Date: Mon, 15 Jul 2002 09:22:41 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: Todd.Miller@courtesan.com Cc: keramida@FreeBSD.ORG, bde@zeta.org.au, des@ofug.org, freebsd-audit@FreeBSD.ORG Subject: Re: bin/ln & WARNS=5 Message-ID: <20020715.092241.18906309.imp@bsdimp.com> In-Reply-To: <200207151514.g6FFE3BI007055@xerxes.courtesan.com> References: <20020715111436.GD50130@hades.hell.gr> <20020715.090420.83279095.imp@bsdimp.com> <200207151514.g6FFE3BI007055@xerxes.courtesan.com>
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In message: <200207151514.g6FFE3BI007055@xerxes.courtesan.com>
"Todd C. Miller" <Todd.Miller@courtesan.com> writes:
: In message <20020715.090420.83279095.imp@bsdimp.com>
: so spake "M. Warner Losh" (imp):
:
: > snprintf never returns a negative number. It always returns the
: > number of characters that it would have used to make the string.
:
: Actually, on Solaris snprintf can return -1 due to an incorrect
: locale-specific format string, although this does not appear to
: be documented.
:
: And of course, Single Unix used to specify that -1 was returned
: when out of space.
:
: If you are trying for "extreme portability" you might care.
Which is why snprintf() makes a bad substitute for strlen :-)
Warner
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