/****************************************************************************
* up_deviceimage.c
*
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name Gregory Nutt nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#ifdef VFAT_STANDALONE
# include <stdio.h>
# include <stdlib.h>
# include <zlib.h>
#else
# include <nuttx/config.h>
# include <sys/types.h>
# include <stdlib.h>
# include <debug.h>
# include <zlib.h>
# include "up_internal.h"
#endif
/****************************************************************************
* Private Definitions
****************************************************************************/
#ifdef VFAT_STANDALONE
# define dbg(format, arg...) printf(format, ##arg)
#endif
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/* This array holds a compressed VFAT file system created with:
*
* /sbin/mkdosfs -C -F 32 -I -n "NuttXTestVol" -S 512 -v nuttx-test.vfat 1024
* sudo mkdir /mnt/loop
* sudo mount -o loop nuttx-test.vfat /mnt/loop
* mkdir /mnt/loop/nuttx-test
* echo "This is a test" >/mnt/loop/nuttx-test/test-file.txt
* sudo umount /mnt/loop
* gzip nuttx-test.vfat
* xxd -g 1 nuttx-test.vfat.gz >some-file
*
* Then manually massaged from the gzip xxd output to zlib format. See
* http://www.faqs.org/rfcs/rfc1952.html
*/
static const unsigned char g_vfatdata[] =
{
0x08, 0x1d, 0xed, 0xdd, 0x4d, 0x6b, 0x13, 0x41, 0x18, 0x00, 0xe0, 0x69,
0x2d, 0xb6, 0x54, 0xfa, 0x71, 0x12, 0x3c, 0x39, 0x78, 0x53, 0x48, 0xa0,
0x55, 0x7a, 0x36, 0x07, 0xab, 0xa7, 0x22, 0x75, 0x5b, 0x72, 0x12, 0x52,
0x92, 0x6a, 0x68, 0x4c, 0x4a, 0x76, 0x8b, 0x2d, 0x48, 0x6f, 0xbd, 0xfb,
0x2f, 0xc4, 0x62, 0x4f, 0x7a, 0x13, 0xc5, 0x3f, 0x90, 0x7f, 0xe1, 0x2d,
0x97, 0x1e, 0x7b, 0x32, 0x6e, 0x4c, 0x53, 0x2c, 0x22, 0x7e, 0x80, 0x44,
0xf1, 0x79, 0x76, 0x67, 0x66, 0xd9, 0x97, 0x81, 0x59, 0xe6, 0x65, 0x19,
0xd8, 0x85, 0xe9, 0x96, 0x9f, 0x3f, 0xd9, 0xaa, 0xb6, 0xd2, 0xcd, 0x34,
0x84, 0xf1, 0xb1, 0x18, 0xc6, 0x43, 0x08, 0x53, 0x27, 0x21, 0xc4, 0x70,
0x3b, 0x0c, 0xcd, 0x9f, 0xb6, 0xfd, 0xd8, 0x58, 0xb8, 0x18, 0xce, 0xbb,
0x7e, 0xfc, 0xfa, 0xee, 0xf2, 0xca, 0x4e, 0x96, 0x95, 0x93, 0x5a, 0x9a,
0xad, 0xb7, 0x96, 0x4b, 0xc9, 0xcd, 0xc5, 0x18, 0xe3, 0xec, 0xd5, 0xf7,
0x4f, 0x9f, 0xbd, 0xba, 0xf6, 0x21, 0xbb, 0xb4, 0xfe, 0x66, 0xf6, 0xed,
0x64, 0xe8, 0xcc, 0x3f, 0xec, 0x1e, 0x2f, 0x7e, 0xec, 0x5c, 0xee, 0x5c,
0xe9, 0x7e, 0x4a, 0x1e, 0xd7, 0xd3, 0x98, 0x9f, 0xcd, 0x56, 0x16, 0x2b,
0x71, 0xa3, 0xd5, 0xca, 0x2a, 0x1b, 0x8d, 0x5a, 0xac, 0xd6, 0xd3, 0xad,
0x62, 0x8c, 0xf7, 0x1b, 0xb5, 0x4a, 0x5a, 0x8b, 0xf5, 0x66, 0x5a, 0x6b,
0x9f, 0x8b, 0x6f, 0x36, 0x5a, 0xdb, 0xdb, 0x7b, 0xb1, 0xd2, 0xac, 0xce,
0x4c, 0x6f, 0xb7, 0x6b, 0x69, 0x9a, 0x5f, 0xee, 0xc5, 0xad, 0xda, 0x5e,
0xcc, 0x5a, 0x31, 0x6b, 0xe7, 0x91, 0x47, 0x95, 0x7a, 0x33, 0x16, 0x8b,
0xc5, 0x38, 0x33, 0x1d, 0xf8, 0x91, 0xb5, 0xc3, 0xd5, 0xd5, 0x4a, 0x69,
0xd4, 0xa3, 0xe0, 0xcf, 0x6a, 0xb7, 0x4b, 0x95, 0x77, 0x93, 0x21, 0x4c,
0x7c, 0x13, 0x59, 0x3b, 0x1c, 0xc1, 0x70, 0x00, 0x80, 0x11, 0xeb, 0x5a,
0xff, 0xff, 0xc7, 0xac, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x76, 0x27, 0xbd, 0xde, 0x5c, 0x2f,
0x2f, 0xc3, 0xb6, 0x5f, 0x46, 0x3d, 0x26, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xe0, 0xd7, 0xf8, 0xfe, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xff, 0xbe, 0xaf, 0x36, 0xee, 0x9c, 0x0a, 0xe1, 0xc6, 0x8b,
0xa3, 0xa5, 0xa3, 0xa5, 0x41, 0x3b, 0x88, 0x97, 0x9a, 0x61, 0x27, 0x64,
0xf9, 0xb1, 0x1b, 0xe6, 0xc2, 0xbd, 0x42, 0x7e, 0x51, 0x0b, 0x69, 0x5e,
0xf7, 0xf5, 0x72, 0x2b, 0x6b, 0x49, 0x52, 0x2e, 0xec, 0x2f, 0xc4, 0x18,
0xe7, 0x43, 0xb5, 0xf3, 0x72, 0xd0, 0xbf, 0xdf, 0x5e, 0x18, 0xe1, 0x53,
0xf1, 0xb3, 0x8a, 0xf1, 0xcc, 0x7c, 0x08, 0x07, 0xa7, 0xf3, 0x77, 0x70,
0x36, 0x7f, 0xc5, 0xe2, 0xf7, 0xe2, 0x83, 0xfe, 0xa5, 0x61, 0x42, 0x14,
0xf2, 0xfc, 0xb8, 0xb5, 0x19, 0xea, 0xa1, 0x91, 0xdf, 0x28, 0x7e, 0xc9,
0x90, 0xdd, 0xbc, 0x4e, 0xee, 0x3c, 0x48, 0x0a, 0xcb, 0xfb, 0x0b, 0x49,
0x39, 0x89, 0xe7, 0xf3, 0x63, 0x22, 0xf8, 0xd1, 0x64, 0xf4, 0x86, 0x1b,
0xf1, 0x56, 0x62, 0x96, 0xbf, 0x04, 0xec, 0x99, 0x0b, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xbb, 0x3e, 0x03
};
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: up_deviceimage
*
* Description: Return an allocated buffer representing an in-memory VFAT
* file system.
*
****************************************************************************/
char *up_deviceimage(void)
{
char *pbuffer;
int bufsize = 1024*1024;
int offset = 0;
z_stream strm;
int ret;
/* Ininitilize inflate state */
strm.zalloc = Z_NULL;
strm.zfree = Z_NULL;
strm.opaque = Z_NULL;
strm.avail_in = 0;
strm.next_in = Z_NULL;
ret = inflateInit(&strm);
if (ret != Z_OK)
{
dbg("inflateInit FAILED: ret=%d msg=\"%s\"\n", ret, strm.msg ? strm.msg : "No message" );
return NULL;
}
/* Allocate a buffer to hold the decompressed buffer. We may have
* to reallocate this a few times to get the size right.
*/
pbuffer = (char*)malloc(bufsize);
/* Set up the input buffer */
strm.avail_in = sizeof(g_vfatdata);
strm.next_in = (Bytef*)g_vfatdata;
/* Run inflate() on input until output buffer not full */
do {
/* Set up to catch the next output chunk in the output buffer */
strm.avail_out = bufsize - offset;
strm.next_out = (Bytef*)&pbuffer[offset];
/* inflate */
ret = inflate(&strm, Z_NO_FLUSH);
/* Handle inflate() error return values */
switch (ret)
{
case Z_NEED_DICT:
case Z_DATA_ERROR:
case Z_MEM_ERROR:
case Z_STREAM_ERROR:
dbg("inflate FAILED: ret=%d msg=\"%s\"\n", ret, strm.msg ? strm.msg : "No message" );
(void)inflateEnd(&strm);
free(pbuffer);
return NULL;
}
/* If avail_out is zero, then inflate() returned only
* because it is out of buffer space. In this case, we
* will have to reallocate the buffer and try again.
*/
if (strm.avail_out == 0)
{
int newbufsize = bufsize + 128*1024;
char *newbuffer = realloc(pbuffer, newbufsize);
if (!newbuffer)
{
free(pbuffer);
return NULL;
}
else
{
pbuffer = newbuffer;
offset = bufsize;
bufsize = newbufsize;
}
}
else
{
/* There are unused bytes in the buffer, reallocate to
* correct size.
*/
int newbufsize = bufsize - strm.avail_out;
char *newbuffer = realloc(pbuffer, newbufsize);
if (!newbuffer)
{
free(pbuffer);
return NULL;
}
else
{
pbuffer = newbuffer;
bufsize = newbufsize;
}
}
} while (strm.avail_out == 0 && ret != Z_STREAM_END);
(void)inflateEnd(&strm);
return pbuffer;
}
/****************************************************************************
* Name: main
*
* Description: Used to test decompression logic
*
* gcc -g -Wall -DVFAT_STANDALONE -lz -o vfat-test up_deviceimage.c
*
****************************************************************************/
#ifdef VFAT_STANDALONE
int main(int argc, char **argv, char **envp)
{
char *deviceimage;
int cmf;
int fdict;
int flg;
int check;
cmf = g_vfatdata[0];
printf("CMF=%02x: CM=%d CINFO=%d\n", cmf, cmf &0x0f, cmf >> 4);
flg = g_vfatdata[1];
fdict = (flg >> 5) & 1;
printf("FLG=%02x: FCHECK=%d FDICT=%d FLEVEL=%d\n", flg, flg &0x1f, fdict, flg >> 6);
/* The FCHECK value must be such that CMF and FLG, when viewed as
* a 16-bit unsigned integer stored in MSB order (CMF*256 + FLG),
* is a multiple of 31.
*/
check = cmf*256 + flg;
if (check % 31 != 0)
{
printf("Fails check: %04x is not a multiple of 31\n", check);
}
deviceimage = up_deviceimage();
if (deviceimage)
{
printf("Inflate SUCCEEDED\n");
free(deviceimage);
return 0;
}
else
{
printf("Inflate FAILED\n");
return 1;
}
}
#endif
