Fix a comment; this includes describing an additional way in which we

could fail to open the capture file.

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@38695 f5534014-38df-0310-8fa8-9805f1628bb7

diff --git a/capture_sync.c b/capture_sync.c
index 8ef2ed148a53802bc72747320b02cad54333cce2..156e9ed31e0709ac7e6ada17858f817346844819 100644 (file)
--- a/capture_sync.c
+++ b/capture_sync.c
@@ -1612,11 +1612,19 @@ sync_pipe_input_cb(gint source, gpointer user_data)
                alerted. Close the sync pipe. */
             ws_close(source);
 
-            /* the child has send us a filename which we couldn't open.
-               this probably means, the child is creating files faster than we can handle it.
-               this should only be the case for very fast file switches
-               we can't do much more than telling the child to stop
-               (this is the "emergency brake" if user e.g. wants to switch files every second) */
+            /* The child has sent us a filename which we couldn't open.
+
+               This could mean that the child is creating files faster
+              than we can handle it.  (XXX - why would that result in
+              a failure to open the file?)
+
+               That should only be the case for very fast file switches;
+               We can't do much more than telling the child to stop.
+               (This is the "emergency brake" if the user e.g. wants to
+              switch files every second). */
+
+               This can also happen if the user specified "-", meaning
+               "standard output", as the capture file. */
             sync_pipe_stop(capture_opts);
             capture_input_closed(capture_opts, NULL);
             return FALSE;