1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/osdep/dos/os_dbw.c	Mon Sep 14 15:17:45 2009 +0900
     1.3 @@ -0,0 +1,91 @@
     1.4 +/* ========================================================================
     1.5 + * Copyright 1988-2006 University of Washington
     1.6 + *
     1.7 + * Licensed under the Apache License, Version 2.0 (the "License");
     1.8 + * you may not use this file except in compliance with the License.
     1.9 + * You may obtain a copy of the License at
    1.10 + *
    1.11 + *     http://www.apache.org/licenses/LICENSE-2.0
    1.12 + *
    1.13 + * 
    1.14 + * ========================================================================
    1.15 + */
    1.16 +
    1.17 +/*
    1.18 + * Program:	Operating-system dependent routines -- MS-DOS (B&W) version
    1.19 + *
    1.20 + * Author:	Mark Crispin
    1.21 + *		Networks and Distributed Computing
    1.22 + *		Computing & Communications
    1.23 + *		University of Washington
    1.24 + *		Administration Building, AG-44
    1.25 + *		Seattle, WA  98195
    1.26 + *		Internet: MRC@CAC.Washington.EDU
    1.27 + *
    1.28 + * Date:	11 April 1989
    1.29 + * Last Edited:	30 August 2006
    1.30 + */
    1.31 +
    1.32 +/* Private function prototypes */
    1.33 +
    1.34 +#include "tcp_dos.h"		/* must be before osdep includes tcp.h */
    1.35 +#include "mail.h"
    1.36 +#include "osdep.h"
    1.37 +#include <time.h>
    1.38 +#include <errno.h>
    1.39 +#include <fcntl.h>
    1.40 +#include <sys\stat.h>
    1.41 +#include <sys\timeb.h>
    1.42 +#include "misc.h"
    1.43 +#include "stdlib.h"
    1.44 +#include "bwtcp.h"
    1.45 +
    1.46 +
    1.47 +#include "fs_dos.c"
    1.48 +#include "ftl_dos.c"
    1.49 +#include "nl_dos.c"
    1.50 +#include "env_dos.c"
    1.51 +#undef write
    1.52 +#define read soread
    1.53 +#define write sowrite
    1.54 +#define close soclose 
    1.55 +#include "tcp_dos.c"
    1.56 +
    1.57 +
    1.58 +/* Return my local host name
    1.59 + * Returns: my local host name
    1.60 + */
    1.61 +
    1.62 +char *mylocalhost (void)
    1.63 +{
    1.64 +  char *s;
    1.65 +  if (!myLocalHost) {		/* known yet? */
    1.66 +				/* get local host name from DISPLAY env var */
    1.67 +    if (!((s = getenv ("DISPLAY")) || (s = getenv ("display")))) {
    1.68 +      mm_log ("Environment variable 'DISPLAY' is not set", ERROR);
    1.69 +      s = "random-pc";
    1.70 +    }
    1.71 +    myLocalHost = cpystr (s);
    1.72 +  }
    1.73 +  return myLocalHost;
    1.74 +}
    1.75 +
    1.76 +
    1.77 +/* Look up host address
    1.78 + * Accepts: pointer to pointer to host name
    1.79 + *	    socket address block
    1.80 + * Returns: non-zero with host address in socket, official host name in host;
    1.81 + *	    else NIL
    1.82 + */
    1.83 +
    1.84 +long lookuphost (char **host,struct sockaddr_in *sin)
    1.85 +{
    1.86 +  char *s = *host;		/* in case of error */
    1.87 +  sin->sin_addr.s_addr = rhost (host);
    1.88 +  if (sin->sin_addr.s_addr == -1) {
    1.89 +    *host = s;			/* error, restore old host name */
    1.90 +    return NIL;
    1.91 +  }
    1.92 +  *host = cpystr (*host);	/* make permanent copy of name */
    1.93 +  return T;			/* success */
    1.94 +}