size_t
dcesafeindex(DCEsegment* seg, size_t start, size_t stop)
{
size_t safe;
if(!seg->slicesdefined) return stop; /* actually, we don't know */
if(stop == 0) return stop;
/* watch out because safe is unsigned */
for(safe=stop-1;safe>start;safe--) {
if(!dceiswholeslice(&seg->slices[safe])) return safe+1;
}
return dceiswholeslice(&seg->slices[start]) ? start /*every slice is safe*/
: start+1 ;
}
int
dceiswholesegment(DCEsegment* seg)
{
int i,whole;
if(!seg->slicesdefined) return 0; /* actually, we don't know */
whole = 1; /* assume so */
for(i=0;i<seg->rank;i++) {
if(!dceiswholeslice(&seg->slices[i])) {whole = 0; break;}
}
return whole;
}
