jmemdos.c File Reference

#include "jinclude.h"
#include "jpeglib.h"
#include "jmemsys.h"

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Classes
struct	XMScontext
struct	EMScontext
Defines
#define	JPEG_INTERNALS
#define	far_malloc(x)   malloc(x)
#define	far_free(x)   free(x)
#define	READ_BINARY   "rb"
#define	DEFAULT_MAX_MEM   300000L
Functions
short far jdos_open	JPP ((short far *handle, char far *filename))
short far jdos_close	JPP ((short handle))
short far jdos_seek	JPP ((short handle, long offset))
short far jdos_read	JPP ((short handle, void far *buffer, unsigned short count))
void far jxms_getdriver	JPP ((XMSDRIVER far *))
void far jxms_calldriver	JPP ((XMSDRIVER, XMScontext far *))
short far jems_available	JPP ((void))
void far jems_calldriver	JPP ((EMScontext far *))
	select_file_name (char *fname)
	jpeg_get_small (j_common_ptr cinfo, size_t sizeofobject)
	jpeg_free_small (j_common_ptr cinfo, void *object, size_t sizeofobject)
	jpeg_get_large (j_common_ptr cinfo, size_t sizeofobject)
	jpeg_free_large (j_common_ptr cinfo, void FAR *object, size_t sizeofobject)
	jpeg_mem_available (j_common_ptr cinfo, long min_bytes_needed, long max_bytes_needed, long already_allocated)
	read_file_store (j_common_ptr cinfo, backing_store_ptr info, void FAR *buffer_address, long file_offset, long byte_count)
	write_file_store (j_common_ptr cinfo, backing_store_ptr info, void FAR *buffer_address, long file_offset, long byte_count)
	close_file_store (j_common_ptr cinfo, backing_store_ptr info)
	open_file_store (j_common_ptr cinfo, backing_store_ptr info, long total_bytes_needed)
	jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info, long total_bytes_needed)
	jpeg_mem_init (j_common_ptr cinfo)
	jpeg_mem_term (j_common_ptr cinfo)
Variables
You forgot to define USE_MSDOS_MEMMGR in jconfig h MAX_ALLOC_CHUNK should be less than typedef void far *	XMSDRIVER

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Define Documentation

#define DEFAULT_MAX_MEM   300000L

#define far_free

(

x

)

free(x)

#define far_malloc

(

x

)

malloc(x)

#define JPEG_INTERNALS

#define READ_BINARY   "rb"

---

Function Documentation

close_file_store	(	j_common_ptr	cinfo,
		backing_store_ptr	info
	)

jpeg_free_large	(	j_common_ptr	cinfo,
		void FAR *	object,
		size_t	sizeofobject
	)

jpeg_free_small	(	j_common_ptr	cinfo,
		void *	object,
		size_t	sizeofobject
	)

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jpeg_get_large	(	j_common_ptr	cinfo,
		size_t	sizeofobject
	)

jpeg_get_small	(	j_common_ptr	cinfo,
		size_t	sizeofobject
	)

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jpeg_mem_available	(	j_common_ptr	cinfo,
		long	min_bytes_needed,
		long	max_bytes_needed,
		long	already_allocated
	)

jpeg_mem_init

(

j_common_ptr

cinfo

)

jpeg_mem_term

(

j_common_ptr

cinfo

)

jpeg_open_backing_store	(	j_common_ptr	cinfo,
		backing_store_ptr	info,
		long	total_bytes_needed
	)

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short far jdos_seek JPP

(

(short handle, long offset)

)

void far jxms_calldriver JPP

(

(XMSDRIVER, XMScontext far *)

)

short far jdos_write JPP

(

(short handle, void far *buffer, unsigned short count)

)

short far jdos_open JPP

(

(short far *handle, char far *filename)

)

short far jdos_close JPP

(

(short handle)

)

void far jems_calldriver JPP

(

(EMScontext far *)

)

short far jems_available JPP

(

(void)

)

void far jxms_getdriver JPP

(

(XMSDRIVER far *)

)

open_file_store	(	j_common_ptr	cinfo,
		backing_store_ptr	info,
		long	total_bytes_needed
	)

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read_file_store	(	j_common_ptr	cinfo,
		backing_store_ptr	info,
		void FAR *	buffer_address,
		long	file_offset,
		long	byte_count
	)

select_file_name

(

char *

fname

)

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write_file_store	(	j_common_ptr	cinfo,
		backing_store_ptr	info,
		void FAR *	buffer_address,
		long	file_offset,
		long	byte_count
	)

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Variable Documentation

You forgot to define USE_MSDOS_MEMMGR in jconfig h MAX_ALLOC_CHUNK should be less than typedef void far* XMSDRIVER