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Protect gtk_text_view_scroll_mark_onscreen() from using invalid marks

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Suggested by Paolo Borelli.
This commit is contained in:
Kristian Rietveld
2009-09-04 17:40:12 +02:00
parent 5ec80eb5ba
commit a47aadb05e
1 changed files with 5 additions and 0 deletions
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5
gtk/gtktextview.c
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@ -2194,6 +2194,11 @@ gtk_text_view_scroll_mark_onscreen (GtkTextView *text_view,
g_return_if_fail (GTK_IS_TEXT_VIEW (text_view));
g_return_if_fail (GTK_IS_TEXT_MARK (mark));
/* We need to verify that the buffer contains the mark, otherwise this
* can lead to data structure corruption later on.
*/
g_return_if_fail (get_buffer (text_view) == gtk_text_mark_get_buffer (mark));
gtk_text_view_scroll_to_mark (text_view, mark, 0.0, FALSE, 0.0, 0.0);
}