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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 (B&W) 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 "misc.h"
#include "stdlib.h"
#include "bwtcp.h"
#include "fs_dos.c"
#include "ftl_dos.c"
#include "nl_dos.c"
#include "env_dos.c"
#undef write
#define read soread
#define write sowrite
#define close soclose
#include "tcp_dos.c"
/* Return my local host name
* Returns: my local host name
*/
char *mylocalhost (void)
{
char *s;
if (!myLocalHost) { /* known yet? */
/* get local host name from DISPLAY env var */
if (!((s = getenv ("DISPLAY")) || (s = getenv ("display")))) {
mm_log ("Environment variable 'DISPLAY' is not set", ERROR);
s = "random-pc";
}
myLocalHost = cpystr (s);
}
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)
{
char *s = *host; /* in case of error */
sin->sin_addr.s_addr = rhost (host);
if (sin->sin_addr.s_addr == -1) {
*host = s; /* error, restore old host name */
return NIL;
}
*host = cpystr (*host); /* make permanent copy of name */
return T; /* success */
}
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