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/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: sysctl.c,v 1.4 2002/02/16 21:27:23 millert Exp $";
#endif /* LIBC_SCCS and not lint */
#include <sys/param.h>
#include <sys/sysctl.h>
#include <errno.h>
#include <limits.h>
#include <paths.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int __sysctl(int *, u_int, void *, size_t *, void *, size_t);
int
sysctl(name, namelen, oldp, oldlenp, newp, newlen)
int *name;
u_int namelen;
void *oldp;
size_t *oldlenp;
void *newp;
size_t newlen;
{
if (name[0] != CTL_USER)
return (__sysctl(name, namelen, oldp, oldlenp, newp, newlen));
if (newp != NULL) {
errno = EPERM;
return (-1);
}
if (namelen != 2) {
errno = EINVAL;
return (-1);
}
switch (name[1]) {
case USER_CS_PATH:
if (oldp && *oldlenp < sizeof(_PATH_STDPATH))
return (ENOMEM);
*oldlenp = sizeof(_PATH_STDPATH);
if (oldp != NULL)
memmove(oldp, _PATH_STDPATH, sizeof(_PATH_STDPATH));
return (0);
}
if (oldp && *oldlenp < sizeof(int))
return (ENOMEM);
*oldlenp = sizeof(int);
if (oldp == NULL)
return (0);
switch (name[1]) {
case USER_BC_BASE_MAX:
*(int *)oldp = BC_BASE_MAX;
return (0);
case USER_BC_DIM_MAX:
*(int *)oldp = BC_DIM_MAX;
return (0);
case USER_BC_SCALE_MAX:
*(int *)oldp = BC_SCALE_MAX;
return (0);
case USER_BC_STRING_MAX:
*(int *)oldp = BC_STRING_MAX;
return (0);
case USER_COLL_WEIGHTS_MAX:
*(int *)oldp = COLL_WEIGHTS_MAX;
return (0);
case USER_EXPR_NEST_MAX:
*(int *)oldp = EXPR_NEST_MAX;
return (0);
case USER_LINE_MAX:
*(int *)oldp = LINE_MAX;
return (0);
case USER_RE_DUP_MAX:
*(int *)oldp = RE_DUP_MAX;
return (0);
case USER_POSIX2_VERSION:
*(int *)oldp = _POSIX2_VERSION;
return (0);
case USER_POSIX2_C_BIND:
#ifdef POSIX2_C_BIND
*(int *)oldp = 1;
#else
*(int *)oldp = 0;
#endif
return (0);
case USER_POSIX2_C_DEV:
#ifdef POSIX2_C_DEV
*(int *)oldp = 1;
#else
*(int *)oldp = 0;
#endif
return (0);
case USER_POSIX2_CHAR_TERM:
#ifdef POSIX2_CHAR_TERM
*(int *)oldp = 1;
#else
*(int *)oldp = 0;
#endif
return (0);
case USER_POSIX2_FORT_DEV:
#ifdef POSIX2_FORT_DEV
*(int *)oldp = 1;
#else
*(int *)oldp = 0;
#endif
return (0);
case USER_POSIX2_FORT_RUN:
#ifdef POSIX2_FORT_RUN
*(int *)oldp = 1;
#else
*(int *)oldp = 0;
#endif
return (0);
case USER_POSIX2_LOCALEDEF:
#ifdef POSIX2_LOCALEDEF
*(int *)oldp = 1;
#else
*(int *)oldp = 0;
#endif
return (0);
case USER_POSIX2_SW_DEV:
#ifdef POSIX2_SW_DEV
*(int *)oldp = 1;
#else
*(int *)oldp = 0;
#endif
return (0);
case USER_POSIX2_UPE:
#ifdef POSIX2_UPE
*(int *)oldp = 1;
#else
*(int *)oldp = 0;
#endif
return (0);
case USER_STREAM_MAX:
*(int *)oldp = FOPEN_MAX;
return (0);
case USER_TZNAME_MAX:
*(int *)oldp = NAME_MAX;
return (0);
default:
errno = EINVAL;
return (-1);
}
/* NOTREACHED */
}
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