actube/src/cw/sock_create.c
7u83@mail.ru f4ebe841a5 renamed capwap directory to cw.
FossilOrigin-Name: 8a43dd9d05a4cb73210243ddd8df2a26f16c7ef2c4d4e36ab446de1f65d88223
2016-03-03 19:46:20 +00:00

64 lines
1.3 KiB
C

/*
This file is part of libcapwap.
libcapwap 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 3 of the License, or
(at your option) any later version.
libcapwap 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "sock.h"
int sock_create(const struct sockaddr * sa)
{
int sock;
int yes=1;
int salen;
/* determine length */
switch(sa->sa_family){
case AF_INET:
salen = sizeof(struct sockaddr_in);
break;
case AF_INET6:
salen = sizeof(struct sockaddr_in6);
break;
default:
return -1;
}
/* bind a unicast address */
if((sock = socket(sa->sa_family, SOCK_DGRAM, 0)) < 0) {
return -1;
}
/* reuse address */
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes))){
return -1;
};
/* bind address */
if ( bind(sock,sa,salen) < 0) {
return -1;
}
return sock;
}