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-rw-r--r--bin/gensquashfs/src/mkfs.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/bin/gensquashfs/src/mkfs.h b/bin/gensquashfs/src/mkfs.h
index 53fb018..671c3cb 100644
--- a/bin/gensquashfs/src/mkfs.h
+++ b/bin/gensquashfs/src/mkfs.h
@@ -41,6 +41,15 @@
#include <errno.h>
#include <ctype.h>
+/*
+ Optionally used by fstree_from_dir and fstree_from_subdir to
+ execute custom actions for each discovered node.
+
+ If it returns a value > 0, the new node is discarded, if < 0, scanning is
+ aborted and returns a failure status.
+ */
+typedef int (*scan_node_callback)(void *user, fstree_t *fs, tree_node_t *node);
+
typedef struct {
sqfs_writer_cfg_t cfg;
unsigned int dirscan_flags;