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author | Eduardo Chappa <echappa@gmx.com> | 2013-02-03 00:59:38 -0700 |
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committer | Eduardo Chappa <echappa@gmx.com> | 2013-02-03 00:59:38 -0700 |
commit | 094ca96844842928810f14844413109fc6cdd890 (patch) | |
tree | e60efbb980f38ba9308ccb4fb2b77b87bbc115f3 /imap/src/osdep/dos/os_dpc.c | |
download | alpine-094ca96844842928810f14844413109fc6cdd890.tar.xz |
Initial Alpine Version
Diffstat (limited to 'imap/src/osdep/dos/os_dpc.c')
-rw-r--r-- | imap/src/osdep/dos/os_dpc.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/imap/src/osdep/dos/os_dpc.c b/imap/src/osdep/dos/os_dpc.c new file mode 100644 index 00000000..eece19d7 --- /dev/null +++ b/imap/src/osdep/dos/os_dpc.c @@ -0,0 +1,102 @@ +/* ======================================================================== + * 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/TCP) 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 <4bsddefs.h> +#include <sys\socket.h> +#include <errno.h> +#include <arpa\inet.h> +#include <netinet\in.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]; + long myip; + /* see if known host name */ + if (!gethostname (tmp,MAILTMPLEN-1)) s = tmp; + /* no, try IP address */ + else if (myip = gethostid ()) { + struct in_addr in; + in.s_addr = myip; + sprintf (s = tmp,"[%s]",inet_ntoa (in)); + } + /* older kernel, look harder. */ + else if (getconf ("ifcust","ip-address",tmp+1,MAILTMPLEN-2)) { + *(s = tmp) = '['; /* wrap the brackets around it */ + strcat (tmp,"]"); + } + 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; +} |