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irssi-0.8.14 : irssi-0.8.14 analysis 2 : Null Test After Dereference  at fe-messages.c:272

Categories: LANG.STRUCT.NTAD
Warning ID: 7452.28414
Procedure: sig_message_own_public
Trace: view
Modified: Thu Nov 26 11:09:31 2009   show details
 
Priority: None
State: None
Finding: None
Owner: None
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Source  |  Language: C Hide Legend     
LineSource
  /kat0/fletcher/SATE/2010/irssi-0.8.14/src/fe-common/core/fe-messages.c
  Enter sig_message_own_public
251 static void sig_message_own_public(SERVER_REC *server, const char *msg,
252                                    const char *target) 
253 {
254         WINDOW_REC *window;
255         CHANNEL_REC *channel;
256         char *nickmode;
257         char *freemsg = NULL;
258         int print_channel;
259         channel = channel_find(server, target);
260         if (channel != NULL)
261                 target = channel->visible_name;
262  
263         nickmode = channel_get_nickmode(channel, server->nick);
264  
265         window = channel == NULL ? NULL : 
266                 window_item_window((WI_ITEM_REC *) channel);
267  
268         print_channel = window == NULL || 
269                 window->active != (WI_ITEM_REC *) channel;
270  
271         if (!print_channel && settings_get_bool("print_active_channel") &&
272             window != NULL && g_slist_length(window->items) > 1)     /* Null Test After Dereference */
273                 print_channel = TRUE;
274  
275         if (settings_get_bool("emphasis"))
276                 msg = freemsg = expand_emphasis((WI_ITEM_REC *) channel, msg);
277  
278         if (!print_channel) {
279                 printformat(server, target, MSGLEVEL_PUBLIC | MSGLEVEL_NOHILIGHT | MSGLEVEL_NO_ACT,
280                             TXT_OWN_MSG, server->nick, msg, nickmode);
281         } else {
282                 printformat(server, target, MSGLEVEL_PUBLIC | MSGLEVEL_NOHILIGHT | MSGLEVEL_NO_ACT,
283                             TXT_OWN_MSG_CHANNEL, server->nick, target, msg, nickmode);
284         }
285  
286         g_free_not_null(nickmode);
287         g_free_not_null(freemsg);
288 } 




Change Warning 7452.28414 : Null Test After Dereference

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