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/* -*- c-file-style: "bsd" -*-
* rproxy -- dynamic caching and delta update in HTTP
* $Id: hex.c,v 1.8 2000/08/06 12:50:36 mbp Exp $
*
* Copyright (C) 2000 by Martin Pool <mbp@humbug.org.au>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
void
hs_hexify_buf(char *to_buf, unsigned char const *from_buf, int from_len)
{
static const char hex_chars[] = "0123456789abcdef";
while (from_len-- > 0) {
*(to_buf++) = hex_chars[((*from_buf) >> 4) & 0xf];
*(to_buf++) = hex_chars[(*from_buf) & 0xf];
if (!(from_len % 4) && from_len) {
*(to_buf++) = '_';
}
from_buf++;
}
*to_buf = 0;
}
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