From 3ac3aff895ceb466934a2e22641f5340ea6d23f7 Mon Sep 17 00:00:00 2001
From: Lionel Elie Mamane <lionel@mamane.lu>
Date: Fri, 18 Dec 2015 16:54:00 +0100
Subject: tdf#96572 firebird correctly transmit request for NULL

even if column is not nullable

Change-Id: I72ceda68e983125aef26c8f0aacc06320bd16b77
---
 .../source/drivers/firebird/PreparedStatement.cxx        | 10 +++++-----
 connectivity/source/drivers/firebird/Util.cxx            | 16 +++++-----------
 2 files changed, 10 insertions(+), 16 deletions(-)

diff --git a/connectivity/source/drivers/firebird/PreparedStatement.cxx b/connectivity/source/drivers/firebird/PreparedStatement.cxx
index fbc2faea8719..5e3758ae619f 100644
--- a/connectivity/source/drivers/firebird/PreparedStatement.cxx
+++ b/connectivity/source/drivers/firebird/PreparedStatement.cxx
@@ -706,13 +706,13 @@ void OPreparedStatement::setParameterNull(sal_Int32 nParameterIndex,
                                           bool bSetNull)
 {
     XSQLVAR* pVar = m_pInSqlda->sqlvar + (nParameterIndex - 1);
-    if (pVar->sqltype & 1)
+    if (bSetNull)
     {
-        if (bSetNull)
-            *pVar->sqlind = -1;
-        else
-            *pVar->sqlind = 0;
+        pVar->sqltype |= 1;
+        *pVar->sqlind = -1;
     }
+    else
+        *pVar->sqlind = 0;
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/connectivity/source/drivers/firebird/Util.cxx b/connectivity/source/drivers/firebird/Util.cxx
index ddb9d022c3e9..00eb4aa3f62e 100644
--- a/connectivity/source/drivers/firebird/Util.cxx
+++ b/connectivity/source/drivers/firebird/Util.cxx
@@ -254,11 +254,8 @@ void firebird::mallocSQLVAR(XSQLDA* pSqlda)
             assert(false);
             break;
         }
-        if (pVar->sqltype & 1)
-        {
-            /* allocate variable to hold NULL status */
-            pVar->sqlind = static_cast<short *>(malloc(sizeof(short)));
-        }
+        /* allocate variable to hold NULL status */
+        pVar->sqlind = static_cast<short *>(malloc(sizeof(short)));
     }
 }
 
@@ -302,13 +299,10 @@ void firebird::freeSQLVAR(XSQLDA* pSqlda)
             break;
         }
 
-        if (pVar->sqltype & 1)
+        if(pVar->sqlind)
         {
-            if(pVar->sqlind)
-            {
-                free(pVar->sqlind);
-                pVar->sqlind = nullptr;
-            }
+            free(pVar->sqlind);
+            pVar->sqlind = nullptr;
         }
     }
 }
-- 
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