Add simple sqfs_tree_node_t hardlink detection to libcommon

Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>

1 files changed, 9 insertions, 0 deletions

diff --git a/include/common.h b/include/common.h
index bdb3837..9938ba0 100644
--- a/include/common.h
+++ b/include/common.h
@@ -75,6 +75,12 @@ typedef struct {
 	bool quiet;
 } sqfs_writer_cfg_t;
 
+typedef struct sqfs_hard_link_t {
+	struct sqfs_hard_link_t *next;
+	sqfs_u32 inode_number;
+	char *target;
+} sqfs_hard_link_t;
+
 #define container_of(ptr, type, member) \
 	((type *)((char *)ptr - offsetof(type, member)))
 
@@ -132,6 +138,9 @@ void sqfs_writer_cleanup(sqfs_writer_t *sqfs);
 
 void sqfs_perror(const char *file, const char *action, int error_code);
 
+int sqfs_tree_find_hard_links(const sqfs_tree_node_t *root,
+			      sqfs_hard_link_t **out);
+
 /*
   A wrapper around mkdir() that behaves like 'mkdir -p'. It tries to create
   every component of the given path and skips already existing entries.