Code cleanup and optimisation

3 files changed, 11 insertions, 9 deletions

diff --git a/include/persistence_client_library.h b/include/persistence_client_library.h
index 1e6b085..9328712 100644
--- a/include/persistence_client_library.h
+++ b/include/persistence_client_library.h
@@ -24,7 +24,7 @@
  *
  */
 /** \ingroup GEN_PERS */
-/** \defgroup PERS_CLIENT Client: initialization access
+/** \defgroup PERS_CLIENT Client: initialisation access
  *  \{
  */
 /** \defgroup PERS_CLIENT_INTERFACE API document
diff --git a/include/persistence_client_library_error_def.h b/include/persistence_client_library_error_def.h
index e88efa5..f8e184b 100644
--- a/include/persistence_client_library_error_def.h
+++ b/include/persistence_client_library_error_def.h
@@ -116,6 +116,8 @@ extern "C" {
 #define EPERS_SHUTDOWN_MAX_CANCEL (-40)
 /// not permitted to use this function
 #define EPERS_SHUTDOWN_NO_PERMIT  (-42)
+/// requested handle is not valid. \since PCL v7.0.3
+#define EPERS_INVALID_HANDLE     (-1000)
 
 #ifdef __cplusplus
 }
diff --git a/include/persistence_client_library_key.h b/include/persistence_client_library_key.h
index 46d0e8c..4111fe3 100644
--- a/include/persistence_client_library_key.h
+++ b/include/persistence_client_library_key.h
@@ -78,7 +78,7 @@ typedef struct _pclNotification_s
 
 /** definition of the change callback
  *
- * @param notifyStruct structure for notifcation
+ * @param notifyStruct structure for notification
  *
  * @return positive value (0 or greater): success;
  * On error a negative value will be returned with the following error codes: ::EPERS_LOCKFS
@@ -95,7 +95,7 @@ typedef int(* pclChangeNotifyCallback_t)(pclNotification_s * notifyStruct);
  *
  * @param ldbid logical database ID
  * @param resource_id the resource ID
- * @param user_no  the user ID; user_no=0 can not be used as user-ID beacause ‘0’ is defined as System/node
+ * @param user_no  the user ID; user_no=0 can not be used as user-ID because ‘0’ is defined as System/node
  * @param seat_no  the seat number
  *
  * @return positive value (0 or greater) : success;
@@ -111,7 +111,7 @@ int pclKeyDelete(unsigned int ldbid, const char* resource_id, unsigned int user_
  *
  * @param ldbid logical database ID
  * @param resource_id the resource ID
- * @param user_no  the user ID; user_no=0 can not be used as user-ID beacause ‘0’ is defined as System/node
+ * @param user_no  the user ID; user_no=0 can not be used as user-ID because ‘0’ is defined as System/node
  * @param seat_no  the seat number
  *
  * @return positive value (0 or greater): the size;
@@ -153,7 +153,7 @@ int pclKeyHandleGetSize(int key_handle);
  *
  * @param ldbid logical database ID
  * @param resource_id the resource ID
- * @param user_no  the user ID; user_no=0 can not be used as user-ID beacause ‘0’ is defined as System/node
+ * @param user_no  the user ID; user_no=0 can not be used as user-ID because ‘0’ is defined as System/node
  * @param seat_no  the seat number
  *
  * @return positive value (0 or greater): the key handle to access the value;
@@ -229,7 +229,7 @@ int pclKeyHandleWriteData(int key_handle, unsigned char* buffer, int buffer_size
  *
  * @param ldbid logical database ID
  * @param resource_id the resource ID
- * @param user_no  the user ID; user_no=0 can not be used as user-ID beacause ‘0’ is defined as System/node
+ * @param user_no  the user ID; user_no=0 can not be used as user-ID because ‘0’ is defined as System/node
  * @param seat_no  the seat number
  * @param buffer the buffer to read the persistent data
  * @param buffer_size size of buffer for reading
@@ -247,7 +247,7 @@ int pclKeyReadData(unsigned int ldbid, const char* resource_id, unsigned int use
  *
  * @param ldbid logical database ID of the resource to monitor
  * @param resource_id the resource ID
- * @param user_no  the user ID; user_no=0 can not be used as user-ID beacause ‘0’ is defined as System/node
+ * @param user_no  the user ID; user_no=0 can not be used as user-ID because ‘0’ is defined as System/node
  * @param seat_no  the seat number
  * @param callback notification callback
  *
@@ -264,7 +264,7 @@ int pclKeyRegisterNotifyOnChange(unsigned int ldbid, const char* resource_id, un
  *
  * @param ldbid logical database ID of the resource to monitor
  * @param resource_id the resource ID
- * @param user_no  the user ID; user_no=0 can not be used as user-ID beacause ‘0’ is defined as System/node
+ * @param user_no  the user ID; user_no=0 can not be used as user-ID because ‘0’ is defined as System/node
  * @param seat_no  the seat number
  * @param callback notification callback
  *
@@ -281,7 +281,7 @@ int pclKeyUnRegisterNotifyOnChange( unsigned int  ldbid, const char *  resource_
  *
  * @param ldbid logical database ID
  * @param resource_id the resource ID
- * @param user_no  the user ID; user_no=0 can not be used as user-ID beacause ‘0’ is defined as System/node
+ * @param user_no  the user ID; user_no=0 can not be used as user-ID because ‘0’ is defined as System/node
  * @param seat_no  the seat number
  * @param buffer the buffer containing the persistent data to write
  * @param buffer_size the number of bytes to write (default max size is set to 16kB)