Function Cvar_Unset

code/qcommon/cvar.cpp:1099–1132

*/

cvar_t *Cvar_Unset(cvar_t *cv)
{
	cvar_t *next = cv->next;

	// note what types of cvars have been modified (userinfo, archive, serverinfo, systeminfo)
	cvar_modifiedFlags |= cv->flags;

	if(cv->name)
		Cvar_FreeString(cv->name);
	if(cv->string)
		Cvar_FreeString(cv->string);
	if(cv->latchedString)
		Cvar_FreeString(cv->latchedString);
	if(cv->resetString)
		Cvar_FreeString(cv->resetString);

	if(cv->prev)
		cv->prev->next = cv->next;
	else
		cvar_vars = cv->next;
	if(cv->next)
		cv->next->prev = cv->prev;

	if(cv->hashPrev)
		cv->hashPrev->hashNext = cv->hashNext;
	else
		hashTable[cv->hashIndex] = cv->hashNext;
	if(cv->hashNext)
		cv->hashNext->hashPrev = cv->hashPrev;

	memset(cv, 0, sizeof(*cv));

	return next;
}

/*
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