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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: Environment routines -- TOPS-20 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: 1 August 1988
* Last Edited: 30 August 2006
*/
/* Dedication:
* This file is dedicated with affection to the TOPS-20 operating system, which
* set standards for user and programmer friendliness that have still not been
* equaled by more `modern' operating systems.
* Wasureru mon ka!!!!
*/
/* c-client environment parameters */
static char *myUserName = NIL; /* user name */
static char *myHomeDir = NIL; /* home directory name */
static char *myLocalHost = NIL; /* local host name */
static char *myNewsrc = NIL; /* newsrc file name */
static short no822tztext = NIL; /* disable RFC [2]822 timezone text */
#include "pmatch.c" /* include wildcard pattern matcher */
/* Environment manipulate parameters
* Accepts: function code
* function-dependent value
* Returns: function-dependent return value
*/
void *env_parameters (long function,void *value)
{
void *ret = NIL;
switch ((int) function) {
case SET_USERNAME:
if (myUserName) fs_give ((void **) &myUserName);
myUserName = cpystr ((char *) value);
case GET_USERNAME:
ret = (void *) myUserName;
break;
case SET_HOMEDIR:
if (myHomeDir) fs_give ((void **) &myHomeDir);
myHomeDir = cpystr ((char *) value);
case GET_HOMEDIR:
ret = (void *) myHomeDir;
break;
case SET_LOCALHOST:
if (myLocalHost) fs_give ((void **) &myLocalHost);
myLocalHost = cpystr ((char *) value);
case GET_LOCALHOST:
ret = (void *) myLocalHost;
break;
case SET_NEWSRC:
if (myNewsrc) fs_give ((void **) &myNewsrc);
myNewsrc = cpystr ((char *) value);
case GET_NEWSRC:
ret = (void *) myNewsrc;
break;
case SET_DISABLE822TZTEXT:
no822tztext = value ? T : NIL;
case GET_DISABLE822TZTEXT:
ret = (void *) (no822tztext ? VOIDT : NIL);
break;
}
return ret;
}
/* Write current time in RFC 822 format
* Accepts: destination string
*/
void rfc822_date (char *date)
{
char *s;
int argblk[4];
argblk[1] = (int) (date-1);
argblk[2] = -1; /* time now */
argblk[3] = OT_822; /* want RFC [2]822 format */
jsys (ODTIM,argblk);
/* suppress time zone text if desired */
if (no822tztext && (s = strstr (date," ("))) *s = NIL;
}
/* Write current time in internal format
* Accepts: destination string
*/
void internal_date (char *date)
{
int argblk[5];
argblk[1] = (int) (date-1);
argblk[2] = -1; /* time now */
argblk[3] = OT_4YR; /* output in 4-digit year format */
jsys (ODTIM,argblk);
argblk[2] = ' '; /* delimit with space */
jsys (BOUT,argblk);
argblk[2] = -1; /* time now */
argblk[4] = 0; /* no flags */
jsys (ODCNV,argblk); /* get time zone */
argblk[2] = ((argblk[4] & 077000000) >> 18) * -100;
/* add an hour if summer time */
if (argblk[4] & IC_ADS) argblk[2] += 100;
argblk[3] = 0340005000012;
jsys (NOUT,argblk);
}
/* Return my user name
* Accepts: pointer to optional flags
* Returns: my user name
*/
char *myusername_full (unsigned long *flags)
{
if (!myUserName) { /* get user name if don't have it yet */
char tmp[MAILTMPLEN];
int argblk[5],i;
jsys (GJINF,argblk); /* get job poop */
if (!(i = argblk[1])) { /* remember user number */
if (flags) *flags = MU_NOTLOGGEDIN;
return "SYSTEM"; /* not logged in */
}
argblk[1] = (int) (tmp-1); /* destination */
argblk[2] = i; /* user number */
jsys (DIRST,argblk); /* get user name string */
myUserName = cpystr (tmp); /* copy user name */
argblk[1] = 0; /* no flags */
argblk[2] = i; /* user number */
argblk[3] = 0; /* no stepping */
jsys (RCDIR,argblk); /* get home directory */
argblk[1] = (int) (tmp-1); /* destination */
argblk[2] = argblk[3]; /* home directory number */
jsys (DIRST,argblk); /* get home directory string */
myHomeDir = cpystr (tmp); /* copy home directory */
if (!myNewsrc) { /* set news file name if not defined */
sprintf (tmp,"%sNEWSRC",myhomedir ());
myNewsrc = cpystr (tmp);
}
if (flags) *flags = MU_LOGGEDIN;
}
return myUserName;
}
/* Return my local host name
* Returns: my local host name
*/
char *mylocalhost ()
{
if (!myLocalHost) { /* initialize if first time */
char tmp[MAILTMPLEN];
int argblk[5];
argblk[1] = _GTHNS; /* convert number to string */
argblk[2] = (int) (tmp-1);
argblk[3] = -1; /* want local host */
if (!jsys (GTHST,argblk)) strcpy (tmp,"LOCAL");
myLocalHost = cpystr (tmp);
}
return myLocalHost;
}
/* Return my home directory name
* Returns: my home directory name
*/
char *myhomedir ()
{
if (!myHomeDir) myusername ();/* initialize if first time */
return myHomeDir ? myHomeDir : "";
}
/* Determine default prototype stream to user
* Accepts: type (NIL for create, T for append)
* Returns: default prototype stream
*/
MAILSTREAM *default_proto (long type)
{
return NIL; /* no default prototype */
}
/* Emulator for BSD syslog() routine
* Accepts: priority
* message
* parameters
*/
void syslog (int priority,const char *message,...)
{
}
/* Emulator for BSD openlog() routine
* Accepts: identity
* options
* facility
*/
void openlog (const char *ident,int logopt,int facility)
{
}
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