1 files changed, 63 insertions, 0 deletions
diff --git a/misc-utils/lsfd-unkn.c b/misc-utils/lsfd-unkn.c
new file mode 100644
index 0000000..4ac4acd
--- /dev/null
+++ b/misc-utils/lsfd-unkn.c
@@ -0,0 +1,63 @@
+/*
+ * lsfd-unkn.c - handle associations opening unknown objects
+ *
+ * Copyright (C) 2021 Red Hat, Inc. All rights reserved.
+ * Written by Masatake YAMATO <yamato@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "xalloc.h"
+#include "nls.h"
+#include "libsmartcols.h"
+
+#include "lsfd.h"
+
+static bool unkn_fill_column(struct proc *proc __attribute__((__unused__)),
+			     struct file *file __attribute__((__unused__)),
+			     struct libscols_line *ln,
+			     int column_id,
+			     size_t column_index)
+{
+	char *str = NULL;
+
+	switch(column_id) {
+	case COL_TYPE:
+		if (scols_line_set_data(ln, column_index, "UNKN"))
+			err(EXIT_FAILURE, _("failed to add output data"));
+		return true;
+	case COL_SOURCE:
+		if (major(file->stat.st_dev) == 0
+		    && strncmp(file->name, "anon_inode:", 11) == 0) {
+			str = strdup("anon_inodefs");
+			break;
+		}
+		return false;
+	default:
+		return false;
+	}
+
+	if (!str)
+		err(EXIT_FAILURE, _("failed to add output data"));
+	if (scols_line_refer_data(ln, column_index, str))
+		err(EXIT_FAILURE, _("failed to add output data"));
+	return true;
+}
+
+const struct file_class unkn_class = {
+	.super = &file_class,
+	.size = sizeof(struct file),
+	.fill_column = unkn_fill_column,
+};