mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-11-29 06:09:04 +08:00
4c4d036ee4
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@529 d0cd1f9f-072b-0410-8dd7-cf729c803f20
124 lines
4.9 KiB
C
124 lines
4.9 KiB
C
/**********************************************************************
|
|
* File: memry.h (Formerly memory.h)
|
|
* Description: Header file for basic memory allocation/deallocation.
|
|
* Author: Ray Smith
|
|
* Created: Tue May 8 16:03:48 BST 1990
|
|
*
|
|
* (C) Copyright 1990, Hewlett-Packard Ltd.
|
|
** Licensed under the Apache License, Version 2.0 (the "License");
|
|
** you may not use this file except in compliance with the License.
|
|
** You may obtain a copy of the License at
|
|
** http://www.apache.org/licenses/LICENSE-2.0
|
|
** Unless required by applicable law or agreed to in writing, software
|
|
** distributed under the License is distributed on an "AS IS" BASIS,
|
|
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
** See the License for the specific language governing permissions and
|
|
** limitations under the License.
|
|
*
|
|
**********************************************************************/
|
|
|
|
#ifndef MEMRY_H
|
|
#define MEMRY_H
|
|
|
|
#include <stddef.h>
|
|
#include "host.h"
|
|
|
|
#define JUSTCHECKS 0 /*just check consistency */
|
|
#define MEMCHECKS 1 /*report totals */
|
|
#define FULLMEMCHECKS 2 /*report on all blocks */
|
|
|
|
/**********************************************************************
|
|
* ALLOC_2D_ARRAY
|
|
*
|
|
* Create a dynamic 2D array.
|
|
**********************************************************************/
|
|
|
|
#define ALLOC_2D_ARRAY(x,y,mem,ptrs,type) /*make 2d array*/\
|
|
{ \
|
|
inT32 TMP_i; \
|
|
mem=(type*)alloc_mem((x)*(y)*sizeof(type)); /*get memory*/\
|
|
ptrs=(type**)alloc_mem((x)*sizeof(type*)); /*get ptrs*/\
|
|
for (TMP_i=0;TMP_i<(x);TMP_i++)\
|
|
ptrs[TMP_i]=mem+(y)*TMP_i; /*set ptrs*/\
|
|
} \
|
|
|
|
/**********************************************************************
|
|
* FREE_2D_ARRAY
|
|
*
|
|
* Destroy a 2D array created by ALLOC_2D_ARRAY
|
|
**********************************************************************/
|
|
|
|
#define FREE_2D_ARRAY(mem,ptrs) /*free a 2D array*/\
|
|
{ \
|
|
free_mem(mem); /*free the memory*/\
|
|
free_mem(ptrs); /*and the ptrs*/\
|
|
} \
|
|
|
|
/**********************************************************************
|
|
* ALLOC_BIG_2D_ARRAY
|
|
*
|
|
* Create a dynamic 2D array. Use a memory allocator that allows
|
|
* allocation of bigger chunks.
|
|
**********************************************************************/
|
|
|
|
#define ALLOC_BIG_2D_ARRAY(x,y,mem,ptrs,type) /*make 2d array*/\
|
|
{ \
|
|
inT32 TMP_i; \
|
|
mem=(type*)alloc_big_mem((x)*(y)*sizeof(type)); /*get memory*/\
|
|
ptrs=(type**)alloc_big_mem((x)*sizeof(type*)); /*get ptrs*/\
|
|
for (TMP_i=0;TMP_i<(x);TMP_i++)\
|
|
ptrs[TMP_i]=mem+(y)*TMP_i; /*set ptrs*/\
|
|
} \
|
|
|
|
/**********************************************************************
|
|
* FREE_BIG_2D_ARRAY
|
|
*
|
|
* Destroy a 2D array created by ALLOC_BIG_2D_ARRAY
|
|
**********************************************************************/
|
|
|
|
#define FREE_BIG_2D_ARRAY(mem,ptrs) /*free a 2D array*/\
|
|
{ \
|
|
free_big_mem(mem); /*free the memory*/\
|
|
free_big_mem(ptrs); /*and the ptrs*/\
|
|
} \
|
|
|
|
extern DLLSYM void check_mem( //check consistency
|
|
const char *string, //context message
|
|
inT8 level //level of check
|
|
);
|
|
//allocate string
|
|
extern DLLSYM char *alloc_string(inT32 count //no of chars required
|
|
);
|
|
extern DLLSYM void free_string( //free a string
|
|
char *string //string to free
|
|
);
|
|
//allocate memory
|
|
extern DLLSYM void *alloc_struct (
|
|
inT32 count, //no of chars required
|
|
const char *name = NULL //class name
|
|
);
|
|
extern DLLSYM void free_struct ( //free a structure
|
|
void *deadstruct, //structure to free
|
|
inT32 count, //no of bytes
|
|
const char *name = NULL //class name
|
|
);
|
|
extern DLLSYM void *alloc_mem_p( //allocate permanent space
|
|
inT32 count //block size to allocate
|
|
);
|
|
extern DLLSYM void *alloc_mem( //get some memory
|
|
inT32 count //no of bytes to get
|
|
);
|
|
//get some memory
|
|
extern DLLSYM void *alloc_big_mem(inT32 count //no of bytes to get
|
|
);
|
|
//get some memory
|
|
extern DLLSYM void *alloc_big_zeros(inT32 count //no of bytes to get
|
|
);
|
|
extern DLLSYM void free_mem( //free mem from alloc_mem
|
|
void *oldchunk //chunk to free
|
|
);
|
|
extern DLLSYM void free_big_mem( //free mem from alloc_mem
|
|
void *oldchunk //chunk to free
|
|
);
|
|
#endif
|