Date: Wed, 12 Feb 1997 20:45:17 +1100 From: David Nugent <davidn@labs.usn.blaze.net.au> To: "Daniel O'Callaghan" <danny@panda.hilink.com.au> Cc: hackers@freebsd.org Subject: Re: strlen() question Message-ID: <19970212204517.26504@usn.blaze.net.au> In-Reply-To: <Pine.BSF.3.91.970212175317.427s-100000@panda.hilink.com.au>; from Daniel O'Callaghan on Feb 02, 1997 at 06:04:59PM References: <Pine.BSF.3.91.970212175317.427s-100000@panda.hilink.com.au>
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On Feb 02, 1997 at 06:04:59PM, Daniel O'Callaghan wrote: > Below is the code for strlen() from libc. It is extremely simple, and > fast. Is it really safe to assume that strlen() will never exceed process > memory bounds before striking a '\0'? This is the programmer's responsibility. > Or should there be a strnlen() function in libc for checking the > length of suspicious strings? No. FWIW, you can use memchr(3) for that. Regards, David Nugent - Unique Computing Pty Ltd - Melbourne, Australia Voice +61-3-9791-9547 Data/BBS +61-3-9792-3507 3:632/348@fidonet davidn@freebsd.org davidn@blaze.net.au http://www.blaze.net.au/~davidn/
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