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textsearch: fix Boyer-Moore text search bug
authorJoonwoo Park <joonwpark81@gmail.com>
Mon, 30 Jun 2008 19:42:23 +0000 (12:42 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 30 Jun 2008 19:42:23 +0000 (12:42 -0700)
commitaebb6a849cfe7d89bcacaaecc20a480dfc1180e7
tree6a7cf5c6bdc80c75ec843d8ee44cd98039ca6fd7tree | snapshot (tar.gz zip)
parent84ebe1cdae56707b9aa1b40ae5aa7d817ba745f5commit | diff
textsearch: fix Boyer-Moore text search bug

The current logic has a bug which cannot find matching pattern, if the
pattern is matched from the first character of target string.
for example:
pattern=abc, string=abcdefg
pattern=a,   string=abcdefg
Searching algorithm should return 0 for those things.

Signed-off-by: Joonwoo Park <joonwpark81@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
lib/ts_bm.c diff | blob | blame | history