[Lost] [Patch] Memleak in vterm

[Antoine Kaufmann <toni@xxxxxxxxxxxxxxxx>]

! vterm: Fix fuer Memleak beim Schliessen des in-Handles

Index: trunk/src/modules/vterm/lostio.c
===================================================================
--- trunk.orig/src/modules/vterm/lostio.c
+++ trunk/src/modules/vterm/lostio.c
@@ -44,6 +44,13 @@ read_hdl_reply terminal_read(lostio_file
 size_t terminal_write(lostio_filehandle_t* handle, size_t blocksize,
     size_t blockcount, void* data);
 
+/// Handler fuer open auf in
+static void lio_in_open(lostio_filehandle_t* fh);
+
+/// Handler fuer open auf in
+static int lio_in_close(lostio_filehandle_t* fh);
+
+
 /**
  * LostIO-Interface vorbereiten, ueber das die Prozesse mit vterm kommunizieren
  * werden.
@@ -70,11 +77,11 @@ void init_lostio_interface()
     typehandle->id          = LOSTIO_TYPES_IN;
     typehandle->not_found   = NULL;
     typehandle->pre_open    = NULL;
-    typehandle->post_open   = NULL;
+    typehandle->post_open   = &lio_in_open;
     typehandle->read        = &terminal_read;
     typehandle->write       = NULL;
     typehandle->seek        = NULL;
-    typehandle->close       = NULL;
+    typehandle->close       = lio_in_close;
     typehandle->link        = NULL;
     typehandle->unlink      = NULL;
     lostio_register_typehandle(typehandle);
@@ -141,5 +148,23 @@ read_hdl_reply terminal_read(lostio_file
     return reply;
 }
 
+/**
+ * LostIO-Handler der den Data-Member im Filehandle mit NULL initialisiert,
+ * damit das realloc in terminal_read nicht schief gehen kann
+ */
+static void lio_in_open(lostio_filehandle_t* fh)
+{
+    fh->data = NULL;
+}
 
+/**
+ * LostIO-Handler der einen allenfalls allozierten Buffer im Filehandle freigibt
+ */
+static int lio_in_close(lostio_filehandle_t* fh)
+{
+    if (fh->data) {
+        free(fh->data);
+    }
 
+    return 0;
+}