Early Roguelike Collection: rogue4/mach

annotate rogue4/mach_dep.c @ 120:d6b7c3fb37ea

srogue: add and use more md_* portable functions. Privileges and memory usage checks are now more portable.

author	John "Elwin" Edwards
date	Fri, 02 May 2014 15:06:23 -0700
parents	5926ec314fd4
children	1b73a8641b37

rev	line source
12 9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	1 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	2 * Various installation dependent routines
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	3 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	4 * @(#)mach_dep.c 4.23 (Berkeley) 5/19/82
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	5 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	6 * Rogue: Exploring the Dungeons of Doom
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	7 * Copyright (C) 1980, 1981, 1982 Michael Toy, Ken Arnold and Glenn Wichman
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	8 * All rights reserved.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	9 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	10 * See the file LICENSE.TXT for full copyright and licensing information.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	11 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	12
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	13 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	14 * The various tuneable defines are:
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	15 *
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	16 * SCOREFILE Where/if the score file should live.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	17 * MAXLOAD What (if any) the maximum load average should be
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	18 * when people are playing. If defined, then
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	19 * LOADAV Should rogue define it's own routine to
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	20 * get the load average?
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	21 * NAMELIST If so, where does the system namelist hide?
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	22 * MAXUSERS What (if any) the maximum user count should be
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	23 * when people are playing. If defined, then
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	24 * UCOUNT Should rogue define it's own routine to
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	25 * count users?
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	26 * UTMP If so, where does the user list hide?
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	27 * CHECKTIME How often/if rogue should check during the game
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	28 * for high load average.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	29 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	30
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	31 #include <limits.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	32 #include <stdlib.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	33 #include <stdio.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	34 #include <curses.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	35 #include <time.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	36 #include <signal.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	37 #include <sys/stat.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	38 #include <fcntl.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	39 #include <string.h>
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	40 #include "rogue.h"
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	41
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	42 int num_checks; /* times we've gone over in checkout() */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	43
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	44 #ifdef SCOREFILE
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	45 #ifdef LOCKFILE
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	46 static char *lockfile = LOCKFILE;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	47 #endif
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	48 #endif
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	49
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	50 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	51 * init_check:
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	52 * Check out too see if it is proper to play the game now
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	53 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	54 init_check()
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	55 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	56 if (too_much())
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	57 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	58 printf("Sorry, %s, but the system is too loaded now.\n", whoami);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	59 printf("Try again later. Meanwhile, why not enjoy a%s %s?\n",
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	60 vowelstr(fruit), fruit);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	61 if (author())
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	62 printf("However, since you're a good guy, it's up to you\n");
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	63 else
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	64 exit(1);
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	65 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	66 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	67
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	68 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	69 * open_score:
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	70 * Open up the score file for future use, and then
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	71 * setuid(getuid()) in case we are running setuid.
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	72 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	73 open_score()
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	74 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	75 #ifdef SCOREFILE
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	76 fd = open(SCOREFILE, O_RDWR \| O_CREAT, 0666 );
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	77 #else
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	78 fd = -1;
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	79 #endif
13 63b9fd7d70ce rogue4: add -n option and system savedir edwarj4 parents: 12 diff changeset	80 if (!use_savedir)
63b9fd7d70ce rogue4: add -n option and system savedir edwarj4 parents: 12 diff changeset	81 md_normaluser();
63b9fd7d70ce rogue4: add -n option and system savedir edwarj4 parents: 12 diff changeset	82 return;
12 9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	83 }
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	84
26 ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	85 void open_log(void)
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	86 {
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	87 #ifdef LOGFILE
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	88 lfd = open(LOGFILE, O_WRONLY \| O_APPEND \| O_CREAT, 0666);
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	89 #else
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	90 lfd = -1;
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	91 #endif
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	92 return;
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	93 }
ea7372f5d314 rogue4: add logging all games edwarj4 parents: 23 diff changeset	94
12 9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	95 /*
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	96 * setup:
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	97 * Get starting setup for all games
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	98 */
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	99 setup()
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	100 {
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	101 void auto_save(), quit(), endit(), tstp();
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	102 #ifdef CHECKTIME
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4 parents: diff changeset	103 int checkout();
9535a08ddc39 Import Rogue 5.2 from the Roguelike Restoration Project (r1490) edwarj4

Mercurial > hg > early-roguelike

annotate rogue4/mach_dep.c @ 120:d6b7c3fb37ea