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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
static char *binary(unsigned long long i, int w)
{
static char buff[1024];
int first=1;
char *p;
unsigned long long b;
int c;
b = 1ull<<(w-1);
p = buff;
for(c = w; c--; b = b>>1ull)
{
if (((c+1)%4) == 0 && !first)
{
*p++=' ';
}
if(i&b)
{
*p++='1';
}
else
{
*p++='0';
}
first=0;
}
*p = 0;
return buff;
}
static char *ascii(unsigned long long num, int l)
{
static char s[1024];
int f;
unsigned char c;
s[l]=0;
for(f = 0; f < l; f++)
{
c = num&0xff;
if (isprint(c))
{
s[(l-1)-f]=c;
}
else
{
s[(l-1)-f]='.';
}
num = num>>8;
}
return s;
}
int main(int argc, char *argv[])
{
long long snum;
long long num;
unsigned short word;
unsigned char byte;
int h_width;
int b_width;
int f;
if(argc == 1)
{
printf("%s: usage %s N1 [..Nn]\n",argv[0],argv[0]);
exit(EXIT_FAILURE);
}
for(f = 1; f < argc; f++)
{
num = strtoull(argv[f], NULL, 0);
if (num < 0x100ull)
{
h_width = 2;
b_width = 8;
snum=(signed char)num;
}
else if (num < 0x10000ull)
{
h_width = 4;
b_width = 16;
snum=(signed short)num;
}
else if (num < 0x100000000ull)
{
h_width = 8;
b_width = 32;
snum=(signed int)num;
}
else
{
h_width = 16;
b_width = 64;
snum=(signed long long)num;
}
printf("Original : %s\n", argv[f]);
printf("Octal : %llo\n", num);
printf("Uns. Dec : %llu\n", num);
printf("Sgn. Dec : %lld\n", snum);
printf("Hex : %*.*llX\n", h_width, h_width, num);
printf("Binary : %s\n", binary(num, b_width));
printf("Ascii : %s\n", ascii(num, b_width/8));
}
return EXIT_SUCCESS;
}
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