comparator.c
1.21 KB
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#include <stdio.h>
#include <string.h>
#include "auxiliar.h"
#define SIGNED 1
#define UNSIGNED 0
int check_length(char **inputs, uint8_t num_inputs)
{
int input_length = strlen(inputs[0]);
if(input_length != strlen(inputs[1]))
{
return -1;
}
return input_length;
}
int main(int argc, char **argv)
{
uint8_t signedness;
if(argc != 3)
{
error();
}
char *input = argv[1];
if(!strcmp(input,"error"))
{
error();
}
if(!strcmp("unsigned", argv[2]))
{
signedness = UNSIGNED;
}
else if(!strcmp("signed", argv[2]))
{
signedness = SIGNED;
}
else
{
error();
}
char **inputs = comma_separate(input);
if(inputs == NULL)
{
error();
}
int num_inputs = num_occurrences(input,',');
if(num_inputs != 2)
{
error();
}
int input_length = check_length(inputs,num_inputs);
int a,b;
if(signedness == UNSIGNED)
{
a = bin2udec(inputs[0]);
b = bin2udec(inputs[1]);
}
else if(signedness == SIGNED)
{
a = bin2dec(inputs[0]);
b = bin2dec(inputs[1]);
}
if(a > b)
{
printf("1,0,0");
}
else if(a < b)
{
printf("0,0,1");
}
else if(a == b)
{
printf("0,1,0");
}
free_mem(inputs,num_inputs);
return 0;
}