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1 /*
2  * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
3  * 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. The name of the author may not be used to endorse or promote products
14  *    derived from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #include "defs.h"
29 #ifdef HAVE_USTAT_H
30 # include DEF_MPERS_TYPE(struct_ustat)
31 # include <ustat.h>
32 typedef struct ustat struct_ustat;
33 #endif /* HAVE_USTAT_H */
34 
35 #include MPERS_DEFS
36 
SYS_FUNC(ustat)37 SYS_FUNC(ustat)
38 {
39 	if (entering(tcp))
40 		print_dev_t((unsigned int) tcp->u_arg[0]);
41 	else {
42 		tprints(", ");
43 #ifdef HAVE_USTAT_H
44 		struct_ustat ust;
45 
46 		if (!umove_or_printaddr(tcp, tcp->u_arg[1], &ust))
47 			tprintf("{f_tfree=%llu, f_tinode=%llu}",
48 				zero_extend_signed_to_ull(ust.f_tfree),
49 				zero_extend_signed_to_ull(ust.f_tinode));
50 #else /* !HAVE_USTAT_H */
51 		printaddr(tcp->u_arg[1]);
52 #endif /* HAVE_USTAT_H */
53 	}
54 
55 	return 0;
56 }
57