CodeSonar : Irssi : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2183.2188
Procedure:	modes_join
Trace:	View
Modified:	Wed Sep 2 11:51:49 2009 show details hide details

Legend	[ X ]
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/irc/core/modes.c

			Enter modes_join

char *modes_join(IRC_SERVER_REC *server, const char *old,

const char *mode, int channel)

{

GString *newmode;

char *dup, *modestr, *curmode, type;

type = '+';

newmode = g_string_new(old);

dup = modestr = g_strdup(mode);

while (*curmode != '\0' && *curmode != ' ') { /* Null Pointer Dereference */

Preconditions

$param_3 != 0

Postconditions

_g_boolean_var_' = 1
channel' = $param_4
curmode' = 0
dup' = 0
mode' = $param_3
modestr' = 0
old' = $param_2
server' = $param_1
type' = 43