toxcore/nacl/curvecp/socket_send.c
2013-07-02 09:53:34 -04:00

20 lines
522 B
C

#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <errno.h>
#include "socket.h"
#include "byte.h"
int socket_send(int fd,const unsigned char *x,long long xlen,const unsigned char *ip,const unsigned char *port)
{
struct sockaddr_in sa;
if (xlen < 0 || xlen > 1048576) { errno = EPROTO; return -1; }
byte_zero(&sa,sizeof sa);
sa.sin_family = AF_INET;
byte_copy(&sa.sin_addr,4,ip);
byte_copy(&sa.sin_port,2,port);
return sendto(fd,x,xlen,0,(struct sockaddr *) &sa,sizeof sa);
}