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Diffstat (limited to 'utils/sansapatcher/sansaio.h')
-rw-r--r-- | utils/sansapatcher/sansaio.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/utils/sansapatcher/sansaio.h b/utils/sansapatcher/sansaio.h new file mode 100644 index 0000000000..61e2f1d1b2 --- /dev/null +++ b/utils/sansapatcher/sansaio.h @@ -0,0 +1,88 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * Copyright (C) 2006-2007 Dave Chapman + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ + +#ifndef __SANSAIO_H +#define __SANSAIO_H + +#include <stdint.h> +#if !defined(_MSC_VER) +#include <unistd.h> /* not available on MSVC */ +#endif + +#if defined(__WIN32__) || defined(_WIN32) +#include <windows.h> +#define loff_t int64_t +#else +#define HANDLE int +#define O_BINARY 0 + +/* Only Linux seems to need lseek64 and loff_t */ +#if !defined(linux) && !defined (__linux) +#define loff_t off_t +#define lseek64 lseek +#endif + +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +struct sansa_partinfo_t { + unsigned long start; /* first sector (LBA) */ + unsigned long size; /* number of sectors */ + int type; +}; + +struct mi4header_t { + uint32_t version; + uint32_t length; + uint32_t crc32; + uint32_t enctype; + uint32_t mi4size; + uint32_t plaintext; +}; + +struct sansa_t { + HANDLE dh; + unsigned char* sectorbuf; + char diskname[4096]; + int sector_size; + struct sansa_partinfo_t pinfo[4]; + int hasoldbootloader; + char* targetname; /* "e200" or "c200" */ + loff_t start; /* Offset in bytes of firmware partition from start of disk */ +}; + +void sansa_print_error(char* msg); +int sansa_open(struct sansa_t* sansa, int silent); +int sansa_reopen_rw(struct sansa_t* sansa); +int sansa_close(struct sansa_t* sansa); +int sansa_seek(struct sansa_t* sansa, loff_t pos); +int sansa_read(struct sansa_t* sansa, unsigned char* buf, int nbytes); +int sansa_write(struct sansa_t* sansa, int nbytes); +int sansa_alloc_buffer(struct sansa_t* sansa, int bufsize); +int sansa_dealloc_buffer(struct sansa_t* sansa); + +#ifdef __cplusplus +} +#endif +#endif |