Bug#775511: unace-nonfree: hangs if stdin is /dev/null

[Jakub Wilk]

Control: tags -1 + patch
Control: severity -1 minor

* Fabian Greffrath <fab...@greffrath.com>, 2015-01-17, 13:00:
If you redirect stdin to /dev/null, unace just hangs forever:
To be honest, I am not really sure what to do about this. :/

This code is bizarre... But the attached patch should do the trick.

But anyway, it's not a big deal, since it shouldn't affect normal users. 
I adjusted severity accordingly.

--
Jakub Wilk
--- a/source/apps/exe/input/lin.c
+++ b/source/apps/exe/input/lin.c
@@ -40,6 +40,10 @@ BOOL    APPS_EXE_INPUT_KeyHit(void)
 fd_set fds;
 struct timeval tv;
 
+  if (!isatty(0))
+  {
+    return 0;
+  }
   FD_ZERO(&fds);
   FD_SET(0, &fds);
   tv.tv_sec = 0;