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 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 #if defined(LIBC_SCCS) && !defined(lint)
35 static char sccsid[] = "@(#)sysctl.c 8.2 (Berkeley) 1/4/94";
36 #endif /* LIBC_SCCS and not lint */
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
40 #include <sys/param.h>
41 #include <sys/sysctl.h>
50 extern int __sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp,
51 void *newp, size_t newlen);
54 sysctl(name, namelen, oldp, oldlenp, newp, newlen)
58 size_t *oldlenp, newlen;
60 if (name[0] != CTL_USER)
61 return (__sysctl(name, namelen, oldp, oldlenp, newp, newlen));
74 if (oldp && *oldlenp < sizeof(_PATH_STDPATH)) {
78 *oldlenp = sizeof(_PATH_STDPATH);
80 memmove(oldp, _PATH_STDPATH, sizeof(_PATH_STDPATH));
84 if (oldp && *oldlenp < sizeof(int)) {
88 *oldlenp = sizeof(int);
93 case USER_BC_BASE_MAX:
94 *(int *)oldp = BC_BASE_MAX;
97 *(int *)oldp = BC_DIM_MAX;
99 case USER_BC_SCALE_MAX:
100 *(int *)oldp = BC_SCALE_MAX;
102 case USER_BC_STRING_MAX:
103 *(int *)oldp = BC_STRING_MAX;
105 case USER_COLL_WEIGHTS_MAX:
106 *(int *)oldp = COLL_WEIGHTS_MAX;
108 case USER_EXPR_NEST_MAX:
109 *(int *)oldp = EXPR_NEST_MAX;
112 *(int *)oldp = LINE_MAX;
114 case USER_RE_DUP_MAX:
115 *(int *)oldp = RE_DUP_MAX;
117 case USER_POSIX2_VERSION:
118 *(int *)oldp = _POSIX2_VERSION;
120 case USER_POSIX2_C_BIND:
127 case USER_POSIX2_C_DEV:
134 case USER_POSIX2_CHAR_TERM:
135 #ifdef POSIX2_CHAR_TERM
141 case USER_POSIX2_FORT_DEV:
142 #ifdef POSIX2_FORT_DEV
148 case USER_POSIX2_FORT_RUN:
149 #ifdef POSIX2_FORT_RUN
155 case USER_POSIX2_LOCALEDEF:
156 #ifdef POSIX2_LOCALEDEF
162 case USER_POSIX2_SW_DEV:
169 case USER_POSIX2_UPE:
176 case USER_STREAM_MAX:
177 *(int *)oldp = FOPEN_MAX;
179 case USER_TZNAME_MAX:
180 *(int *)oldp = NAME_MAX;