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st: Bail out on clipboard requests if there is no text.

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If a selection request happens through foreign means, the selected
text is NULL, and a crash happens.

https://bugzilla.gnome.org/show_bug.cgi?id=738314
This commit is contained in:
Carlos Garnacho 2014-10-10 19:12:27 +02:00
parent 72c6f0025d
commit eaec459ee9
1 changed files with 2 additions and 1 deletions
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3
src/st/st-clipboard.c
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@ -119,7 +119,8 @@ st_clipboard_provider (GdkXEvent *xevent_p,
XSelectionRequestEvent *req_event; XSelectionRequestEvent *req_event;
GdkDisplay *display = gdk_display_get_default (); GdkDisplay *display = gdk_display_get_default ();
if (xev->type != SelectionRequest) if (xev->type != SelectionRequest ||
!clipboard->priv->clipboard_text)
return GDK_FILTER_CONTINUE; return GDK_FILTER_CONTINUE;
req_event = &xev->xselectionrequest; req_event = &xev->xselectionrequest;