1 files changed, 33 insertions, 0 deletions
diff --git a/fsck.h b/fsck.h
new file mode 100644
index 0000000000..1e4f527318
--- /dev/null
+++ b/fsck.h
@@ -0,0 +1,33 @@
+#ifndef GIT_FSCK_H
+#define GIT_FSCK_H
+
+#define FSCK_ERROR 1
+#define FSCK_WARN 2
+
+/*
+ * callback function for fsck_walk
+ * type is the expected type of the object or OBJ_ANY
+ * the return value is:
+ *     0	everything OK
+ *     <0	error signaled and abort
+ *     >0	error signaled and do not abort
+ */
+typedef int (*fsck_walk_func)(struct object *obj, int type, void *data);
+
+/* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
+typedef int (*fsck_error)(struct object *obj, int type, const char *err, ...);
+
+__attribute__((format (printf, 3, 4)))
+int fsck_error_function(struct object *obj, int type, const char *fmt, ...);
+
+/* descend in all linked child objects
+ * the return value is:
+ *    -1	error in processing the object
+ *    <0	return value of the callback, which lead to an abort
+ *    >0	return value of the first signaled error >0 (in the case of no other errors)
+ *    0		everything OK
+ */
+int fsck_walk(struct object *obj, fsck_walk_func walk, void *data);
+int fsck_object(struct object *obj, int strict, fsck_error error_func);
+
+#endif