static void
tds5_send_msg(TDSSOCKET *tds, TDS_USMALLINT msg_type)
{
tds_put_tinyint(tds, TDS_MSG_TOKEN);
tds_put_tinyint(tds, 3);
tds_put_tinyint(tds, 1);
tds_put_smallint(tds, msg_type);
}
void
tds7_send_result(TDSSOCKET * tds, TDSRESULTINFO * resinfo)
{
int i, j;
TDSCOLUMN *curcol;
/* TDS7+ uses TDS7_RESULT_TOKEN to send column names and info */
tds_put_byte(tds, TDS7_RESULT_TOKEN);
/* send the number of columns */
tds_put_smallint(tds, resinfo->num_cols);
/* send info about each column */
for (i = 0; i < resinfo->num_cols; i++) {
/* usertype, flags, and type */
curcol = resinfo->columns[i];
tds_put_smallint(tds, curcol->column_usertype);
tds_put_smallint(tds, curcol->column_flags);
tds_put_byte(tds, curcol->column_type); /* smallint? */
/* bytes in "size" field varies */
if (is_blob_type(curcol->column_type)) {
tds_put_int(tds, curcol->column_size);
} else if (curcol->column_type>=128) { /*is_large_type*/
tds_put_smallint(tds, curcol->column_size);
} else {
tds_put_tinyint(tds, curcol->column_size);
}
/* some types have extra info */
if (is_numeric_type(curcol->column_type)) {
tds_put_tinyint(tds, curcol->column_prec);
tds_put_tinyint(tds, curcol->column_scale);
} else if (is_blob_type(curcol->column_type)) {
size_t len = tds_dstr_len(&curcol->table_name);
const char *name = tds_dstr_cstr(&curcol->table_name);
tds_put_smallint(tds, 2 * len);
for (j = 0; name[j] != '\0'; j++){
tds_put_byte(tds, name[j]);
tds_put_byte(tds, 0);
}
}
/* finally the name, in UCS16 format */
assert(strlen(curcol->column_name) == curcol->column_namelen);
tds_put_byte(tds, curcol->column_namelen);
for (j = 0; j < curcol->column_namelen; j++) {
tds_put_byte(tds, curcol->column_name[j]);
tds_put_byte(tds, 0);
}
}
}