Conversor binário

Visitas

#include <stdio.h>
#include <string.h>
#define iifi(c) (((c)=='0') ? (0) : (1))


void intTohex (unsigned long int b, char* hex)
{
   char vet[]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};
   unsigned long int r;

   r = b % 0x10; hex[7] = vet[r]; b = b >> 0x4;
   r = b % 0x10; hex[6] = vet[r]; b = b >> 0x4;
   r = b % 0x10; hex[5] = vet[r]; b = b >> 0x4;
   r = b % 0x10; hex[4] = vet[r]; b = b >> 0x4;
   r = b % 0x10; hex[3] = vet[r]; b = b >> 0x4;
   r = b % 0x10; hex[2] = vet[r]; b = b >> 0x4;
   r = b % 0x10; hex[1] = vet[r]; b = b >> 0x4;

   hex[0] = vet[b];
   hex[8] = '\0';
}

unsigned long int binToInt (char *str)
{
   return iifi(str[0])*128 + iifi(str[1])*64 + iifi(str[2])*32 + iifi(str[3])*16 + iifi(str[4])*8 + iifi(str[5])*4 + iifi(str[6])*2 + iifi(str[7]);
}

void arruma (char *dest, char *ori)
{
   int i;
   int t;
   t=strlen(ori)-1;
   for (i=7; i>=0;i--)
   {
      if (t>=0) dest[i]=ori[t]; else dest[i]='0';
      t--;
   }
   dest[8]='\0';
}

char inToChar (unsigned long int val)
{
   if ((val > 32) && (val < 127)) return val; else return '.';
}

int main (int argc, char* argv[])
{
   char temp[9];
   unsigned long int valInt;
   char c;
   int i;

   if (argc<2)
   {
      printf ("Parametro incorreto.\n");
      printf ("Informe apenas os valores em binário\n");
      return 1;
   }

   for (i=1; i<argc;i++)
   {
      arruma(temp, argv[i]);
      valInt=binToInt(temp);
      intTohex(valInt,temp);
      c = inToChar (valInt);
      printf ("Inteiro=%d Hexa=%s char=%c\n",valInt, temp, c);
   }
}