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#ifndef GIT_FSCK_H
#define GIT_FSCK_H
#include "oidset.h"
#define FSCK_ERROR 1
#define FSCK_WARN 2
#define FSCK_IGNORE 3
struct fsck_options;
struct object;
void fsck_set_msg_type(struct fsck_options *options,
const char *msg_id, const char *msg_type);
void fsck_set_msg_types(struct fsck_options *options, const char *values);
int is_valid_msg_type(const char *msg_id, const char *msg_type);
/*
* 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, struct fsck_options *options);
/* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
typedef int (*fsck_error)(struct fsck_options *o,
const struct object_id *oid, enum object_type object_type,
int msg_type, const char *message);
int fsck_error_function(struct fsck_options *o,
const struct object_id *oid, enum object_type object_type,
int msg_type, const char *message);
struct fsck_options {
fsck_walk_func walk;
fsck_error error_func;
unsigned strict:1;
int *msg_type;
struct oidset skiplist;
kh_oid_map_t *object_names;
};
#define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0, NULL, OIDSET_INIT }
#define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1, NULL, OIDSET_INIT }
/* 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, void *data, struct fsck_options *options);
/*
* Blob objects my pass a NULL data pointer, which indicates they are too large
* to fit in memory. All other types must pass a real buffer.
*/
int fsck_object(struct object *obj, void *data, unsigned long size,
struct fsck_options *options);
/*
* Some fsck checks are context-dependent, and may end up queued; run this
* after completing all fsck_object() calls in order to resolve any remaining
* checks.
*/
int fsck_finish(struct fsck_options *options);
/*
* Subsystem for storing human-readable names for each object.
*
* If fsck_enable_object_names() has not been called, all other functions are
* noops.
*
* Use fsck_put_object_name() to seed initial names (e.g. from refnames); the
* fsck code will extend that while walking trees, etc.
*
* Use fsck_get_object_name() to get a single name (or NULL if none). Or the
* more convenient describe_object(), which always produces an output string
* with the oid combined with the name (if any). Note that the return value
* points to a rotating array of static buffers, and may be invalidated by a
* subsequent call.
*/
void fsck_enable_object_names(struct fsck_options *options);
const char *fsck_get_object_name(struct fsck_options *options,
const struct object_id *oid);
__attribute__((format (printf,3,4)))
void fsck_put_object_name(struct fsck_options *options,
const struct object_id *oid,
const char *fmt, ...);
const char *fsck_describe_object(struct fsck_options *options,
const struct object_id *oid);
#endif
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