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Improved rebuilding a runlist

PERMISSION_HANDLING_BRANCH
Jean-Pierre André 2010-10-26 08:59:51 +02:00
parent 1898b11481
commit 518196ba5e
1 changed files with 7 additions and 17 deletions
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24
libntfs-3g/runlist.c
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@ -5,7 +5,7 @@
* Copyright (c) 2002-2005 Richard Russon
* Copyright (c) 2002-2008 Szabolcs Szakacsits
* Copyright (c) 2004 Yura Pakhuchiy
* Copyright (c) 2007-2009 Jean-Pierre Andre
* Copyright (c) 2007-2010 Jean-Pierre Andre
*
* This program/include file is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as published
@ -1418,28 +1418,18 @@ int ntfs_write_significant_bytes(u8 *dst, const u8 *dst_max, const s64 n)
{
s64 l = n;
int i;
s8 j;
i = 0;
do {
if (dst > dst_max)
goto err_out;
*dst++ = l;
i++;
while ((l > 0x7f) || (l < -0x80)) {
if (dst > dst_max)
goto err_out;
*dst++ = l & 0xffLL;
l >>= 8;
*dst++ = l;
i++;
} while (l != 0LL && l != -1LL);
j = (n >> 8 * (i - 1)) & 0xff;
/* If the sign bit is wrong, we need an extra byte. */
if (n < 0LL && j >= 0) {
if (dst > dst_max)
goto err_out;
i++;
*dst = (u8)-1;
} else if (n > 0LL && j < 0) {
if (dst > dst_max)
goto err_out;
i++;
*dst = 0;
}
return i;
err_out: