xref: /OK3568_Linux_fs/buildroot/package/evemu/0002-evemu-Update-struct-input_event.patch (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1From 30973c0bc053b2198cafb1899a0843688d5bb541 Mon Sep 17 00:00:00 2001
2From: Deepa Dinamani <deepa.kernel@gmail.com>
3Date: Mon, 15 Jan 2018 17:18:49 -0800
4Subject: [PATCH] evemu: Update struct input_event
5
6The struct input_event is not y2038 safe.
7Update the struct according to the kernel patch:
8https://lkml.org/lkml/2018/1/6/324
9
10Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
11Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
12[Retrieved from:
13https://gitlab.freedesktop.org/libevdev/evemu/-/commit/30973c0bc053b2198cafb1899a0843688d5bb541]
14Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
15---
16 src/evemu.c | 35 +++++++++++++++++++++++------------
17 1 file changed, 23 insertions(+), 12 deletions(-)
18
19diff --git a/src/evemu.c b/src/evemu.c
20index a8a949b..c7ff561 100644
21--- a/src/evemu.c
22+++ b/src/evemu.c
23@@ -771,7 +771,7 @@ int evemu_write_event(FILE *fp, const struct input_event *ev)
24 {
25 	int rc;
26 	rc = fprintf(fp, "E: %lu.%06u %04x %04x %04d	",
27-		     ev->time.tv_sec, (unsigned)ev->time.tv_usec,
28+		     ev->input_event_sec, (unsigned)ev->input_event_usec,
29 		     ev->type, ev->code, ev->value);
30 	rc += write_event_desc(fp, ev);
31 	return rc;
32@@ -800,13 +800,19 @@ int evemu_record(FILE *fp, int fd, int ms)
33 		if (ret < 0)
34 			return ret;
35 		if (ret == sizeof(ev)) {
36+			struct timeval tv;
37 			long time;
38
39+			tv.tv_sec = ev.input_event_sec;
40+			tv.tv_usec = ev.input_event_usec;
41+
42 			if (offset == 0)
43-				offset = time_to_long(&ev.time) - 1;
44+				offset = time_to_long(&tv) - 1;
45
46-			time = time_to_long(&ev.time);
47-			ev.time = long_to_time(time - offset);
48+			time = time_to_long(&tv);
49+			tv = long_to_time(time - offset);
50+			ev.input_event_sec = tv.tv_sec;
51+			ev.input_event_usec = tv.tv_usec;
52 			evemu_write_event(fp, &ev);
53 			fflush(fp);
54 		}
55@@ -839,8 +845,8 @@ int evemu_read_event(FILE *fp, struct input_event *ev)
56 		return -1;
57 	}
58
59-	ev->time.tv_sec = sec;
60-	ev->time.tv_usec = usec;
61+	ev->input_event_sec = sec;
62+	ev->input_event_usec = usec;
63 	ev->type = type;
64 	ev->code = code;
65 	ev->value = value;
66@@ -852,8 +858,8 @@ out:
67
68 int evemu_create_event(struct input_event *ev, int type, int code, int value)
69 {
70-	ev->time.tv_sec = 0;
71-	ev->time.tv_usec = 0;
72+	ev->input_event_sec = 0;
73+	ev->input_event_usec = 0;
74 	ev->type = type;
75 	ev->code = code;
76 	ev->value = value;
77@@ -873,6 +879,7 @@ static inline unsigned long us2s(unsigned long us)
78 int evemu_read_event_realtime(FILE *fp, struct input_event *ev,
79 			      struct timeval *evtime)
80 {
81+	struct timeval tv;
82 	unsigned long usec;
83 	const unsigned long ERROR_MARGIN = 150; /* µs */
84 	int ret;
85@@ -882,14 +889,18 @@ int evemu_read_event_realtime(FILE *fp, struct input_event *ev,
86 		return ret;
87
88 	if (evtime) {
89-		if (evtime->tv_sec == 0 && evtime->tv_usec == 0)
90-			*evtime = ev->time;
91-		usec = time_to_long(&ev->time) - time_to_long(evtime);
92+		if (evtime->tv_sec == 0 && evtime->tv_usec == 0) {
93+			evtime->tv_sec = ev->input_event_sec;
94+			evtime->tv_usec = ev->input_event_usec;
95+		}
96+		tv.tv_sec = ev->input_event_sec;
97+		tv.tv_usec = ev->input_event_usec;
98+		usec = time_to_long(&tv) - time_to_long(evtime);
99 		if (usec > ERROR_MARGIN * 2) {
100 			if (usec > s2us(10))
101 				error(INFO, "Sleeping for %lds.\n", us2s(usec));
102 			usleep(usec - ERROR_MARGIN);
103-			*evtime = ev->time;
104+			*evtime = tv;
105 		}
106 	}
107
108--
1092.24.1
110
111