PJ_DEF(void) pj_cis_add_cis( pj_cis_t *cis, const pj_cis_t *rhs)
{
int i;
for (i=0; i<256; ++i) {
if (PJ_CIS_ISSET(rhs, i))
PJ_CIS_SET(cis, i);
}
}
PJ_DEF(void) pj_cis_invert( pj_cis_t *cis )
{
unsigned i;
/* Can not set zero. This is the requirement of the parser. */
for (i=1; i<256; ++i) {
if (PJ_CIS_ISSET(cis,i))
PJ_CIS_CLR(cis,i);
else
PJ_CIS_SET(cis,i);
}
}
PJ_DEF(pj_status_t) pj_cis_dup( pj_cis_t *new_cis, pj_cis_t *existing)
{
pj_status_t status;
unsigned i;
/* Warning: typecasting here! */
status = pj_cis_init((pj_cis_buf_t*)existing->cis_buf, new_cis);
if (status != PJ_SUCCESS)
return status;
for (i=0; i<256; ++i) {
if (PJ_CIS_ISSET(existing, i))
PJ_CIS_SET(new_cis, i);
else
PJ_CIS_CLR(new_cis, i);
}
return PJ_SUCCESS;
}
