CodeSonar : Irssi : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2085.2085
Procedure:	get_optional_channel
Trace:	View
Modified:	Wed Sep 2 11:51:06 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

			/u1/paul/SATE/2010/c/irssi/irssi-0.8.14/src/core/commands.c

			Enter get_optional_channel

static const char *

get_optional_channel(WI_ITEM_REC *active_item, char **data, int require_name)

{

CHANNEL_REC *chanrec;

const char *ret;

char *tmp, *origtmp, *channel;

if (active_item == NULL) {

/* no active channel in window, channel required */

return cmd_get_param(data );

}

origtmp = tmp = g_strdup(*data);

if (strcmp(channel, "*") == 0 && !require_name) { /* Null Pointer Dereference */

Preconditions

$param_1 != 0

Postconditions

active_item' = $param_1
channel' = 0
data' = $param_2
origtmp' = 0
require_name' = $param_3
tmp' = 0