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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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9
src/linux_joystick.c
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@ -93,7 +93,6 @@ static void pollJoystickEvents(void)
{ {
#ifdef __linux__ #ifdef __linux__
int i; int i;
ssize_t result;
struct js_event e; struct js_event e;
for (i = 0; i <= GLFW_JOYSTICK_LAST; i++) for (i = 0; i <= GLFW_JOYSTICK_LAST; i++)
@ -105,10 +104,12 @@ static void pollJoystickEvents(void)
for (;;) for (;;)
{ {
errno = 0; errno = 0;
result = read(_glfw.linux_js[i].fd, &e, sizeof(e)); if (read(_glfw.linux_js[i].fd, &e, sizeof(e)) < 0)
{
if (errno == ENODEV) if (errno == ENODEV)
{ {
// The joystick was disconnected
free(_glfw.linux_js[i].axes); free(_glfw.linux_js[i].axes);
free(_glfw.linux_js[i].buttons); free(_glfw.linux_js[i].buttons);
free(_glfw.linux_js[i].name); free(_glfw.linux_js[i].name);
@ -116,8 +117,8 @@ static void pollJoystickEvents(void)
memset(&_glfw.linux_js[i], 0, sizeof(_glfw.linux_js[i])); memset(&_glfw.linux_js[i], 0, sizeof(_glfw.linux_js[i]));
} }
if (result == -1)
break; break;
}
// We don't care if it's an init event or not // We don't care if it's an init event or not
e.type &= ~JS_EVENT_INIT; e.type &= ~JS_EVENT_INIT;