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mcclellan: handle 0 length block scans correctly

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Alex Coyte 2017-01-03 12:57:10 +11:00 committed by Matthew Barr
parent c699e98750
commit 10346f53f7
1 changed files with 3 additions and 1 deletions
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4
src/nfa/mcclellan.c
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@ -375,7 +375,9 @@ char mcclellanExec8_i(const struct mcclellan *m, u32 *state, const u8 *buf,
size_t len, u64a offAdj, NfaCallback cb, void *ctxt, size_t len, u64a offAdj, NfaCallback cb, void *ctxt,
char single, const u8 **c_final, enum MatchMode mode) { char single, const u8 **c_final, enum MatchMode mode) {
if (!len) { if (!len) {
*c_final = buf; if (mode == STOP_AT_MATCH) {
*c_final = buf;
}
return MO_ALIVE; return MO_ALIVE;
} }
u32 s = *state; u32 s = *state;