dovecot-1.0: Fixed "file size unexpectedly shrinked" error in so...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-1.0/rev/74f69026f8e2
changeset: 5424:74f69026f8e2
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Oct 16 19:22:16 2007 +0300
description:
Fixed "file size unexpectedly shrinked" error in some conditions.

diffstat:

1 file changed, 3 insertions(+), 1 deletion(-)
src/lib-storage/index/mbox/istream-raw-mbox.c |    4 +++-

diffs (14 lines):

diff -r c65c5aeaf115 -r 74f69026f8e2 src/lib-storage/index/mbox/istream-raw-mbox.c
--- a/src/lib-storage/index/mbox/istream-raw-mbox.c	Tue Oct 16 16:55:16 2007 +0300
+++ b/src/lib-storage/index/mbox/istream-raw-mbox.c	Tue Oct 16 19:22:16 2007 +0300
@@ -289,7 +289,9 @@ static ssize_t _read(struct _istream *st
 		new_pos = from_start_pos;
 	} else {
 		/* leave out the beginnings of potential From-line + CR */
-		new_pos = i - (fromp - mbox_from) - 1;
+		new_pos = i - (fromp - mbox_from);
+		if (new_pos > 0)
+			new_pos--;
 	}
 
 	stream->buffer = buf;