#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <strings.h>
#include <sys/socket.h>

extern const char *__progname;

#include "nf.h"

void nf_socketpair(int af, int type, int proto, int *fdv)
{
 if (socketpair(af,type,proto,fdv) < 0)
  { fprintf(stderr,"%s: socketpair: %s\n",__progname,strerror(errno));
    exit(1);
  }
 close(0x10000000+fdv[0]);
 close(0x10000000+fdv[1]);
}

pid_t nf_fork(void)
{
 pid_t kid;

 kid = fork();
 if (kid < 0)
  { fprintf(stderr,"%s: fork: %s\n",__progname,strerror(errno));
    exit(1);
  }
 return(kid);
}

int nf_sendmsg(int fd, const struct msghdr *msg, int flags)
{
 int rv;

 rv = sendmsg(fd,msg,flags);
 if (rv < 0)
  { fprintf(stderr,"%s: sendmsg: %s\n",__progname,strerror(errno));
    exit(1);
  }
 return(rv);
}

int nf_send(int fd, const void *buf, size_t len, int flags)
{
 int rv;

 rv = send(fd,buf,len,flags);
 if (rv < 0)
  { fprintf(stderr,"%s: send: %s\n",__progname,strerror(errno));
    exit(1);
  }
 return(rv);
}

int nf_recv(int fd, void *buf, size_t spc, int flags)
{
 int rv;

 rv = recv(fd,buf,spc,flags);
 if (rv < 0)
  { fprintf(stderr,"%s: recv: %s\n",__progname,strerror(errno));
    exit(1);
  }
 return(rv);
}