fsck: offer a function to demote fsck errors to warnings
[git/git.git] / fsck.h
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1#ifndef GIT_FSCK_H
2#define GIT_FSCK_H
3
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4#define FSCK_ERROR 1
5#define FSCK_WARN 2
6
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7struct fsck_options;
8
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9void fsck_set_msg_type(struct fsck_options *options,
10 const char *msg_id, const char *msg_type);
11void fsck_set_msg_types(struct fsck_options *options, const char *values);
12
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13/*
14 * callback function for fsck_walk
15 * type is the expected type of the object or OBJ_ANY
16 * the return value is:
17 * 0 everything OK
18 * <0 error signaled and abort
19 * >0 error signaled and do not abort
20 */
22410549 21typedef int (*fsck_walk_func)(struct object *obj, int type, void *data, struct fsck_options *options);
355885d5 22
ba002f3b 23/* callback for fsck_object, type is FSCK_ERROR or FSCK_WARN */
c99ba492 24typedef int (*fsck_error)(struct object *obj, int type, const char *message);
ba002f3b 25
c99ba492 26int fsck_error_function(struct object *obj, int type, const char *message);
d6ffc8d7 27
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28struct fsck_options {
29 fsck_walk_func walk;
30 fsck_error error_func;
31 unsigned strict:1;
0282f4dc 32 int *msg_type;
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33};
34
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35#define FSCK_OPTIONS_DEFAULT { NULL, fsck_error_function, 0, NULL }
36#define FSCK_OPTIONS_STRICT { NULL, fsck_error_function, 1, NULL }
22410549 37
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38/* descend in all linked child objects
39 * the return value is:
40 * -1 error in processing the object
41 * <0 return value of the callback, which lead to an abort
3ea3c215 42 * >0 return value of the first signaled error >0 (in the case of no other errors)
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43 * 0 everything OK
44 */
22410549 45int fsck_walk(struct object *obj, void *data, struct fsck_options *options);
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46/* If NULL is passed for data, we assume the object is local and read it. */
47int fsck_object(struct object *obj, void *data, unsigned long size,
22410549 48 struct fsck_options *options);
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49
50#endif