On Apr 16, 2009, at 18:59 , Michael Ash wrote:
On Thu, Apr 16, 2009 at 2:47 PM, WT <[email protected]> wrote:
since he'll be dealing with the string's raw bytes, won't Miles
have to
manually add a null byte to terminate the search string?
The strnstr() function takes a length, and can thus be safely used on
buffers which contain no NUL byte.
As far as I can tell it only takes one length, and that's for the
string to be searched, so he will have to NULL-terminate the search
string (which is what WT was talking about as far as I can tell).
Well that would be the case if strnstr() were actually useful for him,
which I guess it isn't.
On Tiger and earlier, strnstr() had a bug where it could read one byte
past the length specified, which could cause a crash in certain
circumstances. Had a grand old time tracking that one down, I did. It
was eventually fixed in a security update, and I believe it was fixed
in Leopard from the start.
Funky stuff!
Marcel
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