fileimage.c File Reference

cbmimage: image specific processing More...

#include "cbmimage/internal.h"
#include "cbmimage/alloc.h"
#include "cbmimage/helper.h"
#include <assert.h>
#include <stdio.h>
#include <string.h>

Include dependency graph for fileimage.c:

Classes
struct	cbmimage_mapping_size_imagetype_s

Typedefs
typedef struct cbmimage_mapping_size_imagetype_s	cbmimage_mapping_size_imagetype

Functions
static int	cbmimage_i_get_number_of_blocks (cbmimage_imagetype imagetype)
void	cbmimage_i_create_last_block (cbmimage_fileimage *image)
static cbmimage_fileimage *	cbmimage_i_fileimage_create (const uint8_t *buffer, size_t size, const char *filename, cbmimage_imagetype imagetype_hint)
cbmimage_imagetype	cbmimage_image_guesstype (const uint8_t *buffer, size_t size, int *extra_errormap)
cbmimage_imagetype	cbmimage_image_file_guesstype (const char *filename)
cbmimage_fileimage *	cbmimage_image_open (const uint8_t *buffer, size_t size, cbmimage_imagetype imagetype_hint)
	open an in-memory CBM image
cbmimage_fileimage *	cbmimage_image_openfile (const char *filename, cbmimage_imagetype imagetype_hint)
	open a CBM image from a file
void	cbmimage_image_readfile (cbmimage_fileimage *image, const char *filename)
	read a file and store it in a given CBM image
void	cbmimage_image_writefile (cbmimage_fileimage *image, const char *filename)
	write the CBM image to a file
void	cbmimage_image_close (cbmimage_fileimage *image)
	close a CBM image
void	cbmimage_image_fat_dump (cbmimage_fileimage *image, int trackformat)
	dump a FAT structure of the image

Variables
static cbmimage_mapping_size_imagetype	cbmimage_mapping_from_size_to_imagetype []

Detailed Description

cbmimage: image specific processing

Author

Spiro Trikaliotis

Typedef Documentation

cbmimage_mapping_size_imagetype

typedef struct cbmimage_mapping_size_imagetype_s cbmimage_mapping_size_imagetype

structure for mapping of image type and their respective file size

Function Documentation

cbmimage_i_get_number_of_blocks()

static int cbmimage_i_get_number_of_blocks ( cbmimage_imagetype imagetype )

static

get the number of blocks of an image type

Parameters

[in]

imagetype

The image type for which to determine the number of blocks

Returns

The number of blocks of this image type

Variable Documentation

cbmimage_mapping_from_size_to_imagetype

cbmimage_mapping_size_imagetype cbmimage_mapping_from_size_to_imagetype[]

static

Initial value:

= {
  { "D64",        TYPE_D64,                  174848,                               683          },
  { "D64_40",     TYPE_D64_40TRACK,          174848 + 5 * 17 * 256,                683 + 5 * 17 },
  { "D64_42",     TYPE_D64_42TRACK,          174848 + 7 * 17 * 256,                683 + 7 * 17 },
  { "D40",        TYPE_D40,                  174848 + 7 * 256,                     683 + 7      },
  { "D71",        TYPE_D71,                  174848 * 2,                           683 * 2      },
  { "D81",        TYPE_D81,                  819200,                               3200         },
  { "D80",        TYPE_D80,                  533248,                               2083         },
  { "D82",        TYPE_D82,                  533248 * 2,                           2083 * 2     },
  { "D1M",        TYPE_CMD_D1M,              3240 * 256,                           3240         },
  { "D2M",        TYPE_CMD_D2M,              3240 * 256 * 2,                       3240 * 2     },
  { "D4M",        TYPE_CMD_D4M,              3240 * 256 * 4,                       3240 * 4     },
}

mapping of image type and their respective file size Note that image types can have multiple entries. This happens because there are variants, for example, with and without an error map.