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@@ -111,15 +111,14 @@ static int subpattern(u8 *pattern, int i, int j, int g)
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return ret;
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}
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-static void compute_prefix_tbl(struct ts_bm *bm, const u8 *pattern,
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- unsigned int len)
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+static void compute_prefix_tbl(struct ts_bm *bm)
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{
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int i, j, g;
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for (i = 0; i < ASIZE; i++)
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- bm->bad_shift[i] = len;
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- for (i = 0; i < len - 1; i++)
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- bm->bad_shift[pattern[i]] = len - 1 - i;
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+ bm->bad_shift[i] = bm->patlen;
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+ for (i = 0; i < bm->patlen - 1; i++)
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+ bm->bad_shift[bm->pattern[i]] = bm->patlen - 1 - i;
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/* Compute the good shift array, used to match reocurrences
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* of a subpattern */
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@@ -150,8 +149,8 @@ static struct ts_config *bm_init(const void *pattern, unsigned int len,
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bm = ts_config_priv(conf);
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bm->patlen = len;
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bm->pattern = (u8 *) bm->good_shift + prefix_tbl_len;
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- compute_prefix_tbl(bm, pattern, len);
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memcpy(bm->pattern, pattern, len);
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+ compute_prefix_tbl(bm);
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return conf;
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}
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