bulk.c: Address some implicit conversion warnings.

Cast away harmless discrepancies, mostly by taking advantage of
TDS_PUT_BYTE.

Signed-off-by: Aaron M. Ucko <[email protected]>

Author: ucko

src/tds/bulk.c

@@ -507,7 +507,7 @@ tds5_send_record(TDSSOCKET *tds, TDSBCPINFO *bcpinfo,
 				return rc;
 			/* unknown but zero */
 			tds_put_smallint(tds, 0);
-			tds_put_byte(tds, bindcol->on_server.column_type);
+			TDS_PUT_BYTE(tds, bindcol->on_server.column_type);
 			tds_put_byte(tds, 0xff - bcpinfo->blob_cols);
 			/*
 			 * offset of txptr we stashed during variable
@@ -742,7 +742,7 @@ tds5_bcp_add_variable_columns(TDSBCPINFO *bcpinfo, tds_bcp_get_col_data get_col_
 		 * Is this column of "variable" type, i.e. NULLable
 		 * or naturally variable length e.g. VARCHAR
 		 */
-		if (bcpinfo->sybase_count > i) {
+		if (bcpinfo->sybase_count > (TDS_INT) i) {
 			if (bcpinfo->sybase_colinfo[i].offset >= 0)
 				continue;
 		} else {
@@ -916,7 +916,7 @@ tds7_bcp_send_colmetadata(TDSSOCKET *tds, TDSBCPINFO *bcpinfo)
 		else
 			tds_put_smallint(tds, bcpcol->column_usertype);
 		tds_put_smallint(tds, bcpcol->column_flags);
-		tds_put_byte(tds, bcpcol->on_server.column_type);
+		TDS_PUT_BYTE(tds, bcpcol->on_server.column_type);
 
 		assert(bcpcol->funcs);
 		bcpcol->funcs->put_info(tds, bcpcol);