r9438: avoid making new pointers

diff --git a/db-oracle/oracle-sql.lisp b/db-oracle/oracle-sql.lisp
index f4eb28376ffed8801178ecf4587ddf0e0ee1a184..aedff1bab29dc4cb5889f0f75cdb634f0f3e4dca 100644 (file)
--- a/db-oracle/oracle-sql.lisp
+++ b/db-oracle/oracle-sql.lisp
@@ -36,6 +36,13 @@ likely that we'll have to worry about the CMUCL limit."))
 
 ;; constants - from OCI?
 
+(defvar +unsigned-char-null-pointer+
+  (uffi:make-null-pointer :unsigned-char))
+(defvar +unsigned-short-null-pointer+
+  (uffi:make-null-pointer :unsigned-short))
+(defvar +unsigned-int-null-pointer+
+  (uffi:make-null-pointer :unsigned-int))
+
 (defconstant +var-not-in-list+       1007)
 (defconstant +no-data-found+         1403)
 (defconstant +null-value-returned+   1405)
@@ -414,7 +421,7 @@ the length of that format.")
                    (value
                     (let* ((arb (foreign-resource-buffer (cd-indicators cd)))
                            (indicator (uffi:deref-array arb '(:array :short) irow)))
-                      ;; b(declare (type short-array arb))
+                      ;;(declare (type short-array arb))
                       (unless (= indicator -1)
                         (ecase (cd-oci-data-type cd)
                           (#.SQLT-STR  
@@ -454,7 +461,7 @@ the length of that format.")
              (oci-attr-get (deref-vp (qc-stmthp qc))
                           +oci-htype-stmt+
                            rowcount 
-                          (uffi:make-null-pointer :unsigned-long)
+                          +unsigned-int-null-pointer+
                           +oci-attr-row-count+ 
                            (deref-vp errhp))
              (setf (qc-n-from-oci qc)
@@ -498,7 +505,7 @@ the length of that format.")
         (oci-attr-get (deref-vp stmthp) 
                      +oci-htype-stmt+ 
                       stmttype
-                     (uffi:make-null-pointer :unsigned-int)
+                     +unsigned-int-null-pointer+
                      +oci-attr-stmt-type+ 
                       (deref-vp errhp)
                      :database db)
@@ -623,7 +630,7 @@ the length of that format.")
          (oci-attr-get (deref-vp parmdp)
                        +oci-dtype-param+ 
                        dtype-foreign
-                       (uffi:make-null-pointer :unsigned-int)
+                       +unsigned-int-null-pointer+
                        +oci-attr-data-type+
                        (deref-vp errhp))
          (let ((dtype (uffi:deref-pointer dtype-foreign :unsigned-short)))
@@ -636,13 +643,13 @@ the length of that format.")
               (oci-attr-get (deref-vp parmdp)
                             +oci-dtype-param+
                             precision
-                            (uffi:make-null-pointer :unsigned-int)
+                            +unsigned-int-null-pointer+
                             +oci-attr-precision+
                             (deref-vp errhp))
               (oci-attr-get (deref-vp parmdp)
                             +oci-dtype-param+
                             scale
-                            (uffi:make-null-pointer :unsigned-int)
+                            +unsigned-int-null-pointer+
                             +oci-attr-scale+
                             (deref-vp errhp))
               (let ((*scale (uffi:deref-pointer scale :byte))
@@ -665,7 +672,7 @@ the length of that format.")
               (oci-attr-get (deref-vp parmdp)
                             +oci-dtype-param+ 
                             colsize
-                            (uffi:make-null-pointer :unsigned-int) ;;  (uffi:pointer-address colsizesize) 
+                            +unsigned-int-null-pointer+
                             +oci-attr-data-size+
                             (deref-vp errhp))
               (let ((colsize-including-null (1+ (uffi:deref-pointer colsize :unsigned-long))))
@@ -707,7 +714,7 @@ the length of that format.")
                                 sizeof
                                 dtype
                                 (foreign-resource-buffer indicators)
-                                (uffi:make-null-pointer :unsigned-short)
+                                +unsigned-short-null-pointer+
                                 (foreign-resource-buffer retcodes)
                                 +oci-default+))))))))