msousa@0: /*
msousa@0:  * Copyright (c) 2016 Mario de Sousa (msousa@fe.up.pt)
msousa@0:  *
msousa@0:  * This file is part of the Modbus library for Beremiz and matiec.
msousa@0:  *
msousa@0:  * This Modbus library is free software: you can redistribute it and/or modify
msousa@0:  * it under the terms of the GNU Lesser General Public License as published by
msousa@0:  * the Free Software Foundation, either version 3 of the License, or
msousa@0:  * (at your option) any later version.
msousa@0:  *
msousa@0:  * This program is distributed in the hope that it will be useful, but
msousa@0:  * WITHOUT ANY WARRANTY; without even the implied warranty of
msousa@0:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser 
msousa@0:  * General Public License for more details.
msousa@0:  *
msousa@0:  * You should have received a copy of the GNU Lesser General Public License
msousa@0:  * along with this Modbus library.  If not, see <http://www.gnu.org/licenses/>.
msousa@0:  *
msousa@0:  * This code is made available on the understanding that it will not be
msousa@0:  * used in safety-critical situations without a full and competent review.
msousa@0:  */
msousa@0: 
msousa@0: 
msousa@0: #ifndef SIN_UTIL_H
msousa@0: #define SIN_UTIL_H
msousa@0: 
msousa@0: 
msousa@0: #include <sys/types.h>
msousa@0: #include <sys/socket.h>
msousa@0: #include <netinet/in.h>
msousa@0: #include <arpa/inet.h>
msousa@0: 
msousa@0: 
msousa@0: 
msousa@0: /* Create a socket for the IP protocol family, and connect to remote host. */
msousa@0: int sin_connsock(const char *host, const char *service, const char *protocol);
msousa@0: 
msousa@0: /* Create a socket for the IP protocol family, and bind to local host's port. */
msousa@0: int sin_bindsock(const char *host, const char *service, const char *protocol);
msousa@0: 
msousa@0: /* Initialize a in_addr structure */
msousa@0: int sin_initaddr(struct sockaddr_in *sin,
msousa@0:                  const char *host,    int allow_null_host, // 1 => allow host NULL, "" or "*" -> INADDR_ANY
msousa@0:                  const char *service, int allow_null_serv, // 1 => allow serivce NULL or ""   -> port = 0
msousa@0:                  const char *protocol);
msousa@0: #endif