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#include <sys/types.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "byte.h"
#include "socket.h"
#include "ip4.h"
#include "ip6.h"
#include "haveip6.h"
#include "error.h"
int socket_send6(int s,const char *buf,unsigned int len,const char ip[16],uint16 port,uint32 scope_id)
{
#ifdef LIBC_HAS_IP6
struct sockaddr_in6 sa;
#else
struct sockaddr_in sa;
#endif
byte_zero(&sa,sizeof sa);
#ifdef LIBC_HAS_IP6
if (noipv6) {
#endif
if (ip6_isv4mapped(ip))
return socket_send4(s,buf,len,ip+12,port);
if (byte_equal(ip,16,V6loopback))
return socket_send4(s,buf,len,ip4loopback,port);
#ifdef LIBC_HAS_IP6
errno=error_proto;
return -1;
}
sa.sin6_family = AF_INET6;
uint16_pack_big((char *) &sa.sin6_port,port);
byte_copy((char *) &sa.sin6_addr,16,ip);
return sendto(s,buf,len,0,(struct sockaddr *) &sa,sizeof sa);
#else
errno=error_proto;
return -1;
#endif
}
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