]> granicus.if.org Git - strace/blob - rtc.c
wait: move fallback definitions of wait options to xlat/
[strace] / rtc.c
1 /*
2  * Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
3  * Copyright (c) 2004 Dmitry V. Levin <ldv@altlinux.org>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  */
28
29 #include "defs.h"
30 #include <linux/ioctl.h>
31 #include <linux/rtc.h>
32
33 static void
34 print_rtc_time(struct tcb *tcp, const struct rtc_time *rt)
35 {
36         tprintf("{tm_sec=%d, tm_min=%d, tm_hour=%d, "
37                 "tm_mday=%d, tm_mon=%d, tm_year=%d, ",
38                 rt->tm_sec, rt->tm_min, rt->tm_hour,
39                 rt->tm_mday, rt->tm_mon, rt->tm_year);
40         if (!abbrev(tcp))
41                 tprintf("tm_wday=%d, tm_yday=%d, tm_isdst=%d}",
42                         rt->tm_wday, rt->tm_yday, rt->tm_isdst);
43         else
44                 tprints("...}");
45 }
46
47 static void
48 decode_rtc_time(struct tcb *tcp, const long addr)
49 {
50         struct rtc_time rt;
51
52         tprints(", ");
53         if (!umove_or_printaddr(tcp, addr, &rt))
54                 print_rtc_time(tcp, &rt);
55 }
56
57 static void
58 decode_rtc_wkalrm(struct tcb *tcp, const long addr)
59 {
60         struct rtc_wkalrm wk;
61
62         tprints(", ");
63         if (!umove_or_printaddr(tcp, addr, &wk)) {
64                 tprintf("{enabled=%d, pending=%d, ", wk.enabled, wk.pending);
65                 print_rtc_time(tcp, &wk.time);
66                 tprints("}");
67         }
68 }
69
70 int
71 rtc_ioctl(struct tcb *tcp, const unsigned int code, const long arg)
72 {
73         switch (code) {
74         case RTC_ALM_SET:
75         case RTC_SET_TIME:
76                 decode_rtc_time(tcp, arg);
77                 break;
78         case RTC_ALM_READ:
79         case RTC_RD_TIME:
80                 if (entering(tcp))
81                         return 0;
82                 decode_rtc_time(tcp, arg);
83                 break;
84         case RTC_IRQP_SET:
85         case RTC_EPOCH_SET:
86                 tprintf(", %lu", arg);
87                 break;
88         case RTC_IRQP_READ:
89         case RTC_EPOCH_READ:
90                 if (entering(tcp))
91                         return 0;
92                 tprints(", ");
93                 printnum_long(tcp, arg, "%lu");
94                 break;
95         case RTC_WKALM_SET:
96                 decode_rtc_wkalrm(tcp, arg);
97                 break;
98         case RTC_WKALM_RD:
99                 if (entering(tcp))
100                         return 0;
101                 decode_rtc_wkalrm(tcp, arg);
102                 break;
103 #ifdef RTC_VL_READ
104         case RTC_VL_READ:
105                 if (entering(tcp))
106                         return 0;
107                 tprints(", ");
108                 printnum_int(tcp, arg, "%d");
109                 break;
110 #endif
111         default:
112                 return RVAL_DECODED;
113         }
114
115         return RVAL_DECODED | 1;
116 }