xref: /aosp_15_r20/external/strace/uname.c (revision cf84ac9a129d8ea9952db616b4e9b904c4bdde56)
1 /*
2  * Copyright (c) 1991, 1992 Paul Kranenburg <[email protected]>
3  * Copyright (c) 1993 Branko Lankester <[email protected]>
4  * Copyright (c) 1993-1996 Rick Sladkey <[email protected]>
5  * Copyright (c) 1996-1999 Wichert Akkerman <[email protected]>
6  * Copyright (c) 2012-2015 Dmitry V. Levin <[email protected]>
7  * Copyright (c) 2014-2017 The strace developers.
8  * All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include "defs.h"
34 #include "print_fields.h"
35 #include <sys/utsname.h>
36 
SYS_FUNC(uname)37 SYS_FUNC(uname)
38 {
39 	struct utsname uname;
40 
41 	if (entering(tcp))
42 		return 0;
43 
44 	if (!umove_or_printaddr(tcp, tcp->u_arg[0], &uname)) {
45 		PRINT_FIELD_CSTRING("{", uname, sysname);
46 		PRINT_FIELD_CSTRING(", ", uname, nodename);
47 		if (abbrev(tcp)) {
48 			tprints(", ...}");
49 			return 0;
50 		}
51 		PRINT_FIELD_CSTRING(", ", uname, release);
52 		PRINT_FIELD_CSTRING(", ", uname, version);
53 		PRINT_FIELD_CSTRING(", ", uname, machine);
54 #ifdef HAVE_STRUCT_UTSNAME_DOMAINNAME
55 		PRINT_FIELD_CSTRING(", ", uname, domainname);
56 #endif
57 		tprints("}");
58 	}
59 
60 	return 0;
61 }
62