env_vms.c

mgcp协议源代码。支持多种编码：g711

/*
 * Program:	VMS environment routines
 *
 * Author:	Mark Crispin
 *		Networks and Distributed Computing
 *		Computing & Communications
 *		University of Washington
 *		Administration Building, AG-44
 *		Seattle, WA  98195
 *		Internet: [e-mail]
 *
 * Date:	2 August 1994
 * Last Edited:	15 June 2000
 *
 * Copyright 2000 by the University of Washington
 *
 *  Permission to use, copy, modify, and distribute this software and its
 * documentation for any purpose and without fee is hereby granted, provided
 * that the above copyright notice appears in all copies and that both the
 * above copyright notice and this permission notice appear in supporting
 * documentation, and that the name of the University of Washington not be
 * used in advertising or publicity pertaining to distribution of the software
 * without specific, written prior permission.	This software is made available
 * "as is", and
 * THE UNIVERSITY OF WASHINGTON DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
 * WITH REGARD TO THIS SOFTWARE, INCLUDING WITHOUT LIMITATION ALL IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND IN
 * NO EVENT SHALL THE UNIVERSITY OF WASHINGTON BE LIABLE FOR ANY SPECIAL,
 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, TORT
 * (INCLUDING NEGLIGENCE) OR STRICT LIABILITY, ARISING OUT OF OR IN CONNECTION
 * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */


static char *myUserName = NIL;	/* user name */
static char *myLocalHost = NIL;	/* local host name */
static char *myHomeDir = NIL;	/* home directory name */
static char *myNewsrc = NIL;	/* newsrc file name */

#include "patch.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:
    myUserName = cpystr ((char *) value);
  case GET_USERNAME:
    ret = (void *) myUserName;
    break;
  case SET_HOMEDIR:
    myHomeDir = cpystr ((char *) value);
  case GET_HOMEDIR:
    ret = (void *) myHomeDir;
    break;
  case SET_LOCALHOST:
    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:
    if (!myNewsrc) {		/* set news file name if not defined */
      char tmp[MAILTMPLEN];
      sprintf (tmp,"%s:.newsrc",myhomedir ());
      myNewsrc = cpystr (tmp);
    }
    ret = (void *) myNewsrc;
    break;
  }
  return ret;
}
 
/* Write current time
 * Accepts: destination string
 *	    optional format of day-of-week prefix
 *	    format of date and time
 */

static void do_date (char *date,char *prefix,char *fmt)
{
  time_t tn = time (0);
  struct tm *t = localtime (&tn);
  int zone = LOCALTIMEZONE + (t->tm_isdst ? 60 : 0);
  if (prefix) {			/* want day of week? */
    sprintf (date,prefix,days[t->tm_wday]);
    date += strlen (date);	/* make next sprintf append */
  }
				/* output the date */
  sprintf (date,fmt,t->tm_mday,months[t->tm_mon],t->tm_year+1900,
	   t->tm_hour,t->tm_min,t->tm_sec,zone/60,abs (zone) % 60);
}


/* Write current time in RFC 822 format
 * Accepts: destination string
 */

void rfc822_date (char *date)
{
  do_date (date,"%s, ","%d %s %d %02d:%02d:%02d %+03d%02d");
}


/* Write current time in internal format
 * Accepts: destination string
 */

void internal_date (char *date)
{
  do_date (date,NIL,"%02d-%s-%d %02d:%02d:%02d %+03d%02d");
}

/* Return my user name
 * Returns: my user name
 */

char *myusername ()
{
  struct stat sbuf;
  char tmp[MAILTMPLEN];

  if (!myUserName) {		/* get user name if don't have it yet */
    myUserName = cpystr (cuserid (NIL));
    myHomeDir = cpystr ("SYS$LOGIN");
  }
  return myUserName;
}


/* Return my home directory name
 * Returns: my home directory name
 */

char *myhomedir ()
{
  if (!myHomeDir) myusername ();/* initialize if first time */
  return 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)
{
}