tdf#105142 set default charset to UTF8

Change-Id: I47dd18a141949f94903297f6e011e7956587b400
Reviewed-on: https://gerrit.libreoffice.org/33663Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Lionel Elie Mamane <lionel@mamane.lu>

connectivity/source/drivers/firebird/Connection.cxx

@@ -240,7 +240,7 @@ void Connection::construct(const ::rtl::OUString& url, const Sequence< PropertyV
             }
         }
 
-        char dpbBuffer[1 + 3 + 257 + 257 ]; // Expand as needed
+        char dpbBuffer[1 + 3 + 257 + 257 + 5 ]; // Expand as needed
         int dpbLength = 0;
         {
             char* dpb;
@@ -253,6 +253,15 @@ void Connection::construct(const ::rtl::OUString& url, const Sequence< PropertyV
             *dpb++ = isc_dpb_sql_dialect;
             *dpb++ = 1; // 1 byte long
             *dpb++ = FIREBIRD_SQL_DIALECT;
+
+            // set UTF8 as default character set
+            const char sCharset[] = "UTF8";
+            *dpb++ = isc_dpb_set_db_charset;
+            int nCharsetLength = sizeof(sCharset) - 1;
+            *dpb++ = (char) nCharsetLength;
+            strcpy(dpb, sCharset);
+            dpb+= nCharsetLength;
+
             // Do any more dpbBuffer additions here
 
             if (m_bIsEmbedded || m_bIsFile)