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https://github.com/libretro/libretro-tyrquake.git
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100 lines
2.1 KiB
C
100 lines
2.1 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "common.h"
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#include "net.h"
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int
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NET_AddrCompare(const netadr_t *addr1, const netadr_t *addr2)
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{
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if (addr1->ip.l != addr2->ip.l || addr1->port != addr2->port)
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return -1;
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return 0;
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}
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int
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NET_GetSocketPort(const netadr_t *addr)
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{
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return (unsigned short)BigShort(addr->port);
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}
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int
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NET_SetSocketPort(netadr_t *addr, int port)
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{
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addr->port = BigShort(port);
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return 0;
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}
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/*
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* ============
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* PartialIPAddress
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*
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* this lets you type only as much of the net address as required,
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* using the local network components to fill in the rest
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* ============
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*/
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int
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NET_PartialIPAddress(const char *in, const netadr_t *myaddr, netadr_t *addr)
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{
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char buff[256];
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char *b;
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int ip;
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int num;
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int mask;
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int run;
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int port;
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buff[0] = '.';
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b = buff;
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strcpy(buff + 1, in);
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if (buff[1] == '.')
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b++;
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ip = 0;
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mask = -1;
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while (*b == '.') {
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b++;
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num = 0;
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run = 0;
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while (!(*b < '0' || *b > '9')) {
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num = num * 10 + *b++ - '0';
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if (++run > 3)
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return -1;
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}
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if ((*b < '0' || *b > '9') && *b != '.' && *b != ':' && *b != 0)
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return -1;
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if (num < 0 || num > 255)
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return -1;
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mask <<= 8;
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ip = (ip << 8) + num;
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}
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if (*b++ == ':')
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port = Q_atoi(b);
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else
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port = net_hostport;
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addr->port = BigShort(port);
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addr->ip.l = (myaddr->ip.l & BigLong(mask)) | BigLong(ip);
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return 0;
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}
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