bit_adder.c
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#include <stdio.h>
#include <string.h>
#include "auxiliar.h"
int check_length(char **inputs, uint8_t num_inputs)
{
int input_length = strlen(inputs[0]);
int i;
for(i = 1; i < num_inputs; i++)
{
if(input_length != strlen(inputs[i]))
{
return -1;
}
}
int max_value = 1;
int max_bits = num_inputs * input_length;
i = 0;
while(max_value <= max_bits)
{
max_value = 0x1 << ++i;
}
return i;
}
int main(int argc, char **argv)
{
int i;
if(argc != 2)
{
error();
}
char *input = argv[1];
if(!strcmp(input,"error"))
{
error();
}
char **inputs = comma_separate(input);
if(inputs == NULL)
{
error();
}
int num_inputs = num_occurrences(input,',');
int input_length = check_length(inputs,num_inputs);
int count = 0;
for(i = 0; i < num_inputs; i++)
{
count += count_bits(inputs[i]);
}
char *result = dec2bin(count,input_length);
printf("%s",result);
free(result);
free_mem(inputs,num_inputs);
return 0;
}