t4038: Remove non-portable '-a' option passed to test_cmp
[git/git.git] / fsck.h
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
10 struct fsck_options;
11 struct object;
12
13 void fsck_set_msg_type(struct fsck_options *options,
14 const char *msg_id, const char *msg_type);
15 void fsck_set_msg_types(struct fsck_options *options, const char *values);
16 int 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 */
26 typedef 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 */
29 typedef int (*fsck_error)(struct fsck_options *o,
30 struct object *obj, int type, const char *message);
31
32 int fsck_error_function(struct fsck_options *o,
33 struct object *obj, int type, const char *message);
34
35 struct 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 */
54 int 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. */
56 int 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 */
64 int fsck_finish(struct fsck_options *options);
65
66 #endif