freebsd-skq/games/battlestar/com1.c
Eivind Eklund c52e467e03 Remove buffer overflow and tempfile race, remove <sys/time.h> hack (and
need for it), change definition of setbit() macro and friends to be
compatible with <sys/param.h>.
The bugs were discovered and fixed as a result of the FreeBSD code audit.

Submitted by:	Aaron Bornstein <aaronb@j51.com>, Mark Huizer <xaa@stack.nl>
1997-02-20 03:04:54 +00:00

251 lines
7.9 KiB
C

/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)com1.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
#include "externs.h"
move(thataway, token)
int thataway, token;
{
wordnumber++;
if ((!notes[CANTMOVE] && !notes[LAUNCHED]) || testbit(location[position].objects, LAND) || fuel > 0 && notes[LAUNCHED])
if (thataway) {
position = thataway;
newway(token);
gtime++;
}
else {
puts("You can't go this way.");
newway(token);
whichway(location[position]);
return(0);
}
else if (notes[CANTMOVE] && !notes[LAUNCHED])
puts("You aren't able to move; you better drop something.");
else
puts("You are out of fuel; now you will rot in space forever!");
return(1);
}
convert(tothis) /* Converts day to night and vice versa. */
int tothis; /* Day objects are permanent. Night objects are added*/
{ /* at dusk, and subtracted at dawn. */
register struct objs *p;
register i, j;
if (tothis == TONIGHT) {
for (i = 1; i <= NUMOFROOMS; i++)
for (j = 0; j < NUMOFWORDS; j++)
nightfile[i].objects[j] = dayfile[i].objects[j];
for (p = nightobjs; p->room != 0; p++)
setbit(nightfile[p->room].objects, p->obj);
location = nightfile;
} else {
for (i = 1; i <= NUMOFROOMS; i++)
for (j = 0; j < NUMOFWORDS; j++)
dayfile[i].objects[j] = nightfile[i].objects[j];
for (p = nightobjs; p->room != 0; p++)
clearbit(dayfile[p->room].objects, p->obj);
location = dayfile;
}
}
news()
{
register int n;
int hurt;
if (gtime > 30 && position < 32){
puts("An explosion of shuddering magnitude splinters bulkheads and");
puts("ruptures the battlestar's hull. You are sucked out into the");
puts("frozen void of space and killed.");
die();
}
if (gtime > 20 && position < 32)
puts("Explosions rock the battlestar.");
if (gtime > snooze){
puts("You drop from exhaustion...");
zzz();
}
if (gtime > snooze - 5)
puts("You're getting tired.");
if (gtime > (rythmn + CYCLE)) {
if (location == nightfile) {
convert(TODAY);
if (OUTSIDE && gtime - rythmn - CYCLE < 10) {
puts("Dew lit sunbeams stretch out from a watery sunrise and herald the dawn.");
puts("You awake from a misty dream-world into stark reality.");
puts("It is day.");
}
} else {
convert(TONIGHT);
clearbit(location[POOLS].objects, BATHGOD);
if (OUTSIDE && gtime - rythmn - CYCLE < 10) {
puts("The dying sun sinks into the ocean, leaving a blood stained sunset.");
puts("The sky slowly fades from orange to violet to black. A few stars");
puts("flicker on, and it is night.");
puts("The world seems completly different at night.");
}
}
rythmn = gtime - gtime % CYCLE;
}
if (!wiz && !tempwiz)
if ((testbit(inven,TALISMAN) || testbit(wear,TALISMAN)) && (testbit(inven,MEDALION) || testbit(wear,MEDALION)) && (testbit(inven,AMULET) || testbit(wear,AMULET))){
tempwiz = 1;
puts("The three amulets glow and reenforce each other in power.\nYou are now a wizard.");
}
if (testbit(location[position].objects,ELF)){
printf("%s\n",objdes[ELF]);
fight(ELF,rnd(30));
}
if (testbit(location[position].objects,DARK)){
printf("%s\n",objdes[DARK]);
fight(DARK,100);
}
if (testbit(location[position].objects,WOODSMAN)){
printf("%s\n",objdes[WOODSMAN]);
fight(WOODSMAN,50);
}
switch(position){
case 267:
case 257: /* entering a cave */
case 274:
case 246:
notes[CANTSEE] = 1;
break;
case 160:
case 216: /* leaving a cave */
case 230:
case 231:
case 232:
notes[CANTSEE] = 0;
break;
}
if (testbit(location[position].objects, GIRL))
meetgirl = 1;
if (meetgirl && CYCLE * 1.5 - gtime < 10){
setbit(location[GARDEN].objects,GIRLTALK);
setbit(location[GARDEN].objects,LAMPON);
setbit(location[GARDEN].objects,ROPE);
}
if (position == DOCK && (beenthere[position] || gtime > CYCLE)){
clearbit(location[DOCK].objects, GIRL);
clearbit(location[DOCK].objects,MAN);
}
if (meetgirl && gtime - CYCLE * 1.5 > 10){
clearbit(location[GARDEN].objects,GIRLTALK);
clearbit(location[GARDEN].objects,LAMPON);
clearbit(location[GARDEN].objects,ROPE);
meetgirl = 0;
}
if (testbit(location[position].objects,CYLON)){
puts("Oh my God, you're being shot at by an alien spacecraft!");
printf("The targeting computer says we have %d seconds to attack!\n",gclock);
fflush(stdout);
sleep(1);
if (!visual()){
hurt = rnd(NUMOFINJURIES);
injuries[hurt] = 1;
puts("Laser blasts sear the cockpit, and the alien veers off in a victory roll.");
puts("The viper shudders under a terrible explosion.");
printf("I'm afraid you have suffered %s.\n", ouch[hurt]);
}
else
clearbit(location[position].objects,CYLON);
}
if (injuries[SKULL] && injuries[INCISE] && injuries[NECK]){
puts("I'm afraid you have suffered fatal injuries.");
die();
}
for (n=0; n < NUMOFINJURIES; n++)
if (injuries[n] == 1){
injuries[n] = 2;
if (WEIGHT > 5)
WEIGHT -= 5;
else
WEIGHT = 0;
}
if (injuries[ARM] == 2){
CUMBER -= 5;
injuries[ARM]++;
}
if (injuries[RIBS] == 2){
CUMBER -= 2;
injuries[RIBS]++;
}
if (injuries[SPINE] == 2){
WEIGHT = 0;
injuries[SPINE]++;
}
if (carrying > WEIGHT || encumber > CUMBER)
notes[CANTMOVE] = 1;
else
notes[CANTMOVE] = 0;
}
crash()
{
int hurt1,hurt2;
fuel--;
if (!location[position].flyhere || (testbit(location[position].objects,LAND) && fuel <= 0)){
if (!location[position].flyhere)
puts("You're flying too low. We're going to crash!");
else{
puts("You're out of fuel. We'll have to crash land!");
if (!location[position].down){
puts("Your viper strikes the ground and explodes into firey fragments.");
puts("Thick black smoke billows up from the wreckage.");
die();
}
position = location[position].down;
}
notes[LAUNCHED] = 0;
setbit(location[position].objects,CRASH);
gtime += rnd(CYCLE/4);
puts("The viper explodes into the ground and you lose consciousness...");
zzz();
hurt1 = rnd(NUMOFINJURIES - 2) + 2;
hurt2 = rnd(NUMOFINJURIES - 2) + 2;
injuries[hurt1] = 1;
injuries[hurt2] = 1;
injuries[0] = 1; /* abrasions */
injuries[1] = 1; /* lacerations */
printf("I'm afraid you have suffered %s and %s.\n",ouch[hurt1],ouch[hurt2]);
}
}