On 6 Dec 2012, at 14:14, Igor Tandetnik wrote:
> Your code assumes, in several places, that strings passed to collation
> function are NUL-terminated. They don't have to be - that's why lengths are
> also passed. I think this may be causing the problem you are seeing: when the
> string comes from a literal (as in x < '' ) it just may happen to be
> NUL-terminated, but when it comes straight from the database, it may not be,
> and you are cheerfully reading garbage past the end of buffer.
Thanks for your analysis and helpful comments.
I'll need to take care to make a NUL-terminated copy of each source
string,
as inet_pton doesn't take a count argument.
> Your test program, of course, always happens to pass NUL-terminated strings.
Doh! 8-)
/Niall
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