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Annotation of src/lib/libc/gen/uname.c, Revision 1.10

1.10    ! cbiere      1: /*     $NetBSD: uname.c,v 1.9 2003/08/07 16:42:59 agc 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.
1.9       agc        15:  * 3. Neither the name of the University nor the names of its contributors
1.1       cgd        16:  *    may be used to endorse or promote products derived from this software
                     17:  *    without specific prior written permission.
                     18:  *
                     19:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     20:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     21:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     22:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     23:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     24:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     25:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     26:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     27:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     28:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     29:  * SUCH DAMAGE.
                     30:  */
                     31:
1.3       christos   32: #include <sys/cdefs.h>
1.1       cgd        33: #if defined(LIBC_SCCS) && !defined(lint)
1.2       cgd        34: #if 0
1.1       cgd        35: static char sccsid[] = "@(#)uname.c    8.1 (Berkeley) 1/4/94";
1.2       cgd        36: #else
1.10    ! cbiere     37: __RCSID("$NetBSD: uname.c,v 1.9 2003/08/07 16:42:59 agc Exp $");
1.2       cgd        38: #endif
1.1       cgd        39: #endif /* LIBC_SCCS and not lint */
                     40:
1.4       jtc        41: #include "namespace.h"
1.1       cgd        42: #include <sys/param.h>
                     43: #include <sys/sysctl.h>
                     44: #include <sys/utsname.h>
1.4       jtc        45:
1.6       lukem      46: #include <assert.h>
                     47: #include <errno.h>
                     48:
1.4       jtc        49: #ifdef __weak_alias
1.8       mycroft    50: __weak_alias(uname,_uname)
1.4       jtc        51: #endif
1.1       cgd        52:
                     53: int
                     54: uname(name)
                     55:        struct utsname *name;
                     56: {
1.10    ! cbiere     57:        int mib[2];
1.1       cgd        58:        size_t len;
                     59:        char *p;
                     60:
1.6       lukem      61:        _DIAGASSERT(name != NULL);
1.1       cgd        62:
                     63:        mib[0] = CTL_KERN;
                     64:        mib[1] = KERN_OSTYPE;
                     65:        len = sizeof(name->sysname);
                     66:        if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1)
1.10    ! cbiere     67:                goto error;
1.1       cgd        68:
                     69:        mib[0] = CTL_KERN;
                     70:        mib[1] = KERN_HOSTNAME;
                     71:        len = sizeof(name->nodename);
                     72:        if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1)
1.10    ! cbiere     73:                goto error;
1.1       cgd        74:
                     75:        mib[0] = CTL_KERN;
                     76:        mib[1] = KERN_OSRELEASE;
                     77:        len = sizeof(name->release);
                     78:        if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1)
1.10    ! cbiere     79:                goto error;
1.1       cgd        80:
                     81:        mib[0] = CTL_KERN;
                     82:        mib[1] = KERN_VERSION;
                     83:        len = sizeof(name->version);
                     84:        if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1)
1.10    ! cbiere     85:                goto error;
        !            86:
        !            87:        /* The version may have newlines in it, turn them into spaces. */
        !            88:        for (p = name->version; len--; ++p) {
        !            89:                if (*p == '\n' || *p == '\t') {
        !            90:                        if (len > 1)
        !            91:                                *p = ' ';
        !            92:                        else
        !            93:                                *p = '\0';
1.5       thorpej    94:                }
1.10    ! cbiere     95:        }
1.1       cgd        96:
                     97:        mib[0] = CTL_HW;
                     98:        mib[1] = HW_MACHINE;
                     99:        len = sizeof(name->machine);
                    100:        if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1)
1.10    ! cbiere    101:                goto error;
        !           102:        return (0);
        !           103:
        !           104: error:
        !           105:        return (-1);
1.1       cgd       106: }

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