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List:       mutt-dev
Subject:    bug#1171: mutt-1.3.28i: mutt_unlink is completely broken
From:       Michael Elkins <me () sigpipe ! org>
Date:       2002-04-29 17:10:15
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On Mon, Apr 29, 2002 at 04:48:08PM -0000, leitner@fefe.de wrote:
> mutt_unlink calls stat and then subtracts sizeof(buf) from (struct
> stat)sb.st_size until that becomes zero or negative.  Problem is, that
> element is unsigned on my system (Linux with diet libc).  This causes
> this brilliant loop to consume all system resources by writing and
> endless stream of zero bytes to an unlinked file in /tmp, thus eating
> all the available CPU and disk bandwidth.

According to both SUSv2 and SUSv3:

	blkcnt_t and off_t shall be signed integer types.

See http://www.opengroup.org/onlinepubs/007904975/basedefs/sys/types.h.html#tag_13_67

Why is off_t unsigned for diet libc?

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