CodeSonar : irssi-0.8.14 : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	7236.28317
Procedure:	cmd_names
Trace:	view
Modified:	Thu Nov 26 11:08:40 2009 show details hide details

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Warning Location Contributes Parse Error Other Warning Two or More Loop Iterations On Execution Path Comment Macro Preprocessor Include Keyword Preprocessed Away

Source | Language: C

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Problem	Line	Source

			/kat0/fletcher/SATE/2010/irssi-0.8.14/src/irc/core/irc-commands.c

			Enter cmd_names

static void cmd_names(const char *data, IRC_SERVER_REC *server,

WI_ITEM_REC *item)

{

GHashTable *optlist;

char *channel;

void *free_arg;

PARAM_FLAG_GETREST, "names", &optlist, &channel ))

return;

if (strcmp(channel, "*") == 0 || *channel == '\0') {

if (!IS_IRC_CHANNEL (item ))

cmd_param_error (CMDERR_NOT_JOINED );

channel = IRC_CHANNEL (item )->name; /* Null Pointer Dereference */

Preconditions

data != 0
server->connected != 0
*chat_protocols->data != item->chat_type
$unknown_234723 = 0
strlen(&$unknown_234723) = 0

Postconditions

channel' = &$unknown_234723