포인터변수와 스택변수의 정렬비교, 주소참조 혹은 값참조

여린완자 2019. 10. 31. 08:12

2019. 10. 31. 08:12

//구조체에 맞는 파일을 읽어들여서 해당변수로 정렬하는 프로그램(정렬시에 스택변수사용시)

//CALL BY VALUE & CALL BY REFERENCE

#include<stdio.h>

#include<string.h>

#include<stdlib.h>

struct KSEMASTBATCH {

char dataclass[2];

char infoclass[2];

char marketclass;

char stockcode[12];

char serialno[8];

char abbrstockcode[9];

char abbrstocknamekor[40];

char abbrstocknameeng[40];

char senddate[8];

char infodivisiongroupno[5];

char stockgroupid[2];

char isunittrade;

char exclasscode[2];

char facevaluechangeclasscode[2];

char isopenpricebasedstandardprice;

char isrevaluationstockreason[2];

char isstandardpricechangestock;

char israndomendpossibillty;

char ismarketalarmdangernotice;

char marketalarmclasscode[2];

char iscorporategovernancefine;

char ismanagementstock;

char isinsinceritypublicnewsappoint;

char isbackdoorlisting;

char istradestop;

char indexbusinesstypelarge[3];

char indexbusinesstypemedium[3];

char indexbusinesstypesmall[3];

char standardindustrycode[10];

char businesstypekospi200;

char listpricesizecode;

char ismanufactureindustry;

char iskrx100stock;

char isdividendindexstock;

char iscorporategovernanceindexstock;

char investorganclasscode[2];

char iskospi;

char iskospi100;

char iskospi50;

char iskrxsectorindexcar;

char iskrxsectorindexsemiconductor;

char iskrxsectorindexbio;

char iskrxsectorindexfinance;

char iskrxsectorindexit;

char iskrxsectorindexenergychemical;

char iskrxsectorindexsteel;

char iskrxsectorindexnecessary;

char iskrxsectorindexmediacomm;

char iskrxsectorindexconstruction;

char iskrxsectorindexfinanceservice;

char iskrxsectorindexstock;

char iskrxsectorindexship;

char standardprice[9];

char ff;

};

#define SZ_KSEMASTBATCH sizeof(struct KSEMASTBATCH)
#define MAX_KSEMASTBATCH_CNT 1024

int main(int argc, char *argv[])

{

FILE *fp=NULL;

char rbuf[4096];

struct KSEMASTBATCH *kse1[MAX_KSEMASTBATCH_CNT];

struct KSEMASTBATCH *kse2[MAX_KSEMASTBATCH_CNT];

struct KSEMASTBATCH *kse3[MAX_KSEMASTBATCH_CNT];

struct KSEMASTBATCH *kse_src[MAX_KSEMASTBATCH_CNT];

struct KSEMASTBATCH *kse_tmp;

struct KSEMASTBATCH kse_1_address[MAX_KSEMASTBATCH_CNT];

struct KSEMASTBATCH kse_2_address[MAX_KSEMASTBATCH_CNT];

struct KSEMASTBATCH kse_address_tmp;

int ii,kk,mm,ff,jj,cnt;

if(argc != 2)

{

return(-1);

}

if((fp=fopen(argv[1], "rt"))==NULL)

{

return(-1);

}

kk=0;

while(1)

{

memset(rbuf,0x00,sizeof(rbuf));

if(fgets(rbuf, sizeof(rbuf), fp)==NULL) break;

//STACK REGISTER & POINTER REGISTER

memcpy(&kse_1_address[kk], rbuf, SZ_KSEMASTBATCH);

//memcpy(&kse_2_address[kk], rbuf, SZ_KSEMASTBATCH);

kse_2_address[kk] = kse_1_address[kk];

//[kse1 == kse2 == kse3] SAME ADDRESS POINTER

kse1[kk] = &kse_1_address[kk];

kse2[kk] = &kse_1_address[kk];

kse3[kk] = &kse_1_address[kk];

kse_src[kk] = &kse_2_address[kk];

kk++;

if(kk>1000) break;

}

cnt=kk;

if(fp != NULL) fclose(fp);

//ASCENDING SORT BY SYMBOL(POINTER VARIABLE)

for(kk=0; kk<cnt; kk++)

{

for(ii=kk+1; ii<cnt; ii++)

{

if(memcmp(kse1[kk]->stockcode,kse1[ii]->stockcode,sizeof(kse1[ii]->stockcode))>0)

{

kse_tmp=NULL;

kse_tmp = kse1[kk];

kse1[kk] = kse1[ii];

kse1[ii] = kse_tmp;

}

//ASCENDING SORT BY SYMBOL(STACK VARIABLE)

for(kk=0; kk<cnt; kk++)

{

for(ii=kk+1; ii<cnt; ii++)

{

if(memcmp(kse_1_address[kk].stockcode,kse_1_address[ii].stockcode,sizeof(kse_1_address[ii].stockcode))>0)

{

kse_address_tmp = kse_1_address[kk];

kse_1_address[kk] = kse_1_address[ii];

kse_1_address[ii] = kse_address_tmp;

}

//DESCENDING SORT BY SYMBOL(STACK VARIABLE)

for(kk=0; kk<cnt; kk++)

{

for(ii=kk+1; ii<cnt; ii++)

{

if(memcmp(kse_2_address[kk].stockcode,kse_2_address[ii].stockcode,sizeof(kse_2_address[ii].stockcode))<0)

{

kse_address_tmp = kse_2_address[kk];

kse_2_address[kk] = kse_2_address[ii];

kse_2_address[ii] = kse_address_tmp;

}

cnt = 5;

for(kk=0; kk<cnt; kk++)

{

printf("(1)[%06x],SYM[%.12s]>>>>[%06x][%.12s],[%06x][%.12s]\n",

kk+1, kse_1_address[kk].stockcode, kse_1_address[kk].stockcode, kse1[kk]->stockcode,

kse1[kk]->stockcode, kse_src[kk]->stockcode, kse_src[kk]->stockcode);

}

for(kk=0; kk<cnt; kk++)

{

printf("(2)[%06x],SYM[%.12s]>>>>[%06x][%.12s],[%06x][%.12s]\n",

kk+1, kse_1_address[kk].stockcode, kse_1_address[kk].stockcode, kse2[kk]->stockcode,

kse2[kk]->stockcode, kse_src[kk]->stockcode, kse_src[kk]->stockcode);

}

for(kk=0; kk<cnt; kk++)

{

printf("(3)[%06x],SYM[%.12s]>>>>[%06x][%.12s],[%06x][%.12s]\n",

kk+1, kse_1_address[kk].stockcode, kse_1_address[kk].stockcode, kse3[kk]->stockcode,

kse3[kk]->stockcode, kse_src[kk]->stockcode, kse_src[kk]->stockcode);

}

for(kk=0; kk<cnt; kk++)

{

printf("(4)[%06x],SYM[%.12s]>>>>[%06x][%.12s],[%06x][%.12s]\n",

kk+1, kse_2_address[kk].stockcode, kse_2_address[kk].stockcode, kse3[kk]->stockcode,

kse3[kk]->stockcode, kse_src[kk]->stockcode, kse_src[kk]->stockcode);

}

return(0);

}

/*결과

C:\Users\Downloads>20 A0011.dat

(1)[000001],SYM[HK0000050325]>>>>[162f21][HK0000050325],[162f21][KR7182490003]

(1)[000002],SYM[KR5707017R97]>>>>[163241][KR5707017R97],[163241][KR7182480004]

(1)[000003],SYM[KR5713017R38]>>>>[163561][KR5713017R38],[163561][KR7181710005]

(1)[000004],SYM[KR571301A1B4]>>>>[163881][KR571301A1B4],[163881][KR7181480005]

(1)[000005],SYM[KR5713027R36]>>>>[163ba1][KR5713027R36],[163ba1][KR7181450008]

(2)[000001],SYM[HK0000050325]>>>>[162f21][HK0000050325],[162f21][KR7182490003]

(2)[000002],SYM[KR5707017R97]>>>>[163241][KR5707017R97],[163241][KR7182480004]

(2)[000003],SYM[KR5713017R38]>>>>[163561][KR5713017R38],[163561][KR7181710005]

(2)[000004],SYM[KR571301A1B4]>>>>[163881][KR571301A1B4],[163881][KR7181480005]

(2)[000005],SYM[KR5713027R36]>>>>[163ba1][KR5713027R36],[163ba1][KR7181450008]

(3)[000001],SYM[HK0000050325]>>>>[162f21][HK0000050325],[162f21][KR7182490003]

(3)[000002],SYM[KR5707017R97]>>>>[163241][KR5707017R97],[163241][KR7182480004]

(3)[000003],SYM[KR5713017R38]>>>>[163561][KR5713017R38],[163561][KR7181710005]

(3)[000004],SYM[KR571301A1B4]>>>>[163881][KR571301A1B4],[163881][KR7181480005]

(3)[000005],SYM[KR5713027R36]>>>>[163ba1][KR5713027R36],[163ba1][KR7181450008]

(4)[000001],SYM[KR7182490003]>>>>[09af21][HK0000050325],[162f21][KR7182490003]

(4)[000002],SYM[KR7182480004]>>>>[09b241][KR5707017R97],[163241][KR7182480004]

(4)[000003],SYM[KR7181710005]>>>>[09b561][KR5713017R38],[163561][KR7181710005]

(4)[000004],SYM[KR7181480005]>>>>[09b881][KR571301A1B4],[163881][KR7181480005]

(4)[000005],SYM[KR7181450008]>>>>[09bba1][KR5713027R36],[163ba1][KR7181450008]

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포인터변수와 스택변수의 정렬비교, 주소참조 혹은 값참조

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