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Optimize [Cc]flag case: don't repeatedly add the last character of

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string2 to squeeze cset when string2 reach its EOS state.
This commit is contained in:
Andrey A. Chernov 2016-07-14 09:26:53 +00:00
parent 4573d5012b
commit c4c8ae8b87
1 changed files with 4 additions and 3 deletions
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7
usr.bin/tr/tr.c
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@ -272,10 +272,11 @@ main(int argc, char **argv)
if (Cflag && !iswrune(cnt))
continue;
if (cmap_lookup(map, cnt) == OOBCH) {
if (next(&s2))
if (next(&s2)) {
cmap_add(map, cnt, s2.lastch);
if (sflag)
cset_add(squeeze, s2.lastch);
if (sflag)
cset_add(squeeze, s2.lastch);
}
} else
cmap_add(map, cnt, cnt);
if ((s2.state == EOS || s2.state == INFINITE) &&