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libxmount_input_raw.h
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libxmount_input_raw.h
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/*******************************************************************************
* xmount Copyright (c) 2008-2016 by Gillen Daniel <gillen.dan@pinguin.lu> *
* *
* Mostly based upon code written and copyright 2014 by Guy Voncken. *
* *
* 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 3 of the License, or (at your option) *
* any later version. *
* *
* This program is distributed in the hope that it will be useful, but WITHOUT *
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or *
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for *
* more details. *
* *
* You should have received a copy of the GNU General Public License along with *
* this program. If not, see <http://www.gnu.org/licenses/>. *
*******************************************************************************/
#ifndef LIBXMOUNT_INPUT_RAW_H
#define LIBXMOUNT_INPUT_RAW_H
/*******************************************************************************
* Error codes etc...
******************************************************************************/
enum {
RAW_OK=0,
RAW_MEMALLOC_FAILED,
RAW_FILE_OPEN_FAILED,
RAW_CANNOT_READ_DATA,
RAW_CANNOT_CLOSE_FILE,
RAW_CANNOT_SEEK,
RAW_READ_BEYOND_END_OF_IMAGE
};
// ----------------------
// Constant definitions
// ----------------------
#define GETMAX(a,b) ((a)>(b)?(a):(b))
#define GETMIN(a,b) ((a)<(b)?(a):(b))
// ---------------------
// Types and strutures
// ---------------------
typedef struct {
char *pFilename;
uint64_t FileSize;
FILE *pFile;
} t_Piece, *t_pPiece;
typedef struct {
t_pPiece pPieceArr;
uint64_t Pieces;
uint64_t TotalSize;
} t_raw, *t_praw;
// ----------------
// Error handling
// ----------------
#ifdef RAW_DEBUG
#define CHK(ChkVal) \
{ \
int ChkValRc; \
if ((ChkValRc=(ChkVal)) != RAW_OK) \
{ \
printf ("Err %d in %s, %d\n", ChkValRc, __FILE__, __LINE__); \
return ChkValRc; \
} \
}
#define DEBUG_PRINTF(pFormat, ...) \
printf (pFormat, ##__VA_ARGS__);
#else
#define CHK(ChkVal) \
{ \
int ChkValRc; \
if ((ChkValRc=(ChkVal)) != RAW_OK) \
return ChkValRc; \
}
#define DEBUG_PRINTF(...)
#endif
/*******************************************************************************
* Forward declarations
******************************************************************************/
static int RawCreateHandle(void **pp_handle,
const char *p_format,
uint8_t debug);
static int RawDestroyHandle(void **pp_handle);
static int RawOpen(void *p_handle,
const char **pp_filename_arr,
uint64_t filename_arr_len);
static int RawClose(void *p_handle);
static int RawSize(void *p_handle,
uint64_t *p_size);
static int RawRead(void *p_handle,
char *p_buf,
off_t seek,
size_t count,
size_t *p_read,
int *p_errno);
static int RawOptionsHelp(const char **pp_help);
static int RawOptionsParse(void *p_handle,
uint32_t options_count,
const pts_LibXmountOptions *pp_options,
const char **pp_error);
static int RawGetInfofileContent(void *p_handle,
const char **pp_info_buf);
static const char* RawGetErrorMessage(int err_num);
static int RawFreeBuffer(void *p_buf);
#endif // LIBXMOUNT_INPUT_RAW_H

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