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- Subject: Re: Lua 4.0 (alpha), strfind-bug?
- From: Roberto Ierusalimschy <roberto@...>
- Date: Tue, 02 May 2000 15:27:38 -0300
> With my PowerMac Lua 4.0 I have discovered something that seems like
> a bug in "strfind".
It is a bug, and a silly one :-( In my machine, you can get the bug with
the following little chunk:
a = "abc "
print(strlen(a), strfind(a, "\0", strlen(a)-2, 1))
To fix it, you have to change one single line in lstrlib.c:
< const char *s2 = memfind(s+init, l1, p, l2);
> const char *s2 = memfind(s+init, l1-init, p, l2);
(In words, when you start the search with an offset, you must subtract the
offset from the total length of the subject.)
It will be fixed in next version.