rem: s = ns_malloc(dsPtr->length+1); memcpy(s, dsPtr->string, dsPtr->length+1);
add: s = ns_malloc((size_t)dsPtr->length+1); memcpy(s, dsPtr->string, (size_t)(dsPtr->length+1));
context: Ns_DStringExport(Ns_DString *dsPtr){    char *s;    if (dsPtr->string != dsPtr->staticSpace) {	s = dsPtr->string;	dsPtr->string = dsPtr->staticSpace;    } else {	s = ns_malloc(dsPtr->length+1);	memcpy(s, dsPtr->string, dsPtr->length+1);      }    Ns_DStringFree(dsPtr);    return s;}