pxyservd/src/irc_numnicks.c

/* IRC - Internet Relay Chat, ircd/channel.c
 * Copyright (C) 1996 Carlo Wood
 * 
 * [Taken from Undernet ircd]
 * This file is part of pxyservd (from pxys)
 *
 * 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */
#define RCSID "$Id: irc_numnicks.c,v 1.1.1.1 2003/12/30 17:09:31 mbuna Exp $"

#include "irc_numnicks.h"

/* *INDENT-OFF* */


/*
 * The internal counter for the 'XX' of local clients
 */


const char convert2y[64] = {
  'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
  'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f',
  'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
  'w','x','y','z','0','1','2','3','4','5','6','7','8','9','[',']'
};

const unsigned int convert2n[256] = {
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
  52,53,54,55,56,57,58,59,60,61, 0, 0, 0, 0, 0, 0, 
   0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,
  15,16,17,18,19,20,21,22,23,24,25,62, 0,63, 0, 0,
   0,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,
  41,42,43,44,45,46,47,48,49,50,51, 0, 0, 0, 0, 0,

   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
   0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};

/* *INDENT-ON* */

unsigned int
base64toint(const char *s)
  {
  unsigned int i = convert2n[(unsigned char) *s++];
  while(*s) {
    i <<= NUMNICKLOG;
    i += convert2n[(unsigned char) *s++];
    }
  return i;
  }

const char *
inttobase64(char *buf, unsigned int v, unsigned int count)
  {
  buf[count] = '\0';
  while(count > 0) {
    buf[--count] = convert2y[(v & NUMNICKMASK)];
    v >>= NUMNICKLOG;
    }
  return buf;
  }

Revision:	3253
Committed:	Wed Apr 2 20:46:18 2014 UTC (11 years, 4 months ago) by michael
Content type:	text/x-csrc
File size:	2661 byte(s)
Log Message:	- Imported pxys2-2.1.0
#	Content
1	/* IRC - Internet Relay Chat, ircd/channel.c
2	* Copyright (C) 1996 Carlo Wood
3	*
4	* [Taken from Undernet ircd]
5	* This file is part of pxyservd (from pxys)
6	*
7	* This program is free software; you can redistribute it and/or
8	* modify it under the terms of the GNU General Public License
9	* as published by the Free Software Foundation; either version 2
10	* of the License, or (at your option) any later version.
11	*
12	* This program is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with this program; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20	*
21	*/
22	#define RCSID "$Id: irc_numnicks.c,v 1.1.1.1 2003/12/30 17:09:31 mbuna Exp $"
23
24	#include "irc_numnicks.h"
25
26	/* INDENT-OFF */
27
28
29	/*
30	* The internal counter for the 'XX' of local clients
31	*/
32
33
34	const char convert2y[64] = {
35	'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
36	'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f',
37	'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
38	'w','x','y','z','0','1','2','3','4','5','6','7','8','9','[',']'
39	};
40
41	const unsigned int convert2n[256] = {
42	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
43	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
44	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
45	52,53,54,55,56,57,58,59,60,61, 0, 0, 0, 0, 0, 0,
46	0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10,11,12,13,14,
47	15,16,17,18,19,20,21,22,23,24,25,62, 0,63, 0, 0,
48	0,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,
49	41,42,43,44,45,46,47,48,49,50,51, 0, 0, 0, 0, 0,
50
51	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
52	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
53	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
54	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
55	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
56	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
57	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
58	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
59	};
60
61	/* INDENT-ON */
62
63	unsigned int
64	base64toint(const char *s)
65	{
66	unsigned int i = convert2n[(unsigned char) *s++];
67	while(*s) {
68	i <<= NUMNICKLOG;
69	i += convert2n[(unsigned char) *s++];
70	}
71	return i;
72	}
73
74	const char *
75	inttobase64(char *buf, unsigned int v, unsigned int count)
76	{
77	buf[count] = '\0';
78	while(count > 0) {
79	buf[--count] = convert2y[(v & NUMNICKMASK)];
80	v >>= NUMNICKLOG;
81	}
82	return buf;
83	}
84