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Possible control flow clarification.

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This commit is contained in:
Camilla Berglund 2014-11-04 21:23:13 +01:00
parent 382133b384
commit 899117e785
1 changed files with 11 additions and 10 deletions
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21
src/linux_joystick.c
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@ -93,7 +93,6 @@ static void pollJoystickEvents(void)
{
#ifdef __linux__
int i;
ssize_t result;
struct js_event e;
for (i = 0; i <= GLFW_JOYSTICK_LAST; i++)
@ -105,19 +104,21 @@ static void pollJoystickEvents(void)
for (;;)
{
errno = 0;
result = read(_glfw.linux_js[i].fd, &e, sizeof(e));
if (errno == ENODEV)
if (read(_glfw.linux_js[i].fd, &e, sizeof(e)) < 0)
{
free(_glfw.linux_js[i].axes);
free(_glfw.linux_js[i].buttons);
free(_glfw.linux_js[i].name);
if (errno == ENODEV)
{
// The joystick was disconnected
memset(&_glfw.linux_js[i], 0, sizeof(_glfw.linux_js[i]));
}
free(_glfw.linux_js[i].axes);
free(_glfw.linux_js[i].buttons);
free(_glfw.linux_js[i].name);
memset(&_glfw.linux_js[i], 0, sizeof(_glfw.linux_js[i]));
}
if (result == -1)
break;
}
// We don't care if it's an init event or not
e.type &= ~JS_EVENT_INIT;