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/* -*- c -*- */
/*
* Copyright 2007 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <nonstdio.h>
static const char hex[16] = "0123456789ABCDEF";
// %x
void
puthex4(unsigned long x)
{
putchar(hex[x & 0xf]);
}
// %02x
void
puthex8(unsigned long x)
{
putchar(hex[(x >> 4) & 0xf]);
putchar(hex[x & 0xf]);
}
// %04x
void
puthex16(unsigned long x)
{
puthex8(x >> 8);
puthex8(x);
}
// %08x
void
puthex32(unsigned long x)
{
puthex16(x >> 16);
puthex16(x);
}
void
puthex4_nl(unsigned long x)
{
puthex4(x);
newline();
}
void
puthex8_nl(unsigned long x)
{
puthex8(x);
newline();
}
void
puthex16_nl(unsigned long x)
{
puthex16(x);
newline();
}
void
puthex32_nl(unsigned long x)
{
puthex32(x);
newline();
}
/*
void reverse(char s[])
{
int c, i, j;
for (i = 0, j = strlen(s)-1; i<j; i++, j--) {
c = s[i];
s[i] = s[j];
s[j] = c;
}
}
int abs(signed long value) {
return (value >= 0) ? value : 0-value;
}
//we'll keep the puthex functions above because they're way more lightweight. but sometimes you just want to print in decimal, you know?
char *itoa(signed long value, char *result, int base)
{
// check that the base if valid
if (base < 2 || base > 16) { *result = 0; return result; }
char* out = result;
signed long quotient = value;
do {
*out = hex[ abs(quotient % base) ];
++out;
quotient /= base;
} while ( quotient );
// Only apply negative sign for base 10
if ( value < 0 && base == 10) *out++ = '-';
*out = 0;
reverse( result );
return result;
}
*/
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