINKS, "POSIX2_SYMLINKS", PATHCONF, NOFLAGS, 237 _PC_SYMLINK_MAX, "SYMLINK_MAX", PATHCONF, NOFLAGS, 238 239 /* confstr() variables */ 240 241 /* POSIX.2-1992 description of getconf utility */ 242 _CS_PATH, "PATH", CONFSTR, NOFLAGS, 243 244 /* POSIX.2-1992 table B-18 */ 245 _CS_PATH, "CS_PATH", CONFSTR, NOFLAGS, 246 _CS_PATH, "_CS_PATH", CONFSTR, NOFLAGS, 247 248 /* command names for large file configuration information */ 249 /* large file compilation environment configuration */ 250 251 _CS_LFS_CFLAGS, "LFS_CFLAGS", CONFSTR, NOFLAGS, 252 _CS_LFS_LDFLAGS, "LFS_LDFLAGS", CONFSTR, NOFLAGS, 253 _CS_LFS_LIBS, "LFS_LIBS", CONFSTR, NOFLAGS, 254 _CS_LFS_LINTFLAGS, "LFS_LINTFLAGS", CONFSTR, NOFLAGS, 255 256 /* transitional large file interface configuration */ 257 258 _CS_LFS64_CFLAGS, "LFS64_CFLAGS", CONFSTR, NOFLAGS, 259 _CS_LFS64_LDFLAGS, "LFS64_LDFLAGS", CONFSTR, NOFLAGS, 260 _CS_LFS64_LIBS, "LFS64_LIBS", CONFSTR, NOFLAGS, 261 _CS_LFS64_LINTFLAGS, "LFS64_LINTFLAGS", CONFSTR, NOFLAGS, 262 263 /* 264 * UNIX 98: 265 * confstr additions, these support 266 * programming specifications/environments. 267 * 268 * Unfortunately there is some uncertainty with 269 * the standard at this point about the constant 270 * name, thus we need to recognize BOTH with and 271 * without the initial underscore. 272 */ 273 _CS_XBS5_ILP32_OFF32_CFLAGS, "XBS5_ILP32_OFF32_CFLAGS", 274 CONFSTR, NOFLAGS, 275 _CS_XBS5_ILP32_OFF32_CFLAGS, "_XBS5_ILP32_OFF32_CFLAGS", 276 CONFSTR, NOFLAGS, 277 278 _CS_XBS5_ILP32_OFF32_LDFLAGS, "XBS5_ILP32_OFF32_LDFLAGS", 279 CONFSTR, NOFLAGS, 280 _CS_XBS5_ILP32_OFF32_LDFLAGS, "_XBS5_ILP32_OFF32_LDFLAGS", 281 CONFSTR, NOFLAGS, 282 283 _CS_XBS5_ILP32_OFF32_LIBS, "XBS5_ILP32_OFF32_LIBS", 284 CONFSTR, NOFLAGS, 285 _CS_XBS5_ILP32_OFF32_LIBS, "_XBS5_ILP32_OFF32_LIBS", 286 CONFSTR, NOFLAGS, 287 288 _CS_XBS5_ILP32_OFF32_LINTFLAGS, "XBS5_ILP32_OFF32_LINTFLAGS", 289 CONFSTR, NOFLAGS, 290 _CS_XBS5_ILP32_OFF32_LINTFLAGS, "_XBS5_ILP32_OFF32_LINTFLAGS", 291 CONFSTR, NOFLAGS, 292 293 _CS_XBS5_ILP32_OFFBIG_CFLAGS, "XBS5_ILP32_OFFBIG_CFLAGS", 294 CONFSTR, NOFLAGS, 295 _CS_XBS5_ILP32_OFFBIG_CFLAGS, "_XBS5_ILP32_OFFBIG_CFLAGS", 296 CONFSTR, NOFLAGS, 297 298 _CS_XBS5_ILP32_OFFBIG_LDFLAGS, "XBS5_ILP32_OFFBIG_LDFLAGS", 299 CONFSTR, NOFLAGS, 300 _CS_XBS5_ILP32_OFFBIG_LDFLAGS, "_XBS5_ILP32_OFFBIG_LDFLAGS", 301 CONFSTR, NOFLAGS, 302 303 _CS_XBS5_ILP32_OFFBIG_LIBS, "XBS5_ILP32_OFFBIG_LIBS", 304 CONFSTR, NOFLAGS, 305 _CS_XBS5_ILP32_OFFBIG_LIBS, "_XBS5_ILP32_OFFBIG_LIBS", 306 CONFSTR, NOFLAGS, 307 308 _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, "XBS5_ILP32_OFFBIG_LINTFLAGS", 309 CONFSTR, NOFLAGS, 310 _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, "_XBS5_ILP32_OFFBIG_LINTFLAGS", 311 CONFSTR, NOFLAGS, 312 313 _CS_XBS5_LP64_OFF64_CFLAGS, "XBS5_LP64_OFF64_CFLAGS", 314 CONFSTR, NOFLAGS, 315 _CS_XBS5_LP64_OFF64_CFLAGS, "_XBS5_LP64_OFF64_CFLAGS", 316 CONFSTR, NOFLAGS, 317 318 _CS_XBS5_LP64_OFF64_LDFLAGS, "XBS5_LP64_OFF64_LDFLAGS", 319 CONFSTR, NOFLAGS, 320 _CS_XBS5_LP64_OFF64_LDFLAGS, "_XBS5_LP64_OFF64_LDFLAGS", 321 CONFSTR, NOFLAGS, 322 323 _CS_XBS5_LP64_OFF64_LIBS, "XBS5_LP64_OFF64_LIBS", 324 CONFSTR, NOFLAGS, 325 _CS_XBS5_LP64_OFF64_LIBS, "_XBS5_LP64_OFF64_LIBS", 326 CONFSTR, NOFLAGS, 327 328 _CS_XBS5_LP64_OFF64_LINTFLAGS, "XBS5_LP64_OFF64_LINTFLAGS", 329 CONFSTR, NOFLAGS, 330 _CS_XBS5_LP64_OFF64_LINTFLAGS, "_XBS5_LP64_OFF64_LINTFLAGS", 331 CONFSTR, NOFLAGS, 332 333 _CS_XBS5_LPBIG_OFFBIG_CFLAGS, "XBS5_LPBIG_OFFBIG_CFLAGS", 334 CONFSTR, NOFLAGS, 335 _CS_XBS5_LPBIG_OFFBIG_CFLAGS, "_XBS5_LPBIG_OFFBIG_CFLAGS", 336 CONFSTR, NOFLAGS, 337 338 _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, "XBS5_LPBIG_OFFBIG_LDFLAGS", 339 CONFSTR, NOFLAGS, 340 _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, "_XBS5_LPBIG_OFFBIG_LDFLAGS", 341 CONFSTR, NOFLAGS, 342 343 _CS_XBS5_LPBIG_OFFBIG_LIBS, "XBS5_LPBIG_OFFBIG_LIBS", 344 CONFSTR, NOFLAGS, 345 _CS_XBS5_LPBIG_OFFBIG_LIBS, "_XBS5_LPBIG_OFFBIG_LIBS", 346 CONFSTR, NOFLAGS, 347 348 _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, "XBS5_LPBIG_OFFBIG_LINTFLAGS", 349 CONFSTR, NOFLAGS, 350 _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, "_XBS5_LPBIG_OFFBIG_LINTFLAGS", 351 CONFSTR, NOFLAGS, 352 353 /* 354 * UNIX 03 confstr() additions for compilation environments 355 */ 356 _CS_POSIX_V6_ILP32_OFF32_CFLAGS, "POSIX_V6_ILP32_OFF32_CFLAGS", 357 CONFSTR, NOFLAGS, 358 _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, "POSIX_V6_ILP32_OFF32_LDFLAGS", 359 CONFSTR, NOFLAGS, 360 _CS_POSIX_V6_ILP32_OFF32_LIBS, "POSIX_V6_ILP32_OFF32_LIBS", 361 CONFSTR, NOFLAGS, 362 _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, "POSIX_V6_ILP32_OFFBIG_CFLAGS", 363 CONFSTR, NOFLAGS, 364 _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, "POSIX_V6_ILP32_OFFBIG_LDFLAGS", 365 CONFSTR, NOFLAGS, 366 _CS_POSIX_V6_ILP32_OFFBIG_LIBS, "POSIX_V6_ILP32_OFFBIG_LIBS", 367 CONFSTR, NOFLAGS, 368 _CS_POSIX_V6_LP64_OFF64_CFLAGS, "POSIX_V6_LP64_OFF64_CFLAGS", 369 CONFSTR, NOFLAGS, 370 _CS_POSIX_V6_LP64_OFF64_LDFLAGS, "POSIX_V6_LP64_OFF64_LDFLAGS", 371 CONFSTR, NOFLAGS, 372 _CS_POSIX_V6_LP64_OFF64_LIBS, "POSIX_V6_LP64_OFF64_LIBS", 373 CONFSTR, NOFLAGS, 374 _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, "POSIX_V6_LPBIG_OFFBIG_CFLAGS", 375 CONFSTR, NOFLAGS, 376 _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", 377 CONFSTR, NOFLAGS, 378 _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, "POSIX_V6_LPBIG_OFFBIG_LIBS", 379 CONFSTR, NOFLAGS, 380 _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS, "POSIX_V6_WIDTH_RESTRICTED_ENVS", 381 CONFSTR, NOFLAGS, 382 /* End of UNIX 03 compilation environments */ 383 384 #ifdef _SC_2_C_VERSION /* POSIX.2 table B-4 */ 385 _SC_2_C_VERSION, "_POSIX2_C_VERSION", SYSCONF, NOFLAGS, 386 #else 387 _POSIX2_C_VERSION, "_POSIX2_C_VERSION", SELFCONF, NOFLAGS, 388 #endif 389 390 /* 391 * XPG4 support BEGINS 392 */ 393 394 #ifndef CHARCLASS_NAME_MAX 395 #define CHARCLASS_NAME_MAX -1 396 #endif 397 #ifndef CHAR_BIT 398 #define CHAR_BIT -1 399 #endif 400 #ifndef CHAR_MAX 401 #define CHAR_MAX -1 402 #endif 403 #ifndef CHAR_MIN 404 #define CHAR_MIN -1 405 #endif 406 #ifndef INT_MAX 407 #define INT_MAX -1 408 #endif 409 #ifndef INT_MIN 410 #define INT_MIN -1 411 #endif 412 #ifndef LONG_BIT 413 #define LONG_BIT -1 414 #endif 415 #ifndef LONG_MAX 416 #define LONG_MAX -1 417 #endif 418 #ifndef LONG_MIN 419 #define LONG_MIN -1 420 #endif 421 #ifndef MB_LEN_MAX 422 #define MB_LEN_MAX -1 423 #endif 424 #ifndef NL_NMAX 425 #define NL_NMAX -1 426 #endif 427 #ifndef NL_ARGMAX 428 #define NL_ARGMAX -1 429 #endif 430 #ifndef NL_LANGMAX 431 #define NL_LANGMAX -1 432 #endif 433 #ifndef NL_MSGMAX 434 #define NL_MSGMAX -1 435 #endif 436 #ifndef NL_SETMAX 437 #define NL_SETMAX -1 438 #endif 439 #ifndef NL_TEXTMAX 440 #define NL_TEXTMAX -1 441 #endif 442 #ifndef NZERO 443 #define NZERO -1 444 #endif 445 #ifndef SCHAR_MAX 446 #define SCHAR_MAX -1 447 #endif 448 #ifndef SCHAR_MIN 449 #define SCHAR_MIN -1 450 #endif 451 #ifndef SHRT_MAX 452 #define SHRT_MAX -1 453 #endif 454 #ifndef SHRT_MIN 455 #define SHRT_MIN -1 456 #endif 457 #ifndef TMP_MAX 458 #define TMP_MAX -1 459 #endif 460 #ifndef WORD_BIT 461 #define WORD_BIT -1 462 #endif 463 464 465 #ifndef _XOPEN_XPG2 466 #define _XOPEN_XPG2 -1 467 #endif 468 #ifndef _XOPEN_XPG3 469 #define _XOPEN_XPG3 -1 470 #endif 471 #ifndef _XOPEN_XPG4 472 #define _XOPEN_XPG4 -1 473 #endif 474 475 /* 476 * the following are values that we should find in <limits.h> 477 * so we use SELFCONF here. 478 * 479 */ 480 481 /* POSIX.1-1990 */ 482 CHARCLASS_NAME_MAX, "CHARCLASS_NAME_MAX", SELFCONF, NOFLAGS, 483 _POSIX_SSIZE_MAX, "SSIZE_MAX", SELFCONF, NOFLAGS, 484 485 /* POSIX.1-1988 */ 486 CHAR_BIT, "CHAR_BIT", SELFCONF, NOFLAGS, 487 CHAR_MAX, "CHAR_MAX", SELFCONF, NOFLAGS, 488 CHAR_MIN, "CHAR_MIN", SELFCONF, NOFLAGS, 489 INT_MAX, "INT_MAX", SELFCONF, NOFLAGS, 490 INT_MIN, "INT_MIN", SELFCONF, NOFLAGS, 491 LONG_BIT, "LONG_BIT", SELFCONF, NOFLAGS, 492 LONG_MAX, "LONG_MAX", SELFCONF, NOFLAGS, 493 LONG_MIN, "LONG_MIN", SELFCONF, NOFLAGS, 494 MB_LEN_MAX, "MB_LEN_MAX", SELFCONF, NOFLAGS, 495 NL_NMAX, "NL_NMAX", SELFCONF, NOFLAGS, 496 NL_ARGMAX, "NL_ARGMAX", SELFCONF, NOFLAGS, 497 NL_LANGMAX, "NL_LANGMAX", SELFCONF, NOFLAGS, 498 NL_MSGMAX, "NL_MSGMAX", SELFCONF, NOFLAGS, 499 NL_SETMAX, "NL_SETMAX", SELFCONF, NOFLAGS, 500 NL_TEXTMAX, "NL_TEXTMAX", SELFCONF, NOFLAGS, 501 NZERO, "NZERO", SELFCONF, NOFLAGS, 502 SCHAR_MAX, "SCHAR_MAX", SELFCONF, NOFLAGS, 503 SCHAR_MIN, "SCHAR_MIN", SELFCONF, NOFLAGS, 504 SHRT_MAX, "SHRT_MAX", SELFCONF, NOFLAGS, 505 SHRT_MIN, "SHRT_MIN", SELFCONF, NOFLAGS, 506 TMP_MAX, "TMP_MAX", SELFCONF, NOFLAGS, 507 508 /* 509 * for the unsigned maximums, we cannot rely on the value -1 510 * to indicate "undefined". 511 */ 512 #ifndef UCHAR_MAX 513 0, "UCHAR_MAX", SELFCONF, UNDEFINED, 514 #else 515 (long)UCHAR_MAX, "UCHAR_MAX", SELFCONF, UNSIGNED_VALUE, 516 #endif /* UCHAR_MAX */ 517 #ifndef UINT_MAX 518 0, "UINT_MAX", SELFCONF, UNDEFINED, 519 #else 520 (long)UINT_MAX, "UINT_MAX", SELFCONF, UNSIGNED_VALUE, 521 #endif /* UINT_MAX */ 522 #ifndef ULONG_MAX 523 0, "ULONG_MAX", SELFCONF, UNDEFINED, 524 #else 525 (long)ULONG_MAX, "ULONG_MAX", SELFCONF, UNSIGNED_VALUE, 526 #endif /* ULONG_MAX */ 527 #ifndef USHRT_MAX 528 0, "USHRT_MAX", SELFCONF, UNDEFINED, 529 #else 530 (long)USHRT_MAX, "USHRT_MAX", SELFCONF, UNSIGNED_VALUE, 531 #endif /* USHRT_MAX */ 532 #ifndef SIZE_MAX 533 0, "SIZE_MAX", SELFCONF, UNDEFINED, 534 #else 535 (long)SIZE_MAX, "SIZE_MAX", SELFCONF, UNSIGNED_VALUE, 536 #endif /* SIZE_MAX */ 537 538 WORD_BIT, "WORD_BIT", SELFCONF, NOFLAGS, 539 540 /* XPG4 Version 2 */ 541 _XOPEN_IOV_MAX, "_XOPEN_IOV_MAX", SELFCONF, NOFLAGS, 542 543 /* UNIX 03 */ 544 _XOPEN_NAME_MAX, "_XOPEN_NAME_MAX", SELFCONF, NOFLAGS, 545 _XOPEN_PATH_MAX, "_XOPEN_PATH_MAX", SELFCONF, NOFLAGS, 546 547 /* 548 * The following are defined via sysconf(). These are considered 549 * an extension to sysconf(). 550 * The -0 is needed if _XOPEN_XPG? is defined to be an empty string. 551 */ 552 _XOPEN_XPG2-0, "_XOPEN_XPG2", SELFCONF, NOFLAGS, 553 _XOPEN_XPG3-0, "_XOPEN_XPG3", SELFCONF, NOFLAGS, 554 _XOPEN_XPG4-0, "_XOPEN_XPG4", SELFCONF, NOFLAGS, 555 556 /* 557 * The following should be provided by sysconf() (e.g use SYSCONF), 558 * so we look for the appropriate _SC_* symbol in <unistd.h>. 559 * If it is not defined, then we use SELFCONF with the value of -1. 560 */ 561 _SC_XOPEN_VERSION, "_XOPEN_VERSION", SYSCONF, NOFLAGS, 562 _SC_XOPEN_XCU_VERSION, "_XOPEN_XCU_VERSION", SYSCONF, NOFLAGS, 563 _SC_XOPEN_CRYPT, "_XOPEN_CRYPT", SYSCONF, NOFLAGS, 564 _SC_XOPEN_ENH_I18N, "_XOPEN_ENH_I18N", SYSCONF, NOFLAGS, 565 _SC_XOPEN_SHM, "_XOPEN_SHM", SYSCONF, NOFLAGS, 566 567 /* 568 * XPG4 support ends 569 */ 570 571 /* XPG4, Version 2 support */ 572 573 _SC_ATEXIT_MAX, "ATEXIT_MAX", SYSCONF, NOFLAGS, 574 _SC_PAGESIZE, "PAGESIZE", SYSCONF, NOFLAGS, 575 _SC_PAGE_SIZE, "PAGE_SIZE", SYSCONF, NOFLAGS, 576 _SC_XOPEN_UNIX, "_XOPEN_UNIX", SYSCONF, NOFLAGS, 577 _SC_IOV_MAX, "IOV_MAX", SYSCONF, NOFLAGS, 578 579 /* 580 * UNIX 98 - XPG5 additions 581 */ 582 _SC_XOPEN_LEGACY, "_XOPEN_LEGACY", SYSCONF, NOFLAGS, 583 _SC_PASS_MAX, "PASS_MAX", SYSCONF, NOFLAGS, 584 _SC_AIO_LISTIO_MAX, "AIO_LISTIO_MAX", SYSCONF, NOFLAGS, 585 _SC_AIO_MAX, "AIO_MAX", SYSCONF, NOFLAGS, 586 _SC_AIO_PRIO_DELTA_MAX, "AIO_PRIO_DELTA_MAX", SYSCONF, NOFLAGS, 587 _SC_DELAYTIMER_MAX, "DELAYTIMER_MAX", SYSCONF, NOFLAGS, 588 _SC_MQ_OPEN_MAX, "MQ_OPEN_MAX", SYSCONF, NOFLAGS, 589 _SC_MQ_PRIO_MAX, "MQ_PRIO_MAX", SYSCONF, NOFLAGS, 590 _SC_RTSIG_MAX, "RTSIG_MAX", SYSCONF, NOFLAGS, 591 _SC_SEM_NSEMS_MAX, "SEM_NSEMS_MAX", SYSCONF, NOFLAGS, 592 _SC_SEM_VALUE_MAX, "SEM_VALUE_MAX", SYSCONF, NOFLAGS, 593 _SC_SIGQUEUE_MAX, "SIGQUEUE_MAX", SYSCONF, NOFLAGS, 594 _SC_TIMER_MAX, "TIMER_MAX", SYSCONF, NOFLAGS, 595 596 _SC_ASYNCHRONOUS_IO, "_POSIX_ASYNCHRONOUS_IO", SYSCONF, NOFLAGS, 597 _SC_FSYNC, "_POSIX_FSYNC", SYSCONF, NOFLAGS, 598 _SC_MAPPED_FILES, "_POSIX_MAPPED_FILES", SYSCONF, NOFLAGS, 599 _SC_MEMLOCK, "_POSIX_MEMLOCK", SYSCONF, NOFLAGS, 600 _SC_MEMLOCK_RANGE, "_POSIX_MEMLOCK_RANGE", SYSCONF, NOFLAGS, 601 _SC_MEMORY_PROTECTION, "_POSIX_MEMORY_PROTECTION", SYSCONF, NOFLAGS, 602 _SC_MESSAGE_PASSING, "_POSIX_MESSAGE_PASSING", SYSCONF, NOFLAGS, 603 _SC_PRIORITIZED_IO, "_POSIX_PRIORITIZED_IO", SYSCONF, NOFLAGS, 604 _SC_PRIORITY_SCHEDULING, "_POSIX_PRIORITY_SCHEDULING", SYSCONF, NOFLAGS, 605 _SC_REALTIME_SIGNALS, "_POSIX_REALTIME_SIGNALS", SYSCONF, NOFLAGS, 606 _SC_SEMAPHORES, "_POSIX_SEMAPHORES", SYSCONF, NOFLAGS, 607 608 _SC_SHARED_MEMORY_OBJECTS, "_POSIX_SHARED_MEMORY_OBJECTS", 609 SYSCONF, NOFLAGS, 610 611 _SC_SYNCHRONIZED_IO, "_POSIX_SYNCHRONIZED_IO", SYSCONF, NOFLAGS, 612 _SC_TIMERS, "_POSIX_TIMERS", SYSCONF, NOFLAGS, 613 614 _SC_LOGIN_NAME_MAX, "LOGIN_NAME_MAX", SYSCONF, NOFLAGS, 615 616 _SC_THREAD_DESTRUCTOR_ITERATIONS, "PTHREAD_DESTRUCTOR_ITERATIONS", 617 SYSCONF, NOFLAGS, 618 619 _SC_THREAD_KEYS_MAX, "PTHREAD_KEYS_MAX", SYSCONF, NOFLAGS, 620 _SC_THREAD_STACK_MIN, "PTHREAD_STACK_MIN", SYSCONF, NOFLAGS, 621 _SC_THREAD_THREADS_MAX, "PTHREAD_THREADS_MAX", SYSCONF, NOFLAGS, 622 623 _SC_THREADS, "_POSIX_THREADS", SYSCONF, NOFLAGS, 624 625 _SC_THREAD_ATTR_STACKADDR, "POSIX_THREAD_ATTR_STACKADDR", 626 SYSCONF, NOFLAGS, 627 _SC_THREAD_ATTR_STACKADDR, "_POSIX_THREAD_ATTR_STACKADDR", 628 SYSCONF, NOFLAGS, 629 630 _SC_THREAD_ATTR_STACKSIZE, "POSIX_THREAD_ATTR_STACKSIZE", 631 SYSCONF, NOFLAGS, 632 _SC_THREAD_ATTR_STACKSIZE, "_POSIX_THREAD_ATTR_STACKSIZE", 633 SYSCONF, NOFLAGS, 634 635 _SC_THREAD_PRIORITY_SCHEDULING, "POSIX_THREAD_PRIORITY_SCHEDULING", 636 SYSCONF, NOFLAGS, 637 _SC_THREAD_PRIORITY_SCHEDULING, "_POSIX_THREAD_PRIORITY_SCHEDULING", 638 SYSCONF, NOFLAGS, 639 640 _SC_THREAD_PRIO_INHERIT, "POSIX_THREAD_PRIO_INHERIT", 641 SYSCONF, NOFLAGS, 642 _SC_THREAD_PRIO_INHERIT, "_POSIX_THREAD_PRIO_INHERIT", 643 SYSCONF, NOFLAGS, 644 645 _SC_THREAD_PRIO_PROTECT, "POSIX_THREAD_PRIO_PROTECT", 646 SYSCONF, NOFLAGS, 647 _SC_THREAD_PRIO_PROTECT, "_POSIX_THREAD_PRIO_PROTECT", 648 SYSCONF, NOFLAGS, 649 650 _SC_THREAD_PROCESS_SHARED, "POSIX_THREAD_PROCESS_SHARED", 651 SYSCONF, NOFLAGS, 652 _SC_THREAD_PROCESS_SHARED, "_POSIX_THREAD_PROCESS_SHARED", 653 SYSCONF, NOFLAGS, 654 655 _SC_THREAD_SAFE_FUNCTIONS, "POSIX_THREAD_SAFE_FUNCTIONS", 656 SYSCONF, NOFLAGS, 657 _SC_THREAD_SAFE_FUNCTIONS, "_POSIX_THREAD_SAFE_FUNCTIONS", 658 SYSCONF, NOFLAGS, 659 660 _SC_TTY_NAME_MAX, "TTY_NAME_MAX", SYSCONF, NOFLAGS, 661 _SC_XOPEN_REALTIME, "_XOPEN_REALTIME", SYSCONF, NOFLAGS, 662 _SC_XOPEN_REALTIME_THREADS, "_XOPEN_REALTIME_THREADS", SYSCONF, NOFLAGS, 663 664 /* 665 * Due to ambiguity in the standard we need 666 * to recognize both the underscored name 667 * and the non-underscored version in the 668 * following variables. 669 */ 670 _SC_XBS5_ILP32_OFF32, "XBS5_ILP32_OFF32", SYSCONF, NOFLAGS, 671 _SC_XBS5_ILP32_OFF32, "_XBS5_ILP32_OFF32", SYSCONF, NOFLAGS, 672 673 _SC_XBS5_ILP32_OFFBIG, "XBS5_ILP32_OFFBIG", SYSCONF, NOFLAGS, 674 _SC_XBS5_ILP32_OFFBIG, "_XBS5_ILP32_OFFBIG", SYSCONF, NOFLAGS, 675 676 _SC_XBS5_LP64_OFF64, "XBS5_LP64_OFF64", SYSCONF, NOFLAGS, 677 _SC_XBS5_LP64_OFF64, "_XBS5_LP64_OFF64", SYSCONF, NOFLAGS, 678 679 _SC_XBS5_LPBIG_OFFBIG, "XBS5_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 680 _SC_XBS5_LPBIG_OFFBIG, "_XBS5_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 681 682 /* 683 * UNIX 03 additions for sysconf() names, and names that are not in interfaces 684 */ 685 _SC_REGEXP, "_POSIX_REGEXP", SYSCONF, NOFLAGS, 686 _SC_SHELL, "_POSIX_SHELL", SYSCONF, NOFLAGS, 687 _SC_HOST_NAME_MAX, "HOST_NAME_MAX", SYSCONF, NOFLAGS, 688 _SC_READER_WRITER_LOCKS, "_POSIX_READER_WRITER_LOCKS", SYSCONF, NOFLAGS, 689 _SC_IPV6, "_POSIX_IPV6", SYSCONF, NOFLAGS, 690 _SC_RAW_SOCKETS, "_POSIX_RAW_SOCKETS", SYSCONF, NOFLAGS, 691 _SC_XOPEN_STREAMS, "_XOPEN_STREAMS", SYSCONF, NOFLAGS, 692 _SC_SYMLOOP_MAX, "SYMLOOP_MAX", SYSCONF, NOFLAGS, 693 _SC_2_PBS, "_POSIX2_PBS", SYSCONF, NOFLAGS, 694 _SC_2_PBS_ACCOUNTING, "_POSIX2_PBS_ACCOUNTING", SYSCONF, NOFLAGS, 695 _SC_2_PBS_CHECKPOINT, "_POSIX2_PBS_CHECKPOINT", SYSCONF, NOFLAGS, 696 _SC_2_PBS_LOCATE, "_POSIX2_PBS_LOCATE", SYSCONF, NOFLAGS, 697 _SC_2_PBS_MESSAGE, "_POSIX2_PBS_MESSAGE", SYSCONF, NOFLAGS, 698 _SC_2_PBS_TRACK, "_POSIX2_PBS_TRACK", SYSCONF, NOFLAGS, 699 700 _SC_ADVISORY_INFO, "_POSIX_ADVISORY_INFO", SYSCONF, NOFLAGS, 701 _SC_BARRIERS, "_POSIX_BARRIERS", SYSCONF, NOFLAGS, 702 _SC_CLOCK_SELECTION, "_POSIX_CLOCK_SELECTION", SYSCONF, NOFLAGS, 703 _SC_CPUTIME, "_POSIX_CPUTIME", SYSCONF, NOFLAGS, 704 _SC_MONOTONIC_CLOCK, "_POSIX_MONOTONIC_CLOCK", SYSCONF, NOFLAGS, 705 _SC_SPAWN, "_POSIX_SPAWN", SYSCONF, NOFLAGS, 706 _SC_SPIN_LOCKS, "_POSIX_SPIN_LOCKS", SYSCONF, NOFLAGS, 707 _SC_SPORADIC_SERVER, "_POSIX_SPORADIC_SERVER", SYSCONF, NOFLAGS, 708 _SC_SS_REPL_MAX, "_POSIX_SS_REPL_MAX", SYSCONF, NOFLAGS, 709 _SC_THREAD_CPUTIME, "_POSIX_THREAD_CPUTIME", SYSCONF, NOFLAGS, 710 _SC_THREAD_SPORADIC_SERVER, "_POSIX_THREAD_SPORADIC_SERVER", SYSCONF, 711 NOFLAGS, 712 _SC_TIMEOUTS, "_POSIX_TIMEOUTS", SYSCONF, NOFLAGS, 713 _SC_TRACE, "_POSIX_TRACE", SYSCONF, NOFLAGS, 714 _SC_TRACE_EVENT_FILTER, "_POSIX_TRACE_EVENT_FILTER", SYSCONF, NOFLAGS, 715 _SC_TRACE_EVENT_NAME_MAX, "_POSIX_TRACE_EVENT_NAME_MAX", SYSCONF, 716 NOFLAGS, 717 _SC_TRACE_INHERIT, "_POSIX_TRACE_INHERIT", SYSCONF, NOFLAGS, 718 _SC_TRACE_LOG, "_POSIX_TRACE_LOG", SYSCONF, NOFLAGS, 719 _SC_TRACE_NAME_MAX, "_POSIX_TRACE_NAME_MAX", SYSCONF, NOFLAGS, 720 _SC_TRACE_SYS_MAX, "_POSIX_TRACE_SYS_MAX", SYSCONF, NOFLAGS, 721 _SC_TRACE_USER_EVENT_MAX, "_POSIX_TRACE_USER_EVENT_MAX", SYSCONF, 722 NOFLAGS, 723 _SC_TYPED_MEMORY_OBJECTS, "_POSIX_TYPED_MEMORY_OBJECTS", SYSCONF, 724 NOFLAGS, 725 726 /* 727 * Due to an ambiguity in the specification, we need to recognize both 728 * the underscored POSIX name and the non-underscored name. In addition, 729 * we need to permit the use of the _V6_* environment names specified 730 * in unistd.h. 731 */ 732 _SC_V6_ILP32_OFF32, "_V6_ILP32_OFF32", SYSCONF, NOFLAGS, 733 _SC_V6_ILP32_OFF32, "_POSIX_V6_ILP32_OFF32", SYSCONF, NOFLAGS, 734 _SC_V6_ILP32_OFF32, "POSIX_V6_ILP32_OFF32", SYSCONF, NOFLAGS, 735 736 _SC_V6_ILP32_OFFBIG, "_V6_ILP32_OFFBIG", SYSCONF, NOFLAGS, 737 _SC_V6_ILP32_OFFBIG, "_POSIX_V6_ILP32_OFFBIG", SYSCONF, NOFLAGS, 738 _SC_V6_ILP32_OFFBIG, "POSIX_V6_ILP32_OFFBIG", SYSCONF, NOFLAGS, 739 740 _SC_V6_LP64_OFF64, "_V6_LP64_OFF64", SYSCONF, NOFLAGS, 741 _SC_V6_LP64_OFF64, "_POSIX_V6_LP64_OFF64", SYSCONF, NOFLAGS, 742 _SC_V6_LP64_OFF64, "POSIX_V6_LP64_OFF64", SYSCONF, NOFLAGS, 743 744 _SC_V6_LPBIG_OFFBIG, "_V6_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 745 _SC_V6_LPBIG_OFFBIG, "_POSIX_V6_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 746 _SC_V6_LPBIG_OFFBIG, "POSIX_V6_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 747 0, NULL, 0, 0 /* end of table */ 748 }; 749 750 751 /* 752 * Print usage message. 753 */ 754 static int 755 usage() 756 { 757 758 (void) fputs(gettext( 759 "usage:\tgetconf [-v specification] system_var\n" 760 "\tgetconf [-v specification] path_var pathname\n" 761 "\tgetconf -a\n"), stderr); 762 return (2); 763 } 764 765 766 static int 767 namecmp(const void *a, const void *b) 768 { 769 return (strcoll(((const struct sctab *)a)->name, 770 ((const struct sctab *)b)->name)); 771 } 772 773 774 static int 775 getconf(struct sctab *scp, int argc, char *name, char *file) 776 { 777 register size_t len; 778 register char *buffer; 779 long value; 780 781 switch (scp->type) { 782 case SELFCONF: 783 if (argc > 2) 784 return (usage()); 785 if (scp->flag & UNDEFINED || 786 (!(scp->flag&UNSIGNED_VALUE) && scp->value == -1)) { 787 /* DO NOT TRANSLATE */ 788 (void) printf("undefined\n"); 789 } else 790 if (scp->flag & UNSIGNED_VALUE) 791 (void) printf("%lu\n", scp->value); 792 else 793 (void) printf("%ld\n", scp->value); 794 break; 795 796 case SYSCONF: 797 if (argc > 2) 798 return (usage()); 799 errno = 0; 800 if (scp->flag & UNDEFINED || 801 (value = sysconf((int)scp->value)) == -1) { 802 if (errno == EINVAL) { 803 (void) fprintf(stderr, 804 gettext(INVAL_ARG), name); 805 return (1); 806 } else { 807 /* DO NOT TRANSLATE */ 808 (void) printf("undefined\n"); 809 return (0); 810 } 811 } else 812 (void) printf("%ld\n", value); 813 break; 814 815 case CONFSTR: 816 if (argc > 2) 817 return (usage()); 818 errno = 0; 819 len = confstr((int)scp->value, NULL, (size_t)0); 820 if (len == 0) 821 if (errno == EINVAL) { 822 (void) fprintf(stderr, gettext(INVAL_ARG), 823 name); 824 return (1); 825 } else { 826 /* DO NOT TRANSLATE */ 827 (void) printf("undefined\n"); 828 return (0); 829 } 830 /* 831 * allocate space to store result of constr() into 832 */ 833 if ((buffer = malloc(len)) == NULL) { 834 (void) fprintf(stderr, 835 gettext("insufficient memory available")); 836 return (1); 837 } 838 839 assert(confstr((int)scp->value, buffer, len) != 0); 840 841 (void) printf("%s\n", buffer); 842 free(buffer); 843 break; 844 845 case PATHCONF: 846 if (argc != 3) 847 return (usage()); 848 errno = 0; 849 if ((value = pathconf(file, (int)scp->value)) == -1) { 850 if (errno == EINVAL || errno == 0) { 851 /* Does not support the association */ 852 /* DO NOT TRANSLATE */ 853 (void) printf("undefined\n"); 854 return (0); 855 } else { 856 /* Probably problems with the pathname itself */ 857 if (aflag) { 858 (void) printf("%s\n", file); 859 } else { 860 (void) printf("%s", file); 861 } 862 return (1); 863 } 864 } 865 (void) printf("%ld\n", value); 866 break; 867 } 868 return (0); 869 } 870 871 int 872 main(int argc, char **argv) 873 { 874 register struct sctab *scp; 875 int c; 876 int exstat = 0; 877 878 (void) setlocale(LC_ALL, ""); 879 #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */ 880 #define TEXT_DOMAIN "SYS_TEST" 881 #endif 882 (void) textdomain(TEXT_DOMAIN); 883 884 while ((c = getopt(argc, argv, "av:")) != -1) 885 switch (c) { 886 case 'a': 887 aflag = 1; 888 break; 889 case 'v': 890 /* 891 * Unix98 adds the -v option to allow 892 * programming 'specifications' to be 893 * indicated, for present purposes 894 * the specification isn't really 895 * doing anything of value, so for 896 * the moment getopt just processes the 897 * option value and argv[1] is adjusted. 898 * 899 * At some later date we might want to 900 * do specification processing at this 901 * point. 902 */ 903 break; 904 case '?': 905 return (usage()); 906 } 907 argc -= optind-1; 908 argv += optind-1; 909 910 if ((aflag && argc >= 2) || (!aflag && argc < 2)) 911 return (usage()); 912 if (aflag) { 913 914 #define TabStop 8 915 #define RightColumn 32 916 #define DefPathName "." 917 918 /* 919 * sort the table by the "name" field 920 * so we print it in sorted order 921 */ 922 qsort(&sctab[0], (sizeof (sctab)/sizeof (struct sctab))-1, 923 sizeof (struct sctab), namecmp); 924 925 /* 926 * print all the known symbols and their values 927 */ 928 for (scp = &sctab[0]; scp->name != NULL; ++scp) { 929 int stat; 930 931 /* 932 * create 2 columns: 933 * variable name in the left column, 934 * value in the right column. 935 * The right column starts at a tab stop. 936 */ 937 (void) printf("%s:\t", scp->name); 938 939 c = strlen(scp->name) + 1; 940 c = (c+TabStop) / TabStop, c *= TabStop; 941 for (; c < RightColumn; c += TabStop) 942 (void) putchar('\t'); 943 944 /* 945 * for pathconf() related variables that require 946 * a pathname, use "." 947 */ 948 stat = getconf(scp, scp->type == PATHCONF ? 3 : 2, 949 scp->name, DefPathName); 950 951 exstat |= stat; 952 953 /* 954 * if stat != 0, then an error message was already 955 * printed in getconf(), 956 * so don't need to print one here 957 */ 958 } 959 } else { 960 961 /* 962 * find the name of the specified variable (argv[1]) 963 * and print its value. 964 */ 965 for (scp = &sctab[0]; scp->name != NULL; ++scp) 966 if (strcmp(argv[1], scp->name) == 0) { 967 exstat = getconf(scp, argc, argv[1], argv[2]); 968 break; 969 } 970 971 /* 972 * if at last entry in table, then the user specified 973 * variable is invalid 974 */ 975 if (scp->name == NULL) { 976 errno = EINVAL; 977 (void) fprintf(stderr, gettext(INVAL_ARG), argv[1]); 978 return (1); 979 } 980 } 981 return (exstat); 982 } 983