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Annotation of src/lib/libc/gen/uname.c, Revision 1.8

1.8     ! mycroft     1: /*     $NetBSD: uname.c,v 1.7 1999/09/20 04:39:06 lukem Exp $  */
1.2       cgd         2:
1.1       cgd         3: /*-
                      4:  * Copyright (c) 1994
                      5:  *     The Regents of the University of California.  All rights reserved.
                      6:  *
                      7:  * Redistribution and use in source and binary forms, with or without
                      8:  * modification, are permitted provided that the following conditions
                      9:  * are met:
                     10:  * 1. Redistributions of source code must retain the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer.
                     12:  * 2. Redistributions in binary form must reproduce the above copyright
                     13:  *    notice, this list of conditions and the following disclaimer in the
                     14:  *    documentation and/or other materials provided with the distribution.
                     15:  * 3. All advertising materials mentioning features or use of this software
                     16:  *    must display the following acknowledgement:
                     17:  *     This product includes software developed by the University of
                     18:  *     California, Berkeley and its contributors.
                     19:  * 4. Neither the name of the University nor the names of its contributors
                     20:  *    may be used to endorse or promote products derived from this software
                     21:  *    without specific prior written permission.
                     22:  *
                     23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     33:  * SUCH DAMAGE.
                     34:  */
                     35:
1.3       christos   36: #include <sys/cdefs.h>
1.1       cgd        37: #if defined(LIBC_SCCS) && !defined(lint)
1.2       cgd        38: #if 0
1.1       cgd        39: static char sccsid[] = "@(#)uname.c    8.1 (Berkeley) 1/4/94";
1.2       cgd        40: #else
1.8     ! mycroft    41: __RCSID("$NetBSD: uname.c,v 1.7 1999/09/20 04:39:06 lukem Exp $");
1.2       cgd        42: #endif
1.1       cgd        43: #endif /* LIBC_SCCS and not lint */
                     44:
1.4       jtc        45: #include "namespace.h"
1.1       cgd        46: #include <sys/param.h>
                     47: #include <sys/sysctl.h>
                     48: #include <sys/utsname.h>
1.4       jtc        49:
1.6       lukem      50: #include <assert.h>
                     51: #include <errno.h>
                     52:
1.4       jtc        53: #ifdef __weak_alias
1.8     ! mycroft    54: __weak_alias(uname,_uname)
1.4       jtc        55: #endif
1.1       cgd        56:
                     57: int
                     58: uname(name)
                     59:        struct utsname *name;
                     60: {
                     61:        int mib[2], rval;
                     62:        size_t len;
                     63:        char *p;
                     64:
                     65:        rval = 0;
1.6       lukem      66:
                     67:        _DIAGASSERT(name != NULL);
1.1       cgd        68:
                     69:        mib[0] = CTL_KERN;
                     70:        mib[1] = KERN_OSTYPE;
                     71:        len = sizeof(name->sysname);
                     72:        if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1)
                     73:                rval = -1;
                     74:
                     75:        mib[0] = CTL_KERN;
                     76:        mib[1] = KERN_HOSTNAME;
                     77:        len = sizeof(name->nodename);
                     78:        if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1)
                     79:                rval = -1;
                     80:
                     81:        mib[0] = CTL_KERN;
                     82:        mib[1] = KERN_OSRELEASE;
                     83:        len = sizeof(name->release);
                     84:        if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1)
                     85:                rval = -1;
                     86:
                     87:        /* The version may have newlines in it, turn them into spaces. */
                     88:        mib[0] = CTL_KERN;
                     89:        mib[1] = KERN_VERSION;
                     90:        len = sizeof(name->version);
                     91:        if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1)
                     92:                rval = -1;
                     93:        else
1.5       thorpej    94:                for (p = name->version; len--; ++p) {
                     95:                        if (*p == '\n' || *p == '\t') {
1.1       cgd        96:                                if (len > 1)
                     97:                                        *p = ' ';
                     98:                                else
                     99:                                        *p = '\0';
1.5       thorpej   100:                        }
                    101:                }
1.1       cgd       102:
                    103:        mib[0] = CTL_HW;
                    104:        mib[1] = HW_MACHINE;
                    105:        len = sizeof(name->machine);
                    106:        if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1)
                    107:                rval = -1;
                    108:        return (rval);
                    109: }