jmemname.c File Reference

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

Go to the source code of this file.

Macros
#define	JPEG_INTERNALS
#define	SEEK_SET   0 /* if not, assume 0 is correct */
#define	READ_BINARY   "rb"
#define	RW_BINARY   "w+b"
#define	TEMP_DIRECTORY   "/usr/tmp/" /* recommended setting for Unix */
#define	TEMP_FILE_NAME   "%sJPG%dXXXXXX"
#define	DEFAULT_MAX_MEM   1000000L /* default: one megabyte */

Functions
	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_backing_store (j_common_ptr cinfo, backing_store_ptr info, void FAR *buffer_address, long file_offset, long byte_count)
	write_backing_store (j_common_ptr cinfo, backing_store_ptr info, void FAR *buffer_address, long file_offset, long byte_count)
	close_backing_store (j_common_ptr cinfo, backing_store_ptr info)
	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)

Macro Definition Documentation

DEFAULT_MAX_MEM

#define DEFAULT_MAX_MEM   1000000L /* default: one megabyte */

Definition at line 184 of file jmemname.c.

JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 15 of file jmemname.c.

READ_BINARY

#define READ_BINARY   "rb"

Definition at line 37 of file jmemname.c.

RW_BINARY

#define RW_BINARY   "w+b"

Definition at line 38 of file jmemname.c.

Referenced by jpeg_open_backing_store().

SEEK_SET

#define SEEK_SET   0 /* if not, assume 0 is correct */

Definition at line 26 of file jmemname.c.

Referenced by read_backing_store(), and write_backing_store().

TEMP_DIRECTORY

#define TEMP_DIRECTORY   "/usr/tmp/" /* recommended setting for Unix */

Definition at line 70 of file jmemname.c.

Referenced by select_file_name().

TEMP_FILE_NAME

#define TEMP_FILE_NAME   "%sJPG%dXXXXXX"

Definition at line 122 of file jmemname.c.

Referenced by select_file_name().

Function Documentation

close_backing_store()

close_backing_store	(	j_common_ptr	cinfo,
		backing_store_ptr	info
	)

Definition at line 230 of file jmemname.c.

References GLOBAL, info, backing_store_struct::temp_file, backing_store_struct::temp_name, and TRACEMSS.

Referenced by jpeg_open_backing_store().

jpeg_free_large()

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

Definition at line 169 of file jmemname.c.

References free().

jpeg_free_small()

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

Definition at line 149 of file jmemname.c.

References FAR, free(), and GLOBAL.

jpeg_get_large()

jpeg_get_large	(	j_common_ptr	cinfo,
		size_t	sizeofobject
	)

Definition at line 163 of file jmemname.c.

References FAR, GLOBAL, malloc(), and sizeofobject.

jpeg_get_small()

jpeg_get_small	(	j_common_ptr	cinfo,
		size_t	sizeofobject
	)

Definition at line 143 of file jmemname.c.

References GLOBAL, and malloc().

jpeg_mem_available()

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

Definition at line 188 of file jmemname.c.

References already_allocated, and METHODDEF.

jpeg_mem_init()

jpeg_mem_init

(

j_common_ptr

cinfo

)

Definition at line 266 of file jmemname.c.

jpeg_mem_term()

jpeg_mem_term

(

j_common_ptr

cinfo

)

Definition at line 273 of file jmemname.c.

jpeg_open_backing_store()

jpeg_open_backing_store	(	j_common_ptr	cinfo,
		backing_store_ptr	info,
		long	total_bytes_needed
	)

Definition at line 247 of file jmemname.c.

References close_backing_store(), ERREXITS, GLOBAL, info, NULL, read_backing_store(), RW_BINARY, select_file_name(), backing_store_struct::temp_file, backing_store_struct::temp_name, TRACEMSS, and write_backing_store().

read_backing_store()

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

Definition at line 204 of file jmemname.c.

References ERREXIT, info, JFREAD, METHODDEF, SEEK_SET, and backing_store_struct::temp_file.

Referenced by jpeg_open_backing_store().

select_file_name()

select_file_name

(

char *

fname

)

Definition at line 126 of file jmemname.c.

References GLOBAL, TEMP_DIRECTORY, and TEMP_FILE_NAME.

Referenced by jpeg_open_backing_store().

write_backing_store()

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

Definition at line 217 of file jmemname.c.

References ERREXIT, info, JFWRITE, METHODDEF, SEEK_SET, and backing_store_struct::temp_file.

Referenced by jpeg_open_backing_store().