encoder.c
1.06 KB
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#include <stdio.h>
#include <string.h>
#include "auxiliar.h"
#include <math.h>
int check_length(char **inputs, uint8_t num_inputs)
{
int i;
for(i = 0; i < num_inputs; i++)
{
if(strlen(inputs[i]) != 1)
{
return -1;
}
}
int max_value = 1;
i = 0;
while(max_value < num_inputs)
{
max_value = 0x1 << ++i;
}
return i;
}
int main(int argc, char **argv)
{
int i;
int pos;
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,',');
pos = num_inputs - 1;
int sel_length = check_length(inputs,num_inputs);
if(sel_length == -1)
{
error();
}
int selected = -1;
for(i = 0; i < num_inputs; i++)
{
if(inputs[i][0] == '1')
{
selected = i;
break;
}
}
if(selected == -1)
{
error();
}
char *result = dec2bin(selected,sel_length);
printf("%s",result);
free(result);
free_mem(inputs,num_inputs);
return 0;
}