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30cf618eef
Change the values in the "enum fsck_msg_type" from being manually assigned to using default C enum values. This means we end up with a FSCK_IGNORE=0, which was previously defined as "2". I'm confident that nothing relies on these values, we always compare them for equality. Let's not omit "0" so it won't be assumed that we're using these as a boolean somewhere. This also allows us to re-structure the fields to mark which are "private" v.s. "public". See the preceding commit for a rationale for not simply splitting these into two enums, namely that this is used for both the private and public fsck API. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
128 lines
4 KiB
C
128 lines
4 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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enum fsck_msg_type {
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/* for internal use only */
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FSCK_IGNORE,
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FSCK_INFO,
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FSCK_FATAL,
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/* "public", fed to e.g. error_func callbacks */
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FSCK_ERROR,
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FSCK_WARN,
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};
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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, enum object_type object_type,
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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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enum fsck_msg_type 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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enum fsck_msg_type 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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enum fsck_msg_type *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 { \
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.skiplist = OIDSET_INIT, \
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.error_func = fsck_error_function \
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}
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#define FSCK_OPTIONS_STRICT { \
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.strict = 1, \
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.error_func = fsck_error_function, \
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}
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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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void register_found_gitmodules(const struct object_id *oid);
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/*
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* fsck a tag, and pass info about it back to the caller. This is
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* exposed fsck_object() internals for git-mktag(1).
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*/
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int fsck_tag_standalone(const struct object_id *oid, const char *buffer,
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unsigned long size, struct fsck_options *options,
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struct object_id *tagged_oid,
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int *tag_type);
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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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/*
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* git_config() callback for use by fsck-y tools that want to support
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* fsck.<msg> fsck.skipList etc.
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*/
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int git_fsck_config(const char *var, const char *value, void *cb);
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#endif
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