97 lines
3.2 KiB
C
97 lines
3.2 KiB
C
#ifndef GIT_FSCK_H
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#define GIT_FSCK_H
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#include "oidset.h"
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#define FSCK_ERROR 1
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#define FSCK_WARN 2
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#define FSCK_IGNORE 3
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struct fsck_options;
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struct object;
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void fsck_set_msg_type(struct fsck_options *options,
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const char *msg_id, const char *msg_type);
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void fsck_set_msg_types(struct fsck_options *options, const char *values);
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int is_valid_msg_type(const char *msg_id, const char *msg_type);
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/*
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* callback function for fsck_walk
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* type is the expected type of the object or OBJ_ANY
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* the return value is:
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* 0 everything OK
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* <0 error signaled and abort
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* >0 error signaled and do not abort
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*/
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typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
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/* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
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typedef int (*fsck_error)(struct fsck_options *o,
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const struct object_id *oid, enum object_type object_type,
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int msg_type, const char *message);
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int fsck_error_function(struct fsck_options *o,
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const struct object_id *oid, enum object_type object_type,
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int msg_type, const char *message);
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struct fsck_options {
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fsck_walk_func walk;
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fsck_error error_func;
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unsigned strict:1;
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int *msg_type;
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struct oidset skiplist;
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kh_oid_map_t *object_names;
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};
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#define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0, NULL, OIDSET_INIT }
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#define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1, NULL, OIDSET_INIT }
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/* descend in all linked child objects
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* the return value is:
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* -1 error in processing the object
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* <0 return value of the callback, which lead to an abort
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* >0 return value of the first signaled error >0 (in the case of no other errors)
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* 0 everything OK
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*/
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int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
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/*
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* Blob objects my pass a NULL data pointer, which indicates they are too large
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* to fit in memory. All other types must pass a real buffer.
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*/
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int fsck_object(struct object *obj, void *data, unsigned long size,
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struct fsck_options *options);
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/*
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* Some fsck checks are context-dependent, and may end up queued; run this
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* after completing all fsck_object() calls in order to resolve any remaining
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* checks.
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*/
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int fsck_finish(struct fsck_options *options);
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/*
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* Subsystem for storing human-readable names for each object.
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*
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* If fsck_enable_object_names() has not been called, all other functions are
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* noops.
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*
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* Use fsck_put_object_name() to seed initial names (e.g. from refnames); the
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* fsck code will extend that while walking trees, etc.
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*
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* Use fsck_get_object_name() to get a single name (or NULL if none). Or the
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* more convenient describe_object(), which always produces an output string
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* with the oid combined with the name (if any). Note that the return value
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* points to a rotating array of static buffers, and may be invalidated by a
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* subsequent call.
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*/
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void fsck_enable_object_names(struct fsck_options *options);
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const char *fsck_get_object_name(struct fsck_options *options,
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const struct object_id *oid);
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__attribute__((format (printf,3,4)))
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void fsck_put_object_name(struct fsck_options *options,
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const struct object_id *oid,
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const char *fmt, ...);
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const char *fsck_describe_object(struct fsck_options *options,
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const struct object_id *oid);
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#endif
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