static void
hex(const char *s)
{
unsigned long long i = 0;
switch (s[0]) {
case 'b':
case 'B':
i = read_bin(s + 1);
break;
case 'x':
case 'X':
i = read_hex(s + 1);
break;
case '0':
if (s[1] == '\0')
i = read_dec(s);
else if (s[1] == 'x' || s[1] == 'X')
i = read_hex(s + 2);
else
i = read_oct(s + 1);
break;
default:
if (isdigit(*s))
i = read_dec(s);
else
usage();
break;
}
print_bin(i);
print_chr(i);
print_dec(i);
print_hex(i);
print_oct(i);
}
int
main()
{
char buf[512];
struct tarhdr *hdr;
unsigned int n, end = 0, off = 0;
do {
n = fread(buf, 1, sizeof(buf), stdin);
off += n;
if (off > end) {
hdr = (struct tarhdr *)buf;
if (hdr->name[0]) {
end = off + ((read_oct(sizeof(hdr->size), hdr->size) + 511) & ~511);
memset(hdr->checksum, ' ', sizeof(hdr->checksum));
memset(hdr->uid, '0', sizeof(hdr->uid) - 1);
memset(hdr->gid, '0', sizeof(hdr->gid) - 1);
memset(hdr->uname, 0, sizeof(hdr->uname));
memset(hdr->gname, 0, sizeof(hdr->gname));
snprintf(hdr->uname, sizeof(hdr->uname), "root");
snprintf(hdr->gname, sizeof(hdr->gname), "root");
upd_cksum(hdr->checksum, buf);
}
}
fwrite(buf, 1, n, stdout);
} while (n == sizeof(buf));
return 0;
}
int read_value(t_mem *mem, int addr, int size)
{
int i;
i = 0;
if (i <= addr)
while (i < addr - 1)
{
mem = mem->next;
i++;
}
else
while (i > addr + 1)
{
mem = mem->prev;
i--;
}
if (size == 1)
return (mem->oct);
return (read_oct(mem, size));
}
