1: /*-
   2:  * Copyright (c) 1994
   3:  *	The Regents of the University of California.  All rights reserved.
   4:  *
   5:  * Redistribution and use in source and binary forms, with or without
   6:  * modification, are permitted provided that the following conditions
   7:  * are met:
   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.
  20:  *
  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
  31:  * SUCH DAMAGE.
  32:  */
  33: 
  34: #if defined(LIBC_SCCS) && !defined(lint)
  35: static char sccsid[] = "@(#)uname.c	8.1.1 (2.11BSD GTE) 2/4/95";
  36: #endif /* LIBC_SCCS and not lint */
  37: 
  38: #include <sys/param.h>
  39: #include <sys/sysctl.h>
  40: #include <sys/utsname.h>
  41: 
  42: int
  43: uname(name)
  44:     register struct utsname *name;
  45: {
  46:     int mib[2], rval;
  47:     size_t len;
  48:     register char *p;
  49: 
  50:     rval = 0;
  51: 
  52:     mib[0] = CTL_KERN;
  53:     mib[1] = KERN_OSTYPE;
  54:     len = sizeof(name->sysname);
  55:     if (sysctl(mib, 2, &name->sysname, &len, NULL, 0) == -1)
  56:         rval = -1;
  57: 
  58:     mib[0] = CTL_KERN;
  59:     mib[1] = KERN_HOSTNAME;
  60:     len = sizeof(name->nodename);
  61:     if (sysctl(mib, 2, &name->nodename, &len, NULL, 0) == -1)
  62:         rval = -1;
  63: 
  64:     mib[0] = CTL_KERN;
  65:     mib[1] = KERN_OSRELEASE;
  66:     len = sizeof(name->release);
  67:     if (sysctl(mib, 2, &name->release, &len, NULL, 0) == -1)
  68:         rval = -1;
  69: 
  70:     /* The version may have newlines in it, turn them into spaces. */
  71:     mib[0] = CTL_KERN;
  72:     mib[1] = KERN_VERSION;
  73:     len = sizeof(name->version);
  74:     if (sysctl(mib, 2, &name->version, &len, NULL, 0) == -1)
  75:         rval = -1;
  76:     else
  77:         for (p = name->version; len--; ++p)
  78:             if (*p == '\n' || *p == '\t')
  79:                 if (len > 1)
  80:                     *p = ' ';
  81:                 else
  82:                     *p = '\0';
  83: 
  84:     mib[0] = CTL_HW;
  85:     mib[1] = HW_MACHINE;
  86:     len = sizeof(name->machine);
  87:     if (sysctl(mib, 2, &name->machine, &len, NULL, 0) == -1)
  88:         rval = -1;
  89:     return (rval);
  90: }
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