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Irssi : Irssi analysis 1 : Null Pointer Dereference  at mainwindows.c:197

Categories: LANG.MEM.NPD CWE:476
Warning ID: 2379.2390
Procedure: mainwindow_create
Trace: View
Modified: Wed Sep 2 12:22:33 2009   show details
 
Priority: None
State: None
Finding: None
Owner: None
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Warning Location
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Parse Error
Other Warning
Two or More Loop Iterations
On Execution Path
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Warning Location Contributes Parse Error
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Source  |  Language: C Hide Legend     
ProblemLineSource
   /u1/paul/SATE/2010/c/irssi/irssi-0.8.14/src/fe-text/gui-windows.c
   Enter gui_window_created
 68 static void gui_window_created(WINDOW_REC *window, void *automatic) 
 69 {
 70         MAIN_WINDOW_REC *parent;
 71         int new_parent;
 72  
 73         g_return_if_fail(window != NULL);
 74  
 75         new_parent = window_create_override == 0 || 
 76                 window_create_override == 2 || 
true77                 active_win == NULL || WINDOW_GUI(active_win) == NULL;
active_win->gui_data <= 409578         parent = !new_parent ? WINDOW_MAIN(active_win) : mainwindow_create();
     /u1/paul/SATE/2010/c/irssi/irssi-0.8.14/src/fe-text/mainwindows.c
     Enter gui_window_created / mainwindow_create
 181   MAIN_WINDOW_REC *mainwindow_create(void) 
 182   {
 183           MAIN_WINDOW_REC *rec, *parent;
 184           int space;
 185    
 186           rec = g_new0(MAIN_WINDOW_REC, 1);
 187           rec->dirty = TRUE;
 188           rec->width = term_width;
 189    
 190           if (mainwindows == NULL) {
 191                   active_mainwin = rec;
 192    
 193                   rec->first_line = screen_reserved_top;
 194                   rec->last_line = term_height-1 - screen_reserved_bottom;
 195                   rec->height = rec->last_line-rec->first_line+1;
 196           } else {
active_win->gui_data <= 4095197                   parent = WINDOW_MAIN(active_win);     /* Null Pointer Dereference */
     Exit gui_window_created / mainwindow_create
Preconditions 
$param_1 != 0
&$unknown_3333018 = 1
&$unknown_3333019 = 64
active_win->gui_data = 0
mainwindows != 0
window_create_override != 0
window_create_override != 2
Postconditions 
_g_boolean_var_' = 1
((char*)&$unknown_3333020)[28]' = term_width
((char*)&$unknown_3333020)[60]' = 1
automatic' = $param_2
new_parent' = &$unknown_3333018
rec' = &$unknown_3333020
window' = $param_1



Change Warning 2379.2390 : Null Pointer Dereference

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