From: Dan Nicolaescu <dann@ics.uci.edu>
Subject: Problem report #22
Date: Mon, 10 Apr 2006 11:58:58 -0700 [thread overview]
Message-ID: <200604101858.k3AIwwXM005636@scanner2.ics.uci.edu> (raw)
CID: 22
Checker: FORWARD_NULL (help)
File: emacs/src/xselect.c
Function: x_get_window_property_as_lisp_data
Description: Variable "data" tracked as NULL was passed to a function that dereferences it.
Event var_compare_op: Added "data" due to comparison "data == 0"
Also see events: [var_deref_op][var_deref_model][var_deref_model][var_deref_model]
At conditional (1): "data == 0" taking true path
1713 if (! data)
1714 {
1715 int there_is_a_selection_owner;
1716 BLOCK_INPUT;
1717 there_is_a_selection_owner
1718 = XGetSelectionOwner (display, selection_atom);
At conditional (2): "interrupt_input_blocked == 0" taking true path
At conditional (3): "interrupt_input_pending != 0" taking true path
At conditional (4): "pending_atimers != 0" taking true path
At conditional (5): "0" taking false path
1719 UNBLOCK_INPUT;
At conditional (6): "there_is_a_selection_owner != 0" taking true path
At conditional (7): "actual_type != 0" taking true path
1720 Fsignal (Qerror,
1721 there_is_a_selection_owner
1722 ? Fcons (build_string ("selection owner couldn't convert"),
1723 actual_type
1724 ? Fcons (target_type,
1725 Fcons (x_atom_to_symbol (display,
1726 actual_type),
1727 Qnil))
1728 : Fcons (target_type, Qnil))
1729 : Fcons (build_string ("no selection"),
1730 Fcons (x_atom_to_symbol (display,
1731 selection_atom),
1732 Qnil)));
1733 }
1734
At conditional (8): "actual_type == (dpyinfo)->Xatom_INCR" taking false path
1735 if (actual_type == dpyinfo->Xatom_INCR)
1736 {
1737 /* That wasn't really the data, just the beginning. */
1738
Event var_deref_op: Variable "data" tracked as NULL was dereferenced.
Also see events: [var_compare_op][var_deref_model][var_deref_model][var_deref_model]
next reply other threads:[~2006-04-10 18:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-04-10 18:58 Dan Nicolaescu [this message]
2006-04-10 19:47 ` Problem report #22 Stuart D. Herring
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