2 * Copyright (c) 1996, 1998 The NetBSD Foundation, Inc.
5 * This code is derived from software contributed to The NetBSD Foundation
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 * POSSIBILITY OF SUCH DAMAGE.
40 #include <cygwin/version.h>
45 enum { SYSCONF
, CONFSTR
, PATHCONF
, CONSTANT
} type
;
49 static const struct conf_variable conf_table
[] =
51 /* Symbolic constants from confstr() */
52 { "PATH", CONFSTR
, _CS_PATH
},
53 { "POSIX_V7_ILP32_OFF32_CFLAGS", CONFSTR
, _CS_POSIX_V7_ILP32_OFF32_CFLAGS
},
54 { "POSIX_V7_ILP32_OFF32_LDFLAGS", CONFSTR
, _CS_POSIX_V7_ILP32_OFF32_LDFLAGS
},
55 { "POSIX_V7_ILP32_OFF32_LIBS", CONFSTR
, _CS_POSIX_V7_ILP32_OFF32_LIBS
},
56 { "POSIX_V7_ILP32_OFFBIG_CFLAGS", CONFSTR
, _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS
},
57 { "POSIX_V7_ILP32_OFFBIG_LDFLAGS", CONFSTR
, _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS
},
58 { "POSIX_V7_ILP32_OFFBIG_LIBS", CONFSTR
, _CS_POSIX_V7_ILP32_OFFBIG_LIBS
},
59 { "POSIX_V7_LP64_OFF64_CFLAGS", CONFSTR
, _CS_POSIX_V7_LP64_OFF64_CFLAGS
},
60 { "POSIX_V7_LP64_OFF64_LDFLAGS", CONFSTR
, _CS_POSIX_V7_LP64_OFF64_LDFLAGS
},
61 { "POSIX_V7_LP64_OFF64_LIBS", CONFSTR
, _CS_POSIX_V7_LP64_OFF64_LIBS
},
62 { "POSIX_V7_LPBIG_OFFBIG_CFLAGS", CONFSTR
, _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS
},
63 { "POSIX_V7_LPBIG_OFFBIG_LDFLAGS", CONFSTR
, _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS
},
64 { "POSIX_V7_LPBIG_OFFBIG_LIBS", CONFSTR
, _CS_POSIX_V7_LPBIG_OFFBIG_LIBS
},
65 { "POSIX_V7_THREADS_CFLAGS", CONFSTR
, _CS_POSIX_V7_THREADS_CFLAGS
},
66 { "POSIX_V7_THREADS_LDFLAGS", CONFSTR
, _CS_POSIX_V7_THREADS_LDFLAGS
},
67 { "POSIX_V7_WIDTH_RESTRICTED_ENVS", CONFSTR
, _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS
},
68 { "POSIX_V6_ILP32_OFF32_CFLAGS", CONFSTR
, _CS_POSIX_V6_ILP32_OFF32_CFLAGS
},
69 { "POSIX_V6_ILP32_OFF32_LDFLAGS", CONFSTR
, _CS_POSIX_V6_ILP32_OFF32_LDFLAGS
},
70 { "POSIX_V6_ILP32_OFF32_LIBS", CONFSTR
, _CS_POSIX_V6_ILP32_OFF32_LIBS
},
71 { "POSIX_V6_ILP32_OFFBIG_CFLAGS", CONFSTR
, _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
},
72 { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", CONFSTR
, _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
},
73 { "POSIX_V6_ILP32_OFFBIG_LIBS", CONFSTR
, _CS_POSIX_V6_ILP32_OFFBIG_LIBS
},
74 { "POSIX_V6_LP64_OFF64_CFLAGS", CONFSTR
, _CS_POSIX_V6_LP64_OFF64_CFLAGS
},
75 { "POSIX_V6_LP64_OFF64_LDFLAGS", CONFSTR
, _CS_POSIX_V6_LP64_OFF64_LDFLAGS
},
76 { "POSIX_V6_LP64_OFF64_LIBS", CONFSTR
, _CS_POSIX_V6_LP64_OFF64_LIBS
},
77 { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", CONFSTR
, _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
},
78 { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", CONFSTR
, _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
},
79 { "POSIX_V6_LPBIG_OFFBIG_LIBS", CONFSTR
, _CS_POSIX_V6_LPBIG_OFFBIG_LIBS
},
80 { "POSIX_V6_WIDTH_RESTRICTED_ENVS", CONFSTR
, _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS
},
81 { "XBS5_ILP32_OFF32_CFLAGS", CONFSTR
, _CS_XBS5_ILP32_OFF32_CFLAGS
},
82 { "XBS5_ILP32_OFF32_LDFLAGS", CONFSTR
, _CS_XBS5_ILP32_OFF32_LDFLAGS
},
83 { "XBS5_ILP32_OFF32_LIBS", CONFSTR
, _CS_XBS5_ILP32_OFF32_LIBS
},
84 { "XBS5_ILP32_OFF32_LINTFLAGS", CONFSTR
, _CS_XBS5_ILP32_OFF32_LINTFLAGS
},
85 { "XBS5_ILP32_OFFBIG_CFLAGS", CONFSTR
, _CS_XBS5_ILP32_OFFBIG_CFLAGS
},
86 { "XBS5_ILP32_OFFBIG_LDFLAGS", CONFSTR
, _CS_XBS5_ILP32_OFFBIG_LDFLAGS
},
87 { "XBS5_ILP32_OFFBIG_LIBS", CONFSTR
, _CS_XBS5_ILP32_OFFBIG_LIBS
},
88 { "XBS5_ILP32_OFFBIG_LINTFLAGS", CONFSTR
, _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
},
89 { "XBS5_LP64_OFF64_CFLAGS", CONFSTR
, _CS_XBS5_LP64_OFF64_CFLAGS
},
90 { "XBS5_LP64_OFF64_LDFLAGS", CONFSTR
, _CS_XBS5_LP64_OFF64_LDFLAGS
},
91 { "XBS5_LP64_OFF64_LIBS", CONFSTR
, _CS_XBS5_LP64_OFF64_LIBS
},
92 { "XBS5_LP64_OFF64_LINTFLAGS", CONFSTR
, _CS_XBS5_LP64_OFF64_LINTFLAGS
},
93 { "XBS5_LPBIG_OFFBIG_CFLAGS", CONFSTR
, _CS_XBS5_LPBIG_OFFBIG_CFLAGS
},
94 { "XBS5_LPBIG_OFFBIG_LDFLAGS", CONFSTR
, _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
},
95 { "XBS5_LPBIG_OFFBIG_LIBS", CONFSTR
, _CS_XBS5_LPBIG_OFFBIG_LIBS
},
96 { "XBS5_LPBIG_OFFBIG_LINTFLAGS", CONFSTR
, _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
},
97 { "XBS5_WIDTH_RESTRICTED_ENVS", CONFSTR
, _CS_XBS5_WIDTH_RESTRICTED_ENVS
},
98 { "V7_ENV", CONFSTR
, _CS_V7_ENV
},
99 { "V6_ENV", CONFSTR
, _CS_V6_ENV
},
100 { "LFS_CFLAGS", CONFSTR
, _CS_LFS_CFLAGS
},
101 { "LFS_LDFLAGS", CONFSTR
, _CS_LFS_LDFLAGS
},
102 { "LFS_LIBS", CONFSTR
, _CS_LFS_LIBS
},
103 { "LFS_LINTFLAGS", CONFSTR
, _CS_LFS_LINTFLAGS
},
105 /* Symbolic constants from <limits.h> */
106 { "_POSIX_AIO_LISTIO_MAX", CONSTANT
, _POSIX_AIO_LISTIO_MAX
},
107 { "_POSIX_AIO_MAX", CONSTANT
, _POSIX_AIO_MAX
},
108 { "_POSIX_ARG_MAX", CONSTANT
, _POSIX_ARG_MAX
},
109 { "_POSIX_CHILD_MAX", CONSTANT
, _POSIX_CHILD_MAX
},
110 { "_POSIX_CLOCKRES_MIN", CONSTANT
, _POSIX_CLOCKRES_MIN
},
111 { "_POSIX_DELAYTIMER_MAX", CONSTANT
, _POSIX_DELAYTIMER_MAX
},
112 { "_POSIX_HOST_NAME_MAX", CONSTANT
, _POSIX_HOST_NAME_MAX
},
113 { "_POSIX_LINK_MAX", CONSTANT
, _POSIX_LINK_MAX
},
114 { "_POSIX_LOGIN_NAME_MAX", CONSTANT
, _POSIX_LOGIN_NAME_MAX
},
115 { "_POSIX_MAX_CANON", CONSTANT
, _POSIX_MAX_CANON
},
116 { "_POSIX_MAX_INPUT", CONSTANT
, _POSIX_MAX_INPUT
},
117 { "_POSIX_MQ_OPEN_MAX", CONSTANT
, _POSIX_MQ_OPEN_MAX
},
118 { "_POSIX_MQ_PRIO_MAX", CONSTANT
, _POSIX_MQ_PRIO_MAX
},
119 { "_POSIX_NAME_MAX", CONSTANT
, _POSIX_NAME_MAX
},
120 { "_POSIX_NGROUPS_MAX", CONSTANT
, _POSIX_NGROUPS_MAX
},
121 { "_POSIX_OPEN_MAX", CONSTANT
, _POSIX_OPEN_MAX
},
122 { "_POSIX_PATH_MAX", CONSTANT
, _POSIX_PATH_MAX
},
123 { "_POSIX_PIPE_BUF", CONSTANT
, _POSIX_PIPE_BUF
},
124 { "_POSIX_RE_DUP_MAX", CONSTANT
, _POSIX_RE_DUP_MAX
},
125 { "_POSIX_RTSIG_MAX", CONSTANT
, _POSIX_RTSIG_MAX
},
126 { "_POSIX_SEM_NSEMS_MAX", CONSTANT
, _POSIX_SEM_NSEMS_MAX
},
127 { "_POSIX_SEM_VALUE_MAX", CONSTANT
, _POSIX_SEM_VALUE_MAX
},
128 { "_POSIX_SIGQUEUE_MAX", CONSTANT
, _POSIX_SIGQUEUE_MAX
},
129 { "_POSIX_SSIZE_MAX", CONSTANT
, _POSIX_SSIZE_MAX
},
130 { "_POSIX_SS_REPL_MAX", CONSTANT
, _POSIX_SS_REPL_MAX
},
131 { "_POSIX_STREAM_MAX", CONSTANT
, _POSIX_STREAM_MAX
},
132 { "_POSIX_SYMLINK_MAX", CONSTANT
, _POSIX_SYMLINK_MAX
},
133 { "_POSIX_SYMLOOP_MAX", CONSTANT
, _POSIX_SYMLOOP_MAX
},
134 { "_POSIX_THREAD_DESTRUCTOR_ITERATIONS", CONSTANT
, _POSIX_THREAD_DESTRUCTOR_ITERATIONS
},
135 { "_POSIX_THREAD_KEYS_MAX", CONSTANT
, _POSIX_THREAD_KEYS_MAX
},
136 { "_POSIX_THREAD_THREADS_MAX", CONSTANT
, _POSIX_THREAD_THREADS_MAX
},
137 { "_POSIX_TIMER_MAX", CONSTANT
, _POSIX_TIMER_MAX
},
138 { "_POSIX_TRACE_EVENT_NAME_MAX", CONSTANT
, _POSIX_TRACE_EVENT_NAME_MAX
},
139 { "_POSIX_TRACE_NAME_MAX", CONSTANT
, _POSIX_TRACE_NAME_MAX
},
140 { "_POSIX_TRACE_SYS_MAX", CONSTANT
, _POSIX_TRACE_SYS_MAX
},
141 { "_POSIX_TRACE_USER_EVENT_MAX", CONSTANT
, _POSIX_TRACE_USER_EVENT_MAX
},
142 { "_POSIX_TTY_NAME_MAX", CONSTANT
, _POSIX_TTY_NAME_MAX
},
143 { "_POSIX_TZNAME_MAX", CONSTANT
, _POSIX_TZNAME_MAX
},
144 { "_POSIX2_BC_BASE_MAX", CONSTANT
, _POSIX2_BC_BASE_MAX
},
145 { "_POSIX2_BC_DIM_MAX", CONSTANT
, _POSIX2_BC_DIM_MAX
},
146 { "_POSIX2_BC_SCALE_MAX", CONSTANT
, _POSIX2_BC_SCALE_MAX
},
147 { "_POSIX2_BC_STRING_MAX", CONSTANT
, _POSIX2_BC_STRING_MAX
},
148 { "_POSIX2_COLL_WEIGHTS_MAX", CONSTANT
, _POSIX2_COLL_WEIGHTS_MAX
},
149 { "_POSIX2_EXPR_NEXT_MAX", CONSTANT
, _POSIX2_EXPR_NEST_MAX
},
150 { "_POSIX2_LINE_MAX", CONSTANT
, _POSIX2_LINE_MAX
},
151 { "_POSIX2_RE_DUP_MAX", CONSTANT
, _POSIX2_RE_DUP_MAX
},
152 { "_XOPEN_IOV_MAX", CONSTANT
, _XOPEN_IOV_MAX
},
153 { "_XOPEN_NAME_MAX", CONSTANT
, _XOPEN_NAME_MAX
},
154 { "_XOPEN_PATH_MAX", CONSTANT
, _XOPEN_PATH_MAX
},
155 { "CHAR_BIT", CONSTANT
, CHAR_BIT
},
156 { "CHAR_MAX", CONSTANT
, CHAR_MAX
},
157 { "CHAR_MIN", CONSTANT
, CHAR_MIN
},
158 { "INT_MAX", CONSTANT
, INT_MAX
},
159 { "INT_MIN", CONSTANT
, INT_MIN
},
160 { "LLONG_MIN", CONSTANT
, LLONG_MIN
},
161 { "LLONG_MAX", CONSTANT
, LLONG_MAX
},
162 { "LONG_BIT", CONSTANT
, LONG_BIT
},
163 { "LONG_MAX", CONSTANT
, LONG_MAX
},
164 { "LONG_MIN", CONSTANT
, LONG_MIN
},
165 { "MB_LEN_MAX", CONSTANT
, MB_LEN_MAX
},
166 { "SCHAR_MAX", CONSTANT
, SCHAR_MAX
},
167 { "SCHAR_MIN", CONSTANT
, SCHAR_MIN
},
168 { "SHRT_MAX", CONSTANT
, SHRT_MAX
},
169 { "SHRT_MIN", CONSTANT
, SHRT_MIN
},
170 { "SSIZE_MAX", CONSTANT
, SSIZE_MAX
},
171 { "UCHAR_MAX", CONSTANT
, UCHAR_MAX
},
172 { "UINT_MAX", CONSTANT
, UINT_MAX
},
173 { "ULLONG_MAX", CONSTANT
, ULLONG_MAX
},
174 { "ULONG_MAX", CONSTANT
, ULONG_MAX
},
175 { "USHRT_MAX", CONSTANT
, USHRT_MAX
},
176 { "WORD_BIT", CONSTANT
, WORD_BIT
},
177 { "NL_ARGMAX", CONSTANT
, NL_ARGMAX
},
178 { "ML_LANGMAX", CONSTANT
, NL_LANGMAX
},
179 { "NL_MSGMAX", CONSTANT
, NL_MSGMAX
},
180 { "NL_SETMAX", CONSTANT
, NL_SETMAX
},
181 { "NL_TEXTMAX", CONSTANT
, NL_TEXTMAX
},
182 { "NZERO", CONSTANT
, NZERO
},
183 /* required by POSIX.1-2008 for compatibility with earlier versions */
184 { "POSIX2_BC_BASE_MAX", CONSTANT
, _POSIX2_BC_BASE_MAX
},
185 { "POSIX2_BC_DIM_MAX", CONSTANT
, _POSIX2_BC_DIM_MAX
},
186 { "POSIX2_BC_SCALE_MAX", CONSTANT
, _POSIX2_BC_SCALE_MAX
},
187 { "POSIX2_BC_STRING_MAX", CONSTANT
, _POSIX2_BC_STRING_MAX
},
188 { "POSIX2_COLL_WEIGHTS_MAX", CONSTANT
, _POSIX2_COLL_WEIGHTS_MAX
},
189 { "POSIX2_EXPR_NEXT_MAX", CONSTANT
, _POSIX2_EXPR_NEST_MAX
},
190 { "POSIX2_LINE_MAX", CONSTANT
, _POSIX2_LINE_MAX
},
191 { "POSIX2_RE_DUP_MAX", CONSTANT
, _POSIX2_RE_DUP_MAX
},
193 /* Variables from fpathconf() */
194 { "CASE_INSENSITIVE", PATHCONF
, _PC_CASE_INSENSITIVE
},
195 { "FILESIZEBITS", PATHCONF
, _PC_FILESIZEBITS
},
196 { "LINK_MAX", PATHCONF
, _PC_LINK_MAX
},
197 { "MAX_CANON", PATHCONF
, _PC_MAX_CANON
},
198 { "MAX_INPUT", PATHCONF
, _PC_MAX_INPUT
},
199 { "NAME_MAX", PATHCONF
, _PC_NAME_MAX
},
200 { "PATH_MAX", PATHCONF
, _PC_PATH_MAX
},
201 { "PIPE_BUF", PATHCONF
, _PC_PIPE_BUF
},
202 { "POSIX2_SYMLINKS", PATHCONF
, _PC_2_SYMLINKS
},
203 { "POSIX_ALLOC_SIZE_MIN", PATHCONF
, _PC_ALLOC_SIZE_MIN
},
204 { "POSIX_PERMISSIONS", PATHCONF
, _PC_POSIX_PERMISSIONS
},
205 { "POSIX_REC_INCR_XFER_SIZE", PATHCONF
, _PC_REC_INCR_XFER_SIZE
},
206 { "POSIX_REC_MAX_XFER_SIZE", PATHCONF
, _PC_REC_MAX_XFER_SIZE
},
207 { "POSIX_REC_MIN_XFER_SIZE", PATHCONF
, _PC_REC_MIN_XFER_SIZE
},
208 { "POSIX_REC_XFER_ALIGN", PATHCONF
, _PC_REC_XFER_ALIGN
},
209 { "POSIX_SECURITY", PATHCONF
, _PC_POSIX_SECURITY
},
210 { "SYMLINK_MAX", PATHCONF
, _PC_SYMLINK_MAX
},
211 { "_POSIX_CHOWN_RESTRICTED", PATHCONF
, _PC_CHOWN_RESTRICTED
},
212 { "_POSIX_NO_TRUNC", PATHCONF
, _PC_NO_TRUNC
},
213 { "_POSIX_VDISABLE", PATHCONF
, _PC_VDISABLE
},
214 { "_POSIX_ASYNC_IO", PATHCONF
, _PC_ASYNC_IO
},
215 { "_POSIX_PRIO_IO", PATHCONF
, _PC_PRIO_IO
},
216 { "_POSIX_SYNC_IO", PATHCONF
, _PC_SYNC_IO
},
217 { "_POSIX_TIMESTAMP_RESOLUTION", PATHCONF
, _PC_TIMESTAMP_RESOLUTION
},
219 /* Variables from sysconf() */
220 { "AIO_LISTIO_MAX", SYSCONF
, _SC_AIO_LISTIO_MAX
},
221 { "AIO_MAX", SYSCONF
, _SC_AIO_MAX
},
222 { "AIO_PRIO_DELTA_MAX", SYSCONF
, _SC_AIO_PRIO_DELTA_MAX
},
223 { "ARG_MAX", SYSCONF
, _SC_ARG_MAX
},
224 { "ATEXIT_MAX", SYSCONF
, _SC_ATEXIT_MAX
},
225 { "BC_BASE_MAX", SYSCONF
, _SC_BC_BASE_MAX
},
226 { "BC_DIM_MAX", SYSCONF
, _SC_BC_DIM_MAX
},
227 { "BC_SCALE_MAX", SYSCONF
, _SC_BC_SCALE_MAX
},
228 { "BC_STRING_MAX", SYSCONF
, _SC_BC_STRING_MAX
},
229 { "CHILD_MAX", SYSCONF
, _SC_CHILD_MAX
},
230 { "CLK_TCK", SYSCONF
, _SC_CLK_TCK
},
231 { "COLL_WEIGHTS_MAX", SYSCONF
, _SC_COLL_WEIGHTS_MAX
},
232 { "DELAYTIMER_MAX", SYSCONF
, _SC_DELAYTIMER_MAX
},
233 { "EXPR_NEST_MAX", SYSCONF
, _SC_EXPR_NEST_MAX
},
234 { "GETGR_R_SIZE_MAX", SYSCONF
, _SC_GETGR_R_SIZE_MAX
},
235 { "GETPW_R_SIZE_MAX", SYSCONF
, _SC_GETPW_R_SIZE_MAX
},
236 { "HOST_NAME_MAX", SYSCONF
, _SC_HOST_NAME_MAX
},
237 { "IOV_MAX", SYSCONF
, _SC_IOV_MAX
},
238 { "LINE_MAX", SYSCONF
, _SC_LINE_MAX
},
239 { "LOGIN_NAME_MAX", SYSCONF
, _SC_LOGIN_NAME_MAX
},
240 { "MQ_OPEN_MAX", SYSCONF
, _SC_MQ_OPEN_MAX
},
241 { "MQ_PRIO_MAX", SYSCONF
, _SC_MQ_PRIO_MAX
},
242 { "NGROUPS_MAX", SYSCONF
, _SC_NGROUPS_MAX
},
243 { "OPEN_MAX", SYSCONF
, _SC_OPEN_MAX
},
244 { "PAGE_SIZE", SYSCONF
, _SC_PAGESIZE
},
245 { "PAGESIZE", SYSCONF
, _SC_PAGESIZE
},
246 { "PTHREAD_DESTRUCTOR_ITERATIONS", SYSCONF
, _SC_THREAD_DESTRUCTOR_ITERATIONS
},
247 { "PTHREAD_KEYS_MAX", SYSCONF
, _SC_THREAD_KEYS_MAX
},
248 { "PTHREAD_STACK_MIN", SYSCONF
, _SC_THREAD_STACK_MIN
},
249 { "PTHREAD_THREADS_MAX", SYSCONF
, _SC_THREAD_THREADS_MAX
},
250 { "RE_DUP_MAX", SYSCONF
, _SC_RE_DUP_MAX
},
251 { "RTSIG_MAX", SYSCONF
, _SC_RTSIG_MAX
},
252 { "SEM_NSEMS_MAX", SYSCONF
, _SC_SEM_NSEMS_MAX
},
253 { "SEM_VALUE_MAX", SYSCONF
, _SC_SEM_VALUE_MAX
},
254 { "SIGQUEUE_MAX", SYSCONF
, _SC_SIGQUEUE_MAX
},
255 { "STREAM_MAX", SYSCONF
, _SC_STREAM_MAX
},
256 { "SYMLOOP_MAX", SYSCONF
, _SC_SYMLOOP_MAX
},
257 { "TIMER_MAX", SYSCONF
, _SC_TIMER_MAX
},
258 { "TTY_NAME_MAX", SYSCONF
, _SC_TTY_NAME_MAX
},
259 { "TZNAME_MAX", SYSCONF
, _SC_TZNAME_MAX
},
260 { "_POSIX_ADVISORY_INFO", SYSCONF
, _SC_ADVISORY_INFO
},
261 { "_POSIX_ASYNCHRONOUS_IO", SYSCONF
, _SC_ASYNCHRONOUS_IO
},
262 { "_POSIX_BARRIERS", SYSCONF
, _SC_BARRIERS
},
263 { "_POSIX_CLOCK_SELECTION", SYSCONF
, _SC_CLOCK_SELECTION
},
264 { "_POSIX_CPUTIME", SYSCONF
, _SC_CPUTIME
},
265 { "_POSIX_FSYNC", SYSCONF
, _SC_FSYNC
},
266 { "_POSIX_IPV6", SYSCONF
, _SC_IPV6
},
267 { "_POSIX_JOB_CONTROL", SYSCONF
, _SC_JOB_CONTROL
},
268 { "_POSIX_MAPPED_FILES", SYSCONF
, _SC_MAPPED_FILES
},
269 { "_POSIX_MEMLOCK", SYSCONF
, _SC_MEMLOCK
},
270 { "_POSIX_MEMLOCK_RANGE", SYSCONF
, _SC_MEMLOCK_RANGE
},
271 { "_POSIX_MEMORY_PROTECTION", SYSCONF
, _SC_MEMORY_PROTECTION
},
272 { "_POSIX_MESSAGE_PASSING", SYSCONF
, _SC_MESSAGE_PASSING
},
273 { "_POSIX_MONOTONIC_CLOCK", SYSCONF
, _SC_MONOTONIC_CLOCK
},
274 { "_POSIX_PRIORITIZED_IO", SYSCONF
, _SC_PRIORITIZED_IO
},
275 { "_POSIX_PRIORITY_SCHEDULING", SYSCONF
, _SC_PRIORITY_SCHEDULING
},
276 { "_POSIX_RAW_SOCKETS", SYSCONF
, _SC_RAW_SOCKETS
},
277 { "_POSIX_READER_WRITER_LOCKS", SYSCONF
, _SC_READER_WRITER_LOCKS
},
278 { "_POSIX_REALTIME_SIGNALS", SYSCONF
, _SC_REALTIME_SIGNALS
},
279 { "_POSIX_REGEXP", SYSCONF
, _SC_REGEXP
},
280 { "_POSIX_SAVED_IDS", SYSCONF
, _SC_SAVED_IDS
},
281 { "_POSIX_SEMAPHORES", SYSCONF
, _SC_SEMAPHORES
},
282 { "_POSIX_SHARED_MEMORY_OBJECTS", SYSCONF
, _SC_SHARED_MEMORY_OBJECTS
},
283 { "_POSIX_SHELL", SYSCONF
, _SC_SHELL
},
284 { "_POSIX_SPAWN", SYSCONF
, _SC_SPAWN
},
285 { "_POSIX_SPIN_LOCKS", SYSCONF
, _SC_SPIN_LOCKS
},
286 { "_POSIX_SPORADIC_SERVER", SYSCONF
, _SC_SPORADIC_SERVER
},
287 { "_POSIX_SS_REPL_MAX", SYSCONF
, _SC_SS_REPL_MAX
},
288 { "_POSIX_SYNCHRONIZED_IO", SYSCONF
, _SC_SYNCHRONIZED_IO
},
289 { "_POSIX_THREAD_ATTR_STACKADDR", SYSCONF
, _SC_THREAD_ATTR_STACKADDR
},
290 { "_POSIX_THREAD_ATTR_STACKSIZE", SYSCONF
, _SC_THREAD_ATTR_STACKSIZE
},
291 { "_POSIX_THREAD_CPUTIME", SYSCONF
, _SC_THREAD_CPUTIME
},
292 { "_POSIX_THREAD_PRIO_INHERIT", SYSCONF
, _SC_THREAD_PRIO_INHERIT
},
293 { "_POSIX_THREAD_PRIO_PROTECT", SYSCONF
, _SC_THREAD_PRIO_PROTECT
},
294 { "_POSIX_THREAD_PRIORITY_SCHEDULING",SYSCONF
, _SC_THREAD_PRIORITY_SCHEDULING
},
295 { "_POSIX_THREAD_PROCESS_SHARED", SYSCONF
, _SC_THREAD_PROCESS_SHARED
},
296 { "_POSIX_THREAD_ROBUST_PRIO_INHERIT",SYSCONF
, _SC_THREAD_ROBUST_PRIO_INHERIT
},
297 { "_POSIX_THREAD_ROBUST_PRIO_PROTECT",SYSCONF
, _SC_THREAD_ROBUST_PRIO_PROTECT
},
298 { "_POSIX_THREAD_SAFE_FUNCTIONS", SYSCONF
, _SC_THREAD_SAFE_FUNCTIONS
},
299 { "_POSIX_THREAD_SPORADIC_SERVER", SYSCONF
, _SC_THREAD_SPORADIC_SERVER
},
300 { "_POSIX_THREADS", SYSCONF
, _SC_THREADS
},
301 { "_POSIX_TIMEOUTS", SYSCONF
, _SC_TIMEOUTS
},
302 { "_POSIX_TIMERS", SYSCONF
, _SC_TIMERS
},
303 { "_POSIX_TRACE", SYSCONF
, _SC_TRACE
},
304 { "_POSIX_TRACE_EVENT_FILTER", SYSCONF
, _SC_TRACE_EVENT_FILTER
},
305 { "_POSIX_TRACE_EVENT_NAME_MAX", SYSCONF
, _SC_TRACE_EVENT_NAME_MAX
},
306 { "_POSIX_TRACE_INHERIT", SYSCONF
, _SC_TRACE_INHERIT
},
307 { "_POSIX_TRACE_LOG", SYSCONF
, _SC_TRACE_LOG
},
308 { "_POSIX_TRACE_NAME_MAX", SYSCONF
, _SC_TRACE_NAME_MAX
},
309 { "_POSIX_TRACE_SYS_MAX", SYSCONF
, _SC_TRACE_SYS_MAX
},
310 { "_POSIX_TRACE_USER_EVENT_MAX", SYSCONF
, _SC_TRACE_USER_EVENT_MAX
},
311 { "_POSIX_TYPED_MEMORY_OBJECTS", SYSCONF
, _SC_TYPED_MEMORY_OBJECTS
},
312 { "_POSIX_VERSION", SYSCONF
, _SC_VERSION
},
313 { "_POSIX_V7_ILP32_OFF32", SYSCONF
, _SC_V7_ILP32_OFF32
},
314 { "_POSIX_V7_ILP32_OFFBIG", SYSCONF
, _SC_V7_ILP32_OFFBIG
},
315 { "_POSIX_V7_LP64_OFF64", SYSCONF
, _SC_V7_LP64_OFF64
},
316 { "_POSIX_V7_LPBIG_OFFBIG", SYSCONF
, _SC_V7_LPBIG_OFFBIG
},
317 { "_POSIX_V6_ILP32_OFF32", SYSCONF
, _SC_V6_ILP32_OFF32
},
318 { "_POSIX_V6_ILP32_OFFBIG", SYSCONF
, _SC_V6_ILP32_OFFBIG
},
319 { "_POSIX_V6_LP64_OFF64", SYSCONF
, _SC_V6_LP64_OFF64
},
320 { "_POSIX_V6_LPBIG_OFFBIG", SYSCONF
, _SC_V6_LPBIG_OFFBIG
},
321 { "_POSIX2_C_BIND", SYSCONF
, _SC_2_C_BIND
},
322 { "_POSIX2_C_DEV", SYSCONF
, _SC_2_C_DEV
},
323 { "_POSIX2_CHAR_TERM", SYSCONF
, _SC_2_CHAR_TERM
},
324 { "_POSIX2_FORT_DEV", SYSCONF
, _SC_2_FORT_DEV
},
325 { "_POSIX2_FORT_RUN", SYSCONF
, _SC_2_FORT_RUN
},
326 { "_POSIX2_LOCALEDEF", SYSCONF
, _SC_2_LOCALEDEF
},
327 { "_POSIX2_PBS", SYSCONF
, _SC_2_PBS
},
328 { "_POSIX2_PBS_ACCOUNTING", SYSCONF
, _SC_2_PBS_ACCOUNTING
},
329 { "_POSIX2_PBS_CHECKPOINT", SYSCONF
, _SC_2_PBS_CHECKPOINT
},
330 { "_POSIX2_PBS_LOCATE", SYSCONF
, _SC_2_PBS_LOCATE
},
331 { "_POSIX2_PBS_MESSAGE", SYSCONF
, _SC_2_PBS_MESSAGE
},
332 { "_POSIX2_PBS_TRACK", SYSCONF
, _SC_2_PBS_TRACK
},
333 { "_POSIX2_SW_DEV", SYSCONF
, _SC_2_SW_DEV
},
334 { "_POSIX2_UPE", SYSCONF
, _SC_2_UPE
},
335 { "_POSIX2_VERSION", SYSCONF
, _SC_2_VERSION
},
336 { "_XBS5_ILP32_OFF32", SYSCONF
, _SC_XBS5_ILP32_OFF32
},
337 { "_XBS5_ILP32_OFFBIG", SYSCONF
, _SC_XBS5_ILP32_OFFBIG
},
338 { "_XBS5_LP64_OFF64", SYSCONF
, _SC_XBS5_LP64_OFF64
},
339 { "_XBS5_LPBIG_OFFBIG", SYSCONF
, _SC_XBS5_LPBIG_OFFBIG
},
340 { "_XOPEN_CRYPT", SYSCONF
, _SC_XOPEN_CRYPT
},
341 { "_XOPEN_ENH_I18N", SYSCONF
, _SC_XOPEN_ENH_I18N
},
342 { "_XOPEN_LEGACY", SYSCONF
, _SC_XOPEN_LEGACY
},
343 { "_XOPEN_REALTIME", SYSCONF
, _SC_XOPEN_REALTIME
},
344 { "_XOPEN_REALTIME_THREADS", SYSCONF
, _SC_XOPEN_REALTIME_THREADS
},
345 { "_XOPEN_SHM", SYSCONF
, _SC_XOPEN_SHM
},
346 { "_XOPEN_STREAMS", SYSCONF
, _SC_XOPEN_STREAMS
},
347 { "_XOPEN_UNIX", SYSCONF
, _SC_XOPEN_UNIX
},
348 { "_XOPEN_UUCP", SYSCONF
, _SC_XOPEN_UUCP
},
349 { "_XOPEN_VERSION", SYSCONF
, _SC_XOPEN_VERSION
},
350 /* for compatibility with earlier versions */
351 { "POSIX2_C_BIND", SYSCONF
, _SC_2_C_BIND
},
352 { "POSIX2_C_DEV", SYSCONF
, _SC_2_C_DEV
},
353 { "POSIX2_CHAR_TERM", SYSCONF
, _SC_2_CHAR_TERM
},
354 { "POSIX2_FORT_DEV", SYSCONF
, _SC_2_FORT_DEV
},
355 { "POSIX2_FORT_RUN", SYSCONF
, _SC_2_FORT_RUN
},
356 { "POSIX2_LOCALEDEF", SYSCONF
, _SC_2_LOCALEDEF
},
357 { "POSIX2_PBS", SYSCONF
, _SC_2_PBS
},
358 { "POSIX2_PBS_ACCOUNTING", SYSCONF
, _SC_2_PBS_ACCOUNTING
},
359 { "POSIX2_PBS_CHECKPOINT", SYSCONF
, _SC_2_PBS_CHECKPOINT
},
360 { "POSIX2_PBS_LOCATE", SYSCONF
, _SC_2_PBS_LOCATE
},
361 { "POSIX2_PBS_MESSAGE", SYSCONF
, _SC_2_PBS_MESSAGE
},
362 { "POSIX2_PBS_TRACK", SYSCONF
, _SC_2_PBS_TRACK
},
363 { "POSIX2_SW_DEV", SYSCONF
, _SC_2_SW_DEV
},
364 { "POSIX2_UPE", SYSCONF
, _SC_2_UPE
},
365 { "POSIX2_VERSION", SYSCONF
, _SC_2_VERSION
},
366 /* implementation-specific values */
367 { "LEVEL1_ICACHE_SIZE", SYSCONF
, _SC_LEVEL1_ICACHE_SIZE
},
368 { "LEVEL1_ICACHE_ASSOC", SYSCONF
, _SC_LEVEL1_ICACHE_ASSOC
},
369 { "LEVEL1_ICACHE_LINESIZE", SYSCONF
, _SC_LEVEL1_ICACHE_LINESIZE
},
370 { "LEVEL1_DCACHE_SIZE", SYSCONF
, _SC_LEVEL1_DCACHE_SIZE
},
371 { "LEVEL1_DCACHE_ASSOC", SYSCONF
, _SC_LEVEL1_DCACHE_ASSOC
},
372 { "LEVEL1_DCACHE_LINESIZE", SYSCONF
, _SC_LEVEL1_DCACHE_LINESIZE
},
373 { "LEVEL2_CACHE_SIZE", SYSCONF
, _SC_LEVEL2_CACHE_SIZE
},
374 { "LEVEL2_CACHE_ASSOC", SYSCONF
, _SC_LEVEL2_CACHE_ASSOC
},
375 { "LEVEL2_CACHE_LINESIZE", SYSCONF
, _SC_LEVEL2_CACHE_LINESIZE
},
376 { "LEVEL3_CACHE_SIZE", SYSCONF
, _SC_LEVEL3_CACHE_SIZE
},
377 { "LEVEL3_CACHE_ASSOC", SYSCONF
, _SC_LEVEL3_CACHE_ASSOC
},
378 { "LEVEL3_CACHE_LINESIZE", SYSCONF
, _SC_LEVEL3_CACHE_LINESIZE
},
379 { "LEVEL4_CACHE_SIZE", SYSCONF
, _SC_LEVEL4_CACHE_SIZE
},
380 { "LEVEL4_CACHE_ASSOC", SYSCONF
, _SC_LEVEL4_CACHE_ASSOC
},
381 { "LEVEL4_CACHE_LINESIZE", SYSCONF
, _SC_LEVEL4_CACHE_LINESIZE
},
382 { "_NPROCESSORS_CONF", SYSCONF
, _SC_NPROCESSORS_CONF
},
383 { "_NPROCESSORS_ONLN", SYSCONF
, _SC_NPROCESSORS_ONLN
},
384 { "_AVPHYS_PAGES", SYSCONF
, _SC_AVPHYS_PAGES
},
385 { "_PHYS_PAGES", SYSCONF
, _SC_PHYS_PAGES
},
387 { NULL
, CONSTANT
, 0L }
390 struct spec_variable
{
403 static const struct spec_variable spec_table
[] = {
404 { "POSIX_V7_ILP32_OFF32", 0 },
405 { "POSIX_V7_ILP32_OFFBIG", ILP32
},
406 { "POSIX_V7_LP64_OFF64", LP64
},
407 { "POSIX_V7_LPBIG_OFFBIG", LP64
},
408 { "POSIX_V6_ILP32_OFF32", 0 },
409 { "POSIX_V6_ILP32_OFFBIG", ILP32
},
410 { "POSIX_V6_LP64_OFF64", LP64
},
411 { "POSIX_V6_LPBIG_OFFBIG", LP64
},
412 { "XBS5_ILP32_OFF32", 0 },
413 { "XBS5_ILP32_OFFBIG", ILP32
},
414 { "XBS5_LP64_OFF64", LP64
},
415 { "XBS5_LPBIG_OFFBIG", LP64
},
422 static int a_flag
= 0; /* list all variables */
423 static int v_flag
= 0; /* follow given specification */
426 print_longvar (const char *name
, long long value
)
429 printf ("%-35s %lld\n", name
, value
);
431 printf ("%lld\n", value
);
435 print_strvar (const char *name
, const char *sval
)
438 printf ("%-35s %s\n", name
, sval
);
440 printf ("%s\n", sval
);
444 printvar (const struct conf_variable
*cp
, const char *pathname
)
453 print_longvar (cp
->name
, cp
->value
);
458 slen
= confstr ((int) cp
->value
, NULL
, 0);
462 print_strvar (cp
->name
, "undefined");
466 if ((sval
= malloc (slen
)) == NULL
)
467 error (EXIT_FAILURE
, 0, "Can't allocate %zu bytes", slen
);
470 if (confstr ((int) cp
->value
, sval
, slen
) == 0)
471 print_strvar (cp
->name
, "undefined");
473 print_strvar (cp
->name
, sval
);
480 if ((val
= sysconf ((int) cp
->value
)) == -1)
482 if (a_flag
&& errno
!= 0)
483 return; /* Just skip invalid variables */
484 print_strvar (cp
->name
, "undefined");
487 print_longvar (cp
->name
, val
);
492 if ((val
= pathconf (pathname
, (int) cp
->value
)) == -1)
494 if (a_flag
&& errno
!= 0)
495 return; /* Just skip invalid variables */
496 print_strvar (cp
->name
, "undefined");
499 print_longvar (cp
->name
, val
);
504 static void __attribute__ ((__noreturn__
))
507 fprintf (ret
? stderr
: stdout
,
508 "Usage: %1$s [-v specification] variable_name [pathname]\n"
509 " %1$s -a [pathname]\n"
511 "Get configuration values\n"
513 " -v specification Indicate specific version for which configuration\n"
514 " values shall be fetched.\n"
515 " -a, --all Print all known configuration values\n"
519 " -h, --help This text\n"
520 " -V, --version Print program version and exit\n"
521 "\n", program_invocation_short_name
);
528 printf ("getconf (cygwin) %d.%d.%d\n"
529 "Get configuration values\n"
530 "Copyright (C) 2011 - %s Cygwin Authors\n"
531 "This is free software; see the source for copying conditions. There is NO\n"
532 "warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n",
533 CYGWIN_VERSION_DLL_MAJOR
/ 1000,
534 CYGWIN_VERSION_DLL_MAJOR
% 1000,
535 CYGWIN_VERSION_DLL_MINOR
,
536 strrchr (__DATE__
, ' ') + 1);
539 struct option longopts
[] = {
540 {"all", no_argument
, NULL
, 'a'},
541 {"help", no_argument
, NULL
, 'h'},
542 {"version", no_argument
, NULL
, 'V'},
543 {0, no_argument
, NULL
, 0}
545 const char *opts
= "ahvV";
548 main (int argc
, char **argv
)
551 const struct conf_variable
*cp
;
552 const struct spec_variable
*sp
;
553 const char *varname
, *pathname
;
556 setlocale (LC_ALL
, "");
558 while ((ch
= getopt_long (argc
, argv
, opts
, longopts
, NULL
)) != -1)
574 fprintf (stderr
, "Try `%s --help' for more information.\n",
575 program_invocation_short_name
);
584 if (a_flag
|| argc
< 2)
586 for (sp
= spec_table
; sp
->name
!= NULL
; sp
++)
588 if (strcmp (argv
[0], sp
->name
) == 0)
591 error (EXIT_FAILURE
, 0, "unsupported specification \"%s\"", argv
[0]);
595 if (sp
->name
== NULL
)
596 error (EXIT_FAILURE
, 0, "unknown specification \"%s\"", argv
[0]);
614 pathname
= argv
[0]; /* may be NULL */
617 for (cp
= conf_table
; cp
->name
!= NULL
; cp
++)
619 if (a_flag
|| strcmp (varname
, cp
->name
) == 0)
621 /* LINTED weird expression */
622 if ((cp
->type
== PATHCONF
) == (pathname
!= NULL
))
624 printvar (cp
, pathname
);
632 if (!a_flag
&& !found
)
633 error (EXIT_FAILURE
, 0, "Unrecognized variable `%s'", varname
);
636 return ferror (stdout
) ? EXIT_FAILURE
: EXIT_SUCCESS
;