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04277e02 | 1 | /* Copyright (C) 1991-2019 Free Software Foundation, Inc. |
2c6fe0bd | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
43bc8ac6 | 4 | This program is free software; you can redistribute it and/or modify |
2e2efe65 RM |
5 | it under the terms of the GNU General Public License as published |
6 | by the Free Software Foundation; version 2 of the License, or | |
7 | (at your option) any later version. | |
28f540f4 | 8 | |
43bc8ac6 | 9 | This program is distributed in the hope that it will be useful, |
2c6fe0bd | 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
43bc8ac6 UD |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 | GNU General Public License for more details. | |
28f540f4 | 13 | |
43bc8ac6 | 14 | You should have received a copy of the GNU General Public License |
5a82c748 | 15 | along with this program; if not, see <https://www.gnu.org/licenses/>. */ |
28f540f4 | 16 | |
28f540f4 RM |
17 | #include <unistd.h> |
18 | #include <errno.h> | |
036cc82f RM |
19 | #include <error.h> |
20 | #include <libintl.h> | |
9756dfe1 | 21 | #include <locale.h> |
28f540f4 RM |
22 | #include <string.h> |
23 | #include <stdlib.h> | |
24 | #include <stdio.h> | |
25 | ||
9756dfe1 UD |
26 | #include "../version.h" |
27 | #define PACKAGE _libc_intl_domainname | |
28 | ||
50cbbaa9 SP |
29 | #define NEED_SPEC_ARRAY 1 |
30 | #include <posix-conf-vars.h> | |
31 | ||
d7e64365 SP |
32 | /* If all of the environments are defined in environments.h, then we don't need |
33 | to bother with doing a runtime check for a specific environment. */ | |
34 | #if (defined _SC_V6_ILP32_OFF32 \ | |
35 | && defined _SC_V7_LPBIG_OFFBIG \ | |
36 | && defined _SC_XBS5_LP64_OFF64 \ | |
37 | && defined _SC_V6_LP64_OFF64 \ | |
38 | && defined _SC_V7_ILP32_OFFBIG \ | |
39 | && defined _SC_V6_LPBIG_OFFBIG \ | |
40 | && defined _SC_V7_LP64_OFF64 \ | |
41 | && defined _SC_V7_ILP32_OFF32 \ | |
42 | && defined _SC_XBS5_LPBIG_OFFBIG \ | |
43 | && defined _SC_XBS5_ILP32_OFFBIG \ | |
44 | && defined _SC_V6_ILP32_OFFBIG \ | |
45 | && defined _SC_XBS5_ILP32_OFF32) | |
46 | # define ALL_ENVIRONMENTS_DEFINED 1 | |
47 | #endif | |
48 | ||
28f540f4 RM |
49 | struct conf |
50 | { | |
036cc82f RM |
51 | const char *name; |
52 | const int call_name; | |
53 | const enum { SYSCONF, CONFSTR, PATHCONF } call; | |
28f540f4 RM |
54 | }; |
55 | ||
dfd2257a | 56 | static const struct conf vars[] = |
28f540f4 RM |
57 | { |
58 | { "LINK_MAX", _PC_LINK_MAX, PATHCONF }, | |
2c6fe0bd | 59 | { "_POSIX_LINK_MAX", _PC_LINK_MAX, PATHCONF }, |
28f540f4 | 60 | { "MAX_CANON", _PC_MAX_CANON, PATHCONF }, |
2c6fe0bd | 61 | { "_POSIX_MAX_CANON", _PC_MAX_CANON, PATHCONF }, |
28f540f4 | 62 | { "MAX_INPUT", _PC_MAX_INPUT, PATHCONF }, |
2c6fe0bd | 63 | { "_POSIX_MAX_INPUT", _PC_MAX_INPUT, PATHCONF }, |
28f540f4 | 64 | { "NAME_MAX", _PC_NAME_MAX, PATHCONF }, |
2c6fe0bd | 65 | { "_POSIX_NAME_MAX", _PC_NAME_MAX, PATHCONF }, |
28f540f4 | 66 | { "PATH_MAX", _PC_PATH_MAX, PATHCONF }, |
2c6fe0bd | 67 | { "_POSIX_PATH_MAX", _PC_PATH_MAX, PATHCONF }, |
28f540f4 | 68 | { "PIPE_BUF", _PC_PIPE_BUF, PATHCONF }, |
2c6fe0bd | 69 | { "_POSIX_PIPE_BUF", _PC_PIPE_BUF, PATHCONF }, |
503054c0 | 70 | { "SOCK_MAXBUF", _PC_SOCK_MAXBUF, PATHCONF }, |
2c6fe0bd | 71 | { "_POSIX_ASYNC_IO", _PC_ASYNC_IO, PATHCONF }, |
28f540f4 RM |
72 | { "_POSIX_CHOWN_RESTRICTED", _PC_CHOWN_RESTRICTED, PATHCONF }, |
73 | { "_POSIX_NO_TRUNC", _PC_NO_TRUNC, PATHCONF }, | |
75cd5204 | 74 | { "_POSIX_PRIO_IO", _PC_PRIO_IO, PATHCONF }, |
2c6fe0bd UD |
75 | { "_POSIX_SYNC_IO", _PC_SYNC_IO, PATHCONF }, |
76 | { "_POSIX_VDISABLE", _PC_VDISABLE, PATHCONF }, | |
28f540f4 RM |
77 | |
78 | { "ARG_MAX", _SC_ARG_MAX, SYSCONF }, | |
2c6fe0bd UD |
79 | { "ATEXIT_MAX", _SC_ATEXIT_MAX, SYSCONF }, |
80 | { "CHAR_BIT", _SC_CHAR_BIT, SYSCONF }, | |
81 | { "CHAR_MAX", _SC_CHAR_MAX, SYSCONF }, | |
82 | { "CHAR_MIN", _SC_CHAR_MIN, SYSCONF }, | |
28f540f4 RM |
83 | { "CHILD_MAX", _SC_CHILD_MAX, SYSCONF }, |
84 | { "CLK_TCK", _SC_CLK_TCK, SYSCONF }, | |
2c6fe0bd UD |
85 | { "INT_MAX", _SC_INT_MAX, SYSCONF }, |
86 | { "INT_MIN", _SC_INT_MIN, SYSCONF }, | |
87 | { "IOV_MAX", _SC_UIO_MAXIOV, SYSCONF }, | |
88 | { "LOGNAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF }, | |
89 | { "LONG_BIT", _SC_LONG_BIT, SYSCONF }, | |
90 | { "MB_LEN_MAX", _SC_MB_LEN_MAX, SYSCONF }, | |
28f540f4 | 91 | { "NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF }, |
2c6fe0bd UD |
92 | { "NL_ARGMAX", _SC_NL_ARGMAX, SYSCONF }, |
93 | { "NL_LANGMAX", _SC_NL_LANGMAX, SYSCONF }, | |
94 | { "NL_MSGMAX", _SC_NL_MSGMAX, SYSCONF }, | |
95 | { "NL_NMAX", _SC_NL_NMAX, SYSCONF }, | |
96 | { "NL_SETMAX", _SC_NL_SETMAX, SYSCONF }, | |
97 | { "NL_TEXTMAX", _SC_NL_TEXTMAX, SYSCONF }, | |
98 | { "NSS_BUFLEN_GROUP", _SC_GETGR_R_SIZE_MAX, SYSCONF }, | |
99 | { "NSS_BUFLEN_PASSWD", _SC_GETPW_R_SIZE_MAX, SYSCONF }, | |
100 | { "NZERO", _SC_NZERO, SYSCONF }, | |
28f540f4 | 101 | { "OPEN_MAX", _SC_OPEN_MAX, SYSCONF }, |
2c6fe0bd UD |
102 | { "PAGESIZE", _SC_PAGESIZE, SYSCONF }, |
103 | { "PAGE_SIZE", _SC_PAGESIZE, SYSCONF }, | |
104 | { "PASS_MAX", _SC_PASS_MAX, SYSCONF }, | |
105 | { "PTHREAD_DESTRUCTOR_ITERATIONS", _SC_THREAD_DESTRUCTOR_ITERATIONS, SYSCONF }, | |
106 | { "PTHREAD_KEYS_MAX", _SC_THREAD_KEYS_MAX, SYSCONF }, | |
107 | { "PTHREAD_STACK_MIN", _SC_THREAD_STACK_MIN, SYSCONF }, | |
108 | { "PTHREAD_THREADS_MAX", _SC_THREAD_THREADS_MAX, SYSCONF }, | |
109 | { "SCHAR_MAX", _SC_SCHAR_MAX, SYSCONF }, | |
110 | { "SCHAR_MIN", _SC_SCHAR_MIN, SYSCONF }, | |
111 | { "SHRT_MAX", _SC_SHRT_MAX, SYSCONF }, | |
112 | { "SHRT_MIN", _SC_SHRT_MIN, SYSCONF }, | |
113 | { "SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF }, | |
114 | { "TTY_NAME_MAX", _SC_TTY_NAME_MAX, SYSCONF }, | |
115 | { "TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF }, | |
116 | { "UCHAR_MAX", _SC_UCHAR_MAX, SYSCONF }, | |
117 | { "UINT_MAX", _SC_UINT_MAX, SYSCONF }, | |
118 | { "UIO_MAXIOV", _SC_UIO_MAXIOV, SYSCONF }, | |
119 | { "ULONG_MAX", _SC_ULONG_MAX, SYSCONF }, | |
120 | { "USHRT_MAX", _SC_USHRT_MAX, SYSCONF }, | |
121 | { "WORD_BIT", _SC_WORD_BIT, SYSCONF }, | |
122 | { "_AVPHYS_PAGES", _SC_AVPHYS_PAGES, SYSCONF }, | |
123 | { "_NPROCESSORS_CONF", _SC_NPROCESSORS_CONF, SYSCONF }, | |
124 | { "_NPROCESSORS_ONLN", _SC_NPROCESSORS_ONLN, SYSCONF }, | |
125 | { "_PHYS_PAGES", _SC_PHYS_PAGES, SYSCONF }, | |
126 | { "_POSIX_ARG_MAX", _SC_ARG_MAX, SYSCONF }, | |
7b3547eb | 127 | { "_POSIX_ASYNCHRONOUS_IO", _SC_ASYNCHRONOUS_IO, SYSCONF }, |
2c6fe0bd | 128 | { "_POSIX_CHILD_MAX", _SC_CHILD_MAX, SYSCONF }, |
7b3547eb | 129 | { "_POSIX_FSYNC", _SC_FSYNC, SYSCONF }, |
2c6fe0bd | 130 | { "_POSIX_JOB_CONTROL", _SC_JOB_CONTROL, SYSCONF }, |
7b3547eb RM |
131 | { "_POSIX_MAPPED_FILES", _SC_MAPPED_FILES, SYSCONF }, |
132 | { "_POSIX_MEMLOCK", _SC_MEMLOCK, SYSCONF }, | |
133 | { "_POSIX_MEMLOCK_RANGE", _SC_MEMLOCK_RANGE, SYSCONF }, | |
134 | { "_POSIX_MEMORY_PROTECTION", _SC_MEMORY_PROTECTION, SYSCONF }, | |
135 | { "_POSIX_MESSAGE_PASSING", _SC_MESSAGE_PASSING, SYSCONF }, | |
2c6fe0bd UD |
136 | { "_POSIX_NGROUPS_MAX", _SC_NGROUPS_MAX, SYSCONF }, |
137 | { "_POSIX_OPEN_MAX", _SC_OPEN_MAX, SYSCONF }, | |
503054c0 | 138 | { "_POSIX_PII", _SC_PII, SYSCONF }, |
503054c0 | 139 | { "_POSIX_PII_INTERNET", _SC_PII_INTERNET, SYSCONF }, |
503054c0 | 140 | { "_POSIX_PII_INTERNET_DGRAM", _SC_PII_INTERNET_DGRAM, SYSCONF }, |
2c6fe0bd UD |
141 | { "_POSIX_PII_INTERNET_STREAM", _SC_PII_INTERNET_STREAM, SYSCONF }, |
142 | { "_POSIX_PII_OSI", _SC_PII_OSI, SYSCONF }, | |
503054c0 | 143 | { "_POSIX_PII_OSI_CLTS", _SC_PII_OSI_CLTS, SYSCONF }, |
2c6fe0bd | 144 | { "_POSIX_PII_OSI_COTS", _SC_PII_OSI_COTS, SYSCONF }, |
503054c0 | 145 | { "_POSIX_PII_OSI_M", _SC_PII_OSI_M, SYSCONF }, |
2c6fe0bd UD |
146 | { "_POSIX_PII_SOCKET", _SC_PII_SOCKET, SYSCONF }, |
147 | { "_POSIX_PII_XTI", _SC_PII_XTI, SYSCONF }, | |
148 | { "_POSIX_POLL", _SC_POLL, SYSCONF }, | |
149 | { "_POSIX_PRIORITIZED_IO", _SC_PRIORITIZED_IO, SYSCONF }, | |
150 | { "_POSIX_PRIORITY_SCHEDULING", _SC_PRIORITY_SCHEDULING, SYSCONF }, | |
151 | { "_POSIX_REALTIME_SIGNALS", _SC_REALTIME_SIGNALS, SYSCONF }, | |
152 | { "_POSIX_SAVED_IDS", _SC_SAVED_IDS, SYSCONF }, | |
153 | { "_POSIX_SELECT", _SC_SELECT, SYSCONF }, | |
154 | { "_POSIX_SEMAPHORES", _SC_SEMAPHORES, SYSCONF }, | |
155 | { "_POSIX_SHARED_MEMORY_OBJECTS", _SC_SHARED_MEMORY_OBJECTS, SYSCONF }, | |
156 | { "_POSIX_SSIZE_MAX", _SC_SSIZE_MAX, SYSCONF }, | |
157 | { "_POSIX_STREAM_MAX", _SC_STREAM_MAX, SYSCONF }, | |
158 | { "_POSIX_SYNCHRONIZED_IO", _SC_SYNCHRONIZED_IO, SYSCONF }, | |
23396375 | 159 | { "_POSIX_THREADS", _SC_THREADS, SYSCONF }, |
23396375 UD |
160 | { "_POSIX_THREAD_ATTR_STACKADDR", _SC_THREAD_ATTR_STACKADDR, SYSCONF }, |
161 | { "_POSIX_THREAD_ATTR_STACKSIZE", _SC_THREAD_ATTR_STACKSIZE, SYSCONF }, | |
162 | { "_POSIX_THREAD_PRIORITY_SCHEDULING", _SC_THREAD_PRIORITY_SCHEDULING, SYSCONF }, | |
163 | { "_POSIX_THREAD_PRIO_INHERIT", _SC_THREAD_PRIO_INHERIT, SYSCONF }, | |
164 | { "_POSIX_THREAD_PRIO_PROTECT", _SC_THREAD_PRIO_PROTECT, SYSCONF }, | |
6cbe890a UD |
165 | { "_POSIX_THREAD_ROBUST_PRIO_INHERIT", _SC_THREAD_ROBUST_PRIO_INHERIT, |
166 | SYSCONF }, | |
6cbe890a UD |
167 | { "_POSIX_THREAD_ROBUST_PRIO_PROTECT", _SC_THREAD_ROBUST_PRIO_PROTECT, |
168 | SYSCONF }, | |
23396375 | 169 | { "_POSIX_THREAD_PROCESS_SHARED", _SC_THREAD_PROCESS_SHARED, SYSCONF }, |
2c6fe0bd UD |
170 | { "_POSIX_THREAD_SAFE_FUNCTIONS", _SC_THREAD_SAFE_FUNCTIONS, SYSCONF }, |
171 | { "_POSIX_TIMERS", _SC_TIMERS, SYSCONF }, | |
a3bbce5b | 172 | { "TIMER_MAX", _SC_TIMER_MAX, SYSCONF }, |
2c6fe0bd UD |
173 | { "_POSIX_TZNAME_MAX", _SC_TZNAME_MAX, SYSCONF }, |
174 | { "_POSIX_VERSION", _SC_VERSION, SYSCONF }, | |
175 | { "_T_IOV_MAX", _SC_T_IOV_MAX, SYSCONF }, | |
176 | { "_XOPEN_CRYPT", _SC_XOPEN_CRYPT, SYSCONF }, | |
177 | { "_XOPEN_ENH_I18N", _SC_XOPEN_ENH_I18N, SYSCONF }, | |
9756dfe1 UD |
178 | { "_XOPEN_LEGACY", _SC_XOPEN_LEGACY, SYSCONF }, |
179 | { "_XOPEN_REALTIME", _SC_XOPEN_REALTIME, SYSCONF }, | |
180 | { "_XOPEN_REALTIME_THREADS", _SC_XOPEN_REALTIME_THREADS, SYSCONF }, | |
2c6fe0bd UD |
181 | { "_XOPEN_SHM", _SC_XOPEN_SHM, SYSCONF }, |
182 | { "_XOPEN_UNIX", _SC_XOPEN_UNIX, SYSCONF }, | |
183 | { "_XOPEN_VERSION", _SC_XOPEN_VERSION, SYSCONF }, | |
184 | { "_XOPEN_XCU_VERSION", _SC_XOPEN_XCU_VERSION, SYSCONF }, | |
185 | { "_XOPEN_XPG2", _SC_XOPEN_XPG2, SYSCONF }, | |
186 | { "_XOPEN_XPG3", _SC_XOPEN_XPG3, SYSCONF }, | |
187 | { "_XOPEN_XPG4", _SC_XOPEN_XPG4, SYSCONF }, | |
036cc82f RM |
188 | /* POSIX.2 */ |
189 | { "BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF }, | |
190 | { "BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF }, | |
191 | { "BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF }, | |
192 | { "BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF }, | |
160698e2 | 193 | { "CHARCLASS_NAME_MAX", _SC_CHARCLASS_NAME_MAX, SYSCONF }, |
036cc82f RM |
194 | { "COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF }, |
195 | { "EQUIV_CLASS_MAX", _SC_EQUIV_CLASS_MAX, SYSCONF }, | |
196 | { "EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF }, | |
197 | { "LINE_MAX", _SC_LINE_MAX, SYSCONF }, | |
2c6fe0bd UD |
198 | { "POSIX2_BC_BASE_MAX", _SC_BC_BASE_MAX, SYSCONF }, |
199 | { "POSIX2_BC_DIM_MAX", _SC_BC_DIM_MAX, SYSCONF }, | |
200 | { "POSIX2_BC_SCALE_MAX", _SC_BC_SCALE_MAX, SYSCONF }, | |
201 | { "POSIX2_BC_STRING_MAX", _SC_BC_STRING_MAX, SYSCONF }, | |
202 | { "POSIX2_CHAR_TERM", _SC_2_CHAR_TERM, SYSCONF }, | |
203 | { "POSIX2_COLL_WEIGHTS_MAX", _SC_COLL_WEIGHTS_MAX, SYSCONF }, | |
036cc82f RM |
204 | { "POSIX2_C_BIND", _SC_2_C_BIND, SYSCONF }, |
205 | { "POSIX2_C_DEV", _SC_2_C_DEV, SYSCONF }, | |
2c6fe0bd UD |
206 | { "POSIX2_C_VERSION", _SC_2_C_VERSION, SYSCONF }, |
207 | { "POSIX2_EXPR_NEST_MAX", _SC_EXPR_NEST_MAX, SYSCONF }, | |
036cc82f RM |
208 | { "POSIX2_FORT_DEV", _SC_2_FORT_DEV, SYSCONF }, |
209 | { "POSIX2_FORT_RUN", _SC_2_FORT_RUN, SYSCONF }, | |
a3bbce5b | 210 | { "_POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF }, |
d76da20f | 211 | { "POSIX2_LINE_MAX", _SC_LINE_MAX, SYSCONF }, |
036cc82f | 212 | { "POSIX2_LOCALEDEF", _SC_2_LOCALEDEF, SYSCONF }, |
2c6fe0bd | 213 | { "POSIX2_RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF }, |
036cc82f | 214 | { "POSIX2_SW_DEV", _SC_2_SW_DEV, SYSCONF }, |
2c6fe0bd UD |
215 | { "POSIX2_UPE", _SC_2_UPE, SYSCONF }, |
216 | { "POSIX2_VERSION", _SC_2_VERSION, SYSCONF }, | |
217 | { "RE_DUP_MAX", _SC_RE_DUP_MAX, SYSCONF }, | |
28f540f4 RM |
218 | |
219 | { "PATH", _CS_PATH, CONFSTR }, | |
2c6fe0bd | 220 | { "CS_PATH", _CS_PATH, CONFSTR }, |
28f540f4 | 221 | |
dfd2257a UD |
222 | /* LFS */ |
223 | { "LFS_CFLAGS", _CS_LFS_CFLAGS, CONFSTR }, | |
224 | { "LFS_LDFLAGS", _CS_LFS_LDFLAGS, CONFSTR }, | |
225 | { "LFS_LIBS", _CS_LFS_LIBS, CONFSTR }, | |
226 | { "LFS_LINTFLAGS", _CS_LFS_LINTFLAGS, CONFSTR }, | |
227 | { "LFS64_CFLAGS", _CS_LFS64_CFLAGS, CONFSTR }, | |
228 | { "LFS64_LDFLAGS", _CS_LFS64_LDFLAGS, CONFSTR }, | |
229 | { "LFS64_LIBS", _CS_LFS64_LIBS, CONFSTR }, | |
230 | { "LFS64_LINTFLAGS", _CS_LFS64_LINTFLAGS, CONFSTR }, | |
231 | ||
9756dfe1 | 232 | /* Programming environments. */ |
26b62243 UD |
233 | { "_XBS5_WIDTH_RESTRICTED_ENVS", _CS_V5_WIDTH_RESTRICTED_ENVS, CONFSTR }, |
234 | { "XBS5_WIDTH_RESTRICTED_ENVS", _CS_V5_WIDTH_RESTRICTED_ENVS, CONFSTR }, | |
26b62243 | 235 | |
a3bbce5b | 236 | { "_XBS5_ILP32_OFF32", _SC_XBS5_ILP32_OFF32, SYSCONF }, |
9756dfe1 UD |
237 | { "XBS5_ILP32_OFF32_CFLAGS", _CS_XBS5_ILP32_OFF32_CFLAGS, CONFSTR }, |
238 | { "XBS5_ILP32_OFF32_LDFLAGS", _CS_XBS5_ILP32_OFF32_LDFLAGS, CONFSTR }, | |
239 | { "XBS5_ILP32_OFF32_LIBS", _CS_XBS5_ILP32_OFF32_LIBS, CONFSTR }, | |
240 | { "XBS5_ILP32_OFF32_LINTFLAGS", _CS_XBS5_ILP32_OFF32_LINTFLAGS, CONFSTR }, | |
241 | ||
a3bbce5b | 242 | { "_XBS5_ILP32_OFFBIG", _SC_XBS5_ILP32_OFFBIG, SYSCONF }, |
9756dfe1 UD |
243 | { "XBS5_ILP32_OFFBIG_CFLAGS", _CS_XBS5_ILP32_OFFBIG_CFLAGS, CONFSTR }, |
244 | { "XBS5_ILP32_OFFBIG_LDFLAGS", _CS_XBS5_ILP32_OFFBIG_LDFLAGS, CONFSTR }, | |
245 | { "XBS5_ILP32_OFFBIG_LIBS", _CS_XBS5_ILP32_OFFBIG_LIBS, CONFSTR }, | |
246 | { "XBS5_ILP32_OFFBIG_LINTFLAGS", _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, CONFSTR }, | |
247 | ||
a3bbce5b | 248 | { "_XBS5_LP64_OFF64", _SC_XBS5_LP64_OFF64, SYSCONF }, |
9756dfe1 UD |
249 | { "XBS5_LP64_OFF64_CFLAGS", _CS_XBS5_LP64_OFF64_CFLAGS, CONFSTR }, |
250 | { "XBS5_LP64_OFF64_LDFLAGS", _CS_XBS5_LP64_OFF64_LDFLAGS, CONFSTR }, | |
251 | { "XBS5_LP64_OFF64_LIBS", _CS_XBS5_LP64_OFF64_LIBS, CONFSTR }, | |
252 | { "XBS5_LP64_OFF64_LINTFLAGS", _CS_XBS5_LP64_OFF64_LINTFLAGS, CONFSTR }, | |
253 | ||
a3bbce5b | 254 | { "_XBS5_LPBIG_OFFBIG", _SC_XBS5_LPBIG_OFFBIG, SYSCONF }, |
9756dfe1 UD |
255 | { "XBS5_LPBIG_OFFBIG_CFLAGS", _CS_XBS5_LPBIG_OFFBIG_CFLAGS, CONFSTR }, |
256 | { "XBS5_LPBIG_OFFBIG_LDFLAGS", _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, CONFSTR }, | |
257 | { "XBS5_LPBIG_OFFBIG_LIBS", _CS_XBS5_LPBIG_OFFBIG_LIBS, CONFSTR }, | |
258 | { "XBS5_LPBIG_OFFBIG_LINTFLAGS", _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, CONFSTR }, | |
259 | ||
d20f21a2 | 260 | { "_POSIX_V6_ILP32_OFF32", _SC_V6_ILP32_OFF32, SYSCONF }, |
d20f21a2 | 261 | { "POSIX_V6_ILP32_OFF32_CFLAGS", _CS_POSIX_V6_ILP32_OFF32_CFLAGS, CONFSTR }, |
d20f21a2 | 262 | { "POSIX_V6_ILP32_OFF32_LDFLAGS", _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, CONFSTR }, |
d20f21a2 | 263 | { "POSIX_V6_ILP32_OFF32_LIBS", _CS_POSIX_V6_ILP32_OFF32_LIBS, CONFSTR }, |
d20f21a2 | 264 | { "POSIX_V6_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS, CONFSTR }, |
d20f21a2 | 265 | |
280f4add | 266 | { "_POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR }, |
d5078b9f | 267 | { "POSIX_V6_WIDTH_RESTRICTED_ENVS", _CS_V6_WIDTH_RESTRICTED_ENVS, CONFSTR }, |
280f4add | 268 | |
d20f21a2 | 269 | { "_POSIX_V6_ILP32_OFFBIG", _SC_V6_ILP32_OFFBIG, SYSCONF }, |
d20f21a2 | 270 | { "POSIX_V6_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, CONFSTR }, |
d20f21a2 | 271 | { "POSIX_V6_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, CONFSTR }, |
d20f21a2 | 272 | { "POSIX_V6_ILP32_OFFBIG_LIBS", _CS_POSIX_V6_ILP32_OFFBIG_LIBS, CONFSTR }, |
d20f21a2 | 273 | { "POSIX_V6_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS, CONFSTR }, |
d20f21a2 | 274 | |
d20f21a2 | 275 | { "_POSIX_V6_LP64_OFF64", _SC_V6_LP64_OFF64, SYSCONF }, |
d20f21a2 | 276 | { "POSIX_V6_LP64_OFF64_CFLAGS", _CS_POSIX_V6_LP64_OFF64_CFLAGS, CONFSTR }, |
d20f21a2 | 277 | { "POSIX_V6_LP64_OFF64_LDFLAGS", _CS_POSIX_V6_LP64_OFF64_LDFLAGS, CONFSTR }, |
d20f21a2 | 278 | { "POSIX_V6_LP64_OFF64_LIBS", _CS_POSIX_V6_LP64_OFF64_LIBS, CONFSTR }, |
d20f21a2 | 279 | { "POSIX_V6_LP64_OFF64_LINTFLAGS", _CS_POSIX_V6_LP64_OFF64_LINTFLAGS, CONFSTR }, |
d20f21a2 | 280 | |
d20f21a2 | 281 | { "_POSIX_V6_LPBIG_OFFBIG", _SC_V6_LPBIG_OFFBIG, SYSCONF }, |
d20f21a2 | 282 | { "POSIX_V6_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, CONFSTR }, |
d20f21a2 | 283 | { "POSIX_V6_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, CONFSTR }, |
d20f21a2 | 284 | { "POSIX_V6_LPBIG_OFFBIG_LIBS", _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, CONFSTR }, |
a3bbce5b | 285 | { "POSIX_V6_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS, CONFSTR }, |
d20f21a2 | 286 | |
26b62243 | 287 | { "_POSIX_V7_ILP32_OFF32", _SC_V7_ILP32_OFF32, SYSCONF }, |
26b62243 | 288 | { "POSIX_V7_ILP32_OFF32_CFLAGS", _CS_POSIX_V7_ILP32_OFF32_CFLAGS, CONFSTR }, |
26b62243 | 289 | { "POSIX_V7_ILP32_OFF32_LDFLAGS", _CS_POSIX_V7_ILP32_OFF32_LDFLAGS, CONFSTR }, |
26b62243 | 290 | { "POSIX_V7_ILP32_OFF32_LIBS", _CS_POSIX_V7_ILP32_OFF32_LIBS, CONFSTR }, |
26b62243 | 291 | { "POSIX_V7_ILP32_OFF32_LINTFLAGS", _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS, CONFSTR }, |
26b62243 | 292 | |
26b62243 UD |
293 | { "_POSIX_V7_WIDTH_RESTRICTED_ENVS", _CS_V7_WIDTH_RESTRICTED_ENVS, CONFSTR }, |
294 | { "POSIX_V7_WIDTH_RESTRICTED_ENVS", _CS_V7_WIDTH_RESTRICTED_ENVS, CONFSTR }, | |
26b62243 | 295 | |
26b62243 | 296 | { "_POSIX_V7_ILP32_OFFBIG", _SC_V7_ILP32_OFFBIG, SYSCONF }, |
26b62243 | 297 | { "POSIX_V7_ILP32_OFFBIG_CFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS, CONFSTR }, |
26b62243 | 298 | { "POSIX_V7_ILP32_OFFBIG_LDFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS, CONFSTR }, |
26b62243 | 299 | { "POSIX_V7_ILP32_OFFBIG_LIBS", _CS_POSIX_V7_ILP32_OFFBIG_LIBS, CONFSTR }, |
26b62243 | 300 | { "POSIX_V7_ILP32_OFFBIG_LINTFLAGS", _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS, CONFSTR }, |
26b62243 | 301 | |
26b62243 | 302 | { "_POSIX_V7_LP64_OFF64", _SC_V7_LP64_OFF64, SYSCONF }, |
26b62243 | 303 | { "POSIX_V7_LP64_OFF64_CFLAGS", _CS_POSIX_V7_LP64_OFF64_CFLAGS, CONFSTR }, |
26b62243 | 304 | { "POSIX_V7_LP64_OFF64_LDFLAGS", _CS_POSIX_V7_LP64_OFF64_LDFLAGS, CONFSTR }, |
26b62243 | 305 | { "POSIX_V7_LP64_OFF64_LIBS", _CS_POSIX_V7_LP64_OFF64_LIBS, CONFSTR }, |
26b62243 | 306 | { "POSIX_V7_LP64_OFF64_LINTFLAGS", _CS_POSIX_V7_LP64_OFF64_LINTFLAGS, CONFSTR }, |
26b62243 | 307 | |
26b62243 | 308 | { "_POSIX_V7_LPBIG_OFFBIG", _SC_V7_LPBIG_OFFBIG, SYSCONF }, |
26b62243 | 309 | { "POSIX_V7_LPBIG_OFFBIG_CFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS, CONFSTR }, |
26b62243 | 310 | { "POSIX_V7_LPBIG_OFFBIG_LDFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS, CONFSTR }, |
26b62243 | 311 | { "POSIX_V7_LPBIG_OFFBIG_LIBS", _CS_POSIX_V7_LPBIG_OFFBIG_LIBS, CONFSTR }, |
26b62243 | 312 | { "POSIX_V7_LPBIG_OFFBIG_LINTFLAGS", _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS, CONFSTR }, |
26b62243 | 313 | |
a3bbce5b | 314 | { "_POSIX_ADVISORY_INFO", _SC_ADVISORY_INFO, SYSCONF }, |
a3bbce5b | 315 | { "_POSIX_BARRIERS", _SC_BARRIERS, SYSCONF }, |
a3bbce5b | 316 | { "_POSIX_BASE", _SC_BASE, SYSCONF }, |
a3bbce5b | 317 | { "_POSIX_C_LANG_SUPPORT", _SC_C_LANG_SUPPORT, SYSCONF }, |
a3bbce5b | 318 | { "_POSIX_C_LANG_SUPPORT_R", _SC_C_LANG_SUPPORT_R, SYSCONF }, |
a3bbce5b | 319 | { "_POSIX_CLOCK_SELECTION", _SC_CLOCK_SELECTION, SYSCONF }, |
a3bbce5b | 320 | { "_POSIX_CPUTIME", _SC_CPUTIME, SYSCONF }, |
a3bbce5b | 321 | { "_POSIX_THREAD_CPUTIME", _SC_THREAD_CPUTIME, SYSCONF }, |
a3bbce5b | 322 | { "_POSIX_DEVICE_SPECIFIC", _SC_DEVICE_SPECIFIC, SYSCONF }, |
a3bbce5b | 323 | { "_POSIX_DEVICE_SPECIFIC_R", _SC_DEVICE_SPECIFIC_R, SYSCONF }, |
a3bbce5b | 324 | { "_POSIX_FD_MGMT", _SC_FD_MGMT, SYSCONF }, |
a3bbce5b | 325 | { "_POSIX_FIFO", _SC_FIFO, SYSCONF }, |
a3bbce5b | 326 | { "_POSIX_PIPE", _SC_PIPE, SYSCONF }, |
a3bbce5b | 327 | { "_POSIX_FILE_ATTRIBUTES", _SC_FILE_ATTRIBUTES, SYSCONF }, |
a3bbce5b | 328 | { "_POSIX_FILE_LOCKING", _SC_FILE_LOCKING, SYSCONF }, |
a3bbce5b | 329 | { "_POSIX_FILE_SYSTEM", _SC_FILE_SYSTEM, SYSCONF }, |
a3bbce5b | 330 | { "_POSIX_MONOTONIC_CLOCK", _SC_MONOTONIC_CLOCK, SYSCONF }, |
a3bbce5b | 331 | { "_POSIX_MULTI_PROCESS", _SC_MULTI_PROCESS, SYSCONF }, |
a3bbce5b | 332 | { "_POSIX_SINGLE_PROCESS", _SC_SINGLE_PROCESS, SYSCONF }, |
a3bbce5b | 333 | { "_POSIX_NETWORKING", _SC_NETWORKING, SYSCONF }, |
a3bbce5b | 334 | { "_POSIX_READER_WRITER_LOCKS", _SC_READER_WRITER_LOCKS, SYSCONF }, |
a3bbce5b | 335 | { "_POSIX_SPIN_LOCKS", _SC_SPIN_LOCKS, SYSCONF }, |
a3bbce5b | 336 | { "_POSIX_REGEXP", _SC_REGEXP, SYSCONF }, |
a3bbce5b | 337 | { "_REGEX_VERSION", _SC_REGEX_VERSION, SYSCONF }, |
a3bbce5b | 338 | { "_POSIX_SHELL", _SC_SHELL, SYSCONF }, |
a3bbce5b | 339 | { "_POSIX_SIGNALS", _SC_SIGNALS, SYSCONF }, |
a3bbce5b | 340 | { "_POSIX_SPAWN", _SC_SPAWN, SYSCONF }, |
a3bbce5b | 341 | { "_POSIX_SPORADIC_SERVER", _SC_SPORADIC_SERVER, SYSCONF }, |
a3bbce5b | 342 | { "_POSIX_THREAD_SPORADIC_SERVER", _SC_THREAD_SPORADIC_SERVER, SYSCONF }, |
a3bbce5b | 343 | { "_POSIX_SYSTEM_DATABASE", _SC_SYSTEM_DATABASE, SYSCONF }, |
a3bbce5b | 344 | { "_POSIX_SYSTEM_DATABASE_R", _SC_SYSTEM_DATABASE_R, SYSCONF }, |
a3bbce5b | 345 | { "_POSIX_TIMEOUTS", _SC_TIMEOUTS, SYSCONF }, |
a3bbce5b | 346 | { "_POSIX_TYPED_MEMORY_OBJECTS", _SC_TYPED_MEMORY_OBJECTS, SYSCONF }, |
a3bbce5b | 347 | { "_POSIX_USER_GROUPS", _SC_USER_GROUPS, SYSCONF }, |
a3bbce5b | 348 | { "_POSIX_USER_GROUPS_R", _SC_USER_GROUPS_R, SYSCONF }, |
a3bbce5b | 349 | { "POSIX2_PBS", _SC_2_PBS, SYSCONF }, |
a3bbce5b | 350 | { "POSIX2_PBS_ACCOUNTING", _SC_2_PBS_ACCOUNTING, SYSCONF }, |
a3bbce5b | 351 | { "POSIX2_PBS_LOCATE", _SC_2_PBS_LOCATE, SYSCONF }, |
a3bbce5b | 352 | { "POSIX2_PBS_TRACK", _SC_2_PBS_TRACK, SYSCONF }, |
a3bbce5b | 353 | { "POSIX2_PBS_MESSAGE", _SC_2_PBS_MESSAGE, SYSCONF }, |
a3bbce5b | 354 | { "SYMLOOP_MAX", _SC_SYMLOOP_MAX, SYSCONF }, |
a3bbce5b | 355 | { "STREAM_MAX", _SC_STREAM_MAX, SYSCONF }, |
a3bbce5b | 356 | { "AIO_LISTIO_MAX", _SC_AIO_LISTIO_MAX, SYSCONF }, |
a3bbce5b | 357 | { "AIO_MAX", _SC_AIO_MAX, SYSCONF }, |
a3bbce5b | 358 | { "AIO_PRIO_DELTA_MAX", _SC_AIO_PRIO_DELTA_MAX, SYSCONF }, |
a3bbce5b | 359 | { "DELAYTIMER_MAX", _SC_DELAYTIMER_MAX, SYSCONF }, |
a3bbce5b | 360 | { "HOST_NAME_MAX", _SC_HOST_NAME_MAX, SYSCONF }, |
a3bbce5b | 361 | { "LOGIN_NAME_MAX", _SC_LOGIN_NAME_MAX, SYSCONF }, |
a3bbce5b | 362 | { "MQ_OPEN_MAX", _SC_MQ_OPEN_MAX, SYSCONF }, |
a3bbce5b | 363 | { "MQ_PRIO_MAX", _SC_MQ_PRIO_MAX, SYSCONF }, |
a3bbce5b | 364 | { "_POSIX_DEVICE_IO", _SC_DEVICE_IO, SYSCONF }, |
a3bbce5b | 365 | { "_POSIX_TRACE", _SC_TRACE, SYSCONF }, |
a3bbce5b | 366 | { "_POSIX_TRACE_EVENT_FILTER", _SC_TRACE_EVENT_FILTER, SYSCONF }, |
a3bbce5b | 367 | { "_POSIX_TRACE_INHERIT", _SC_TRACE_INHERIT, SYSCONF }, |
a3bbce5b | 368 | { "_POSIX_TRACE_LOG", _SC_TRACE_LOG, SYSCONF }, |
a3bbce5b | 369 | { "RTSIG_MAX", _SC_RTSIG_MAX, SYSCONF }, |
a3bbce5b | 370 | { "SEM_NSEMS_MAX", _SC_SEM_NSEMS_MAX, SYSCONF }, |
a3bbce5b | 371 | { "SEM_VALUE_MAX", _SC_SEM_VALUE_MAX, SYSCONF }, |
a3bbce5b | 372 | { "SIGQUEUE_MAX", _SC_SIGQUEUE_MAX, SYSCONF }, |
a3bbce5b | 373 | { "FILESIZEBITS", _PC_FILESIZEBITS, PATHCONF }, |
a3bbce5b | 374 | { "POSIX_ALLOC_SIZE_MIN", _PC_ALLOC_SIZE_MIN, PATHCONF }, |
a3bbce5b | 375 | { "POSIX_REC_INCR_XFER_SIZE", _PC_REC_INCR_XFER_SIZE, PATHCONF }, |
a3bbce5b | 376 | { "POSIX_REC_MAX_XFER_SIZE", _PC_REC_MAX_XFER_SIZE, PATHCONF }, |
a3bbce5b | 377 | { "POSIX_REC_MIN_XFER_SIZE", _PC_REC_MIN_XFER_SIZE, PATHCONF }, |
a3bbce5b | 378 | { "POSIX_REC_XFER_ALIGN", _PC_REC_XFER_ALIGN, PATHCONF }, |
a3bbce5b | 379 | { "SYMLINK_MAX", _PC_SYMLINK_MAX, PATHCONF }, |
2067577c | 380 | { "GNU_LIBC_VERSION", _CS_GNU_LIBC_VERSION, CONFSTR }, |
2067577c | 381 | { "GNU_LIBPTHREAD_VERSION", _CS_GNU_LIBPTHREAD_VERSION, CONFSTR }, |
564cd8b6 | 382 | { "POSIX2_SYMLINKS", _PC_2_SYMLINKS, PATHCONF }, |
b3ae0650 | 383 | |
bf067910 | 384 | { "LEVEL1_ICACHE_SIZE", _SC_LEVEL1_ICACHE_SIZE, SYSCONF }, |
bf067910 | 385 | { "LEVEL1_ICACHE_ASSOC", _SC_LEVEL1_ICACHE_ASSOC, SYSCONF }, |
bf067910 | 386 | { "LEVEL1_ICACHE_LINESIZE", _SC_LEVEL1_ICACHE_LINESIZE, SYSCONF }, |
bf067910 | 387 | { "LEVEL1_DCACHE_SIZE", _SC_LEVEL1_DCACHE_SIZE, SYSCONF }, |
bf067910 | 388 | { "LEVEL1_DCACHE_ASSOC", _SC_LEVEL1_DCACHE_ASSOC, SYSCONF }, |
bf067910 | 389 | { "LEVEL1_DCACHE_LINESIZE", _SC_LEVEL1_DCACHE_LINESIZE, SYSCONF }, |
bf067910 | 390 | { "LEVEL2_CACHE_SIZE", _SC_LEVEL2_CACHE_SIZE, SYSCONF }, |
bf067910 | 391 | { "LEVEL2_CACHE_ASSOC", _SC_LEVEL2_CACHE_ASSOC, SYSCONF }, |
bf067910 | 392 | { "LEVEL2_CACHE_LINESIZE", _SC_LEVEL2_CACHE_LINESIZE, SYSCONF }, |
bf067910 | 393 | { "LEVEL3_CACHE_SIZE", _SC_LEVEL3_CACHE_SIZE, SYSCONF }, |
bf067910 | 394 | { "LEVEL3_CACHE_ASSOC", _SC_LEVEL3_CACHE_ASSOC, SYSCONF }, |
bf067910 | 395 | { "LEVEL3_CACHE_LINESIZE", _SC_LEVEL3_CACHE_LINESIZE, SYSCONF }, |
bf067910 | 396 | { "LEVEL4_CACHE_SIZE", _SC_LEVEL4_CACHE_SIZE, SYSCONF }, |
bf067910 | 397 | { "LEVEL4_CACHE_ASSOC", _SC_LEVEL4_CACHE_ASSOC, SYSCONF }, |
5b74caf6 | 398 | { "LEVEL4_CACHE_LINESIZE", _SC_LEVEL4_CACHE_LINESIZE, SYSCONF }, |
bf067910 | 399 | |
60e4523a | 400 | { "IPV6", _SC_IPV6, SYSCONF }, |
60e4523a | 401 | { "RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF }, |
bf067910 | 402 | |
3f41521d | 403 | { "_POSIX_IPV6", _SC_IPV6, SYSCONF }, |
3f41521d | 404 | { "_POSIX_RAW_SOCKETS", _SC_RAW_SOCKETS, SYSCONF }, |
3f41521d | 405 | |
28f540f4 RM |
406 | { NULL, 0, SYSCONF } |
407 | }; | |
408 | ||
d20f21a2 | 409 | |
036cc82f RM |
410 | extern const char *__progname; |
411 | ||
28f540f4 RM |
412 | |
413 | static void | |
036cc82f | 414 | usage (void) |
28f540f4 | 415 | { |
d20f21a2 UD |
416 | fprintf (stderr, |
417 | _("Usage: %s [-v specification] variable_name [pathname]\n"), | |
418 | __progname); | |
9a593383 UD |
419 | fprintf (stderr, |
420 | _(" %s -a [pathname]\n"), __progname); | |
28f540f4 RM |
421 | exit (2); |
422 | } | |
423 | ||
26b62243 | 424 | |
9a593383 UD |
425 | static void |
426 | print_all (const char *path) | |
427 | { | |
2e09a79a | 428 | const struct conf *c; |
9a593383 UD |
429 | size_t clen; |
430 | long int value; | |
431 | char *cvalue; | |
432 | for (c = vars; c->name != NULL; ++c) { | |
433 | printf("%-35s", c->name); | |
434 | switch (c->call) { | |
435 | case PATHCONF: | |
02bf610c UD |
436 | value = pathconf (path, c->call_name); |
437 | if (value != -1) { | |
438 | printf("%ld", value); | |
439 | } | |
440 | printf("\n"); | |
441 | break; | |
9a593383 | 442 | case SYSCONF: |
02bf610c UD |
443 | value = sysconf (c->call_name); |
444 | if (value == -1l) { | |
445 | if (c->call_name == _SC_UINT_MAX | |
446 | || c->call_name == _SC_ULONG_MAX) | |
447 | printf ("%lu", value); | |
448 | } | |
449 | else { | |
450 | printf ("%ld", value); | |
451 | } | |
452 | printf ("\n"); | |
453 | break; | |
9a593383 | 454 | case CONFSTR: |
02bf610c UD |
455 | clen = confstr (c->call_name, (char *) NULL, 0); |
456 | cvalue = (char *) malloc (clen); | |
457 | if (cvalue == NULL) | |
458 | error (3, 0, _("memory exhausted")); | |
459 | if (confstr (c->call_name, cvalue, clen) != clen) | |
460 | error (3, errno, "confstr"); | |
461 | printf ("%.*s\n", (int) clen, cvalue); | |
e7c8359e | 462 | free (cvalue); |
02bf610c | 463 | break; |
9a593383 UD |
464 | } |
465 | } | |
466 | exit (0); | |
467 | } | |
468 | ||
28f540f4 | 469 | int |
036cc82f | 470 | main (int argc, char *argv[]) |
28f540f4 | 471 | { |
2e09a79a | 472 | const struct conf *c; |
28f540f4 | 473 | |
9756dfe1 UD |
474 | /* Set locale. Do not set LC_ALL because the other categories must |
475 | not be affected (according to POSIX.2). */ | |
476 | setlocale (LC_CTYPE, ""); | |
477 | setlocale (LC_MESSAGES, ""); | |
478 | ||
479 | /* Initialize the message catalog. */ | |
480 | textdomain (PACKAGE); | |
481 | ||
482 | if (argc > 1 && strcmp (argv[1], "--version") == 0) | |
483 | { | |
8b748aed | 484 | printf ("getconf %s%s\n", PKGVERSION, VERSION); |
cbbcaf23 | 485 | printf (gettext ("\ |
9756dfe1 UD |
486 | Copyright (C) %s Free Software Foundation, Inc.\n\ |
487 | This is free software; see the source for copying conditions. There is NO\n\ | |
488 | warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\ | |
c9123888 | 489 | "), "2019"); |
cbbcaf23 UD |
490 | printf (gettext ("Written by %s.\n"), "Roland McGrath"); |
491 | return 0; | |
492 | } | |
493 | ||
494 | if (argc > 1 && strcmp (argv[1], "--help") == 0) | |
495 | { | |
496 | printf (gettext ("\ | |
497 | Usage: getconf [-v SPEC] VAR\n\ | |
498 | or: getconf [-v SPEC] PATH_VAR PATH\n\ | |
499 | \n\ | |
500 | Get the configuration value for variable VAR, or for variable PATH_VAR\n\ | |
501 | for path PATH. If SPEC is given, give values for compilation\n\ | |
502 | environment SPEC.\n\n")); | |
8b748aed JM |
503 | printf (gettext ("For bug reporting instructions, please see:\n\ |
504 | %s.\n"), REPORT_BUGS_TO); | |
9756dfe1 UD |
505 | return 0; |
506 | } | |
507 | ||
d7e64365 SP |
508 | #ifdef ALL_ENVIRONMENTS_DEFINED |
509 | if (argc > 1 && strncmp (argv[1], "-v", 2) == 0) | |
510 | { | |
511 | if (argv[1][2] == '\0') | |
512 | { | |
513 | if (argc < 3) | |
514 | usage (); | |
515 | ||
516 | argv += 2; | |
517 | argc -= 2; | |
518 | } | |
519 | else | |
520 | { | |
521 | argv += 1; | |
522 | argc += 1; | |
523 | } | |
524 | } | |
525 | #else | |
28f367c4 UD |
526 | const char *getconf_dir = getenv ("GETCONF_DIR") ?: GETCONF_DIR; |
527 | size_t getconf_dirlen = strlen (getconf_dir); | |
528 | ||
529 | const char *spec = NULL; | |
530 | char buf[sizeof "POSIX_V6_LPBIG_OFFBIG"]; | |
531 | char *argv0 = argv[0]; | |
d20f21a2 UD |
532 | if (argc > 1 && strncmp (argv[1], "-v", 2) == 0) |
533 | { | |
d20f21a2 UD |
534 | if (argv[1][2] == '\0') |
535 | { | |
536 | if (argc < 3) | |
537 | usage (); | |
538 | ||
539 | spec = argv[2]; | |
540 | argv += 2; | |
541 | argc -= 2; | |
542 | } | |
543 | else | |
544 | { | |
545 | spec = &argv[1][2]; | |
546 | argv += 1; | |
547 | argc += 1; | |
548 | } | |
28f367c4 UD |
549 | } |
550 | else | |
551 | { | |
552 | char default_name[getconf_dirlen + sizeof "/default"]; | |
553 | memcpy (mempcpy (default_name, getconf_dir, getconf_dirlen), | |
13d91a6e | 554 | "/default", sizeof "/default"); |
28f367c4 UD |
555 | int len = readlink (default_name, buf, sizeof buf - 1); |
556 | if (len > 0) | |
557 | { | |
558 | buf[len] = '\0'; | |
559 | spec = buf; | |
560 | } | |
561 | } | |
d20f21a2 | 562 | |
28f367c4 UD |
563 | /* Check for the specifications we know. */ |
564 | if (spec != NULL) | |
565 | { | |
7910c2ae | 566 | size_t i; |
d20f21a2 | 567 | for (i = 0; i < nspecs; ++i) |
28f367c4 | 568 | if (strcmp (spec, specs[i].name) == 0) |
d20f21a2 UD |
569 | break; |
570 | ||
571 | if (i == nspecs) | |
572 | error (2, 0, _("unknown specification \"%s\""), spec); | |
573 | ||
28f367c4 UD |
574 | switch (specs[i].num) |
575 | { | |
d7e64365 | 576 | # ifndef _XBS5_ILP32_OFF32 |
26b62243 | 577 | case _SC_XBS5_ILP32_OFF32: |
d7e64365 SP |
578 | # endif |
579 | # ifndef _XBS5_ILP32_OFFBIG | |
26b62243 | 580 | case _SC_XBS5_ILP32_OFFBIG: |
d7e64365 SP |
581 | # endif |
582 | # ifndef _XBS5_LP64_OFF64 | |
26b62243 | 583 | case _SC_XBS5_LP64_OFF64: |
d7e64365 SP |
584 | # endif |
585 | # ifndef _XBS5_LPBIG_OFFBIG | |
26b62243 | 586 | case _SC_XBS5_LPBIG_OFFBIG: |
d7e64365 SP |
587 | # endif |
588 | # ifndef _POSIX_V6_ILP32_OFF32 | |
28f367c4 | 589 | case _SC_V6_ILP32_OFF32: |
d7e64365 SP |
590 | # endif |
591 | # ifndef _POSIX_V6_ILP32_OFFBIG | |
28f367c4 | 592 | case _SC_V6_ILP32_OFFBIG: |
d7e64365 SP |
593 | # endif |
594 | # ifndef _POSIX_V6_LP64_OFF64 | |
28f367c4 | 595 | case _SC_V6_LP64_OFF64: |
d7e64365 SP |
596 | # endif |
597 | # ifndef _POSIX_V6_LPBIG_OFFBIG | |
28f367c4 | 598 | case _SC_V6_LPBIG_OFFBIG: |
d7e64365 SP |
599 | # endif |
600 | # ifndef _POSIX_V7_ILP32_OFF32 | |
26b62243 | 601 | case _SC_V7_ILP32_OFF32: |
d7e64365 SP |
602 | # endif |
603 | # ifndef _POSIX_V7_ILP32_OFFBIG | |
26b62243 | 604 | case _SC_V7_ILP32_OFFBIG: |
d7e64365 SP |
605 | # endif |
606 | # ifndef _POSIX_V7_LP64_OFF64 | |
26b62243 | 607 | case _SC_V7_LP64_OFF64: |
d7e64365 SP |
608 | # endif |
609 | # ifndef _POSIX_V7_LPBIG_OFFBIG | |
26b62243 | 610 | case _SC_V7_LPBIG_OFFBIG: |
d7e64365 | 611 | # endif |
28f367c4 UD |
612 | { |
613 | const char *args[argc + 3]; | |
614 | size_t spec_len = strlen (spec); | |
13d91a6e | 615 | char getconf_name[getconf_dirlen + 1 + spec_len + 1]; |
28f367c4 | 616 | memcpy (mempcpy (mempcpy (getconf_name, getconf_dir, |
13d91a6e UD |
617 | getconf_dirlen), |
618 | "/", 1), spec, spec_len + 1); | |
28f367c4 UD |
619 | args[0] = argv0; |
620 | args[1] = "-v"; | |
621 | args[2] = spec; | |
622 | memcpy (&args[3], &argv[1], argc * sizeof (argv[1])); | |
623 | execv (getconf_name, (char * const *) args); | |
624 | error (4, errno, _("Couldn't execute %s"), getconf_name); | |
625 | } | |
626 | default: | |
627 | break; | |
628 | } | |
d20f21a2 | 629 | } |
d7e64365 | 630 | #endif |
d20f21a2 | 631 | |
9a593383 UD |
632 | if (argc > 1 && strcmp (argv[1], "-a") == 0) |
633 | { | |
634 | if (argc == 2) | |
635 | print_all ("/"); | |
636 | else if (argc == 3) | |
637 | print_all (argv[2]); | |
638 | else | |
639 | usage (); | |
640 | } | |
641 | ||
02bf610c UD |
642 | int ai = 1; |
643 | if (argc > ai && strcmp (argv[ai], "--") == 0) | |
644 | ++ai; | |
645 | ||
646 | if (argc - ai < 1 || argc - ai > 2) | |
28f540f4 RM |
647 | usage (); |
648 | ||
649 | for (c = vars; c->name != NULL; ++c) | |
02bf610c | 650 | if (strcmp (c->name, argv[ai]) == 0 |
bb958f59 | 651 | || (strncmp (c->name, "_POSIX_", 7) == 0 |
02bf610c | 652 | && strcmp (c->name + 7, argv[ai]) == 0)) |
28f540f4 RM |
653 | { |
654 | long int value; | |
655 | size_t clen; | |
656 | char *cvalue; | |
657 | switch (c->call) | |
658 | { | |
659 | case PATHCONF: | |
02bf610c | 660 | if (argc - ai < 2) |
28f540f4 | 661 | usage (); |
2eb45444 | 662 | errno = 0; |
02bf610c | 663 | value = pathconf (argv[ai + 1], c->call_name); |
28f540f4 | 664 | if (value == -1) |
2eb45444 UD |
665 | { |
666 | if (errno) | |
02bf610c | 667 | error (3, errno, "pathconf: %s", argv[ai + 1]); |
2eb45444 UD |
668 | else |
669 | puts (_("undefined")); | |
670 | } | |
671 | else | |
672 | printf ("%ld\n", value); | |
28f540f4 RM |
673 | exit (0); |
674 | ||
675 | case SYSCONF: | |
02bf610c | 676 | if (argc - ai > 1) |
28f540f4 RM |
677 | usage (); |
678 | value = sysconf (c->call_name); | |
e4cf5070 | 679 | if (value == -1l) |
6e4c40ba UD |
680 | { |
681 | if (c->call_name == _SC_UINT_MAX | |
682 | || c->call_name == _SC_ULONG_MAX) | |
683 | printf ("%lu\n", value); | |
684 | else | |
685 | puts (_("undefined")); | |
686 | } | |
e4cf5070 UD |
687 | else |
688 | printf ("%ld\n", value); | |
28f540f4 RM |
689 | exit (0); |
690 | ||
691 | case CONFSTR: | |
02bf610c | 692 | if (argc - ai > 1) |
28f540f4 RM |
693 | usage (); |
694 | clen = confstr (c->call_name, (char *) NULL, 0); | |
695 | cvalue = (char *) malloc (clen); | |
696 | if (cvalue == NULL) | |
036cc82f RM |
697 | error (3, 0, _("memory exhausted")); |
698 | ||
28f540f4 | 699 | if (confstr (c->call_name, cvalue, clen) != clen) |
036cc82f RM |
700 | error (3, errno, "confstr"); |
701 | ||
28f540f4 RM |
702 | printf ("%.*s\n", (int) clen, cvalue); |
703 | exit (0); | |
704 | } | |
705 | } | |
706 | ||
02bf610c | 707 | error (2, 0, _("Unrecognized variable `%s'"), argv[ai]); |
036cc82f RM |
708 | /* NOTREACHED */ |
709 | return 2; | |
28f540f4 | 710 | } |