fsck.h

   1 #ifndef GIT_FSCK_H
   2 #define GIT_FSCK_H
   3
   4 #define FSCK_ERROR 1
   5 #define FSCK_WARN 2
   6 #define FSCK_IGNORE 3
   7
   8 struct fsck_options;
   9
  10 void fsck_set_msg_type(struct fsck_options *options,
  11                 const char *msg_id, const char *msg_type);
  12 void fsck_set_msg_types(struct fsck_options *options, const char *values);
  13 int is_valid_msg_type(const char *msg_id, const char *msg_type);
  14
  15 /*
  16  * callback function for fsck_walk
  17  * type is the expected type of the object or OBJ_ANY
  18  * the return value is:
  19  *     0        everything OK
  20  *     <0       error signaled and abort
  21  *     >0       error signaled and do not abort
  22  */
  23 typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
  24
  25 /* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
  26 typedef int (*fsck_error)(struct fsck_options *o,
  27         struct object *obj, int type, const char *message);
  28
  29 int fsck_error_function(struct fsck_options *o,
  30         struct object *obj, int type, const char *message);
  31
  32 struct fsck_options {
  33         fsck_walk_func walk;
  34         fsck_error error_func;
  35         unsigned strict:1;
  36         int *msg_type;
  37         struct oid_array *skiplist;
  38         struct decoration *object_names;
  39 };
  40
  41 #define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0, NULL }
  42 #define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1, NULL }
  43
  44 /* descend in all linked child objects
  45  * the return value is:
  46  *    -1        error in processing the object
  47  *    <0        return value of the callback, which lead to an abort
  48  *    >0        return value of the first signaled error >0 (in the case of no other errors)
  49  *    0         everything OK
  50  */
  51 int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
  52 /* If NULL is passed for data, we assume the object is local and read it. */
  53 int fsck_object(struct object *obj, void *data, unsigned long size,
  54         struct fsck_options *options);
  55
  56 #endif