Date: Wed, 9 Oct 2002 16:23:46 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: Mike Barcroft <mike@FreeBSD.ORG> Cc: Andrew Gallatin <gallatin@cs.duke.edu>, <freebsd-arch@FreeBSD.ORG> Subject: Re: lp64 vs lp32 printf Message-ID: <20021009161756.E4040-100000@gamplex.bde.org> In-Reply-To: <20021008203120.K97120@espresso.q9media.com>
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On Tue, 8 Oct 2002, Mike Barcroft wrote: > Andrew Gallatin <gallatin@cs.duke.edu> writes: > > > > What's the accepted way to printf something (like sizeof()) which > > boils down to "unsigned int" on x86 and "unsigned long" on the LP64 > > platforms? > > In userland you can use %z for printing size_t's. In the kernel, > casting to intmax_t/uintmax_t and using %j is correct. Um, using intmax_t to print size_t's would be incorrect, since it is signed. Using uintmax_t would be bloat. Very few typedefed types need the full bloat of [u]intmax_t, and size_t is unlikely to become one of them before casting it to uintmax_t to print it becomes a style bug in the kernel too (when %z is implemented). To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message
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