X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=db-odbc%2Fodbc-api.lisp;h=0f27b5767ee3087ec26101ac78bc34e84fdf823c;hb=a9f57540c378329f627b5b3bd2a2991689638331;hp=a15d628f8c3c82120ed7cbf7e91f00ba5f6465b2;hpb=d107be8f0cad113b96b6cfe443cc4d7c08126db4;p=clsql.git

diff --git a/db-odbc/odbc-api.lisp b/db-odbc/odbc-api.lisp
index a15d628..0f27b57 100644
--- a/db-odbc/odbc-api.lisp
+++ b/db-odbc/odbc-api.lisp
@@ -939,3 +939,35 @@ as possible second argument) to the desired representation of date/time/timestam
 (defun %list-tables (hstmt)
   (with-error-handling (:hstmt hstmt)
     (SQLTables hstmt +null-ptr+ 0 +null-ptr+ 0 +null-ptr+ 0 +null-ptr+ 0)))
+
+(defun %list-data-sources (henv)
+  (let ((dsn (allocate-foreign-string (1+ $SQL_MAX_DSN_LENGTH)))
+	(desc (allocate-foreign-string 256))
+	(results nil))
+    (unwind-protect
+	 (with-foreign-objects ((dsn-len :short)
+				(desc-len :short))
+	   (let ((res (with-error-handling (:henv henv)
+			(SQLDataSources henv $SQL_FETCH_FIRST dsn
+					(1+ $SQL_MAX_DSN_LENGTH)
+					dsn-len desc 256 desc-len))))
+	     (when (or (eql res $SQL_SUCCESS)
+		       (eql res $SQL_SUCCESS_WITH_INFO))
+	       (push (convert-from-foreign-string dsn) results))
+	     
+	     (do ((res (with-error-handling (:henv henv)
+			 (SQLDataSources henv $SQL_FETCH_NEXT dsn
+					 (1+ $SQL_MAX_DSN_LENGTH)
+					 dsn-len desc 256 desc-len))
+		       (with-error-handling (:henv henv)
+			 (SQLDataSources henv $SQL_FETCH_NEXT dsn
+					 (1+ $SQL_MAX_DSN_LENGTH)
+					 dsn-len desc 256 desc-len))))
+		 ((not (or (eql res $SQL_SUCCESS)
+			   (eql res $SQL_SUCCESS_WITH_INFO))))
+	       (push (convert-from-foreign-string dsn) results))))
+      (progn
+	(free-foreign-object dsn)
+	(free-foreign-object desc)))
+    (nreverse results)))
+