fsck (receive-pack): allow demoting errors to warnings
[git/git.git] / fsck.h
1 #ifndef GIT_FSCK_H
2 #define GIT_FSCK_H
3
4 #define FSCK_ERROR 1
5 #define FSCK_WARN 2
6
7 struct fsck_options;
8
9 void fsck_set_msg_type(struct fsck_options *options,
10 const char *msg_id, const char *msg_type);
11 void fsck_set_msg_types(struct fsck_options *options, const char *values);
12 int is_valid_msg_type(const char *msg_id, const char *msg_type);
13
14 /*
15 * callback function for fsck_walk
16 * type is the expected type of the object or OBJ_ANY
17 * the return value is:
18 * 0 everything OK
19 * <0 error signaled and abort
20 * >0 error signaled and do not abort
21 */
22 typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
23
24 /* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
25 typedef int (*fsck_error)(struct object *obj, int type, const char *message);
26
27 int fsck_error_function(struct object *obj, int type, const char *message);
28
29 struct fsck_options {
30 fsck_walk_func walk;
31 fsck_error error_func;
32 unsigned strict:1;
33 int *msg_type;
34 };
35
36 #define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0, NULL }
37 #define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1, NULL }
38
39 /* descend in all linked child objects
40 * the return value is:
41 * -1 error in processing the object
42 * <0 return value of the callback, which lead to an abort
43 * >0 return value of the first signaled error >0 (in the case of no other errors)
44 * 0 everything OK
45 */
46 int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
47 /* If NULL is passed for data, we assume the object is local and read it. */
48 int fsck_object(struct object *obj, void *data, unsigned long size,
49 struct fsck_options *options);
50
51 #endif