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From: Tim Kientzle <kientzle@FreeBSD.org>
Date: Sun, 12 Apr 2009 04:45:40 +0000 (UTC)
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Subject: svn commit: r190955 - head/lib/libarchive
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Author: kientzle
Date: Sun Apr 12 04:45:40 2009
New Revision: 190955
URL: http://svn.freebsd.org/changeset/base/190955

Log:
  Merge r881 from libarchive.googlecode.com:  The "empty" format
  should not be recognized if there is a read error.

Modified:
  head/lib/libarchive/archive_read_support_format_empty.c

Modified: head/lib/libarchive/archive_read_support_format_empty.c
==============================================================================
--- head/lib/libarchive/archive_read_support_format_empty.c	Sun Apr 12 03:45:03 2009	(r190954)
+++ head/lib/libarchive/archive_read_support_format_empty.c	Sun Apr 12 04:45:40 2009	(r190955)
@@ -60,9 +60,10 @@ static int
 archive_read_format_empty_bid(struct archive_read *a)
 {
 	const void *h;
+	ssize_t avail;
 
-	h = __archive_read_ahead(a, 1, NULL);
-	if (h != NULL)
+	h = __archive_read_ahead(a, 1, &avail);
+	if (avail != 0)
 		return (-1);
 	return (1);
 }