3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #if defined(LIBC_SCCS) && !defined(lint)
31 static char sccsid[] = "@(#)sysctl.c 8.2 (Berkeley) 1/4/94";
32 #endif /* LIBC_SCCS and not lint */
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 #include <sys/param.h>
37 #include <sys/sysctl.h>
46 extern int __sysctl(const int *name, u_int namelen, void *oldp,
47 size_t *oldlenp, const void *newp, size_t newlen);
50 sysctl(const int *name, u_int namelen, void *oldp, size_t *oldlenp,
51 const void *newp, size_t newlen)
55 retval = __sysctl(name, namelen, oldp, oldlenp, newp, newlen);
56 if (retval != -1 || errno != ENOENT || name[0] != CTL_USER)
70 if (oldp && *oldlenp < sizeof(_PATH_STDPATH)) {
74 *oldlenp = sizeof(_PATH_STDPATH);
76 memmove(oldp, _PATH_STDPATH, sizeof(_PATH_STDPATH));
80 if (oldp && *oldlenp < sizeof(int)) {
84 *oldlenp = sizeof(int);
89 case USER_BC_BASE_MAX:
90 *(int *)oldp = BC_BASE_MAX;
93 *(int *)oldp = BC_DIM_MAX;
95 case USER_BC_SCALE_MAX:
96 *(int *)oldp = BC_SCALE_MAX;
98 case USER_BC_STRING_MAX:
99 *(int *)oldp = BC_STRING_MAX;
101 case USER_COLL_WEIGHTS_MAX:
102 *(int *)oldp = COLL_WEIGHTS_MAX;
104 case USER_EXPR_NEST_MAX:
105 *(int *)oldp = EXPR_NEST_MAX;
108 *(int *)oldp = LINE_MAX;
110 case USER_RE_DUP_MAX:
111 *(int *)oldp = RE_DUP_MAX;
113 case USER_POSIX2_VERSION:
114 *(int *)oldp = _POSIX2_VERSION;
116 case USER_POSIX2_C_BIND:
123 case USER_POSIX2_C_DEV:
130 case USER_POSIX2_CHAR_TERM:
131 #ifdef POSIX2_CHAR_TERM
137 case USER_POSIX2_FORT_DEV:
138 #ifdef POSIX2_FORT_DEV
144 case USER_POSIX2_FORT_RUN:
145 #ifdef POSIX2_FORT_RUN
151 case USER_POSIX2_LOCALEDEF:
152 #ifdef POSIX2_LOCALEDEF
158 case USER_POSIX2_SW_DEV:
165 case USER_POSIX2_UPE:
172 case USER_STREAM_MAX:
173 *(int *)oldp = FOPEN_MAX;
175 case USER_TZNAME_MAX:
176 *(int *)oldp = NAME_MAX;