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| #include<stdio.h>
#include<conio.h>
#include<math.h>
#include<string.h>
#include<stdlib.h>
char *transSS(char *sors, int SSsource, int SStarget);
char *bin2to8(char *bin);
char *bin2to10(char *bin);
char *bin2to16(char *bin);
char *bin8to2(char *bin);
char *bin8to10(char *bin);
char *bin8to16(char *bin);
char *bin10to2(char *bin);
char *bin10to8(char *bin);
char *bin10to16(char *bin);
char *bin16to2(char *bin);
char *bin16to8(char *bin);
char *bin16to10(char *bin);
int pow1 (int ar, unsigned int p);
/*------------------------------------------*/
void main()
{
int source,target;
char *res;
clrscr();
printf("Input string: ");
char *str;
str=(char *)malloc(1000);
scanf("%999s",str);
printf("Input base(2,8,10,16): ");
scanf("%d",&source);
printf("Input CC(2,8,10,16): ");
scanf("%d",&target);
res=transSS(str,source,target);
if(res)printf("%s",res);
free(res);
free(str);
if(!getch())
getch();
}
/*------------------------------------------*/
char *transSS(char *str, int SSsource, int SStarget)
{
char *res;
switch(SSsource)
{
case 2:
switch(SStarget)
{
case 8: res=bin2to8(str);
break;
case 10: res=bin2to10(str);
break;
case 16: res=bin2to16(str);
break;
default: printf("Error\n");
}
break;
case 8:
switch(SStarget)
{
case 2: res=bin8to2(str);
break;
case 10: res=bin8to10(str);
break;
case 16: res=bin8to16(str);
break;
default: printf("Error\n");
}
break;
case 10:
switch(SStarget)
{
case 2: res=bin10to2(str);
break;
case 8: res=bin10to8(str);
break;
case 16: res=bin10to16(str);
break;
default: printf("Error\n");
}
break;
case 16:
switch(SStarget)
{
case 2: res=bin16to2(str);
break;
case 8: res=bin16to8(str);
break;
case 10: res=bin16to10(str);
break;
default: printf("Error\n");
}
break;
default: printf("Error\n");
}
return res;
}
/*------------------------------------------*/
char *bin2to16(char *bin)
{
char *hex=NULL;
int len=strlen(bin);
int dig;
int count=0;
hex=(char*)malloc(strlen(bin));
char buf[5];
while(len>=4)
{
strcpy(buf,bin(len-4));
dig=(buf[0]-0x30)*8(buf[1]-48)*4(buf[2]-48)*2(buf[3]-48);
hex[count]=(dig<10)?dig'0':(dig-10)'A';
count;
bin[len-4]=0;
len-=4;
}
if(len>0)
{
hex[count]=0x30;
int w=1;
for(int i=len-1 ; i>=0; i--)
{
hex[count] = (bin[i]-0x30)*w;
w*=2;
}
hex[count]=0;
}
else
hex[count]=0;
strrev(hex);
return hex;
}
/*------------------------------------------*/
char *bin2to10(char *bin)
{
sprintf(bin,"%ld",strtol(bin,NULL,2));
return bin;
}
/*------------------------------------------*/
char *bin2to8(char *bin)
{
sprintf(bin,"%lo",strtol(bin,NULL,2));
return bin;
}
/*------------------------------------------*/
char *bin8to16(char *bin)
{
sprintf(bin,"%lx",strtol(bin,NULL,8));
return bin;
}
/*------------------------------------------*/
char *bin8to10(char *bin)
{
sprintf(bin,"%ld",strtol(bin,NULL,8));
return bin;
}
/*------------------------------------------*/
char *bin8to2(char *bin)
{
char buff[3];
char *buff1;
buff1=(char*)malloc(strlen(bin)*3);
buff1[0]=NULL;
for (int i=0;i<strlen(bin);i)
{
itoa(bin[i]-48,buff,2);
if(strlen(buff)<3)strcat(buff1,"0");
strcat(buff1,buff);
}
return buff1;
}
/*------------------------------------------*/
char *bin10to16(char *bin)
{
sprintf(bin,"%lx",strtol(bin,NULL,10));
return bin;
}
/*------------------------------------------*/
char *bin10to8(char *bin)
{
sprintf(bin,"%lo",strtol(bin,NULL,10));
return bin;
}
/*------------------------------------------*/
char *bin10to2(char *bin)
{
char buff[256];
itoa(atoi(bin),buff,2);
return buff;
}
/*------------------------------------------*/
char *bin16to10(char *bin)
{
sprintf(bin,"%ld",strtol(bin,NULL,16));
return bin;
}
/*------------------------------------------*/
char *bin16to8(char *bin)
{
sprintf(bin,"%lo",strtol(bin,NULL,16));
return bin;
}
/*------------------------------------------*/
char *bin16to2(char *bin)
{
return NULL;
} |
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