CodeSonar : irssi-0.8.14 : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	5895.28280
Procedure:	stristr
Trace:	view
Modified:	Thu Nov 26 11:08:29 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

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

			Enter recode_update_charset

	185		void recode_update_charset(void)
	186		{

const char *charset = settings_get_str("term_charset");

	188		term_is_utf8 = !g_ascii_strcasecmp(charset, "UTF-8");
	189		g_free(translit_charset);

if (settings_get_bool("recode_transliterate") && !is_translit(charset ))

					Enter recode_update_charset / is_translit

	36				static gboolean is_translit(const char *charset)
	37				{
	38				char *pos;
	39

pos = stristr(charset, "//translit");

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

							Enter recode_update_charset / is_translit / stristr

char *stristr(const char *data, const char *key)

{

const char *max;

int keylen, datalen, pos;

keylen = strlen(key);

datalen = strlen(data); /* Null Pointer Dereference */

							Exit recode_update_charset / is_translit / stristr

					Exit recode_update_charset / is_translit

Preconditions

&$unknown_101130 != 0

Postconditions

charset' = 0
charset' = 0
data' = 0
key' = &#string0[0]
keylen' = 10
term_is_utf8' = 1