X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=sql%2Futils.lisp;h=52ee019943c3250946d6d465bbb3ca94210aaf43;hb=30186614582039bdc3d3f86bc5165ef300c5d3e0;hp=6e4230d84d94486d8448cc9c84f9c89839bd47e4;hpb=bab5e8056e3850cd9fb0582f73955aee5abf010b;p=clsql.git

diff --git a/sql/utils.lisp b/sql/utils.lisp
index 6e4230d..52ee019 100644
--- a/sql/utils.lisp
+++ b/sql/utils.lisp
@@ -16,6 +16,12 @@
 
 (in-package #:clsql-sys)
 
+(defun %get-int (v)
+  (etypecase v
+    (string (parse-integer v :junk-allowed t))
+    (integer v)
+    (number (truncate v))))
+
 (defvar +whitespace-chars+
   '(#\space #\tab #\newline #\return
     ;; Tested: sbcl unicode, allegrocl, openmcl,clisp use #\no-break_space
@@ -125,15 +131,17 @@
   (substitute-string-for-char s #\' "''"))
 
 (defun substitute-string-for-char (procstr match-char subst-str)
-"Substitutes a string for a single matching character of a string"
-  (declare (type string procstr))
-  (let ((pos (position match-char procstr)))
-    (if pos
-        (concatenate 'string
-          (subseq procstr 0 pos) subst-str
-          (substitute-string-for-char
-           (subseq procstr (1+ pos)) match-char subst-str))
-      procstr)))
+  "Substitutes a string for a single matching character of a string"
+  (when procstr
+    (locally
+        (declare (type string procstr))
+      (let ((pos (position match-char procstr)))
+        (if pos
+            (concatenate 'string
+                         (subseq procstr 0 pos) subst-str
+                         (substitute-string-for-char
+                          (subseq procstr (1+ pos)) match-char subst-str))
+            procstr)))))
 
 
 (defun position-char (char string start max)