From 2bc04c11f967261839f1ae21038c4a43faed8d1d Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Tue, 20 Aug 2013 12:41:27 +0200
Subject: libmount: add mnt_table_{set,get}_userdata()

Signed-off-by: Karel Zak <kzak@redhat.com>
---
 libmount/src/libmount.h.in |  3 +++
 libmount/src/libmount.sym  |  2 ++
 libmount/src/tab.c         | 31 +++++++++++++++++++++++++++++++
 3 files changed, 36 insertions(+)

(limited to 'libmount/src')

diff --git a/libmount/src/libmount.h.in b/libmount/src/libmount.h.in
index df78c268..c2aa4fa8 100644
--- a/libmount/src/libmount.h.in
+++ b/libmount/src/libmount.h.in
@@ -413,6 +413,9 @@ extern void mnt_free_table(struct libmnt_table *tb);
 extern int mnt_reset_table(struct libmnt_table *tb);
 extern int mnt_table_get_nents(struct libmnt_table *tb);
 
+extern int mnt_table_set_userdata(struct libmnt_table *tb, void *data);
+extern void *mnt_table_get_userdata(struct libmnt_table *tb);
+
 extern void mnt_table_enable_comments(struct libmnt_table *tb, int enable);
 extern int mnt_table_with_comments(struct libmnt_table *tb);
 extern const char *mnt_table_get_intro_comment(struct libmnt_table *tb);
diff --git a/libmount/src/libmount.sym b/libmount/src/libmount.sym
index 2cb101c4..508c5cd3 100644
--- a/libmount/src/libmount.sym
+++ b/libmount/src/libmount.sym
@@ -267,9 +267,11 @@ global:
 	mnt_table_enable_comments;
 	mnt_table_get_intro_comment;
 	mnt_table_get_trailing_comment;
+	mnt_table_get_userdata;
 	mnt_table_replace_file;
 	mnt_table_set_intro_comment;
 	mnt_table_set_trailing_comment;
+	mnt_table_set_userdata;
 	mnt_table_with_comments;
 	mnt_table_write_file;
 } MOUNT_2.23;
diff --git a/libmount/src/tab.c b/libmount/src/tab.c
index c79b9819..a8b462fa 100644
--- a/libmount/src/tab.c
+++ b/libmount/src/tab.c
@@ -127,6 +127,37 @@ int mnt_table_get_nents(struct libmnt_table *tb)
 	return tb ? tb->nents : 0;
 }
 
+/**
+ * mnt_table_set_userdata:
+ * @tb: pointer to tab
+ * @data: pointer to user data
+ *
+ * Sets pointer to the private user data.
+ *
+ * Returns: 0 on success or negative number in case of error.
+ */
+int mnt_table_set_userdata(struct libmnt_table *tb, void *data)
+{
+	assert(tb);
+	if (!tb)
+		return -EINVAL;
+
+	tb->userdata = data;
+	return 0;
+}
+
+/**
+ * mnt_table_get_userdata:
+ * @tb: pointer to tab
+ *
+ * Returns: pointer to user's data.
+ */
+void *mnt_table_get_userdata(struct libmnt_table *tb)
+{
+	assert(tb);
+	return tb ? tb->userdata : NULL;
+}
+
 /**
  * mnt_table_enable_comments:
  * @tb: pointer to tab
-- 
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