r10547: fix warning

[clsql.git] / sql / utils.lisp

diff --git a/sql/utils.lisp b/sql/utils.lisp
index 8763216a34f951607c1c2c4e1bd4e89c73645518..ef4f990e456afe391266e97f42ebbc14cccc19fe 100644 (file)
--- a/sql/utils.lisp
+++ b/sql/utils.lisp
@@ -52,25 +52,18 @@
 
 (defun sql-escape (identifier)
   "Change hyphens to underscores, ensure string"
-  (let* ((unescaped (etypecase identifier
-                      (symbol (symbol-name identifier))
-                      (string identifier)))
-         (escaped (make-string (length unescaped))))
-    (dotimes (i (length unescaped))
-      (setf (char escaped i)
-            (cond ((equal (char unescaped i) #\-)
-                   #\_)
-                  ;; ...
-                  (t
-                   (char unescaped i)))))
-    escaped))
+  (let ((unescaped (etypecase identifier
+                    (symbol (symbol-name identifier))
+                    (string identifier))))
+    (substitute #\_ #\- unescaped)))
 
 (defmacro without-interrupts (&body body)
-  #+lispworks `(mp:without-preemption ,@body)
   #+allegro `(mp:without-scheduling ,@body)
+  #+clisp `(progn ,@body)
   #+cmu `(system:without-interrupts ,@body)
-  #+sbcl `(sb-sys::without-interrupts ,@body)
-  #+openmcl `(ccl:without-interrupts ,@body))
+  #+lispworks `(mp:without-preemption ,@body)
+  #+openmcl `(ccl:without-interrupts ,@body)
+  #+sbcl `(sb-sys::without-interrupts ,@body))
 
 (defun make-process-lock (name) 
   #+allegro (mp:make-process-lock :name name)
@@ -315,6 +308,17 @@ list of characters and replacement strings."
          (incf dpos))))))
 
 
+(defun getenv (var)
+  "Return the value of the environment variable."
+  #+allegro (sys::getenv (string var))
+  #+clisp (ext:getenv (string var))
+  #+(or cmu scl)
+  (cdr (assoc (string var) ext:*environment-list* :test #'equalp
+              :key #'string))
+  #+lispworks (lw:environment-variable (string var))
+  #+mcl (ccl::getenv var)
+  #+sbcl (sb-ext:posix-getenv var))
+
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (when (char= #\a (schar (symbol-name '#:a) 0))
     (pushnew :clsql-lowercase-reader *features*)))
@@ -334,7 +338,6 @@ list of characters and replacement strings."
     ;; Default CommonSQL behavior is to upcase strings
     (string-upcase str)))
            
-
 (defun ensure-keyword (name)
   "Returns keyword for a name"
   (etypecase name
@@ -344,3 +347,4 @@ list of characters and replacement strings."
 
 (eval-when (:compile-toplevel :load-toplevel :execute)
   (setq cl:*features* (delete :clsql-lowercase-reader cl:*features*)))
+