libretro-tyrquake/NQ/net_common.c
Kevin Shanahan 049e3cbfaf net: move the PartialIPAddress function into net_common.c
Signed-off-by: Kevin Shanahan <kmshanah@disenchant.net>
2012-12-04 14:07:31 +10:30

100 lines
2.1 KiB
C

/*
Copyright (C) 1996-1997 Id Software, 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 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.
*/
#include "common.h"
#include "net.h"
int
NET_AddrCompare(const netadr_t *addr1, const netadr_t *addr2)
{
if (addr1->ip.l != addr2->ip.l || addr1->port != addr2->port)
return -1;
return 0;
}
int
NET_GetSocketPort(const netadr_t *addr)
{
return (unsigned short)BigShort(addr->port);
}
int
NET_SetSocketPort(netadr_t *addr, int port)
{
addr->port = BigShort(port);
return 0;
}
/*
* ============
* PartialIPAddress
*
* this lets you type only as much of the net address as required,
* using the local network components to fill in the rest
* ============
*/
int
NET_PartialIPAddress(const char *in, const netadr_t *myaddr, netadr_t *addr)
{
char buff[256];
char *b;
int ip;
int num;
int mask;
int run;
int port;
buff[0] = '.';
b = buff;
strcpy(buff + 1, in);
if (buff[1] == '.')
b++;
ip = 0;
mask = -1;
while (*b == '.') {
b++;
num = 0;
run = 0;
while (!(*b < '0' || *b > '9')) {
num = num * 10 + *b++ - '0';
if (++run > 3)
return -1;
}
if ((*b < '0' || *b > '9') && *b != '.' && *b != ':' && *b != 0)
return -1;
if (num < 0 || num > 255)
return -1;
mask <<= 8;
ip = (ip << 8) + num;
}
if (*b++ == ':')
port = Q_atoi(b);
else
port = net_hostport;
addr->port = BigShort(port);
addr->ip.l = (myaddr->ip.l & BigLong(mask)) | BigLong(ip);
return 0;
}