Added function to escape query strings

git-svn-id: https://vdr-muggle.svn.sourceforge.net/svnroot/vdr-muggle/trunk/muggle-plugin@188 e10066b5-e1e2-0310-b819-94efdf66514b

2 files changed, 28 insertions, 4 deletions

diff --git a/mg_database.c b/mg_database.c
index eabff6d..b25ee23 100644
--- a/mg_database.c
+++ b/mg_database.c
@@ -3,9 +3,9 @@
  *  \brief  A capsule around MySql database access
  ******************************************************************** 
  * \version $Revision: 1.2 $
- * \date    $Date: 2004/05/28 15:29:18 $
+ * \date    $Date$
  * \author  Ralf Klueber, Lars von Wedel, Andreas Kellner
- * \author  file owner: $Author: lvw $
+ * \author  file owner: $Author$
  */
 /*******************************************************************/
 
@@ -27,6 +27,18 @@ mgDB::~mgDB()
 {
 }
 
+string mgDB::escape_string( MYSQL *db, string s )
+{
+  char *escbuf = (char *) malloc( 2*s.length() + 1 );
+
+  int len = mysql_real_escape_string( db, escbuf, s.c_str(), s.length() );
+
+  string res( escbuf );
+  free( resbuf );
+
+  return res;
+}
+
 MYSQL mgDB::getDBHandle()
 {
 
diff --git a/mg_database.h b/mg_database.h
index 4e00826..3f2c323 100644
--- a/mg_database.h
+++ b/mg_database.h
@@ -3,9 +3,9 @@
  * \brief  A capsule around MySql database access
  *
  * \version $Revision: 1.2 $
- * \date    $Date: 2004/05/28 15:29:18 $
+ * \date    $Date$
  * \author  Ralf Klueber, Lars von Wedel, Andreas Kellner
- * \author  Responsible author: $Author: lvw $
+ * \author  Responsible author: $Author$
  */
 
 #ifndef __MG_DATABASE_H
@@ -14,6 +14,11 @@
 #include <string>
 #include <mysql/mysql.h>
 
+/*!
+ * \brief an abstract database class
+ * 
+ * \todo Currently unused. This class could abstract database connection and query handling, but this will be tedious as an abstract representation of results would be needed.
+ */
 class mgDB
 {
  public:
@@ -39,6 +44,13 @@ class mgDB
 
   /*! \brief obtain database handle*/
   MYSQL getDBHandle();
+
+  /*!
+   * \brief escape arguments to be contained in a query
+   *
+   * \todo use m_dbase member of this class
+   */
+  static std::string escape_string( MYSQL *db, std::string s );
   
  private:
   MYSQL m_dbase;