Function pv_parse_index

pvar.c:3991–4047

}

int pv_parse_index(pv_spec_p sp, const str *in)
{
	char *p;
	char *s;
	int sign;
	pv_spec_p nsp = 0;

	if(in==NULL || in->s==NULL || sp==NULL)
		return -1;
	p = in->s;
	if(*p==PV_MARKER)
	{
		nsp = (pv_spec_p)pkg_malloc(sizeof(pv_spec_t));
		if(nsp==NULL)
		{
			LM_ERR("no more memory\n");
			return -1;
		}
		memset(nsp, 0, sizeof(pv_spec_t));
		s = pv_parse_spec(in, nsp);
		if(s==NULL)
		{
			LM_ERR("invalid index [%.*s]\n", in->len, in->s);
			pv_spec_free(nsp);
			return -1;
		}
		sp->pvp.pvi.type = PV_IDX_PVAR;
		sp->pvp.pvi.u.dval = (void*)nsp;
		return 0;
	}
	if(*p=='*' && in->len==1)
	{
		sp->pvp.pvi.type = PV_IDX_ALL;
		return 0;
	}
	sign = 1;
	if(*p=='-')
	{
		sign = -1;
		p++;
	}
	sp->pvp.pvi.u.ival = 0;
	while(p<in->s+in->len && *p>='0' && *p<='9')
	{
		sp->pvp.pvi.u.ival = sp->pvp.pvi.u.ival * 10 + *p - '0';
		p++;
	}
	if(p!=in->s+in->len)
	{
		LM_ERR("invalid index [%.*s]\n", in->len, in->s);
		return -1;
	}
	sp->pvp.pvi.u.ival *= sign;
	sp->pvp.pvi.type = PV_IDX_INT;

	return 0;
}