jmemmgr.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	AM_MEMORY_MANAGER   /* we define jvirt_Xarray_control structs */
#define	ALIGN_TYPE   double
#define	MIN_SLOP   50 /* greater than 0 to avoid futile looping */

Typedefs
typedef union small_pool_struct *	small_pool_ptr
typedef union small_pool_struct	small_pool_hdr
typedef union large_pool_struct FAR *	large_pool_ptr
typedef union large_pool_struct	large_pool_hdr
typedef my_memory_mgr *	my_mem_ptr

Functions
	out_of_memory (j_common_ptr cinfo, int which)
	alloc_small (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
	alloc_large (j_common_ptr cinfo, int pool_id, size_t sizeofobject)
	alloc_sarray (j_common_ptr cinfo, int pool_id, JDIMENSION samplesperrow, JDIMENSION numrows)
	alloc_barray (j_common_ptr cinfo, int pool_id, JDIMENSION blocksperrow, JDIMENSION numrows)
	request_virt_sarray (j_common_ptr cinfo, int pool_id, boolean pre_zero, JDIMENSION samplesperrow, JDIMENSION numrows, JDIMENSION maxaccess)
	request_virt_barray (j_common_ptr cinfo, int pool_id, boolean pre_zero, JDIMENSION blocksperrow, JDIMENSION numrows, JDIMENSION maxaccess)
	realize_virt_arrays (j_common_ptr cinfo)
	do_sarray_io (j_common_ptr cinfo, jvirt_sarray_ptr ptr, boolean writing)
	do_barray_io (j_common_ptr cinfo, jvirt_barray_ptr ptr, boolean writing)
	access_virt_sarray (j_common_ptr cinfo, jvirt_sarray_ptr ptr, JDIMENSION start_row, JDIMENSION num_rows, boolean writable)
	access_virt_barray (j_common_ptr cinfo, jvirt_barray_ptr ptr, JDIMENSION start_row, JDIMENSION num_rows, boolean writable)
	free_pool (j_common_ptr cinfo, int pool_id)
	self_destruct (j_common_ptr cinfo)
	jinit_memory_mgr (j_common_ptr cinfo)

Macro Definition Documentation

ALIGN_TYPE

#define ALIGN_TYPE   double

Definition at line 73 of file jmemmgr.c.

Referenced by alloc_large(), alloc_small(), and jinit_memory_mgr().

AM_MEMORY_MANAGER

#define AM_MEMORY_MANAGER   /* we define jvirt_Xarray_control structs */

Definition at line 28 of file jmemmgr.c.

JPEG_INTERNALS

#define JPEG_INTERNALS

Definition at line 27 of file jmemmgr.c.

MIN_SLOP

#define MIN_SLOP   50 /* greater than 0 to avoid futile looping */

Definition at line 253 of file jmemmgr.c.

Typedef Documentation

large_pool_hdr

typedef union large_pool_struct large_pool_hdr

large_pool_ptr

typedef union large_pool_struct FAR* large_pool_ptr

Definition at line 100 of file jmemmgr.c.

my_mem_ptr

typedef my_memory_mgr* my_mem_ptr

Definition at line 140 of file jmemmgr.c.

small_pool_hdr

typedef union small_pool_struct small_pool_hdr

small_pool_ptr

typedef union small_pool_struct* small_pool_ptr

Definition at line 89 of file jmemmgr.c.

Function Documentation

access_virt_barray()

access_virt_barray	(	j_common_ptr	cinfo,
		jvirt_barray_ptr	ptr,
		JDIMENSION	start_row,
		JDIMENSION	num_rows,
		boolean	writable
	)

Definition at line 841 of file jmemmgr.c.

References do_barray_io(), ERREXIT, FALSE, FAR, jzero_far(), long(), METHODDEF, NULL, num_rows, ptr, SIZEOF, and TRUE.

Referenced by jinit_memory_mgr().

access_virt_sarray()

access_virt_sarray	(	j_common_ptr	cinfo,
		jvirt_sarray_ptr	ptr,
		JDIMENSION	start_row,
		JDIMENSION	num_rows,
		boolean	writable
	)

Definition at line 756 of file jmemmgr.c.

References do_sarray_io(), ERREXIT, FALSE, FAR, jzero_far(), long(), METHODDEF, NULL, num_rows, ptr, SIZEOF, and TRUE.

Referenced by jinit_memory_mgr().

alloc_barray()

alloc_barray	(	j_common_ptr	cinfo,
		int	pool_id,
		JDIMENSION	blocksperrow,
		JDIMENSION	numrows
	)

Definition at line 443 of file jmemmgr.c.

References alloc_large(), alloc_small(), ERREXIT, i, MAX_ALLOC_CHUNK, METHODDEF, MIN, and SIZEOF.

Referenced by jinit_memory_mgr(), and realize_virt_arrays().

alloc_large()

alloc_large	(	j_common_ptr	cinfo,
		int	pool_id,
		size_t	sizeofobject
	)

Definition at line 342 of file jmemmgr.c.

References ALIGN_TYPE, ERREXIT1, FAR, if(), jpeg_get_large(), JPOOL_NUMPOOLS, MAX_ALLOC_CHUNK, METHODDEF, NULL, out_of_memory(), SIZEOF, and sizeofobject.

Referenced by alloc_barray(), alloc_sarray(), and jinit_memory_mgr().

alloc_sarray()

alloc_sarray	(	j_common_ptr	cinfo,
		int	pool_id,
		JDIMENSION	samplesperrow,
		JDIMENSION	numrows
	)

Definition at line 395 of file jmemmgr.c.

References alloc_large(), alloc_small(), ERREXIT, i, MAX_ALLOC_CHUNK, METHODDEF, MIN, and SIZEOF.

Referenced by jinit_memory_mgr(), and realize_virt_arrays().

alloc_small()

alloc_small	(	j_common_ptr	cinfo,
		int	pool_id,
		size_t	sizeofobject
	)

Definition at line 257 of file jmemmgr.c.

References ALIGN_TYPE, ERREXIT1, if(), JPOOL_NUMPOOLS, MAX_ALLOC_CHUNK, NULL, out_of_memory(), and SIZEOF.

Referenced by alloc_barray(), alloc_sarray(), jinit_memory_mgr(), request_virt_barray(), and request_virt_sarray().

do_barray_io()

do_barray_io	(	j_common_ptr	cinfo,
		jvirt_barray_ptr	ptr,
		boolean	writing
	)

Definition at line 723 of file jmemmgr.c.

References FAR, i, long(), METHODDEF, MIN, ptr, and SIZEOF.

Referenced by access_virt_barray().

do_sarray_io()

do_sarray_io	(	j_common_ptr	cinfo,
		jvirt_sarray_ptr	ptr,
		boolean	writing
	)

Definition at line 690 of file jmemmgr.c.

References FAR, i, LOCAL, long(), MIN, ptr, and SIZEOF.

Referenced by access_virt_sarray().

free_pool()

free_pool	(	j_common_ptr	cinfo,
		int	pool_id
	)

Definition at line 930 of file jmemmgr.c.

References ERREXIT1, FALSE, FAR, if(), jpeg_free_large(), jpeg_free_small(), JPOOL_IMAGE, JPOOL_NUMPOOLS, METHODDEF, NULL, and SIZEOF.

Referenced by jinit_memory_mgr(), and self_destruct().

jinit_memory_mgr()

jinit_memory_mgr

(

j_common_ptr

cinfo

)

Definition at line 1028 of file jmemmgr.c.

References access_virt_barray(), access_virt_sarray(), ALIGN_TYPE, alloc_barray(), alloc_large(), alloc_sarray(), alloc_small(), ERREXIT, ERREXIT1, free_pool(), jpeg_get_small(), jpeg_mem_init(), jpeg_mem_term(), JPOOL_NUMPOOLS, JPOOL_PERMANENT, MAX_ALLOC_CHUNK, NULL, realize_virt_arrays(), request_virt_barray(), request_virt_sarray(), self_destruct(), and SIZEOF.

Referenced by jpeg_CreateCompress(), and jpeg_CreateDecompress().

out_of_memory()

out_of_memory	(	j_common_ptr	cinfo,
		int	which
	)

Definition at line 217 of file jmemmgr.c.

References ERREXIT1.

Referenced by alloc_large(), and alloc_small().

realize_virt_arrays()

realize_virt_arrays

(

j_common_ptr

cinfo

)

Definition at line 583 of file jmemmgr.c.

References alloc_barray(), alloc_sarray(), FALSE, for(), jpeg_mem_available(), jpeg_open_backing_store(), JPOOL_IMAGE, LOCAL, long(), NULL, SIZEOF, and TRUE.

Referenced by jinit_memory_mgr().

request_virt_barray()

request_virt_barray	(	j_common_ptr	cinfo,
		int	pool_id,
		boolean	pre_zero,
		JDIMENSION	blocksperrow,
		JDIMENSION	numrows,
		JDIMENSION	maxaccess
	)

Definition at line 553 of file jmemmgr.c.

References alloc_small(), ERREXIT1, FALSE, if(), JPOOL_IMAGE, METHODDEF, NULL, and SIZEOF.

Referenced by jinit_memory_mgr().

request_virt_sarray()

request_virt_sarray	(	j_common_ptr	cinfo,
		int	pool_id,
		boolean	pre_zero,
		JDIMENSION	samplesperrow,
		JDIMENSION	numrows,
		JDIMENSION	maxaccess
	)

Definition at line 523 of file jmemmgr.c.

References alloc_small(), ERREXIT1, FALSE, if(), JPOOL_IMAGE, METHODDEF, NULL, and SIZEOF.

Referenced by jinit_memory_mgr().

self_destruct()

self_destruct

(

j_common_ptr

cinfo

)

Definition at line 1002 of file jmemmgr.c.

References free_pool(), GLOBAL, jpeg_free_small(), jpeg_mem_term(), JPOOL_NUMPOOLS, JPOOL_PERMANENT, NULL, and SIZEOF.

Referenced by jinit_memory_mgr().