Date: Wed, 11 Aug 2004 16:06:39 -0400 From: James Housley <jim@Thehousleys.net> To: "Thordur Ivar B." <thib@mi.is> Cc: freebsd-hackers@freebsd.org Subject: Re: Where is strnlen() ? Message-ID: <411A7C4F.9060500@Thehousleys.net> In-Reply-To: <20040811193254.6f0be2c2.thib@mi.is> References: <20040811193254.6f0be2c2.thib@mi.is>
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[-- Attachment #1 --] Thordur Ivar B. wrote: > While porting software from a friend wich was developed under Linux, I stumbled > upon an error: src/socket.c:236: warning: implicit declaration of function > `strnlen' > > Now my programming experience is nothing to brag about but I wonder why strnlen > is not a part of FreeBSD's libc. I think that the use of strlen() insted of > strnlen() could resault in buffer-overflow risks and my fellows (most of them > are more experienced in the art of programming say that bounds checking is > always good.) > I see one small, specialiezed use. That is in a structure were a string for max length doesn't get the terminator, this would prevent reading throught the rest of the data to find a null somewhere. Jim -- /"\ ASCII Ribbon Campaign . \ / - NO HTML/RTF in e-mail . X - NO Word docs in e-mail . / \ ----------------------------------------------------------------- jeh@FreeBSD.org http://www.FreeBSD.org The Power to Serve jim@TheHousleys.Net http://www.TheHousleys.net --------------------------------------------------------------------- It's always a long day, 86400 doesn't fit into a short. [-- Attachment #2 --] 0 *H 01 0 + 0 *H #00U 0 *H 0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA0 040131191100Z 050130191100Z0^10UHousley10 U*James10U James Housley1"0 *H jim@thehousleys.net0"0 *H 0 %k7o_tg ?@<_P. Eh;_{)SӻNKH)'M(W_w%ވ,UnJ13{ ㎊t [lBg] ѢbkKZ 3OXmuq2$=d8ݨiܠc[)"(Vln嗛x RE%H%'zm6 ;!nij0$c` wӁX ᝐCs 00.0 U 0jim@thehousleys.net0 U 0 0 *H }Nrx4Ae+d)?O}ibqWSVَ Uր 0QjL*m$A "Vs̱8~`0e&q$5]%ړN00U 0 *H 0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA0 040131191100Z 050130191100Z0^10UHousley10 U*James10U James Housley1"0 *H jim@thehousleys.net0"0 *H 0 %k7o_tg ?@<_P. Eh;_{)SӻNKH)'M(W_w%ވ,UnJ13{ ㎊t [lBg] ѢbkKZ 3OXmuq2$=d8ݨiܠc[)"(Vln嗛x RE%H%'zm6 ;!nij0$c` wӁX ᝐCs 00.0 U 0jim@thehousleys.net0 U 0 0 *H }Nrx4Ae+d)?O}ibqWSVَ Uր 0QjL*m$A "Vs̱8~`0e&q$5]%ړN0?0 0 *H 01 0 UZA10U Western Cape10U Cape Town10U Thawte Consulting1(0&U Certification Services Division1$0"UThawte Personal Freemail CA1+0) *H personal-freemail@thawte.com0 030717000000Z 130716235959Z0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA00 *H 0 Ħ<UsUNʙZ hup [v :aQP 0cZ,p+Z?qV˯< 6$*+w=+>@dקe*TH<a@ dr` 00U 0 0CU <0:08642http://crl.thawte.com/ThawtePersonalFreemailCA.crl0 U 0)U "0 0 10UPrivateLabel2-1380 *H HP . fgCL!6 -6/ P p<ab:~ t%Pb'qW%ݩ9 Oe_N4[5MwV!x!5$ F]_eO1;070i0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA 0 + 0 *H 1 *H 0 *H 1 040811200639Z0# *H 1~d/ :n0R *H 1E0C0 *H 0*H 0 *H @0+0 *H (0x +71k0i0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA 0z *H 1ki0b1 0 UZA1%0#U Thawte Consulting (Pty) Ltd.1,0*U#Thawte Personal Freemail Issuing CA 0 *H )NmNs ŵ&unb /_J> xDPS* ͰYArU %U{ok Xw\stH# ĒM(|vX ח_:ΔU/RMwU#s:h kkj&?V_ς%DmrzؠiwS+F( ~M'EK誁 R6IuN[L v T͏NJZfjDU|@\help
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