void outi( unsigned i )
{
static char foo[5];
outs( " " );
foo[4] = 0;
foo[3] = hdigit( i & 0xF );
i >>= 4;
foo[2] = hdigit( i & 0xF );
i >>= 4;
foo[1] = hdigit( i & 0xF );
i >>= 4;
foo[0] = hdigit( i & 0xF );
outs( foo );
}
void hexdump(direction d, int fd, unsigned char *p, int n)
{
register int l=0;
char buf[78];
unsigned char c;
#define hpos(x) (3*(x)+(((x)>7)?2:1))
#define apos(x) ((x)+60) /* (x+((x>7)?60:59)) */
#define hdigit(x) (((x)>9)?((x)-10+'a'):((x)+'0'))
memset(buf, ' ', 77);
buf[77]='\0';
printf("%s %d:\n", (d==d_from) ? "From" : "To", fd);
while (n-->0) {
c=(unsigned char)*p++;
buf[hpos(l)] = hdigit(c>>4);
buf[hpos(l)+1] = hdigit(c&15);
buf[apos(l)] = (c<32||c>126) ? '.' : c;
if (++l>15) {
puts(buf);
memset(buf, ' ', 77);
l=0;
}
}
puts(buf);
#undef hpos
#undef apos
#undef hdigit
}
