Function makeStringInfoFromData

gpcontrib/gp_sparse_vector/SparseData.c:151–159

* make a StringInfo from a data pointer and length */

 * make a StringInfo from a data pointer and length
 */
StringInfo makeStringInfoFromData(char *data,int len) {
	StringInfo sinfo;
	sinfo = (StringInfo)palloc(sizeof(StringInfoData));
	sinfo->data   = data;
	sinfo->len    = len;
	sinfo->maxlen = len;
	sinfo->cursor = 0;
	return sinfo;
}
/*------------------------------------------------------------------------------
 * Convert a double[] to a SparseData compressed format, representing duplicate
 * values in the double[] by a count and a single value.