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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
static char *binary(unsigned int i, unsigned int w)
{
static char buff[1024];
char *p;
unsigned int c;
unsigned int b;
c = w;
b = 1<<(w-1);
p = buff;
for(c = w; c--; b = b>>1)
{
if(i&b)
{
*p++='1';
}
else
{
*p++='0';
}
}
*p='\0';
return buff;
}
int main(int argc, char *argv[])
{
int f;
int l;
int r;
unsigned int c;
if(argc == 1 || (argc == 2 && strcmp(argv[1],"-c") == 0))
{
printf("%s: usage %s string1 [..stringn] | -c num1 [.. num n]\n",
argv[0],argv[0]);
exit(EXIT_FAILURE);
}
if(strcmp(argv[1],"-c") != 0)
{
for(r = 1 ;r < argc; r++)
{
l = strlen(argv[r]);
for(f = 0; f < l; f++)
{
c = (unsigned int)*(argv[r]+f);
printf("%c (%3u - 0x%2.2X %%%s)\n",
(*(argv[r]+f) > 31) ? (*(argv[r]+f)) : '?',
(unsigned int)(unsigned char)c,
(unsigned int)(unsigned char)c,
binary(c,8));
}
}
}
else
{
for(f=2;f<argc;f++)
{
c = (unsigned int)strtol(argv[f], NULL, 0);
printf("%c (%3u - 0x%2.2X %%%s)\n",
c>31 ? (char)c : '?',
c, c, binary(c,8));
}
}
return EXIT_SUCCESS;
}
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