/*
 *	Top - a top users display for Berkeley Unix
 *
 *	General (global) definitions
 */

#ifndef _PG_TOPP_H_
#define _PG_TOPP_H_

/* Maximum number of columns allowed for display */
#define MAX_COLS	255

/* Log base 2 of 1024 is 10 (2^10 == 1024) */
#define LOG1024		10

/* Special atoi routine returns either a non-negative number or one of: */
#define Infinity	-1
#define Invalid		-2

/* maximum number we can have */
#define Largest		0x7fffffff

/*
 * The entire display is based on these next numbers being defined as is.
 */

#define NUM_AVERAGES	3

struct ext_decl
{
	int			(*f_minibar) (char *, int);
	int			(*f_display) (char *, int);
};

/*
 *	Definitions for things that might vary between installations.
 */

/*
 *	"Table_size" defines the size of the hash tables used to map uid to
 *	username.  Things will work best if the number is a prime number.
 *	We use a number that should be suitable for most installations.
 */
#ifndef Table_size
#define Table_size	8191
#endif

/*
 *	"Nominal_TOPN" is used as the default TOPN when Default_TOPN is Infinity
 *	and the output is a dumb terminal.	If we didn't do this, then
 *	installations who use a default TOPN of Infinity will get every
 *	process in the system when running top on a dumb terminal (or redirected
 *	to a file).  Note that Nominal_TOPN is a default:  it can still be
 *	overridden on the command line, even with the value "infinity".
 */
#ifndef Nominal_TOPN
#define Nominal_TOPN	40
#endif

#ifndef Default_DELAY
#define Default_DELAY	5
#endif

/*
 *	If the local system's getpwnam interface uses random access to retrieve
 *	a record (i.e.: 4.3 systems, Sun "yellow pages"), then defining
 *	RANDOM_PW will take advantage of that fact.  If RANDOM_PW is defined,
 *	then getpwnam is used and the result is cached.  If not, then getpwent
 *	is used to read and cache the password entries sequentially until the
 *	desired one is found.
 *
 *	We initially set RANDOM_PW to something which is controllable by the
 *	Configure script.  Then if its value is 0, we undef it.
 */

#define RANDOM_PW	1
#if RANDOM_PW == 0
#undef RANDOM_PW
#endif

/* Display modes for table and index statistics. */
#define STATS_DIFF 0
#define STATS_CUMULATIVE 1

void		quit(int);
void		reset_display();

extern int	mode_stats;

#endif   /* _PG_TOPP_H_ */