fsck: introduce fsck options

Just like the diff machinery, we are about to introduce more settings,
therefore it makes sense to carry them around as a (pointer to a) struct
containing all of them.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 14 insertions, 3 deletions

diff --git a/fsck.h b/fsck.h
index d1e6387a44..07d0ab2fab 100644
--- a/fsck.h
+++ b/fsck.h
@@ -4,6 +4,8 @@
 #define FSCK_ERROR 1
 #define FSCK_WARN 2
 
+struct fsck_options;
+
 /*
  * callback function for fsck_walk
  * type is the expected type of the object or OBJ_ANY
@@ -12,7 +14,7 @@
  *     <0	error signaled and abort
  *     >0	error signaled and do not abort
  */
-typedef int (*fsck_walk_func)(struct object *obj, int type, void *data);
+typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
 
 /* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
 typedef int (*fsck_error)(struct object *obj, int type, const char *err, ...);
@@ -20,6 +22,15 @@ 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, ...);
 
+struct fsck_options {
+	fsck_walk_func walk;
+	fsck_error error_func;
+	unsigned strict:1;
+};
+
+#define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0 }
+#define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1 }
+
 /* descend in all linked child objects
  * the return value is:
  *    -1	error in processing the object
@@ -27,9 +38,9 @@ int fsck_error_function(struct object *obj, int type, const char *fmt, ...);
  *    >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_walk(struct object *obj, void *data, struct fsck_options *options);
 /* If NULL is passed for data, we assume the object is local and read it. */
 int fsck_object(struct object *obj, void *data, unsigned long size,
-	int strict, fsck_error error_func);
+	struct fsck_options *options);
 
 #endif