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-rw-r--r--cpukit/libfs/src/imfs/imfs_rmnod.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/cpukit/libfs/src/imfs/imfs_rmnod.c b/cpukit/libfs/src/imfs/imfs_rmnod.c
new file mode 100644
index 0000000000..25c7cde084
--- /dev/null
+++ b/cpukit/libfs/src/imfs/imfs_rmnod.c
@@ -0,0 +1,77 @@
+/*
+ * IMFS Node Removal Handler
+ *
+ * This file contains the handler used to remove a node when a file type
+ * does not require special actions.
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+
+#include <rtems.h>
+#include <rtems/libio.h>
+#include <rtems/libio_.h>
+
+#include "imfs.h"
+
+void IMFS_create_orphan( IMFS_jnode_t *jnode )
+{
+ if ( jnode->Parent != NULL ) {
+ rtems_chain_extract( &jnode->Node );
+ jnode->Parent = NULL;
+ }
+
+ --jnode->st_nlink;
+
+ IMFS_update_ctime( jnode );
+}
+
+void IMFS_check_node_remove( IMFS_jnode_t *jnode )
+{
+ if ( !rtems_libio_is_file_open( jnode ) && jnode->st_nlink < 1 ) {
+ if ( rtems_filesystem_current.node_access == jnode )
+ rtems_filesystem_current.node_access = NULL;
+
+ switch ( jnode->type ) {
+ case IMFS_MEMORY_FILE:
+ IMFS_memfile_remove( jnode );
+ break;
+ case IMFS_SYM_LINK:
+ free( jnode->info.sym_link.name );
+ break;
+ default:
+ break;
+ }
+
+ free( jnode );
+ }
+}
+
+/*
+ * IMFS_rmnod
+ */
+
+int IMFS_rmnod(
+ rtems_filesystem_location_info_t *parent_pathloc, /* IN */
+ rtems_filesystem_location_info_t *pathloc /* IN */
+)
+{
+ IMFS_jnode_t *jnode = (IMFS_jnode_t *) pathloc->node_access;
+
+ IMFS_create_orphan( jnode );
+ IMFS_check_node_remove( jnode );
+
+ return 0;
+}