Function add_pv_context

pvar.c:6034–6074

function to register a pv context getter */

/* function to register a pv context getter */
static pv_context_t* add_pv_context(const str* name, pv_contextf_t get_context)
{
	pv_context_t* pvc = pv_context_lst;
	pv_context_t* pvc_new, *pvc_prev;

	if(pvc == NULL)
	{
		pvc_new = new_pv_context(name, get_context);
		if(pvc_new == NULL)
		{
			LM_ERR("Failed to allocate context\n");
			return 0;
		}
		pv_context_lst = pvc_new;
		return pvc_new;
	}

	while(pvc)
	{
		if(pvc->name.len == name->len && strncmp(pvc->name.s, name->s, name->len)==0)
		{
			LM_ERR("PV Context already registered [%.*s]\n", name->len, name->s);
			return 0;
		}
		pvc_prev = pvc;
		pvc = pvc->next;
	}

	pvc_new = new_pv_context(name, get_context);
	if(pvc_new == NULL)
	{
		LM_ERR("Failed to allocate context\n");
		return 0;
	}

	LM_DBG("Registered new context: %.*s\n", name->len, name->s);

	pvc_prev->next = pvc_new;

	return pvc_new;
}

static pv_context_t* pv_get_context(const str* name)
{