Reads two binary strings and prints the results of ~, & , | , and ^ operator - C Operator

C examples for Operator:Bit Operator

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Description

Reads two binary strings and prints the results of ~, & , | , and ^ operator

Demo Code

#include <stdio.h>  
#include <stdlib.h>  
  
int bstr_to_dec(const char * str);  
char * itobs(int, char *);  
int main(int argc, char * argv[])  
{  //from w  ww  . j a va2s.c  o m
    int v1;  
    int v2;  
    char bstr[8* sizeof (int) + 1];  
          
    if  (argc != 3)  
    {  
        fprintf(stderr, "Usage: %s binarynum1 binarynum2\n", argv[0]);  
        exit(EXIT_FAILURE);  
    }  
          
    v1 = bstr_to_dec(argv[1]);  
    v2 = bstr_to_dec(argv[2]);  
      
    printf("~%s = %s\n", argv[1], itobs(~v1, bstr));  
    printf("~%s = %s\n", argv[2], itobs(~v2, bstr));  
    printf("%s & %s= %s\n", argv[1], argv[2], itobs(v1 & v2, bstr));  
    printf("%s | %s= %s\n", argv[1], argv[2], itobs(v1 | v2, bstr));  
    printf("%s ^ %s= %s\n", argv[1], argv[2], itobs(v1 ^ v2, bstr));  
      
    puts("Done");  
    return 0;  
}  
  
int bstr_to_dec(const char * str)  
{  
    int val = 0;  
      
    while (*str != '\0')  
        val = 2 * val + (*str++ -  '0');  
    return val;  
}  
  
char * itobs(int n, char * ps)  
{  
    int i;  
    static int size = 8 * sizeof(int);  
  
    for (i = size - 1; i >= 0; i--, n >>= 1)  
        ps[i] = (01 & n) + '0';  
    ps[size] = '\0';  

    return ps;  
}

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