linux-ext4 - Re: [PATCH 01/13][e2fsprogs] Add initial checksum support.

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Message-ID: <20071015024605.GA21216@thunk.org>
Date:	Sun, 14 Oct 2007 22:46:05 -0400
From:	Theodore Tso <tytso@....edu>
To:	"Jose R. Santos" <jrs@...ibm.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 01/13][e2fsprogs] Add initial checksum support.

In crc16.h, this patch assumes that linux/types.h defines uint16_t.  

There are a couple of problems with this.  

#1) linux/types.h is non-portable, not only does it not exist on
 non-Linux systems, apparently on Ubuntu it's not always defining
 uint16_t.  On my Ubuntu gutsy system, it doesn't always get defined.

        CC ../../../lib/ext2fs/crc16.c
In file included from ../../../lib/ext2fs/crc16.c:10:
../../../lib/ext2fs/crc16.h:20: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘const’
../../../lib/ext2fs/crc16.h:22: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘crc16’

The right thing to do is to use ext2fs/ext2_types.h like everything
else in e2fsprogs, and use __u16 instead of uint16_t.

     		       	   	 	    - Ted
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