CodeSonar : Irssi : Null Pointer Dereference

Categories:	LANG.MEM.NPD CWE:476
Warning ID:	2099.2100
Procedure:	get_source_host_ip
Trace:	View
Modified:	Wed Sep 2 11:51:12 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/servers-setup.c

			Enter get_source_host_ip

	58		static void get_source_host_ip(void)
	59		{
	60		const char *hostname;
	61		IPADDR ip4, ip6;
	62
	63		if (source_host_ok)
	64		return;
	65
	66		/* FIXME: This will block! */

source_host_ok = *hostname != '\0' && /* Null Pointer Dereference */

Preconditions

source_host_ok = 0

Postconditions

hostname' = 0