1 files changed, 108 insertions, 0 deletions
diff --git a/cpukit/libfs/src/imfs/imfs_make_generic_node.c b/cpukit/libfs/src/imfs/imfs_make_generic_node.c
new file mode 100644
index 0000000000..5b7a7d9cec
--- /dev/null
+++ b/cpukit/libfs/src/imfs/imfs_make_generic_node.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2012 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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.
+ */
+
+#if HAVE_CONFIG_H
+  #include "config.h"
+#endif
+
+#include "imfs.h"
+
+IMFS_jnode_t *IMFS_node_initialize_generic(
+  IMFS_jnode_t *node,
+  const IMFS_types_union *info
+)
+{
+  node->info.generic.context = info->generic.context;
+
+  return node;
+}
+
+bool IMFS_is_imfs_instance(
+  const rtems_filesystem_location_info_t *loc
+)
+{
+  const char *type = loc->mt_entry->type;
+
+  return strcmp(type, RTEMS_FILESYSTEM_TYPE_IMFS) == 0
+    || strcmp(type, RTEMS_FILESYSTEM_TYPE_MINIIMFS) == 0;
+}
+
+int IMFS_make_generic_node(
+  const char *path,
+  mode_t mode,
+  const IMFS_node_control *node_control,
+  void *context
+)
+{
+  int rv = 0;
+
+  mode &= ~rtems_filesystem_umask;
+
+  switch (mode & S_IFMT) {
+    case S_IFBLK:
+    case S_IFCHR:
+    case S_IFIFO:
+    case S_IFREG:
+      break;
+    default:
+      errno = EINVAL;
+      rv = -1;
+      break;
+  }
+  
+  if ( rv == 0 ) {
+    if ( node_control->imfs_type == IMFS_GENERIC ) {
+      rtems_filesystem_eval_path_context_t ctx;
+      int eval_flags = RTEMS_FS_FOLLOW_LINK
+        | RTEMS_FS_MAKE
+        | RTEMS_FS_EXCLUSIVE;
+      const rtems_filesystem_location_info_t *currentloc =
+        rtems_filesystem_eval_path_start( &ctx, path, eval_flags );
+
+      if ( IMFS_is_imfs_instance( currentloc ) ) {
+        IMFS_types_union info;
+        IMFS_jnode_t *new_node;
+
+        info.generic.context = context;
+        new_node = IMFS_create_node_with_control(
+          currentloc,
+          node_control,
+          rtems_filesystem_eval_path_get_token( &ctx ),
+          rtems_filesystem_eval_path_get_tokenlen( &ctx ),
+          mode,
+          &info
+        );
+
+        if ( new_node != NULL ) {
+          IMFS_jnode_t *parent = currentloc->node_access;
+
+          IMFS_update_ctime( parent );
+          IMFS_update_mtime( parent );
+        } else {
+          rv = -1;
+        }
+      } else {
+        rtems_filesystem_eval_path_error( &ctx, ENOTSUP );
+        rv = -1;
+      }
+
+      rtems_filesystem_eval_path_cleanup( &ctx );
+    } else {
+      errno = EINVAL;
+      rv = -1;
+    }
+  }
+
+  return rv;
+}