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linux-scalability-benchmarks / libowfat / socket / socket_bind6.c

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#include <errno.h>
#include "haveip6.h"
#include <sys/types.h>
#ifndef __MINGW32__
#include <sys/socket.h>
#include <netinet/in.h>
#endif
#include "windoze.h"
#include "ip6.h"
#include "byte.h"
#include "socket.h"

int socket_bind6(int s,const char ip[16],uint16 port,uint32 scope_id)
{
#ifdef LIBC_HAS_IP6
  struct sockaddr_in6 sa;
#endif
  int i;

  if (!ip) ip=V6any;

#ifdef LIBC_HAS_IP6
  if (noipv6) {
#endif
    for (i=0; i<16; i++)
      if (ip[i]!=0) break;
    if (i==16 || ip6_isv4mapped(ip))
      return socket_bind4(s,ip+12,port);
#ifdef LIBC_HAS_IP6
  }
  byte_zero(&sa,sizeof sa);
  sa.sin6_family = AF_INET6;
  uint16_pack_big((char *) &sa.sin6_port,port);
/*  implicit: sa.sin6_flowinfo = 0; */
  byte_copy((char *) &sa.sin6_addr,16,ip);
  sa.sin6_scope_id=scope_id;

  return winsock2errno(bind(s,(struct sockaddr *) &sa,sizeof sa));
#else
  errno=EPROTONOSUPPORT;
  return -1;
#endif
}