/*                        Copyright (c) 1988 Bellcore
**                            All Rights Reserved
**       Permission is granted to copy or use this program, EXCEPT that it
**       may not be sold for profit, the copyright notice must be reproduced
**       on copies, and credit should be given to Bellcore where it is due.
**       BELLCORE MAKES NO WARRANTY AND ACCEPTS NO LIABILITY FOR THIS PROGRAM.
*/


#ifndef lint
static char rcsid[]= "$Header$";
#endif

#include <stdio.h>
#include "misc.h"
#include "visual.h"
#include "output.h"

/*
**	various routines used throughout the program
*/

static int _Z_qflag = 0;

void
Z_setquiet()
{
	_Z_qflag = 1;
}

char Z_err_buf[Z_LINELEN];

#ifndef NOCHATTER
/*
**	I/O coverup to reassure users with HUGE files
**	that spiff is doing something
*/
void
Z_chatter(str)
char *str;
{
	if (!_Z_qflag)
	{
		(void) fputs("spiff -- ",stderr);
		(void) fputs(str,stderr);
	}
}
#endif

/*
**	complain unless you've been told to be quiet
*/
void
Z_complain(str)
char *str;
{
	if (!_Z_qflag)
		(void) fputs(str,stderr);
}

/*
**	quit with an error code
*/
static void
_Z_errexit()
{
	(void) exit(2);
}

/*
**	complain and die
*/
void
_Z_qfatal(str)
char *str;
{
	V_cleanup();	/* try reset the device to normal */
	O_cleanup();	/*  "    "    "     "   "    "    */
	Z_complain(str);
	_Z_errexit();
}

/*
**	scream and die
*/
void
Z_fatal(str)
char *str;
{
	V_cleanup();	/* try reset the device to normal */
	O_cleanup();	/*  "    "    "     "   "    "    */
	(void) fputs(str,stderr);
	_Z_errexit();
}

/*
**	allocate memory with error checking
*/
int*
_Z_myalloc(k)
int k;
{
	int *tmp;
	if ((tmp = (int*) calloc((unsigned)k,(unsigned)1)) != 0)
	{
		return(tmp);
	}
	Z_fatal("Out of Memory\n");
	return(tmp);	/* boilerplate to shut up lint */
}

void
Z_exceed(d)
int d;
{
	(void) sprintf(Z_err_buf,
		"The files differ in more than %d places\n", d);
	_Z_qfatal(Z_err_buf);
}