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Fixes Bug 1944 - Linux events, joysticks having only hat are not read

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This commit is contained in:
Gabriel Jacobo 2013-11-06 09:48:45 -03:00
parent 1c9cc8c9b7
commit e27248c27e
1 changed files with 6 additions and 2 deletions
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8
src/joystick/linux/SDL_sysjoystick.c
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@ -85,11 +85,14 @@ static int instance_counter = 0;
static int static int
IsJoystick(int fd, char *namebuf, const size_t namebuflen, SDL_JoystickGUID *guid) IsJoystick(int fd, char *namebuf, const size_t namebuflen, SDL_JoystickGUID *guid)
{ {
struct input_id inpid;
Uint16 *guid16 = (Uint16 *) ((char *) &guid->data);
#if !SDL_USE_LIBUDEV
/* When udev is enabled we only get joystick devices here, so there's no need to test them */
unsigned long evbit[NBITS(EV_MAX)] = { 0 }; unsigned long evbit[NBITS(EV_MAX)] = { 0 };
unsigned long keybit[NBITS(KEY_MAX)] = { 0 }; unsigned long keybit[NBITS(KEY_MAX)] = { 0 };
unsigned long absbit[NBITS(ABS_MAX)] = { 0 }; unsigned long absbit[NBITS(ABS_MAX)] = { 0 };
struct input_id inpid;
Uint16 *guid16 = (Uint16 *) ((char *) &guid->data);
if ((ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) || if ((ioctl(fd, EVIOCGBIT(0, sizeof(evbit)), evbit) < 0) ||
(ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) || (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybit)), keybit) < 0) ||
@ -101,6 +104,7 @@ IsJoystick(int fd, char *namebuf, const size_t namebuflen, SDL_JoystickGUID *gui
test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit))) { test_bit(ABS_X, absbit) && test_bit(ABS_Y, absbit))) {
return 0; return 0;
} }
#endif
if (ioctl(fd, EVIOCGNAME(namebuflen), namebuf) < 0) { if (ioctl(fd, EVIOCGNAME(namebuflen), namebuf) < 0) {
return 0; return 0;