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kdrive/linux: Try all 32 static evdev device nodes

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Signed-off-by: stefan11111 <stefan11111@shitposting.expert>
This commit is contained in:
stefan11111
2026-01-11 17:52:22 +02:00
committed by Enrico Weigelt
parent 02f1efe2bc
commit a2c58b9934
1 changed files with 19 additions and 24 deletions
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43
hw/kdrive/linux/evdev.c
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@@ -183,40 +183,31 @@ EvdevPtrRead(int evdevPort, void *closure)
}
}
const char *kdefaultEvdev[] = {
"/dev/input/event0",
"/dev/input/event1",
"/dev/input/event2",
"/dev/input/event3",
};
#define NUM_DEFAULT_EVDEV (sizeof (kdefaultEvdev) / sizeof (kdefaultEvdev[0]))
#define NUM_DEFAULT_EVDEV 32
static Status
EvdevPtrInit(KdPointerInfo * pi)
{
int i;
int fd;
if (!pi->path) {
for (i = 0; i < NUM_DEFAULT_EVDEV; i++) {
fd = open(kdefaultEvdev[i], 2);
char default_device[] = "/dev/input/eventxx";
for (int i = 0; i < NUM_DEFAULT_EVDEV; i++) {
sprintf(default_device, "/dev/input/event%d", i);
fd = open(default_device, O_RDWR);
if (fd >= 0) {
pi->path = strdup(kdefaultEvdev[i]);
pi->path = strdup(default_device);
break;
}
}
}
else {
fd = open(pi->path, O_RDWR);
int fd = open(pi->path, O_RDWR);
if (fd < 0) {
ErrorF("Failed to open evdev device %s\n", pi->path);
return BadMatch;
}
close(fd);
}
close(fd);
if (!pi->name)
pi->name = strdup("Evdev mouse");
@@ -372,22 +363,26 @@ EvdevKbdRead(int evdevPort, void *closure)
static Status
EvdevKbdInit(KdKeyboardInfo * ki)
{
int fd;
if (!ki->path) {
ErrorF("Couldn't find evdev device path\n");
return BadValue;
char default_device[] = "/dev/input/eventxx";
for (int i = 0; i < NUM_DEFAULT_EVDEV; i++) {
sprintf(default_device, "/dev/input/event%d", i);
fd = open(default_device, O_RDWR);
if (fd >= 0) {
ki->path = strdup(default_device);
break;
}
}
}
else {
fd = open(ki->path, O_RDWR);
int fd = open(ki->path, O_RDWR);
if (fd < 0) {
ErrorF("Failed to open evdev device %s\n", ki->path);
return BadMatch;
}
close(fd);
}
close(fd);
if (!ki->name)
ki->name = strdup("Evdev keyboard");