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author | jenglish <jenglish@flightlab.com> | 2010-10-11 21:35:27 (GMT) |
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committer | jenglish <jenglish@flightlab.com> | 2010-10-11 21:35:27 (GMT) |
commit | 77bf3ab590b4d2db7dfef2295444b5ef0f0d6723 (patch) | |
tree | 1ed7927ca375d0f312bc0e5a8667669b4aba4199 /generic/ttk | |
parent | 83e899ada1765ac80098a4c4cd80d0a8e0b04da0 (diff) | |
download | tk-77bf3ab590b4d2db7dfef2295444b5ef0f0d6723.zip tk-77bf3ab590b4d2db7dfef2295444b5ef0f0d6723.tar.gz tk-77bf3ab590b4d2db7dfef2295444b5ef0f0d6723.tar.bz2 |
Fix crash in 'tag add' / 'tag remove' when no -tags specified [SF#3085489].
Diffstat (limited to 'generic/ttk')
-rw-r--r-- | generic/ttk/ttkTreeview.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/generic/ttk/ttkTreeview.c b/generic/ttk/ttkTreeview.c index 58ff7f0..fca8aa7 100644 --- a/generic/ttk/ttkTreeview.c +++ b/generic/ttk/ttkTreeview.c @@ -1,4 +1,4 @@ -/* $Id: ttkTreeview.c,v 1.23.2.3 2010/09/08 17:57:52 jenglish Exp $ +/* $Id: ttkTreeview.c,v 1.23.2.4 2010/10/11 21:35:27 jenglish Exp $ * Copyright (c) 2004, Joe English * * ttk::treeview widget implementation. @@ -3140,7 +3140,7 @@ static int TreeviewTagNamesCommand( static void AddTag(TreeItem *item, Ttk_Tag tag) { if (Ttk_TagSetAdd(item->tagset, tag)) { - Tcl_DecrRefCount(item->tagsObj); + if (item->tagsObj) Tcl_DecrRefCount(item->tagsObj); item->tagsObj = Ttk_NewTagSetObj(item->tagset); Tcl_IncrRefCount(item->tagsObj); } @@ -3173,12 +3173,12 @@ static int TreeviewTagAddCommand( return TCL_OK; } -/* + $tv tag remove $tag $items +/* + $tv tag remove $tag ?$items? */ static void RemoveTag(TreeItem *item, Ttk_Tag tag) { if (Ttk_TagSetRemove(item->tagset, tag)) { - Tcl_DecrRefCount(item->tagsObj); + if (item->tagsObj) Tcl_DecrRefCount(item->tagsObj); item->tagsObj = Ttk_NewTagSetObj(item->tagset); Tcl_IncrRefCount(item->tagsObj); } |