Date: Thu, 24 Apr 2008 08:22:51 +0100 (BST) From: Robert Watson <rwatson@FreeBSD.org> To: Bakul Shah <bakul@bitblocks.com> Cc: Garrett Cooper <yanefbsd@gmail.com>, hackers@freebsd.org Subject: Re: Fwd: strdup(NULL) supposed to create SIGSEGV? Message-ID: <20080424082155.G10114@fledge.watson.org> In-Reply-To: <20080423185431.3FA615BB1@mail.bitblocks.com> References: <20080423185431.3FA615BB1@mail.bitblocks.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 23 Apr 2008, Bakul Shah wrote: > The *exception* is where a function is explicitly prepared to handle NULLs. > One must read its man page carefully and if it doesn't say anything about > how NULLs in place of ptrs are handled, one must not pass in NULLs! While I recognize there are some useful consumer simplicity benefits to accepting NULL as an argument to free(3), it's always made me a bit uneasy for this reason. Robert N M Watson Computer Laboratory University of Cambridge
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080424082155.G10114>