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/*
* Top - a top users display for Berkeley Unix
*
* General (global) definitions
*/
#ifndef _PTOP_H_
#define _PTOP_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
void quit(int);
void reset_display();
#endif /* _PTOP_H_ */
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