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/*
(c) Copyright 2012 - 2018 Anton Sviridenko
https://picapica.im
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, version 3.
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, see <https://www.gnu.org/licenses/>.
*/
#ifndef PICA_COMMON_H
#define PICA_COMMON_H
#ifdef WIN32
#define CLOSE closesocket
#define SHUTDOWN(s) shutdown(s,SD_BOTH)
#define IOCTLSETNONBLOCKINGSOCKET(s, a) {unsigned long arg = (a); ioctlsocket(s, FIONBIO, (unsigned long*)&arg); }
/* Winsock takes the option value as char*, unlike the BSD sockets API */
#define SETTCPNODELAY(s) {int arg = 1; setsockopt(s, IPPROTO_TCP, TCP_NODELAY, (const char*)&arg, sizeof(arg)); }
#else
#define CLOSE close
#define SHUTDOWN(s) shutdown(s,SHUT_RDWR)
#define IOCTLSETNONBLOCKINGSOCKET(s, a) {int arg = (a); ioctl(s, FIONBIO, (int*)&arg); }
/* Disables Nagle's algorithm. Every Pica Pica protocol message is small and
* is meant to be delivered as soon as it is written - holding one back until
* the previous one is acknowledged adds delay to chat messages and, much more
* noticeably, to the audio and video packets of a call.
*/
#define SETTCPNODELAY(s) {int arg = 1; setsockopt(s, IPPROTO_TCP, TCP_NODELAY, &arg, sizeof(arg)); }
#endif
#if defined(WIN32) || defined (__APPLE__)
#define MSG_NOSIGNAL 0
#endif
//call func for each linked list item
#define LISTMAP(listname,type,func,arg) \
{struct type *p;\
p= listname ## _list_head;\
while(p)\
{func(p,arg);p=p->next;}\
}
#define LISTSEARCH(listname,type, item, value,itemptr) \
{\
struct type *p;\
p= listname ## _list_head;\
while(p)\
{\
if (p-> item == value)\
{\
itemptr=p;\
break;\
}\
p=p->next;\
}\
}
#endif
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