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xm.h
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#ifndef XM_H
/**
* ”ãªæ¨¨ ª®âà®«ï § ¨á¯®«ì§®¢ ¨¥¬ ¤¨ ¬¨ç¥áª®© ¯ ¬ïâ¨.
* ‘¤¥« ® ¬®¤¨ä¨ª 樥© ¯à®£à ¬¬ ¨§ áâ âì¨
* Extended Dynamic Memory Control Module,
* Dr. Dobb's Journal, #154 August 1989.
*
* xm_Trace
* xm_totalMemory
* xm_totalAlloc
* xm_userAlloc
* xm_heapWng
* x_malloc
* x_calloc
* x_free
* x_checkMem
* x_freeMem
* x_mark
* x_release
**/
/*
* INCLUDE-ä ©«ë
*/
#include <malloc.h>
/* size_t, calloc, malloc, free */
#include <string.h>
/* strcpy, strlen */
#include <sys/types.h>
#ifdef __cplusplus
extern "C"
{
#endif
/*
* „«ï âà á«ï樨 á ¢ª«îç¥ë¬ ª®â஫¥¬ ¨á¯®«ì§®¢ ¨ï 娯
* 㦮 㯮âॡ¨âì áâபã #define XM_USED ¯¥à¥¤ ¢ª«î票¥¬ ä ©« XM.H.
* ‚ ¯à®â¨¢®¬ á«ãç ¥ x_calloc, x_malloc ¨ x_free
* ¡ã¤ãâ ¯à®áâ묨 ®¡à 饨ﬨ ª áâ ¤ àâë¬ äãªæ¨ï¬ ‘¨ -
* ª®¥ç®, ¡¥§ ª®â஫ï. Žáâ «ìë¥ ®¡ê¥ë¥ §¤¥áì äãªæ¨¨
* à ¡®â âì ¡ã¤ãâ, ® á ¬ «®¨â¥à¥á묨 १ã«ìâ â ¬¨.
*/
#ifndef XM_USED
#define x_calloc calloc
#define x_malloc malloc
#define x_free free
#define x_strdup strdup
#define x_checkMem() 1
#define x_freeMem() 1
#define x_release() 1
#define x_mark(p) 1
#else
#define x_calloc xm_Xcalloc
#define x_malloc xm_Xmalloc
#define x_free xm_Xfree
#define x_strdup(s) strcpy(xm_Xmalloc(strlen(s)+1),s)
#define x_checkMem() xm_XMem(0,0)
#define x_freeMem() xm_XMem(1,0)
#define x_release(p) xm_XMem(xm_Trace==FREE_CTL,p)
#define x_mark(p) p=xm_totalAlloc
#define xm_setOwnWarn(OwnWrn) (xm_heapWng =(OwnWrn))
#endif
/***************************************
* Š®áâ âë ¨ £«®¡ «ìë¥ ¯¥à¥¬¥ë¥ *
****************************************/
/**
* Š®¤ë ®è¨¡®ª ¨á¯®«ì§®¢ ¨ï 娯 :
**/
#define OVERWRITE_WNG 1
#define FREEING_FREE_WNG 2
#define FREEING_BAD_WNG 3
#define FREEING_NULL_WNG 4
#define CHANGED_FREE_WNG 5
#define UNFREED_WNG 6
#define NO_HEAPCTL 0
#define FREE_CTL 1
#define FULL_CTL 2
extern unsigned int _Cdecl xm_Trace;
/**
* “áâ ¢«¨¢ ¥â ã஢¥ì ª®âà®«ï § ¨á¯®«ì§®¢ ¨¥¬ 娯 . ‡ 票ï:
* NO_HEAPCTL - ¨ª ª®£® ª®â஫ï
* (¯à®áâë¥ ®¡à é¥¨ï ª áâ ¤ àâë¬ äãªæ¨ï¬ ¨ ¯®¤áç¥â áâ â¨á⨪¨;
* 䨪á¨àã¥âáï ⮫쪮 ®á¢®¡®¦¤¥¨¥ NULL);
* FREE_CTL - ª®âà®«ì § ¯®¢â®àë¬ ®á¢®¡®¦¤¥¨¥¬ ¨ ®á¢®¡®¦¤¥¨¥¬
* ¥à á¯à¥¤¥«ï¢è¥©áï ¯ ¬ïâ¨;
* FULL_CTL - â® ¦¥, çâ® FREE_CTL, ¯«îá ª®âà®«ì § § ¯¨áìî
* ¯®¢¥àå £à ¨æ à á¯à¥¤¥«¥ëå ãç á⪮¢ ¨ ¢ 㦥 ®á¢®¡®¦¤¥ë¥
* ãç á⪨.
* ® 㬮«ç ¨î ãáâ ®¢«¥ ¢ FULL_CTL.
**/
extern unsigned long _Cdecl xm_userMemory;
/**
* Š®«¨ç¥á⢮ ⥪ã騩 ¬®¬¥â ¯ ¬ïâ¨,
* ¢ë¤¥«¥®© ¯®«ì§®¢ â¥«î ¯à¨ ¯®¬®é¨ äãªæ¨© í⮣® ¬®¤ã«ï
* (¡¥§ ãç¥â á«ã¦¥¡®© ¯ ¬ï⨠‘¨ ¨ í⮣® ¬®¤ã«ï;
* ®á¢®¡®¦¤ ¥¬ ï ¯ ¬ïâì ¨§ ¯®¤áç¥â ¨áª«îç ¥âáï).
**/
extern unsigned long _Cdecl xm_totalMemory;
/**
* Š®«¨ç¥á⢮ ⥪ã騩 ¬®¬¥â ¯ ¬ïâ¨,
* ¨á¯®«ì§ã¥¬®© äãªæ¨ï¬¨ í⮣® ¬®¤ã«ï:
* xm_userMemory + ¯ ¬ïâì, ¥®¡å®¤¨¬ ï ¤«ï à ¡®âë xm-¬®¤ã«ï
* (â.¥. ¡¥§ ãç¥â á«ã¦¥¡®© ¯ ¬ï⨠‘¨,
* ® á ãç¥â®¬ ¯ ¬ïâ¨, ¥®¡å®¤¨¬®© ¤«ï à ¡®âë í⮣® ¬®¤ã«ï;
* ®á¢®¡®¦¤ ¥¬ ï ¯ ¬ïâì ¨§ ¯®¤áç¥â ¨áª«îç ¥âáï).
**/
extern unsigned long _Cdecl xm_userAlloc;
/**
* Š®«¨ç¥á⢮ ⥪ã騩 ¬®¬¥â ¢ë¤¥«¥ëå ¯®«ì§®¢ ⥫î ãç á⪮¢ 娯
* (®á¢®¡®¦¤ ¥¬ë¥ ãç á⪨ ¨§ ¯®¤áç¥â ¨áª«îç îâáï).
**/
extern unsigned long _Cdecl xm_totalAlloc;
/*
* Ž¡é¥¥ ç¨á«® ¢ë¤¥«¥ëå ¬®¤ã«¥¬ ãç á⪮¢ 娯
* (®á¢®¡®¦¤ ¥¬ë¥ ãç á⪨ ¨§ ¯®¤áç¥â … ¨áª«îç îâáï)
* ¥à¥¬¥ ï ãáâ ¢«¨¢ ¥âáï ¢ ã«ì ¢ äãªæ¨¨ xm_XfreeMem.
* Šà®¬¥ ⮣®, ¬®¦¥â ¡ëâì 㬥ìè¥ ¢ äãªæ¨¨ xm_Xrelease.
*/
extern void (*_Cdecl xm_heapWng) (unsigned int code, void *ptr);
/*
* ”ãªæ¨ï ॠªæ¨¨ ®è¨¡ªã ¢ ¨á¯®«ì§®¢ ¨¨ 娯 .
* à ¬¥âà code - ª®¤ ®è¨¡ª¨. ‘â ¤ àâë© â¥ªáâ á®®¡é¥¨ï
* ¬®¦® ¯®«ãç¨âì ¨§ ¬ áᨢ xm_wngText; ¨¤¥ªá - ª®¤ ®è¨¡ª¨.
* à ¬¥âà ptr - "ªà¨¬¨ «ìë©" 㪠§ ⥫ì.
*
* ‘â ¤ àâ ï ॠªæ¨ï ( ç «ì ï ãáâ ®¢ª xm_heapWng) - ¢ë¤ ç
* á®®¡é¥¨ï ¨ 㪠§ ⥫ï (¢ 16-à¨ç®¬ ¢¨¤¥) ¢ ä ©« stderr.
*/
extern char *_Cdecl xm_wngText[];
/*
* ’¥ªáâë á®®¡é¥¨© ®¡ ®è¨¡ª å. Žè¨¡ª¥ á ª®¤®¬ i ᮮ⢥âáâ¢ã¥â
* áâப xm_wngText[i].
*/
#define XM_WNGTEXT { \
NULL, \
"‡ ¯¨áì ¢¥ ®â¢¥¤¥®£® ¡«®ª ", \
"Žá¢®¡®¦¤¥¨¥ à ¥¥ ®á¢®¡®¦¤¥®£® ¡«®ª ", \
"Žá¢®¡®¦¤¥¨¥ ¥¢ë¤¥«¥®£® ¡«®ª ", \
"Žá¢®¡®¦¤¥¨¥ á 㪠§ ⥫¥¬, à ¢ë¬ NULL", \
"«®ª ¬¥ï«áï ¯®á«¥ ®á¢®¡®¦¤¥¨ï", \
"¥®á¢®¡®¦¤¥ë© ¡«®ª" \
}
/**/
/*
* Ž¡ê¥¨ï äãªæ¨©
*/
extern void *_Cdecl xm_Xmalloc (size_t);
/*
* ’® ¦¥, çâ® malloc
*/
extern void *_Cdecl xm_Xcalloc (size_t, size_t);
/*
* ’® ¦¥, çâ® calloc
*/
extern void _Cdecl xm_Xfree (void *);
/*
* xm- «®£ ¡¨¡«¨®â¥ç®© äãªæ¨¨ free.
* ‚®§¬®¦¥ ¢ë§®¢ xm_heapWng ¢ á«¥¤ãîé¨å á¨âã æ¨ïå:
* - ®á¢®¡®¦¤¥¨¥ NULL (ª®¤ FREEING_NULL_WNG, ¢ë¤ ¥âáï ¯à¨ «î¡ëå § 票ïå
* xm_Trace);
* - ®á¢®¡®¦¤¥¨¥ ¥ª®à४⮣® 㪠§ ⥫ï (FREEING_BAD_WNG, ¢ë¤ ¥âáï ¯à¨
* xm_Trace == FREE_CTL || xm_Trace == FULL_CTL);
* - ¯®¢â®à®¥ ®á¢®¡®¦¤¥¨¥ ãç á⪠(FREEING_FREE_WNG, ¢ë¤ ¥âáï ¯à¨
* xm_Trace == FREE_CTL || xm_Trace == FULL_CTL);
* - ¯à®¨§¢®¤¨« áì § ¯¨áì § £à ¨æë ®á¢®¡®¦¤ ¥¬®£® ãç áâª
* (OVERWRITE_WNG, xm_Trace == FULL_CTL).
*/
#define xm_strdup(s) strcpy(xm_malloc(strlen(s)+1),s)
/*
* xm- «®£ ¡¨¡«¨®â¥ç®© äãªæ¨¨ strdup
*/
extern int _Cdecl xm_XMem (int freeing, unsigned long start);
/*
* ஢¥àª á®áâ®ï¨ï 娯 . ‘ç¨â ¥âáï, çâ® ª ¬®¬¥âã ®¡à é¥¨ï ª
* xm_XMem ¢á¥, çâ® à á¯à¥¤¥«ï«®áì ç¥à¥§ íâ®â ¬®¤ã«ì, ¤®«¦®
* ¡ëâì ®á¢®¡®¦¤¥®.
* ‚ë§ë¢ ¥âáï xm_heapWng ¯® á«¥¤ãî騬 ¯®¢®¤ ¬:
* - ãç á⮪ ¥ ®á¢®¡®¦¤¥ (ª®¤ FREEING_FREE, ¢ë¤ ¥âáï ¯à¨
* xm_Trace == FREE_CTL || xm_Trace == FULL_CTL);
* - ãç á⮪ ¨§¬¥¥ ¯®á«¥ ®á¢®¡®¦¤¥¨ï (ª®¤ CHANGED_FREE_WNG,
* ¢ë¤ ¥âáï ¯à¨ xm_Trace == FULL_CTL).
* …᫨ ¯ à ¬¥âà freeing à ¢ï¥âáï 1, ®á¢®¡®¦¤ ¥â ¯ ¬ïâì,
* § å¢ ç¥ãî ¯®á«¥ "¬®¬¥â ", ª®â®àë© ®¯à¥¤¥«¥ ¯ à ¬¥â஬ start
* (¯à¨ í⮬ ç¨á«¥ ®á¢®¡®¦¤ ¥âáï ¨ ¯ ¬ïâì, ¨á¯®«ì§ã¥¬ ï ¬®¤ã«¥¬
* ¤«ï "¢ãâ२å" 㦤).
* ‚ ¯à®â¨¢®¬ á«ãç ¥ ®£à ¨ç¨¢ ¥âáï ¯à®¢¥àª®© â ª®© ¯ ¬ïâ¨.
* ன ï¥âáï xm_mark, ª®â®à ï ¨á¯®«ì§ã¥âáï ¤«ï ⮣®, ç⮡ë
* § ¯®¬¨âì "¬¥áâ®", ç¨ ï á ª®â®à®£® (¨ ¤® ª®æ ) 㦮 ®á¢®¡®¦¤ âì.
* ”ãªæ¨ï ¢®§¢à é ¥â 1, ¥á«¨ ¢á¥ ¡ë«® ¢ ¯®à浪¥ (¨ à §ã ¥ ¯à¨è«®áì
* ¢ë§¢ âì xm_heapWng).
* ‚ ¯à®â¨¢®¬ á«ãç ¥ äãªæ¨ï ¢®§¢à é ¥â 0.
*/
#ifdef __cplusplus
}
#endif
#define XM_H
#endif