From: "Joseph D. Wagner" <theman@josephdwagner.info>
To: Jeff Woods <kazrak+kernel@cesmail.net>
Cc: linux-c-programming@vger.kernel.org
Subject: Re: More Pointer Woes
Date: Sun, 28 Dec 2003 22:06:00 +0600 [thread overview]
Message-ID: <200312282206.00330.theman@josephdwagner.info> (raw)
In-Reply-To: <6.0.1.1.0.20031228182648.04161950@no.incoming.mail>
> "fs->blocksize" refers to a field "blocksize" in a struct or union that
> the pointer "fs" indicates. If "fs" isn't a pointer to a struct (or
> union) then the "->" operator isn't valid. What type is "fs"?
ext2_filsys *fs which can be found in ext2fs.h
> P.S. Did you get this code from an email? Perhaps the ">" came from an
> email quote that didn't get cleaned up and "fs-blocksize" morphed into
> "fs->blocksize". But this looks like a long-shot to me. I expect that
> "fs" is supposed to be a pointer to a struct.
No, I wrote it myself. I've tried:
fs.blocksize
fs->blocksize
*(fs).blocksize (which should be the same thing)
*(fs->blocksize)
*fs->blocksize
*(fs.blocksize)
&(fs->blocksize)
To simplify it:
int blocksize_k = fs->blocksize;
also fails. blocksize is of type int.
Joseph D. Wagner
next prev parent reply other threads:[~2003-12-28 16:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-28 13:45 More Pointer Woes Joseph D. Wagner
2003-12-29 2:32 ` Jeff Woods
2003-12-28 16:06 ` Joseph D. Wagner [this message]
2003-12-29 13:44 ` Mariano Moreyra
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