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      1 /*
      2  * Copyright (c) 1991, 1992 Paul Kranenburg <pk (at) cs.few.eur.nl>
      3  * Copyright (c) 1993 Branko Lankester <branko (at) hacktic.nl>
      4  * Copyright (c) 1993-1996 Rick Sladkey <jrs (at) world.std.com>
      5  * Copyright (c) 1996-1999 Wichert Akkerman <wichert (at) cistron.nl>
      6  * Copyright (c) 2012-2015 Dmitry V. Levin <ldv (at) altlinux.org>
      7  * All rights reserved.
      8  *
      9  * Redistribution and use in source and binary forms, with or without
     10  * modification, are permitted provided that the following conditions
     11  * are met:
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  * 2. Redistributions in binary form must reproduce the above copyright
     15  *    notice, this list of conditions and the following disclaimer in the
     16  *    documentation and/or other materials provided with the distribution.
     17  * 3. The name of the author may not be used to endorse or promote products
     18  *    derived from this software without specific prior written permission.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     21  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     22  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     23  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     24  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     25  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     29  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "defs.h"
     33 
     34 #include <sys/utsname.h>
     35 
     36 SYS_FUNC(uname)
     37 {
     38 	struct utsname uname;
     39 
     40 	if (entering(tcp))
     41 		return 0;
     42 
     43 	if (!umove_or_printaddr(tcp, tcp->u_arg[0], &uname)) {
     44 #define PRINT_UTS_MEMBER(prefix, member) \
     45 		tprints(prefix #member "="); \
     46 		print_quoted_string(uname.member, sizeof(uname.member), \
     47 				    QUOTE_0_TERMINATED)
     48 
     49 		PRINT_UTS_MEMBER("{", sysname);
     50 		PRINT_UTS_MEMBER(", ", nodename);
     51 		if (abbrev(tcp)) {
     52 			tprints(", ...}");
     53 			return 0;
     54 		}
     55 		PRINT_UTS_MEMBER(", ", release);
     56 		PRINT_UTS_MEMBER(", ", version);
     57 		PRINT_UTS_MEMBER(", ", machine);
     58 #ifdef HAVE_STRUCT_UTSNAME_DOMAINNAME
     59 		PRINT_UTS_MEMBER(", ", domainname);
     60 #endif
     61 		tprints("}");
     62 	}
     63 
     64 	return 0;
     65 }
     66