/* Copyright (C) 1989, 1995, 1998 artofcode LLC.  All rights reserved.
  
  This program is free software; you can redistribute it and/or modify it
  under the terms of the GNU General Public License as published by the
  Free Software Foundation; either version 2 of the License, or (at your
  option) any later version.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.

  You should have received a copy of the GNU General Public License along
  with this program; if not, write to the Free Software Foundation, Inc.,
  59 Temple Place, Suite 330, Boston, MA, 02111-1307.

*/

/*$Id: gp_dvx.c,v 1.4.2.1.2.1 2003/01/17 00:49:02 giles Exp $ */
/* Desqview/X-specific routines for Ghostscript */
#include "string_.h"
#include "gx.h"
#include "gsexit.h"
#include "gp.h"
#include "time_.h"

/* Do platform-dependent initialization. */
void
gp_init(void)
{
}

/* Do platform-dependent cleanup. */
void
gp_exit(int exit_status, int code)
{
}

/* Exit the program. */
void
gp_do_exit(int exit_status)
{
}

/* ------ Miscellaneous ------ */

/* Get the string corresponding to an OS error number. */
/* All reasonable compilers support it. */
const char *
gp_strerror(int errnum)
{
    return strerror(errnum);
}

/* ------ Date and time ------ */

/* Read the current time (in seconds since Jan. 1, 1970) */
/* and fraction (in nanoseconds). */
void
gp_get_realtime(long *pdt)
{
    struct timeval tp;
    struct timezone tzp;

    if (gettimeofday(&tp, &tzp) == -1) {
	lprintf("Ghostscript: gettimeofday failed!\n");
	tp.tv_sec = tp.tv_usec = 0;
    }
    /* tp.tv_sec is #secs since Jan 1, 1970 */
    pdt[0] = tp.tv_sec;
    pdt[1] = tp.tv_usec * 1000;

#ifdef DEBUG_CLOCK
    printf("tp.tv_sec = %d  tp.tv_usec = %d  pdt[0] = %ld  pdt[1] = %ld\n",
	   tp.tv_sec, tp.tv_usec, pdt[0], pdt[1]);
#endif
}

/* Read the current user CPU time (in seconds) */
/* and fraction (in nanoseconds).  */
void
gp_get_usertime(long *pdt)
{
    gp_get_realtime(pdt);	/* Use an approximation for now.  */
}

/* ------ Printer accessing ------ */

/* Open a connection to a printer.  A null file name means use the */
/* standard printer connected to the machine, if any. */
/* Return NULL if the connection could not be opened. */
extern void gp_set_file_binary(P2(int, int));
FILE *
gp_open_printer(char fname[gp_file_name_sizeof], int binary_mode)
{
    if (strlen(fname) == 0 || !strcmp(fname, "PRN")) {
	if (binary_mode)
	    gp_set_file_binary(fileno(stdprn), 1);
	stdprn->_flag = _IOWRT;	/* Make stdprn buffered to improve performance */
	return stdprn;
    } else
	return fopen(fname, (binary_mode ? "wb" : "w"));
}

/* Close the connection to the printer. */
void
gp_close_printer(FILE * pfile, const char *fname)
{
    if (pfile == stdprn)
	fflush(pfile);
    else
	fclose(pfile);
}