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| author | Arnold D. Robbins <arnold@skeeve.com> | 2019-08-23 13:23:15 +0300 |
|---|---|---|
| committer | Arnold D. Robbins <arnold@skeeve.com> | 2019-08-23 13:23:15 +0300 |
| commit | 8de8e60457bc273694f4b42e4f3f7148bd075576 (patch) | |
| tree | 26666bd5df54d7520810ad18e7476db3e961cd58 /re.c | |
| parent | ea165901ac317100d3d54bc2ad7fc3582b1dd53c (diff) | |
| download | egawk-8de8e60457bc273694f4b42e4f3f7148bd075576.tar.gz egawk-8de8e60457bc273694f4b42e4f3f7148bd075576.tar.bz2 egawk-8de8e60457bc273694f4b42e4f3f7148bd075576.zip | |
Small code cleanup in re.c.
Diffstat (limited to 're.c')
| -rw-r--r-- | re.c | 9 |
1 files changed, 6 insertions, 3 deletions
@@ -438,9 +438,12 @@ re_update(NODE *t) refree(t->re_reg[1]); t->re_reg[1] = NULL; } - if (t->re_cnt > 0) - t->re_cnt++; - if (t->re_cnt > 10) + if (t->re_cnt > 0 && ++t->re_cnt > 10) + /* + * The regex appears to update frequently, so disable DFA + * matching (which trades off expensive upfront compilation + * overhead for faster subsequent matching). + */ t->re_cnt = 0; if (t->re_text == NULL) { /* reset regexp text if needed */ |