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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2009 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 /* 33 * getconf -- POSIX.2 compatible utility to query configuration specific 34 * parameters. 35 * -- XPG4 support added June/93 36 * 37 * -- XPG5 support added Dec/97 38 * 39 * -- XPG6 support added May/2003 40 */ 41 42 #include <stdio.h> 43 #include <stdlib.h> 44 #include <string.h> 45 #include <errno.h> 46 #include <unistd.h> 47 #include <limits.h> 48 #include <locale.h> 49 #include <libintl.h> 50 #include <assert.h> 51 52 extern size_t confstr(int, char *, size_t); 53 54 static int aflag = 0; 55 56 #define INVAL_ARG "getconf: Invalid argument (%s)\n" 57 #define INVAL_PATHARG "getconf: Invalid argument (%s or %s)\n" 58 59 /* 60 * Notes: 61 * The sctab.value field is defined to be a long. 62 * There are some values that are "unsigned long"; these values 63 * can be stored in a "long" field but when output, must be printed 64 * as an unsigned value. Thus, these values must have UNSIGNED_VALUE bit 65 * set in sctab.flag field. 66 * 67 * There are 2 different ways to indicate a symbol is undefined: 68 * 1) sctab.flag = UNDEFINED 69 * 2) or sctab.value = -1 (and if !UNDEFINED and !UNSIGNED_VALUE) 70 * 71 * There are a group of symbols (e.g CHAR_MIN, INT_MAX, INT_MIN, LONG_BIT ...) 72 * which we may set to -1 if they are not pre-defined in a system header file. 73 * This is used to indicate that these symbols are "undefined". 74 * We are assuming that these symbols cannot reasonably have a value of -1 75 * if they were defined in a system header file. 76 * (Unless of course -1 can be used to indicate "undefined" for that symbol) 77 */ 78 79 static struct sctab { 80 long value; 81 char *name; 82 enum { SELFCONF, SYSCONF, PATHCONF, CONFSTR } type; 83 int flag; 84 /* bit fields for sctab.flag member */ 85 #define NOFLAGS 0 /* no special indicators */ 86 #define UNDEFINED 1 /* value is known undefined at compile time */ 87 #define UNSIGNED_VALUE 2 /* value is an unsigned */ 88 } sctab[] = { 89 /* 90 * Some entries in this structure have both leading _ and non leading _ 91 * versions for compatibility with various versions of the specifications. 92 * It is not expected that both forms will be required for new entries. 93 */ 94 95 /* POSIX.2-1992 table 2-17 */ 96 _POSIX2_BC_BASE_MAX, "POSIX2_BC_BASE_MAX", SELFCONF, NOFLAGS, 97 _POSIX2_BC_BASE_MAX, "_POSIX2_BC_BASE_MAX", SELFCONF, NOFLAGS, 98 _POSIX2_BC_DIM_MAX, "POSIX2_BC_DIM_MAX", SELFCONF, NOFLAGS, 99 _POSIX2_BC_DIM_MAX, "_POSIX2_BC_DIM_MAX", SELFCONF, NOFLAGS, 100 _POSIX2_BC_SCALE_MAX, "POSIX2_BC_SCALE_MAX", SELFCONF, NOFLAGS, 101 _POSIX2_BC_SCALE_MAX, "_POSIX2_BC_SCALE_MAX", SELFCONF, NOFLAGS, 102 _POSIX2_BC_STRING_MAX, "POSIX2_BC_STRING_MAX", SELFCONF, NOFLAGS, 103 _POSIX2_BC_STRING_MAX, "_POSIX2_BC_STRING_MAX", SELFCONF, NOFLAGS, 104 _POSIX2_COLL_WEIGHTS_MAX, "POSIX2_COLL_WEIGHTS_MAX", SELFCONF, NOFLAGS, 105 _POSIX2_COLL_WEIGHTS_MAX, "_POSIX2_COLL_WEIGHTS_MAX", SELFCONF, NOFLAGS, 106 _POSIX2_EXPR_NEST_MAX, "POSIX2_EXPR_NEST_MAX", SELFCONF, NOFLAGS, 107 _POSIX2_EXPR_NEST_MAX, "_POSIX2_EXPR_NEST_MAX", SELFCONF, NOFLAGS, 108 _POSIX2_LINE_MAX, "POSIX2_LINE_MAX", SELFCONF, NOFLAGS, 109 _POSIX2_LINE_MAX, "_POSIX2_LINE_MAX", SELFCONF, NOFLAGS, 110 _POSIX2_RE_DUP_MAX, "POSIX2_RE_DUP_MAX", SELFCONF, NOFLAGS, 111 _POSIX2_RE_DUP_MAX, "_POSIX2_RE_DUP_MAX", SELFCONF, NOFLAGS, 112 /* See limits.h section below for _POSIX_RE_DUP_MAX */ 113 114 /* UNIX 98 */ 115 _POSIX_AIO_LISTIO_MAX, "_POSIX_AIO_LISTIO_MAX", SELFCONF, NOFLAGS, 116 _POSIX_AIO_MAX, "_POSIX_AIO_MAX", SELFCONF, NOFLAGS, 117 _POSIX_DELAYTIMER_MAX, "_POSIX_DELAYTIMER_MAX", SELFCONF, NOFLAGS, 118 _POSIX_LOGIN_NAME_MAX, "_POSIX_LOGIN_NAME_MAX", SELFCONF, NOFLAGS, 119 _POSIX_MQ_OPEN_MAX, "_POSIX_MQ_OPEN_MAX", SELFCONF, NOFLAGS, 120 _POSIX_MQ_PRIO_MAX, "_POSIX_MQ_PRIO_MAX", SELFCONF, NOFLAGS, 121 _POSIX_RTSIG_MAX, "_POSIX_RTSIG_MAX", SELFCONF, NOFLAGS, 122 _POSIX_SEM_NSEMS_MAX, "_POSIX_SEM_NSEMS_MAX", SELFCONF, NOFLAGS, 123 _POSIX_SEM_VALUE_MAX, "_POSIX_SEM_VALUE_MAX", SELFCONF, NOFLAGS, 124 _POSIX_SIGQUEUE_MAX, "_POSIX_SIGQUEUE_MAX", SELFCONF, NOFLAGS, 125 _POSIX_TTY_NAME_MAX, "_POSIX_TTY_NAME_MAX", SELFCONF, NOFLAGS, 126 127 /* UNIX 03 */ 128 _POSIX_HOST_NAME_MAX, "_POSIX_HOST_NAME_MAX", SELFCONF, NOFLAGS, 129 _POSIX_RE_DUP_MAX, "_POSIX_RE_DUP_MAX", SELFCONF, NOFLAGS, 130 _POSIX_CLOCKRES_MIN, "_POSIX_CLOCKRES_MIN", SELFCONF, NOFLAGS, 131 _POSIX_SYMLINK_MAX, "_POSIX_SYMLINK_MAX", SELFCONF, NOFLAGS, 132 _POSIX_SYMLOOP_MAX, "_POSIX_SYMLOOP_MAX", SELFCONF, NOFLAGS, 133 CHARCLASS_NAME_MAX, "_POSIX2_CHARCLASS_NAME_MAX", SELFCONF, NOFLAGS, 134 135 /* POSIX.2-1992 table 2-17 */ 136 _SC_2_VERSION, "POSIX2_VERSION", SYSCONF, NOFLAGS, 137 _SC_2_VERSION, "_POSIX2_VERSION", SYSCONF, NOFLAGS, 138 139 /* POSIX.2-1992 table 2-18 */ 140 _SC_BC_BASE_MAX, "BC_BASE_MAX", SYSCONF, NOFLAGS, 141 _SC_BC_DIM_MAX, "BC_DIM_MAX", SYSCONF, NOFLAGS, 142 _SC_BC_SCALE_MAX, "BC_SCALE_MAX", SYSCONF, NOFLAGS, 143 _SC_BC_STRING_MAX, "BC_STRING_MAX", SYSCONF, NOFLAGS, 144 _SC_COLL_WEIGHTS_MAX, "COLL_WEIGHTS_MAX", SYSCONF, NOFLAGS, 145 _SC_EXPR_NEST_MAX, "EXPR_NEST_MAX", SYSCONF, NOFLAGS, 146 _SC_LINE_MAX, "LINE_MAX", SYSCONF, NOFLAGS, 147 _SC_RE_DUP_MAX, "RE_DUP_MAX", SYSCONF, NOFLAGS, 148 149 /* POSIX.2-1992 table 2-19 */ 150 _SC_2_C_BIND, "POSIX2_C_BIND", SYSCONF, NOFLAGS, 151 _SC_2_C_BIND, "_POSIX2_C_BIND", SYSCONF, NOFLAGS, 152 _SC_2_C_DEV, "POSIX2_C_DEV", SYSCONF, NOFLAGS, 153 _SC_2_C_DEV, "_POSIX2_C_DEV", SYSCONF, NOFLAGS, 154 _SC_2_CHAR_TERM, "POSIX2_CHAR_TERM", SYSCONF, NOFLAGS, 155 _SC_2_CHAR_TERM, "_POSIX2_CHAR_TERM", SYSCONF, NOFLAGS, 156 _SC_2_FORT_DEV, "POSIX2_FORT_DEV", SYSCONF, NOFLAGS, 157 _SC_2_FORT_DEV, "_POSIX2_FORT_DEV", SYSCONF, NOFLAGS, 158 _SC_2_FORT_RUN, "POSIX2_FORT_RUN", SYSCONF, NOFLAGS, 159 _SC_2_FORT_RUN, "_POSIX2_FORT_RUN", SYSCONF, NOFLAGS, 160 _SC_2_LOCALEDEF, "POSIX2_LOCALEDEF", SYSCONF, NOFLAGS, 161 _SC_2_LOCALEDEF, "_POSIX2_LOCALEDEF", SYSCONF, NOFLAGS, 162 _SC_2_SW_DEV, "POSIX2_SW_DEV", SYSCONF, NOFLAGS, 163 _SC_2_SW_DEV, "_POSIX2_SW_DEV", SYSCONF, NOFLAGS, 164 _SC_2_UPE, "POSIX2_UPE", SYSCONF, NOFLAGS, 165 _SC_2_UPE, "_POSIX2_UPE", SYSCONF, NOFLAGS, 166 167 /* POSIX.1-1990 table 2-3 */ 168 _POSIX_ARG_MAX, "_POSIX_ARG_MAX", SELFCONF, NOFLAGS, 169 _POSIX_CHILD_MAX, "_POSIX_CHILD_MAX", SELFCONF, NOFLAGS, 170 _POSIX_LINK_MAX, "_POSIX_LINK_MAX", SELFCONF, NOFLAGS, 171 _POSIX_MAX_CANON, "_POSIX_MAX_CANON", SELFCONF, NOFLAGS, 172 _POSIX_MAX_INPUT, "_POSIX_MAX_INPUT", SELFCONF, NOFLAGS, 173 _POSIX_NAME_MAX, "_POSIX_NAME_MAX", SELFCONF, NOFLAGS, 174 _POSIX_NGROUPS_MAX, "_POSIX_NGROUPS_MAX", SELFCONF, NOFLAGS, 175 _POSIX_OPEN_MAX, "_POSIX_OPEN_MAX", SELFCONF, NOFLAGS, 176 _POSIX_PATH_MAX, "_POSIX_PATH_MAX", SELFCONF, NOFLAGS, 177 _POSIX_PIPE_BUF, "_POSIX_PIPE_BUF", SELFCONF, NOFLAGS, 178 _POSIX_SSIZE_MAX, "_POSIX_SSIZE_MAX", SELFCONF, NOFLAGS, 179 _POSIX_STREAM_MAX, "_POSIX_STREAM_MAX", SELFCONF, NOFLAGS, 180 _POSIX_TIMER_MAX, "_POSIX_TIMER_MAX", SELFCONF, NOFLAGS, 181 _POSIX_THREAD_DESTRUCTOR_ITERATIONS, 182 "_POSIX_THREAD_DESTRUCTOR_ITERATIONS", SELFCONF, NOFLAGS, 183 _POSIX_THREAD_KEYS_MAX, 184 "_POSIX_THREAD_KEYS_MAX", SELFCONF, NOFLAGS, 185 _POSIX_THREAD_THREADS_MAX, 186 "_POSIX_THREAD_THREADS_MAX", SELFCONF, NOFLAGS, 187 _POSIX_TZNAME_MAX, "_POSIX_TZNAME_MAX", SELFCONF, NOFLAGS, 188 189 /* POSIX.1-1990 table 4-2 */ 190 _SC_ARG_MAX, "ARG_MAX", SYSCONF, NOFLAGS, 191 _SC_CHILD_MAX, "CHILD_MAX", SYSCONF, NOFLAGS, 192 _SC_CLK_TCK, "CLK_TCK", SYSCONF, NOFLAGS, 193 _SC_JOB_CONTROL, "_POSIX_JOB_CONTROL", SYSCONF, NOFLAGS, 194 _SC_NGROUPS_MAX, "NGROUPS_MAX", SYSCONF, NOFLAGS, 195 _SC_OPEN_MAX, "OPEN_MAX", SYSCONF, NOFLAGS, 196 _SC_SAVED_IDS, "_POSIX_SAVED_IDS", SYSCONF, NOFLAGS, 197 _SC_STREAM_MAX, "STREAM_MAX", SYSCONF, NOFLAGS, 198 _SC_TZNAME_MAX, "TZNAME_MAX", SYSCONF, NOFLAGS, 199 _SC_VERSION, "_POSIX_VERSION", SYSCONF, NOFLAGS, 200 201 /* pathconf() variables */ 202 203 /* POSIX.1-1990 table 5-2 */ 204 205 _PC_LINK_MAX, "LINK_MAX", PATHCONF, NOFLAGS, 206 _PC_MAX_CANON, "MAX_CANON", PATHCONF, NOFLAGS, 207 _PC_MAX_INPUT, "MAX_INPUT", PATHCONF, NOFLAGS, 208 _PC_NAME_MAX, "NAME_MAX", PATHCONF, NOFLAGS, 209 _PC_PATH_MAX, "PATH_MAX", PATHCONF, NOFLAGS, 210 _PC_PIPE_BUF, "PIPE_BUF", PATHCONF, NOFLAGS, 211 _PC_CHOWN_RESTRICTED, "_POSIX_CHOWN_RESTRICTED", PATHCONF, NOFLAGS, 212 _PC_NO_TRUNC, "_POSIX_NO_TRUNC", PATHCONF, NOFLAGS, 213 _PC_VDISABLE, "_POSIX_VDISABLE", PATHCONF, NOFLAGS, 214 215 /* UNIX 98 additions */ 216 217 _PC_ASYNC_IO, "_POSIX_ASYNC_IO", PATHCONF, NOFLAGS, 218 _PC_PRIO_IO, "_POSIX_PRIO_IO", PATHCONF, NOFLAGS, 219 _PC_SYNC_IO, "_POSIX_SYNC_IO", PATHCONF, NOFLAGS, 220 221 /* Large File Summit name (UNIX 98) */ 222 223 _PC_FILESIZEBITS, "FILESIZEBITS", PATHCONF, NOFLAGS, 224 _PC_XATTR_ENABLED, "XATTR_ENABLED", PATHCONF, NOFLAGS, 225 _PC_XATTR_EXISTS, "XATTR_EXISTS", PATHCONF, NOFLAGS, 226 227 /* UNIX 03 Additions */ 228 229 /* Advisory Information (ADV) */ 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 _PC_ACL_ENABLED, "ACL_ENABLED", PATHCONF, NOFLAGS, 240 _PC_MIN_HOLE_SIZE, "MIN_HOLE_SIZE", PATHCONF, NOFLAGS, 241 _PC_SATTR_ENABLED, "SATTR_ENABLED", PATHCONF, NOFLAGS, 242 _PC_SATTR_EXISTS, "SATTR_EXISTS", PATHCONF, NOFLAGS, 243 244 /* UNIX 08 additions */ 245 246 _PC_TIMESTAMP_RESOLUTION, "_POSIX_TIMESTAMP_RESOLUTION", 247 PATHCONF, NOFLAGS, 248 249 /* confstr() variables */ 250 251 /* POSIX.2-1992 description of getconf utility */ 252 _CS_PATH, "PATH", CONFSTR, NOFLAGS, 253 254 /* POSIX.2-1992 table B-18 */ 255 _CS_PATH, "CS_PATH", CONFSTR, NOFLAGS, 256 _CS_PATH, "_CS_PATH", CONFSTR, NOFLAGS, 257 258 /* command names for large file configuration information */ 259 /* large file compilation environment configuration */ 260 261 _CS_LFS_CFLAGS, "LFS_CFLAGS", CONFSTR, NOFLAGS, 262 _CS_LFS_LDFLAGS, "LFS_LDFLAGS", CONFSTR, NOFLAGS, 263 _CS_LFS_LIBS, "LFS_LIBS", CONFSTR, NOFLAGS, 264 _CS_LFS_LINTFLAGS, "LFS_LINTFLAGS", CONFSTR, NOFLAGS, 265 266 /* transitional large file interface configuration */ 267 268 _CS_LFS64_CFLAGS, "LFS64_CFLAGS", CONFSTR, NOFLAGS, 269 _CS_LFS64_LDFLAGS, "LFS64_LDFLAGS", CONFSTR, NOFLAGS, 270 _CS_LFS64_LIBS, "LFS64_LIBS", CONFSTR, NOFLAGS, 271 _CS_LFS64_LINTFLAGS, "LFS64_LINTFLAGS", CONFSTR, NOFLAGS, 272 273 /* 274 * UNIX 98: 275 * confstr additions, these support 276 * programming specifications/environments. 277 * 278 * Unfortunately there is some uncertainty with 279 * the standard at this point about the constant 280 * name, thus we need to recognize BOTH with and 281 * without the initial underscore. 282 */ 283 _CS_XBS5_ILP32_OFF32_CFLAGS, "XBS5_ILP32_OFF32_CFLAGS", 284 CONFSTR, NOFLAGS, 285 _CS_XBS5_ILP32_OFF32_CFLAGS, "_XBS5_ILP32_OFF32_CFLAGS", 286 CONFSTR, NOFLAGS, 287 288 _CS_XBS5_ILP32_OFF32_LDFLAGS, "XBS5_ILP32_OFF32_LDFLAGS", 289 CONFSTR, NOFLAGS, 290 _CS_XBS5_ILP32_OFF32_LDFLAGS, "_XBS5_ILP32_OFF32_LDFLAGS", 291 CONFSTR, NOFLAGS, 292 293 _CS_XBS5_ILP32_OFF32_LIBS, "XBS5_ILP32_OFF32_LIBS", 294 CONFSTR, NOFLAGS, 295 _CS_XBS5_ILP32_OFF32_LIBS, "_XBS5_ILP32_OFF32_LIBS", 296 CONFSTR, NOFLAGS, 297 298 _CS_XBS5_ILP32_OFF32_LINTFLAGS, "XBS5_ILP32_OFF32_LINTFLAGS", 299 CONFSTR, NOFLAGS, 300 _CS_XBS5_ILP32_OFF32_LINTFLAGS, "_XBS5_ILP32_OFF32_LINTFLAGS", 301 CONFSTR, NOFLAGS, 302 303 _CS_XBS5_ILP32_OFFBIG_CFLAGS, "XBS5_ILP32_OFFBIG_CFLAGS", 304 CONFSTR, NOFLAGS, 305 _CS_XBS5_ILP32_OFFBIG_CFLAGS, "_XBS5_ILP32_OFFBIG_CFLAGS", 306 CONFSTR, NOFLAGS, 307 308 _CS_XBS5_ILP32_OFFBIG_LDFLAGS, "XBS5_ILP32_OFFBIG_LDFLAGS", 309 CONFSTR, NOFLAGS, 310 _CS_XBS5_ILP32_OFFBIG_LDFLAGS, "_XBS5_ILP32_OFFBIG_LDFLAGS", 311 CONFSTR, NOFLAGS, 312 313 _CS_XBS5_ILP32_OFFBIG_LIBS, "XBS5_ILP32_OFFBIG_LIBS", 314 CONFSTR, NOFLAGS, 315 _CS_XBS5_ILP32_OFFBIG_LIBS, "_XBS5_ILP32_OFFBIG_LIBS", 316 CONFSTR, NOFLAGS, 317 318 _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, "XBS5_ILP32_OFFBIG_LINTFLAGS", 319 CONFSTR, NOFLAGS, 320 _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, "_XBS5_ILP32_OFFBIG_LINTFLAGS", 321 CONFSTR, NOFLAGS, 322 323 _CS_XBS5_LP64_OFF64_CFLAGS, "XBS5_LP64_OFF64_CFLAGS", 324 CONFSTR, NOFLAGS, 325 _CS_XBS5_LP64_OFF64_CFLAGS, "_XBS5_LP64_OFF64_CFLAGS", 326 CONFSTR, NOFLAGS, 327 328 _CS_XBS5_LP64_OFF64_LDFLAGS, "XBS5_LP64_OFF64_LDFLAGS", 329 CONFSTR, NOFLAGS, 330 _CS_XBS5_LP64_OFF64_LDFLAGS, "_XBS5_LP64_OFF64_LDFLAGS", 331 CONFSTR, NOFLAGS, 332 333 _CS_XBS5_LP64_OFF64_LIBS, "XBS5_LP64_OFF64_LIBS", 334 CONFSTR, NOFLAGS, 335 _CS_XBS5_LP64_OFF64_LIBS, "_XBS5_LP64_OFF64_LIBS", 336 CONFSTR, NOFLAGS, 337 338 _CS_XBS5_LP64_OFF64_LINTFLAGS, "XBS5_LP64_OFF64_LINTFLAGS", 339 CONFSTR, NOFLAGS, 340 _CS_XBS5_LP64_OFF64_LINTFLAGS, "_XBS5_LP64_OFF64_LINTFLAGS", 341 CONFSTR, NOFLAGS, 342 343 _CS_XBS5_LPBIG_OFFBIG_CFLAGS, "XBS5_LPBIG_OFFBIG_CFLAGS", 344 CONFSTR, NOFLAGS, 345 _CS_XBS5_LPBIG_OFFBIG_CFLAGS, "_XBS5_LPBIG_OFFBIG_CFLAGS", 346 CONFSTR, NOFLAGS, 347 348 _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, "XBS5_LPBIG_OFFBIG_LDFLAGS", 349 CONFSTR, NOFLAGS, 350 _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, "_XBS5_LPBIG_OFFBIG_LDFLAGS", 351 CONFSTR, NOFLAGS, 352 353 _CS_XBS5_LPBIG_OFFBIG_LIBS, "XBS5_LPBIG_OFFBIG_LIBS", 354 CONFSTR, NOFLAGS, 355 _CS_XBS5_LPBIG_OFFBIG_LIBS, "_XBS5_LPBIG_OFFBIG_LIBS", 356 CONFSTR, NOFLAGS, 357 358 _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, "XBS5_LPBIG_OFFBIG_LINTFLAGS", 359 CONFSTR, NOFLAGS, 360 _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, "_XBS5_LPBIG_OFFBIG_LINTFLAGS", 361 CONFSTR, NOFLAGS, 362 363 /* 364 * UNIX 03 confstr() additions for compilation environments 365 */ 366 _CS_POSIX_V6_ILP32_OFF32_CFLAGS, "POSIX_V6_ILP32_OFF32_CFLAGS", 367 CONFSTR, NOFLAGS, 368 _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, "POSIX_V6_ILP32_OFF32_LDFLAGS", 369 CONFSTR, NOFLAGS, 370 _CS_POSIX_V6_ILP32_OFF32_LIBS, "POSIX_V6_ILP32_OFF32_LIBS", 371 CONFSTR, NOFLAGS, 372 _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, "POSIX_V6_ILP32_OFFBIG_CFLAGS", 373 CONFSTR, NOFLAGS, 374 _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, "POSIX_V6_ILP32_OFFBIG_LDFLAGS", 375 CONFSTR, NOFLAGS, 376 _CS_POSIX_V6_ILP32_OFFBIG_LIBS, "POSIX_V6_ILP32_OFFBIG_LIBS", 377 CONFSTR, NOFLAGS, 378 _CS_POSIX_V6_LP64_OFF64_CFLAGS, "POSIX_V6_LP64_OFF64_CFLAGS", 379 CONFSTR, NOFLAGS, 380 _CS_POSIX_V6_LP64_OFF64_LDFLAGS, "POSIX_V6_LP64_OFF64_LDFLAGS", 381 CONFSTR, NOFLAGS, 382 _CS_POSIX_V6_LP64_OFF64_LIBS, "POSIX_V6_LP64_OFF64_LIBS", 383 CONFSTR, NOFLAGS, 384 _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, "POSIX_V6_LPBIG_OFFBIG_CFLAGS", 385 CONFSTR, NOFLAGS, 386 _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", 387 CONFSTR, NOFLAGS, 388 _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, "POSIX_V6_LPBIG_OFFBIG_LIBS", 389 CONFSTR, NOFLAGS, 390 _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS, "POSIX_V6_WIDTH_RESTRICTED_ENVS", 391 CONFSTR, NOFLAGS, 392 /* End of UNIX 03 compilation environments */ 393 394 #ifdef _SC_2_C_VERSION /* POSIX.2 table B-4 */ 395 _SC_2_C_VERSION, "_POSIX2_C_VERSION", SYSCONF, NOFLAGS, 396 #else 397 _POSIX2_C_VERSION, "_POSIX2_C_VERSION", SELFCONF, NOFLAGS, 398 #endif 399 400 /* 401 * XPG4 support BEGINS 402 */ 403 404 #ifndef CHARCLASS_NAME_MAX 405 #define CHARCLASS_NAME_MAX -1 406 #endif 407 #ifndef CHAR_BIT 408 #define CHAR_BIT -1 409 #endif 410 #ifndef CHAR_MAX 411 #define CHAR_MAX -1 412 #endif 413 #ifndef CHAR_MIN 414 #define CHAR_MIN -1 415 #endif 416 #ifndef INT_MAX 417 #define INT_MAX -1 418 #endif 419 #ifndef INT_MIN 420 #define INT_MIN -1 421 #endif 422 #ifndef LONG_BIT 423 #define LONG_BIT -1 424 #endif 425 #ifndef LONG_MAX 426 #define LONG_MAX -1 427 #endif 428 #ifndef LONG_MIN 429 #define LONG_MIN -1 430 #endif 431 #ifndef MB_LEN_MAX 432 #define MB_LEN_MAX -1 433 #endif 434 #ifndef NL_NMAX 435 #define NL_NMAX -1 436 #endif 437 #ifndef NL_ARGMAX 438 #define NL_ARGMAX -1 439 #endif 440 #ifndef NL_LANGMAX 441 #define NL_LANGMAX -1 442 #endif 443 #ifndef NL_MSGMAX 444 #define NL_MSGMAX -1 445 #endif 446 #ifndef NL_SETMAX 447 #define NL_SETMAX -1 448 #endif 449 #ifndef NL_TEXTMAX 450 #define NL_TEXTMAX -1 451 #endif 452 #ifndef NZERO 453 #define NZERO -1 454 #endif 455 #ifndef SCHAR_MAX 456 #define SCHAR_MAX -1 457 #endif 458 #ifndef SCHAR_MIN 459 #define SCHAR_MIN -1 460 #endif 461 #ifndef SHRT_MAX 462 #define SHRT_MAX -1 463 #endif 464 #ifndef SHRT_MIN 465 #define SHRT_MIN -1 466 #endif 467 #ifndef TMP_MAX 468 #define TMP_MAX -1 469 #endif 470 #ifndef WORD_BIT 471 #define WORD_BIT -1 472 #endif 473 474 475 #ifndef _XOPEN_XPG2 476 #define _XOPEN_XPG2 -1 477 #endif 478 #ifndef _XOPEN_XPG3 479 #define _XOPEN_XPG3 -1 480 #endif 481 #ifndef _XOPEN_XPG4 482 #define _XOPEN_XPG4 -1 483 #endif 484 485 /* 486 * the following are values that we should find in <limits.h> 487 * so we use SELFCONF here. 488 * 489 */ 490 491 /* POSIX.1-1990 */ 492 CHARCLASS_NAME_MAX, "CHARCLASS_NAME_MAX", SELFCONF, NOFLAGS, 493 SSIZE_MAX, "SSIZE_MAX", SELFCONF, NOFLAGS, 494 495 /* POSIX.1-1988 */ 496 CHAR_BIT, "CHAR_BIT", SELFCONF, NOFLAGS, 497 CHAR_MAX, "CHAR_MAX", SELFCONF, NOFLAGS, 498 CHAR_MIN, "CHAR_MIN", SELFCONF, NOFLAGS, 499 INT_MAX, "INT_MAX", SELFCONF, NOFLAGS, 500 INT_MIN, "INT_MIN", SELFCONF, NOFLAGS, 501 LONG_BIT, "LONG_BIT", SELFCONF, NOFLAGS, 502 LONG_MAX, "LONG_MAX", SELFCONF, NOFLAGS, 503 LONG_MIN, "LONG_MIN", SELFCONF, NOFLAGS, 504 MB_LEN_MAX, "MB_LEN_MAX", SELFCONF, NOFLAGS, 505 NL_NMAX, "NL_NMAX", SELFCONF, NOFLAGS, 506 NL_ARGMAX, "NL_ARGMAX", SELFCONF, NOFLAGS, 507 NL_LANGMAX, "NL_LANGMAX", SELFCONF, NOFLAGS, 508 NL_MSGMAX, "NL_MSGMAX", SELFCONF, NOFLAGS, 509 NL_SETMAX, "NL_SETMAX", SELFCONF, NOFLAGS, 510 NL_TEXTMAX, "NL_TEXTMAX", SELFCONF, NOFLAGS, 511 NZERO, "NZERO", SELFCONF, NOFLAGS, 512 SCHAR_MAX, "SCHAR_MAX", SELFCONF, NOFLAGS, 513 SCHAR_MIN, "SCHAR_MIN", SELFCONF, NOFLAGS, 514 SHRT_MAX, "SHRT_MAX", SELFCONF, NOFLAGS, 515 SHRT_MIN, "SHRT_MIN", SELFCONF, NOFLAGS, 516 TMP_MAX, "TMP_MAX", SELFCONF, NOFLAGS, 517 518 /* 519 * for the unsigned maximums, we cannot rely on the value -1 520 * to indicate "undefined". 521 */ 522 #ifndef UCHAR_MAX 523 0, "UCHAR_MAX", SELFCONF, UNDEFINED, 524 #else 525 (long)UCHAR_MAX, "UCHAR_MAX", SELFCONF, UNSIGNED_VALUE, 526 #endif /* UCHAR_MAX */ 527 #ifndef UINT_MAX 528 0, "UINT_MAX", SELFCONF, UNDEFINED, 529 #else 530 (long)UINT_MAX, "UINT_MAX", SELFCONF, UNSIGNED_VALUE, 531 #endif /* UINT_MAX */ 532 #ifndef ULONG_MAX 533 0, "ULONG_MAX", SELFCONF, UNDEFINED, 534 #else 535 (long)ULONG_MAX, "ULONG_MAX", SELFCONF, UNSIGNED_VALUE, 536 #endif /* ULONG_MAX */ 537 #ifndef USHRT_MAX 538 0, "USHRT_MAX", SELFCONF, UNDEFINED, 539 #else 540 (long)USHRT_MAX, "USHRT_MAX", SELFCONF, UNSIGNED_VALUE, 541 #endif /* USHRT_MAX */ 542 #ifndef SIZE_MAX 543 0, "SIZE_MAX", SELFCONF, UNDEFINED, 544 #else 545 (long)SIZE_MAX, "SIZE_MAX", SELFCONF, UNSIGNED_VALUE, 546 #endif /* SIZE_MAX */ 547 548 WORD_BIT, "WORD_BIT", SELFCONF, NOFLAGS, 549 550 /* XPG4 Version 2 */ 551 _XOPEN_IOV_MAX, "_XOPEN_IOV_MAX", SELFCONF, NOFLAGS, 552 553 /* UNIX 03 */ 554 _XOPEN_NAME_MAX, "_XOPEN_NAME_MAX", SELFCONF, NOFLAGS, 555 _XOPEN_PATH_MAX, "_XOPEN_PATH_MAX", SELFCONF, NOFLAGS, 556 557 /* 558 * The following are defined via sysconf(). These are considered 559 * an extension to sysconf(). 560 * The -0 is needed if _XOPEN_XPG? is defined to be an empty string. 561 */ 562 _XOPEN_XPG2-0, "_XOPEN_XPG2", SELFCONF, NOFLAGS, 563 _XOPEN_XPG3-0, "_XOPEN_XPG3", SELFCONF, NOFLAGS, 564 _XOPEN_XPG4-0, "_XOPEN_XPG4", SELFCONF, NOFLAGS, 565 566 /* 567 * The following should be provided by sysconf() (e.g use SYSCONF), 568 * so we look for the appropriate _SC_* symbol in <unistd.h>. 569 * If it is not defined, then we use SELFCONF with the value of -1. 570 */ 571 _SC_XOPEN_VERSION, "_XOPEN_VERSION", SYSCONF, NOFLAGS, 572 _SC_XOPEN_XCU_VERSION, "_XOPEN_XCU_VERSION", SYSCONF, NOFLAGS, 573 _SC_XOPEN_CRYPT, "_XOPEN_CRYPT", SYSCONF, NOFLAGS, 574 _SC_XOPEN_ENH_I18N, "_XOPEN_ENH_I18N", SYSCONF, NOFLAGS, 575 _SC_XOPEN_SHM, "_XOPEN_SHM", SYSCONF, NOFLAGS, 576 577 /* 578 * XPG4 support ends 579 */ 580 581 /* XPG4, Version 2 support */ 582 583 _SC_ATEXIT_MAX, "ATEXIT_MAX", SYSCONF, NOFLAGS, 584 _SC_PAGESIZE, "PAGESIZE", SYSCONF, NOFLAGS, 585 _SC_PAGE_SIZE, "PAGE_SIZE", SYSCONF, NOFLAGS, 586 _SC_XOPEN_UNIX, "_XOPEN_UNIX", SYSCONF, NOFLAGS, 587 _SC_IOV_MAX, "IOV_MAX", SYSCONF, NOFLAGS, 588 589 /* 590 * UNIX 98 - XPG5 additions 591 */ 592 _SC_XOPEN_LEGACY, "_XOPEN_LEGACY", SYSCONF, NOFLAGS, 593 _SC_PASS_MAX, "PASS_MAX", SYSCONF, NOFLAGS, 594 _SC_AIO_LISTIO_MAX, "AIO_LISTIO_MAX", SYSCONF, NOFLAGS, 595 _SC_AIO_MAX, "AIO_MAX", SYSCONF, NOFLAGS, 596 _SC_AIO_PRIO_DELTA_MAX, "AIO_PRIO_DELTA_MAX", SYSCONF, NOFLAGS, 597 _SC_DELAYTIMER_MAX, "DELAYTIMER_MAX", SYSCONF, NOFLAGS, 598 _SC_MQ_OPEN_MAX, "MQ_OPEN_MAX", SYSCONF, NOFLAGS, 599 _SC_MQ_PRIO_MAX, "MQ_PRIO_MAX", SYSCONF, NOFLAGS, 600 _SC_RTSIG_MAX, "RTSIG_MAX", SYSCONF, NOFLAGS, 601 _SC_SEM_NSEMS_MAX, "SEM_NSEMS_MAX", SYSCONF, NOFLAGS, 602 _SC_SEM_VALUE_MAX, "SEM_VALUE_MAX", SYSCONF, NOFLAGS, 603 _SC_SIGQUEUE_MAX, "SIGQUEUE_MAX", SYSCONF, NOFLAGS, 604 _SC_TIMER_MAX, "TIMER_MAX", SYSCONF, NOFLAGS, 605 606 _SC_ASYNCHRONOUS_IO, "_POSIX_ASYNCHRONOUS_IO", SYSCONF, NOFLAGS, 607 _SC_FSYNC, "_POSIX_FSYNC", SYSCONF, NOFLAGS, 608 _SC_MAPPED_FILES, "_POSIX_MAPPED_FILES", SYSCONF, NOFLAGS, 609 _SC_MEMLOCK, "_POSIX_MEMLOCK", SYSCONF, NOFLAGS, 610 _SC_MEMLOCK_RANGE, "_POSIX_MEMLOCK_RANGE", SYSCONF, NOFLAGS, 611 _SC_MEMORY_PROTECTION, "_POSIX_MEMORY_PROTECTION", SYSCONF, NOFLAGS, 612 _SC_MESSAGE_PASSING, "_POSIX_MESSAGE_PASSING", SYSCONF, NOFLAGS, 613 _SC_PRIORITIZED_IO, "_POSIX_PRIORITIZED_IO", SYSCONF, NOFLAGS, 614 _SC_PRIORITY_SCHEDULING, "_POSIX_PRIORITY_SCHEDULING", SYSCONF, NOFLAGS, 615 _SC_REALTIME_SIGNALS, "_POSIX_REALTIME_SIGNALS", SYSCONF, NOFLAGS, 616 _SC_SEMAPHORES, "_POSIX_SEMAPHORES", SYSCONF, NOFLAGS, 617 618 _SC_SHARED_MEMORY_OBJECTS, "_POSIX_SHARED_MEMORY_OBJECTS", 619 SYSCONF, NOFLAGS, 620 621 _SC_SYNCHRONIZED_IO, "_POSIX_SYNCHRONIZED_IO", SYSCONF, NOFLAGS, 622 _SC_TIMERS, "_POSIX_TIMERS", SYSCONF, NOFLAGS, 623 624 _SC_LOGIN_NAME_MAX, "LOGIN_NAME_MAX", SYSCONF, NOFLAGS, 625 626 _SC_THREAD_DESTRUCTOR_ITERATIONS, "PTHREAD_DESTRUCTOR_ITERATIONS", 627 SYSCONF, NOFLAGS, 628 629 _SC_THREAD_KEYS_MAX, "PTHREAD_KEYS_MAX", SYSCONF, NOFLAGS, 630 _SC_THREAD_STACK_MIN, "PTHREAD_STACK_MIN", SYSCONF, NOFLAGS, 631 _SC_THREAD_THREADS_MAX, "PTHREAD_THREADS_MAX", SYSCONF, NOFLAGS, 632 633 _SC_THREADS, "_POSIX_THREADS", SYSCONF, NOFLAGS, 634 635 _SC_THREAD_ATTR_STACKADDR, "POSIX_THREAD_ATTR_STACKADDR", 636 SYSCONF, NOFLAGS, 637 _SC_THREAD_ATTR_STACKADDR, "_POSIX_THREAD_ATTR_STACKADDR", 638 SYSCONF, NOFLAGS, 639 640 _SC_THREAD_ATTR_STACKSIZE, "POSIX_THREAD_ATTR_STACKSIZE", 641 SYSCONF, NOFLAGS, 642 _SC_THREAD_ATTR_STACKSIZE, "_POSIX_THREAD_ATTR_STACKSIZE", 643 SYSCONF, NOFLAGS, 644 645 _SC_THREAD_PRIORITY_SCHEDULING, "POSIX_THREAD_PRIORITY_SCHEDULING", 646 SYSCONF, NOFLAGS, 647 _SC_THREAD_PRIORITY_SCHEDULING, "_POSIX_THREAD_PRIORITY_SCHEDULING", 648 SYSCONF, NOFLAGS, 649 650 _SC_THREAD_PRIO_INHERIT, "POSIX_THREAD_PRIO_INHERIT", 651 SYSCONF, NOFLAGS, 652 _SC_THREAD_PRIO_INHERIT, "_POSIX_THREAD_PRIO_INHERIT", 653 SYSCONF, NOFLAGS, 654 655 _SC_THREAD_PRIO_PROTECT, "POSIX_THREAD_PRIO_PROTECT", 656 SYSCONF, NOFLAGS, 657 _SC_THREAD_PRIO_PROTECT, "_POSIX_THREAD_PRIO_PROTECT", 658 SYSCONF, NOFLAGS, 659 660 _SC_THREAD_PROCESS_SHARED, "POSIX_THREAD_PROCESS_SHARED", 661 SYSCONF, NOFLAGS, 662 _SC_THREAD_PROCESS_SHARED, "_POSIX_THREAD_PROCESS_SHARED", 663 SYSCONF, NOFLAGS, 664 665 _SC_THREAD_SAFE_FUNCTIONS, "POSIX_THREAD_SAFE_FUNCTIONS", 666 SYSCONF, NOFLAGS, 667 _SC_THREAD_SAFE_FUNCTIONS, "_POSIX_THREAD_SAFE_FUNCTIONS", 668 SYSCONF, NOFLAGS, 669 670 _SC_TTY_NAME_MAX, "TTY_NAME_MAX", SYSCONF, NOFLAGS, 671 _SC_XOPEN_REALTIME, "_XOPEN_REALTIME", SYSCONF, NOFLAGS, 672 _SC_XOPEN_REALTIME_THREADS, "_XOPEN_REALTIME_THREADS", SYSCONF, NOFLAGS, 673 674 /* 675 * Due to ambiguity in the standard we need 676 * to recognize both the underscored name 677 * and the non-underscored version in the 678 * following variables. 679 */ 680 _SC_XBS5_ILP32_OFF32, "XBS5_ILP32_OFF32", SYSCONF, NOFLAGS, 681 _SC_XBS5_ILP32_OFF32, "_XBS5_ILP32_OFF32", SYSCONF, NOFLAGS, 682 683 _SC_XBS5_ILP32_OFFBIG, "XBS5_ILP32_OFFBIG", SYSCONF, NOFLAGS, 684 _SC_XBS5_ILP32_OFFBIG, "_XBS5_ILP32_OFFBIG", SYSCONF, NOFLAGS, 685 686 _SC_XBS5_LP64_OFF64, "XBS5_LP64_OFF64", SYSCONF, NOFLAGS, 687 _SC_XBS5_LP64_OFF64, "_XBS5_LP64_OFF64", SYSCONF, NOFLAGS, 688 689 _SC_XBS5_LPBIG_OFFBIG, "XBS5_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 690 _SC_XBS5_LPBIG_OFFBIG, "_XBS5_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 691 692 /* 693 * UNIX 03 additions for sysconf() names, and names that are not in interfaces 694 */ 695 _SC_REGEXP, "_POSIX_REGEXP", SYSCONF, NOFLAGS, 696 _SC_SHELL, "_POSIX_SHELL", SYSCONF, NOFLAGS, 697 _SC_HOST_NAME_MAX, "HOST_NAME_MAX", SYSCONF, NOFLAGS, 698 _SC_READER_WRITER_LOCKS, "_POSIX_READER_WRITER_LOCKS", SYSCONF, NOFLAGS, 699 _SC_IPV6, "_POSIX_IPV6", SYSCONF, NOFLAGS, 700 _SC_RAW_SOCKETS, "_POSIX_RAW_SOCKETS", SYSCONF, NOFLAGS, 701 _SC_XOPEN_STREAMS, "_XOPEN_STREAMS", SYSCONF, NOFLAGS, 702 _SC_SYMLOOP_MAX, "SYMLOOP_MAX", SYSCONF, NOFLAGS, 703 _SC_2_PBS, "_POSIX2_PBS", SYSCONF, NOFLAGS, 704 _SC_2_PBS_ACCOUNTING, "_POSIX2_PBS_ACCOUNTING", SYSCONF, NOFLAGS, 705 _SC_2_PBS_CHECKPOINT, "_POSIX2_PBS_CHECKPOINT", SYSCONF, NOFLAGS, 706 _SC_2_PBS_LOCATE, "_POSIX2_PBS_LOCATE", SYSCONF, NOFLAGS, 707 _SC_2_PBS_MESSAGE, "_POSIX2_PBS_MESSAGE", SYSCONF, NOFLAGS, 708 _SC_2_PBS_TRACK, "_POSIX2_PBS_TRACK", SYSCONF, NOFLAGS, 709 710 _SC_ADVISORY_INFO, "_POSIX_ADVISORY_INFO", SYSCONF, NOFLAGS, 711 _SC_BARRIERS, "_POSIX_BARRIERS", SYSCONF, NOFLAGS, 712 _SC_CLOCK_SELECTION, "_POSIX_CLOCK_SELECTION", SYSCONF, NOFLAGS, 713 _SC_CPUTIME, "_POSIX_CPUTIME", SYSCONF, NOFLAGS, 714 _SC_MONOTONIC_CLOCK, "_POSIX_MONOTONIC_CLOCK", SYSCONF, NOFLAGS, 715 _SC_SPAWN, "_POSIX_SPAWN", SYSCONF, NOFLAGS, 716 _SC_SPIN_LOCKS, "_POSIX_SPIN_LOCKS", SYSCONF, NOFLAGS, 717 _SC_SPORADIC_SERVER, "_POSIX_SPORADIC_SERVER", SYSCONF, NOFLAGS, 718 _SC_SS_REPL_MAX, "_POSIX_SS_REPL_MAX", SYSCONF, NOFLAGS, 719 _SC_THREAD_CPUTIME, "_POSIX_THREAD_CPUTIME", SYSCONF, NOFLAGS, 720 _SC_THREAD_SPORADIC_SERVER, "_POSIX_THREAD_SPORADIC_SERVER", SYSCONF, 721 NOFLAGS, 722 _SC_TIMEOUTS, "_POSIX_TIMEOUTS", SYSCONF, NOFLAGS, 723 _SC_TRACE, "_POSIX_TRACE", SYSCONF, NOFLAGS, 724 _SC_TRACE_EVENT_FILTER, "_POSIX_TRACE_EVENT_FILTER", SYSCONF, NOFLAGS, 725 _SC_TRACE_EVENT_NAME_MAX, "_POSIX_TRACE_EVENT_NAME_MAX", SYSCONF, 726 NOFLAGS, 727 _SC_TRACE_INHERIT, "_POSIX_TRACE_INHERIT", SYSCONF, NOFLAGS, 728 _SC_TRACE_LOG, "_POSIX_TRACE_LOG", SYSCONF, NOFLAGS, 729 _SC_TRACE_NAME_MAX, "_POSIX_TRACE_NAME_MAX", SYSCONF, NOFLAGS, 730 _SC_TRACE_SYS_MAX, "_POSIX_TRACE_SYS_MAX", SYSCONF, NOFLAGS, 731 _SC_TRACE_USER_EVENT_MAX, "_POSIX_TRACE_USER_EVENT_MAX", SYSCONF, 732 NOFLAGS, 733 _SC_TYPED_MEMORY_OBJECTS, "_POSIX_TYPED_MEMORY_OBJECTS", SYSCONF, 734 NOFLAGS, 735 736 /* 737 * Due to an ambiguity in the specification, we need to recognize both 738 * the underscored POSIX name and the non-underscored name. In addition, 739 * we need to permit the use of the _V6_* environment names specified 740 * in unistd.h. 741 */ 742 _SC_V6_ILP32_OFF32, "_V6_ILP32_OFF32", SYSCONF, NOFLAGS, 743 _SC_V6_ILP32_OFF32, "_POSIX_V6_ILP32_OFF32", SYSCONF, NOFLAGS, 744 _SC_V6_ILP32_OFF32, "POSIX_V6_ILP32_OFF32", SYSCONF, NOFLAGS, 745 746 _SC_V6_ILP32_OFFBIG, "_V6_ILP32_OFFBIG", SYSCONF, NOFLAGS, 747 _SC_V6_ILP32_OFFBIG, "_POSIX_V6_ILP32_OFFBIG", SYSCONF, NOFLAGS, 748 _SC_V6_ILP32_OFFBIG, "POSIX_V6_ILP32_OFFBIG", SYSCONF, NOFLAGS, 749 750 _SC_V6_LP64_OFF64, "_V6_LP64_OFF64", SYSCONF, NOFLAGS, 751 _SC_V6_LP64_OFF64, "_POSIX_V6_LP64_OFF64", SYSCONF, NOFLAGS, 752 _SC_V6_LP64_OFF64, "POSIX_V6_LP64_OFF64", SYSCONF, NOFLAGS, 753 754 _SC_V6_LPBIG_OFFBIG, "_V6_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 755 _SC_V6_LPBIG_OFFBIG, "_POSIX_V6_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 756 _SC_V6_LPBIG_OFFBIG, "POSIX_V6_LPBIG_OFFBIG", SYSCONF, NOFLAGS, 757 /* 758 * System V Interface Definition 759 */ 760 _SC_NPROCESSORS_CONF, "NPROCESSORS_CONF", SYSCONF, NOFLAGS, 761 _SC_NPROCESSORS_MAX, "NPROCESSORS_MAX", SYSCONF, NOFLAGS, 762 _SC_NPROCESSORS_ONLN, "NPROCESSORS_ONLN", SYSCONF, NOFLAGS, 763 0, NULL, 0, 0 /* end of table */ 764 }; 765 766 767 /* 768 * Print usage message. 769 */ 770 static int 771 usage() 772 { 773 774 (void) fputs(gettext( 775 "usage:\tgetconf [-v specification] system_var\n" 776 "\tgetconf [-v specification] path_var pathname\n" 777 "\tgetconf -a\n"), stderr); 778 return (2); 779 } 780 781 782 static int 783 namecmp(const void *a, const void *b) 784 { 785 return (strcoll(((const struct sctab *)a)->name, 786 ((const struct sctab *)b)->name)); 787 } 788 789 790 static int 791 getconf(struct sctab *scp, int argc, char *name, char *file) 792 { 793 register size_t len; 794 register char *buffer; 795 long value; 796 797 switch (scp->type) { 798 case SELFCONF: 799 if (argc > 2) 800 return (usage()); 801 if (scp->flag & UNDEFINED || 802 (!(scp->flag&UNSIGNED_VALUE) && scp->value == -1)) { 803 /* DO NOT TRANSLATE */ 804 (void) printf("undefined\n"); 805 } else 806 if (scp->flag & UNSIGNED_VALUE) 807 (void) printf("%lu\n", scp->value); 808 else 809 (void) printf("%ld\n", scp->value); 810 break; 811 812 case SYSCONF: 813 if (argc > 2) 814 return (usage()); 815 errno = 0; 816 if (scp->flag & UNDEFINED || 817 (value = sysconf((int)scp->value)) == -1) { 818 if (errno == EINVAL) { 819 (void) fprintf(stderr, 820 gettext(INVAL_ARG), name); 821 return (1); 822 } else { 823 /* DO NOT TRANSLATE */ 824 (void) printf("undefined\n"); 825 return (0); 826 } 827 } else 828 (void) printf("%ld\n", value); 829 break; 830 831 case CONFSTR: 832 if (argc > 2) 833 return (usage()); 834 errno = 0; 835 len = confstr((int)scp->value, NULL, (size_t)0); 836 if (len == 0) { 837 if (errno == EINVAL) { 838 (void) fprintf(stderr, gettext(INVAL_ARG), 839 name); 840 return (1); 841 } else { 842 /* DO NOT TRANSLATE */ 843 (void) printf("undefined\n"); 844 return (0); 845 } 846 } 847 /* 848 * allocate space to store result of constr() into 849 */ 850 if ((buffer = malloc(len)) == NULL) { 851 (void) fprintf(stderr, 852 gettext("insufficient memory available")); 853 return (1); 854 } 855 856 assert(confstr((int)scp->value, buffer, len) != 0); 857 858 (void) printf("%s\n", buffer); 859 free(buffer); 860 break; 861 862 case PATHCONF: 863 if (argc != 3) 864 return (usage()); 865 errno = 0; 866 if ((value = pathconf(file, (int)scp->value)) == -1) { 867 if (errno == EINVAL || errno == 0) { 868 /* Does not support the association */ 869 /* DO NOT TRANSLATE */ 870 (void) printf("undefined\n"); 871 return (0); 872 } else { 873 /* Probably problems with the pathname itself */ 874 if (aflag) { 875 (void) printf("%s\n", file); 876 } else { 877 (void) printf("%s", file); 878 } 879 return (1); 880 } 881 } 882 (void) printf("%ld\n", value); 883 break; 884 } 885 return (0); 886 } 887 888 int 889 main(int argc, char **argv) 890 { 891 register struct sctab *scp; 892 int c; 893 int exstat = 0; 894 895 (void) setlocale(LC_ALL, ""); 896 #if !defined(TEXT_DOMAIN) /* Should be defined by cc -D */ 897 #define TEXT_DOMAIN "SYS_TEST" 898 #endif 899 (void) textdomain(TEXT_DOMAIN); 900 901 while ((c = getopt(argc, argv, "av:")) != -1) 902 switch (c) { 903 case 'a': 904 aflag = 1; 905 break; 906 case 'v': 907 /* 908 * Unix98 adds the -v option to allow 909 * programming 'specifications' to be 910 * indicated, for present purposes 911 * the specification isn't really 912 * doing anything of value, so for 913 * the moment getopt just processes the 914 * option value and argv[1] is adjusted. 915 * 916 * At some later date we might want to 917 * do specification processing at this 918 * point. 919 */ 920 break; 921 case '?': 922 return (usage()); 923 } 924 argc -= optind-1; 925 argv += optind-1; 926 927 if ((aflag && argc >= 2) || (!aflag && argc < 2)) 928 return (usage()); 929 if (aflag) { 930 931 #define TabStop 8 932 #define RightColumn 32 933 #define DefPathName "." 934 935 /* 936 * sort the table by the "name" field 937 * so we print it in sorted order 938 */ 939 qsort(&sctab[0], (sizeof (sctab)/sizeof (struct sctab))-1, 940 sizeof (struct sctab), namecmp); 941 942 /* 943 * print all the known symbols and their values 944 */ 945 for (scp = &sctab[0]; scp->name != NULL; ++scp) { 946 int stat; 947 948 /* 949 * create 2 columns: 950 * variable name in the left column, 951 * value in the right column. 952 * The right column starts at a tab stop. 953 */ 954 (void) printf("%s:\t", scp->name); 955 956 c = strlen(scp->name) + 1; 957 c = (c+TabStop) / TabStop, c *= TabStop; 958 for (; c < RightColumn; c += TabStop) 959 (void) putchar('\t'); 960 961 /* 962 * for pathconf() related variables that require 963 * a pathname, use "." 964 */ 965 stat = getconf(scp, scp->type == PATHCONF ? 3 : 2, 966 scp->name, DefPathName); 967 968 exstat |= stat; 969 970 /* 971 * if stat != 0, then an error message was already 972 * printed in getconf(), 973 * so don't need to print one here 974 */ 975 } 976 } else { 977 978 /* 979 * find the name of the specified variable (argv[1]) 980 * and print its value. 981 */ 982 for (scp = &sctab[0]; scp->name != NULL; ++scp) 983 if (strcmp(argv[1], scp->name) == 0) { 984 exstat = getconf(scp, argc, argv[1], argv[2]); 985 break; 986 } 987 988 /* 989 * if at last entry in table, then the user specified 990 * variable is invalid 991 */ 992 if (scp->name == NULL) { 993 errno = EINVAL; 994 (void) fprintf(stderr, gettext(INVAL_ARG), argv[1]); 995 return (1); 996 } 997 } 998 return (exstat); 999 } 1000