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/* ========================================================================
* Copyright 1988-2006 University of Washington
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
*
* ========================================================================
*/
/*
* Program: Operating-system dependent routines -- MS-DOS (PC-NFS) version
*
* Author: Mark Crispin
* Networks and Distributed Computing
* Computing & Communications
* University of Washington
* Administration Building, AG-44
* Seattle, WA 98195
* Internet: MRC@CAC.Washington.EDU
*
* Date: 11 April 1989
* Last Edited: 30 August 2006
*/
/* Private function prototypes */
#include "tcp_dos.h" /* must be before osdep includes tcp.h */
#include "mail.h"
#include "osdep.h"
#include <time.h>
#include <errno.h>
#include <fcntl.h>
#include <sys\stat.h>
#include <sys\timeb.h>
#include <sys\nfs_time.h>
#include <sys\tk_types.h>
#include <sys\socket.h>
#include <netinet\in.h>
#include <tk_errno.h>
#include <sys\uio.h>
#include <netdb.h>
#include "misc.h"
#include "fs_dos.c"
#include "ftl_dos.c"
#include "nl_dos.c"
#include "env_dos.c"
#undef write
#include "tcp_dos.c"
/* Return my local host name
* Returns: my local host name
*/
char *mylocalhost (void)
{
if (!myLocalHost) { /* known yet? */
char *s,tmp[MAILTMPLEN];
unsigned long myip;
/* see if known host name */
if (!gethostname (tmp,MAILTMPLEN-1)) s = tmp;
/* no, try host address */
else if (get_myipaddr ((char *) &myip))
sprintf (s = tmp,"[%s]",inet_ntoa (myip));
else s = "random-pc"; /* say what? */
myLocalHost = cpystr (s); /* record for subsequent use */
}
return myLocalHost;
}
/* Look up host address
* Accepts: pointer to pointer to host name
* socket address block
* Returns: non-zero with host address in socket, official host name in host;
* else NIL
*/
long lookuphost (char **host,struct sockaddr_in *sin)
{
long ret = -1;
char tmp[MAILTMPLEN];
struct hostent *hn = gethostbyname (lcase (strcpy (tmp,*host)));
if (!hn) return NIL; /* got a host name? */
*host = cpystr (hn->h_name); /* set official name */
/* copy host addresses */
memcpy (&sin->sin_addr,hn->h_addr,hn->h_length);
return T;
}
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