From be22b15ae2ff8d7fe06b6e14fddf0c5b444a95da Mon Sep 17 00:00:00 2001 From: rgrimes Date: Fri, 27 May 1994 05:00:24 +0000 Subject: BSD 4.4 Lite Lib Sources --- lib/libc/gen/sysctl.c | 177 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 177 insertions(+) create mode 100644 lib/libc/gen/sysctl.c (limited to 'lib/libc/gen/sysctl.c') diff --git a/lib/libc/gen/sysctl.c b/lib/libc/gen/sysctl.c new file mode 100644 index 0000000..f67a533 --- /dev/null +++ b/lib/libc/gen/sysctl.c @@ -0,0 +1,177 @@ +/*- + * 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 sccsid[] = "@(#)sysctl.c 8.2 (Berkeley) 1/4/94"; +#endif /* LIBC_SCCS and not lint */ + +#include +#include + +#include +#include +#include +#include +#include + +int +sysctl(name, namelen, oldp, oldlenp, newp, newlen) + int *name; + u_int namelen; + void *oldp, *newp; + size_t *oldlenp, 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 */ +} -- cgit v1.1