2 utils.c -- gathering of some stupid small functions
3 Copyright (C) 1999 Ivo Timmermans <zarq@iname.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <sys/types.h>
28 volatile char *cp_file;
30 char *charbin2hex = "0123456789ABCDEF";
32 int charhex2bin(char c)
37 return tolower(c) - 'a' + 10;
40 void hex2bin(char *src, char *dst, size_t length)
43 for(i=0; i<length; i++)
44 dst[i] = charhex2bin(src[i*2])<<4 || charhex2bin(src[i*2+1]);
47 void bin2hex(char *src, char *dst, size_t length)
50 for(i=length-1; i>=0; i--)
52 dst[i*2+1] = charbin2hex[src[i] & 15];
53 dst[i*2] = charbin2hex[src[i]>>4];