diff options
Diffstat (limited to 'imap/src/osdep/dos/os_dbw.c')
-rw-r--r-- | imap/src/osdep/dos/os_dbw.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/imap/src/osdep/dos/os_dbw.c b/imap/src/osdep/dos/os_dbw.c new file mode 100644 index 00000000..e28e1ab0 --- /dev/null +++ b/imap/src/osdep/dos/os_dbw.c @@ -0,0 +1,91 @@ +/* ======================================================================== + * 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 */ +} |