Re: Reading in dictionary from txt file: options for speed
Re: Reading in dictionary from txt file: options for speed
- Subject: Re: Reading in dictionary from txt file: options for speed
- From: Michael Ash <email@hidden>
- Date: Thu, 16 Apr 2009 21:59:33 -0400
On Thu, Apr 16, 2009 at 2:47 PM, WT <email@hidden> wrote:
> Marcel,
>
> 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.
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.
Mike
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