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-rw-r--r--misc-utils/lsfd-unkn.c63
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
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--- /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,
+};