| 1 |
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| 2 | #ifndef __PERF_STRFILTER_H
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| 3 | #define __PERF_STRFILTER_H
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| 4 |
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| 5 |
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| 6 | #include <linux/list.h>
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| 7 | #include <stdbool.h>
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| 8 |
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| 9 |
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| 10 | struct strfilter_node {
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| 11 | struct strfilter_node *l;
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| 12 | struct strfilter_node *r;
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| 13 | const char *p;
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| 14 | };
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| 15 |
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| 16 |
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| 17 | struct strfilter {
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| 18 | struct strfilter_node *root;
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| 19 | };
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| 20 |
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| 21 | |
| 22 | * strfilter__new - Create a new string filter
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| 23 | * @rules: Filter rule, which is a combination of glob expressions.
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| 24 | * @err: Pointer which points an error detected on @rules
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| 25 | *
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| 26 | * Parse @rules and return new strfilter. Return NULL if an error detected.
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| 27 | * In that case, *@err will indicate where it is detected, and *@err is NULL
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| 28 | * if a memory allocation is failed.
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| 29 |
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| 30 | struct strfilter *strfilter__new(const char *rules, const char **err);
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| 31 |
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| 32 | |
| 33 | * strfilter__or - Append an additional rule by logical-or
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| 34 | * @filter: Original string filter
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| 35 | * @rules: Filter rule to be appended at left of the root of
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| 36 | * @filter by using logical-or.
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| 37 | * @err: Pointer which points an error detected on @rules
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| 38 | *
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| 39 | * Parse @rules and join it to the @filter by using logical-or.
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| 40 | * Return 0 if success, or return the error code.
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| 41 |
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| 42 | int strfilter__or(struct strfilter *filter,
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| 43 | const char *rules, const char **err);
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| 44 |
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| 45 | |
| 46 | * strfilter__add - Append an additional rule by logical-and
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| 47 | * @filter: Original string filter
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| 48 | * @rules: Filter rule to be appended at left of the root of
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| 49 | * @filter by using logical-and.
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| 50 | * @err: Pointer which points an error detected on @rules
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| 51 | *
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| 52 | * Parse @rules and join it to the @filter by using logical-and.
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| 53 | * Return 0 if success, or return the error code.
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| 54 |
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| 55 | int strfilter__and(struct strfilter *filter,
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| 56 | const char *rules, const char **err);
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| 57 |
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| 58 | |
| 59 | * strfilter__compare - compare given string and a string filter
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| 60 | * @filter: String filter
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| 61 | * @str: target string
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| 62 | *
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| 63 | * Compare @str and @filter. Return true if the str match the rule
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| 64 |
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| 65 | bool strfilter__compare(struct strfilter *filter, const char *str);
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| 66 |
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| 67 | |
| 68 | * strfilter__delete - delete a string filter
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| 69 | * @filter: String filter to delete
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| 70 | *
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| 71 | * Delete @filter.
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| 72 |
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| 73 | void strfilter__delete(struct strfilter *filter);
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| 74 |
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| 75 | |
| 76 | * strfilter__string - Reconstruct a rule string from filter
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| 77 | * @filter: String filter to reconstruct
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| 78 | *
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| 79 | * Reconstruct a rule string from @filter. This will be good for
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| 80 | * debug messages. Note that returning string must be freed afterward.
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| 81 |
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| 82 | char *strfilter__string(struct strfilter *filter);
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| 83 |
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| 84 | #endif
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