Index: trunk/kernel/include/db.class.php
===================================================================
diff -u -r912 -r1566
--- trunk/kernel/include/db.class.php	(.../db.class.php)	(revision 912)
+++ trunk/kernel/include/db.class.php	(.../db.class.php)	(revision 1566)
@@ -256,7 +256,7 @@
 		{
 			$sql .= ' '.$this->getLimitClause(0,1);
 			$ret = $this->Query($sql);
-			if(!$ret) return $ret;	
+			if(!$ret) return false;	
 			
 			return array_shift($ret);
 		}
@@ -396,5 +396,65 @@
 					break;
 			}
 		}
+		
+		/**
+		 * Returns last error code occured
+		 *
+		 * @return int
+		 */
+		function getErrorCode()
+		{
+			return $this->errorCode;
+		}
+		
+		/**
+		 * Returns last error message
+		 *
+		 * @return string
+		 * @access public
+		 */
+		function getErrorMsg()
+		{
+			return $this->errorMessage;
+		}
+		
+		/**
+		 * Correctly quotes a string so that all strings are escaped. We prefix and append
+		 * to the string single-quotes.
+		 * An example is  $db->qstr("Don't bother",magic_quotes_runtime());
+		 * 
+		 * @param s			the string to quote
+		 * @param [magic_quotes]	if $s is GET/POST var, set to get_magic_quotes_gpc().
+		 *				This undoes the stupidity of magic quotes for GPC.
+		 *
+		 * @return  quoted string to be sent back to database
+		 */
+		function qstr($s,$magic_quotes=false)
+		{
+			$replaceQuote = "\\'";
+			if (!$magic_quotes)
+			{
+				if ($replaceQuote[0] == '\\')
+				{
+					// only since php 4.0.5
+					$s = str_replace(array('\\',"\0"),array('\\\\',"\\\0"),$s);
+					//$s = str_replace("\0","\\\0", str_replace('\\','\\\\',$s));
+				}
+				return  "'".str_replace("'",$replaceQuote,$s)."'";
+			}
+
+			// undo magic quotes for "
+			$s = str_replace('\\"','"',$s);
+
+			if($replaceQuote == "\\'")  // ' already quoted, no need to change anything
+			{
+				return "'$s'";
+			}
+			else  // change \' to '' for sybase/mssql
+			{
+				$s = str_replace('\\\\','\\',$s);
+				return "'".str_replace("\\'",$replaceQuote,$s)."'";
+			}
+		}
 	}
 ?>
\ No newline at end of file