fsck.hon commit Merge branch 'master' of git://ozlabs.org/~paulus/gitk (3cb8921)
   1#ifndef GIT_FSCK_H
   2#define GIT_FSCK_H
   3
   4#include "oidset.h"
   5
   6#define FSCK_ERROR 1
   7#define FSCK_WARN 2
   8#define FSCK_IGNORE 3
   9
  10struct fsck_options;
  11struct object;
  12
  13void fsck_set_msg_type(struct fsck_options *options,
  14                const char *msg_id, const char *msg_type);
  15void fsck_set_msg_types(struct fsck_options *options, const char *values);
  16int is_valid_msg_type(const char *msg_id, const char *msg_type);
  17
  18/*
  19 * callback function for fsck_walk
  20 * type is the expected type of the object or OBJ_ANY
  21 * the return value is:
  22 *     0        everything OK
  23 *     <0       error signaled and abort
  24 *     >0       error signaled and do not abort
  25 */
  26typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
  27
  28/* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
  29typedef int (*fsck_error)(struct fsck_options *o,
  30        struct object *obj, int type, const char *message);
  31
  32int fsck_error_function(struct fsck_options *o,
  33        struct object *obj, int type, const char *message);
  34
  35struct fsck_options {
  36        fsck_walk_func walk;
  37        fsck_error error_func;
  38        unsigned strict:1;
  39        int *msg_type;
  40        struct oidset skiplist;
  41        struct decoration *object_names;
  42};
  43
  44#define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0, NULL, OIDSET_INIT }
  45#define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1, NULL, OIDSET_INIT }
  46
  47/* descend in all linked child objects
  48 * the return value is:
  49 *    -1        error in processing the object
  50 *    <0        return value of the callback, which lead to an abort
  51 *    >0        return value of the first signaled error >0 (in the case of no other errors)
  52 *    0         everything OK
  53 */
  54int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
  55/* If NULL is passed for data, we assume the object is local and read it. */
  56int fsck_object(struct object *obj, void *data, unsigned long size,
  57        struct fsck_options *options);
  58
  59/*
  60 * Some fsck checks are context-dependent, and may end up queued; run this
  61 * after completing all fsck_object() calls in order to resolve any remaining
  62 * checks.
  63 */
  64int fsck_finish(struct fsck_options *options);
  65
  66#endif