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internal/gamepad: refactoring: use unix.InotifyEvent

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This commit is contained in:
Hajime Hoshi 2022-02-04 04:59:40 +09:00
parent ef45058037
commit f6d8f42c36
2 changed files with 11 additions and 19 deletions
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8
internal/gamepad/api_linux.go
View File

@ -76,14 +76,6 @@ func _EVIOCGNAME(len uint) uint {
return _IOC(_IOC_READ, 'E', 0x06, len)
}
type inotify_event struct {
wd int32 // TODO: The original type is C's int. Is it OK to use int32?
mask uint32
cookie uint32
len uint32
name string
}
type input_absinfo struct {
value int32
minimum int32

22
internal/gamepad/gamepad_linux.go
View File

@ -227,26 +227,26 @@ func (g *nativeGamepads) update(gamepads *gamepads) error {
buf = buf[:n]
for len(buf) > 0 {
e := inotify_event{
wd: int32(buf[0]) | int32(buf[1])<<8 | int32(buf[2])<<16 | int32(buf[3])<<24,
mask: uint32(buf[4]) | uint32(buf[5])<<8 | uint32(buf[6])<<16 | uint32(buf[7])<<24,
cookie: uint32(buf[8]) | uint32(buf[9])<<8 | uint32(buf[10])<<16 | uint32(buf[11])<<24,
len: uint32(buf[12]) | uint32(buf[13])<<8 | uint32(buf[14])<<16 | uint32(buf[15])<<24,
e := unix.InotifyEvent{
Wd: int32(buf[0]) | int32(buf[1])<<8 | int32(buf[2])<<16 | int32(buf[3])<<24,
Mask: uint32(buf[4]) | uint32(buf[5])<<8 | uint32(buf[6])<<16 | uint32(buf[7])<<24,
Cookie: uint32(buf[8]) | uint32(buf[9])<<8 | uint32(buf[10])<<16 | uint32(buf[11])<<24,
Len: uint32(buf[12]) | uint32(buf[13])<<8 | uint32(buf[14])<<16 | uint32(buf[15])<<24,
}
e.name = unix.ByteSliceToString(buf[16 : 16+e.len-1]) // len includes the null termiinate.
buf = buf[16+e.len:]
if !reEvent.MatchString(e.name) {
name := unix.ByteSliceToString(buf[16 : 16+e.Len-1]) // len includes the null termiinate.
buf = buf[16+e.Len:]
if !reEvent.MatchString(name) {
continue
}
path := filepath.Join(dirName, e.name)
if e.mask&(unix.IN_CREATE|unix.IN_ATTRIB) != 0 {
path := filepath.Join(dirName, name)
if e.Mask&(unix.IN_CREATE|unix.IN_ATTRIB) != 0 {
if err := g.openGamepad(gamepads, path); err != nil {
return err
}
continue
}
if e.mask&unix.IN_DELETE != 0 {
if e.Mask&unix.IN_DELETE != 0 {
if gp := gamepads.find(func(gamepad *Gamepad) bool {
return gamepad.path == path
}); gp != nil {