diff options
Diffstat (limited to 'security/apparmor/include/match.h')
| -rw-r--r-- | security/apparmor/include/match.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/security/apparmor/include/match.h b/security/apparmor/include/match.h index e0de00bd16a8..958d2b52a7b7 100644 --- a/security/apparmor/include/match.h +++ b/security/apparmor/include/match.h @@ -138,6 +138,25 @@ unsigned int aa_dfa_matchn_until(struct aa_dfa *dfa, unsigned int start, void aa_dfa_free_kref(struct kref *kref); +#define WB_HISTORY_SIZE 8 +struct match_workbuf { + unsigned int count; + unsigned int pos; + unsigned int len; + unsigned int size; /* power of 2, same as history size */ + unsigned int history[WB_HISTORY_SIZE]; +}; +#define DEFINE_MATCH_WB(N) \ +struct match_workbuf N = { \ + .count = 0, \ + .pos = 0, \ + .len = 0, \ + .size = WB_HISTORY_SIZE, \ +} + +unsigned int aa_dfa_leftmatch(struct aa_dfa *dfa, unsigned int start, + const char *str, unsigned int *count); + /** * aa_get_dfa - increment refcount on dfa @p * @dfa: dfa (MAYBE NULL) |