Date: Mon, 7 Feb 2005 17:25:46 +0100 From: Joerg Sonnenberger <joerg@britannica.bec.de> To: hackers@freebsd.org Subject: Re: finding casts from a type Message-ID: <20050207162546.GA41246@britannica.bec.de> In-Reply-To: <20050207161012.GA23177@odin.ac.hmc.edu> References: <20050207161012.GA23177@odin.ac.hmc.edu>
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On Mon, Feb 07, 2005 at 08:10:13AM -0800, Brooks Davis wrote: > I'm trying to figure out an efficent way to find all the places where a > given type (in my case struct ifnet *) is cast to another. Does anyone > know of a tool to do this? I need to include implicit casts to (void > *). I could do it by hand, but this is would be tedious and error prone > given that there are over 330 files that refrence struct ifnet in the > kernel. The ideal solution would be a pragma or something to cause > gcc to generate a warning since once I move struct ifnet out of driver > softc's all casts will be bugs. Initially I need to catch (void *) > casts, but that probably won't be necessicary long term. What about using preprocessor / sed magic to convert struct ifnet to volatile struct ifnet? The few places where this is correctly casted away should be easy to find. Joerg
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