fsck.hon commit ref-filter: move get_head_description() from branch.c (d4919bb)
   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
   8struct fsck_options;
   9
  10void fsck_set_msg_type(struct fsck_options *options,
  11                const char *msg_id, const char *msg_type);
  12void fsck_set_msg_types(struct fsck_options *options, const char *values);
  13int 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 */
  23typedef 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 */
  26typedef int (*fsck_error)(struct fsck_options *o,
  27        struct object *obj, int type, const char *message);
  28
  29int fsck_error_function(struct fsck_options *o,
  30        struct object *obj, int type, const char *message);
  31
  32struct fsck_options {
  33        fsck_walk_func walk;
  34        fsck_error error_func;
  35        unsigned strict:1;
  36        int *msg_type;
  37        struct sha1_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 */
  51int 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. */
  53int fsck_object(struct object *obj, void *data, unsigned long size,
  54        struct fsck_options *options);
  55
  56#endif