Date: Sat, 12 Dec 1998 20:25:32 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: freebsd-current@FreeBSD.ORG Subject: PR bin/8637 fgetpos()/fsetpos() limited to 32 bits Message-ID: <199812130425.UAA16020@apollo.backplane.com>
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This is an interesting one. fgetpos() and fsetpos() utilizes
fpos_t holding storage, which is 64 bits. However, both of these
routines use ftell() and fseek() internally which truncate offsets to
32 bits.
I've also examined the FILE structure which appears to store the offset
as an fpos_t, a 64 bit quantity.
It should therefore be relatively easy to fix fgetpos() and fsetpos()
to operate with > 32 bit quantities (as, I think, they were meant to)
without changing any critical structures.
It would also be great if we could generate quad versions for fseek and
ftell as well (since they'd have to be written anyway to support fgetpos()
and fsetpos()).
I would put forth fqtell() and fqseek() unless there is some defacto
standard already in place. These functions would use the same typing
as lseek(). i.e. off_t.
-Matt
Matthew Dillon Engineering, HiWay Technologies, Inc. & BEST Internet
Communications & God knows what else.
<dillon@backplane.com> (Please include original email in any response)
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