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Fixed crash in the Linux implementation of Joystick, when inotify failed to initialize

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This commit is contained in:
Laurent Gomila 2013-08-15 23:15:11 +02:00
parent 5173f51d52
commit c6767d0af1
1 changed files with 15 additions and 8 deletions
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11
src/SFML/Window/Linux/JoystickImpl.cpp
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@ -52,6 +52,8 @@ namespace
} }
bool canRead(int descriptor) bool canRead(int descriptor)
{
if (descriptor >= 0)
{ {
fd_set set; fd_set set;
FD_ZERO(&set); FD_ZERO(&set);
@ -60,6 +62,11 @@ namespace
return select(descriptor + 1, &set, NULL, NULL, &timeout) > 0 && return select(descriptor + 1, &set, NULL, NULL, &timeout) > 0 &&
FD_ISSET(notifyFd, &set); FD_ISSET(notifyFd, &set);
} }
else
{
return false;
}
}
} }
@ -102,7 +109,7 @@ void JoystickImpl::cleanup()
inotify_rm_watch(notifyFd, inputFd); inotify_rm_watch(notifyFd, inputFd);
// Close the inotify file descriptor // Close the inotify file descriptor
if (inputFd >= 0) if (notifyFd >= 0)
::close(notifyFd); ::close(notifyFd);
} }
@ -120,7 +127,7 @@ bool JoystickImpl::isConnected(unsigned int index)
while (canRead(notifyFd)) while (canRead(notifyFd))
{ {
char buffer[128]; char buffer[128];
read(notifyFd, buffer, sizeof(buffer)); (void)read(notifyFd, buffer, sizeof(buffer));
} }
} }