implement ftell stream wrapper and fix return value from fseek stream wrapper

diff --git a/apps/files_encryption/lib/stream.php b/apps/files_encryption/lib/stream.php
index 7a37d2200a4f18d779bcad5a9cd656321334565d..c3cbdd54f564a9d9bea8d9fdb8f9fdb82506c783 100644 (file)
--- a/apps/files_encryption/lib/stream.php
+++ b/apps/files_encryption/lib/stream.php
@@ -163,15 +163,26 @@ class Stream {
 
        }
 
+       /**
+        * @brief Returns the current position of the file pointer
+        * @return int  position of the file pointer
+        */
+       public function stream_tell() {
+               return ftell($this->handle);
+       }
+
        /**
         * @param $offset
         * @param int $whence
+        * @return bool true if fseek was successful, otherwise false
         */
        public function stream_seek($offset, $whence = SEEK_SET) {
 
                $this->flush();
 
-               fseek($this->handle, $offset, $whence);
+               // this wrapper needs to return "true" for success.
+               // the fseek call itself returns 0 on succeess
+               return !fseek($this->handle, $offset, $whence);
 
        }