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/* SCCS Id: @(#)pcunix.c 3.0 89/12/29
/* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */
/* NetHack may be freely redistributed. See license for details. */
/* This file collects some Unix dependencies; pager.c contains some more */
/*
* The time is used for:
* - seed for rand()
* - year on tombstone and yymmdd in record file
* - phase of the moon (various monsters react to NEW_MOON or FULL_MOON)
* - night and midnight (the undead are dangerous at midnight)
* - determination of what files are "very old"
*/
#include "hack.h" /* mainly for index() which depends on BSD */
#ifndef MACOS
#include <sys/types.h>
#include <sys/stat.h>
#endif
#ifdef OVLB
#ifndef MACOS
static struct stat buf;
# ifdef WANT_GETHDATE
static struct stat hbuf;
# endif
#endif
void
setrandom()
{
(void) Srand((int) time ((time_t *) 0));
}
static struct tm *
getlt()
{
time_t date;
(void) time(&date);
return(localtime(&date));
}
int
getyear()
{
return(1900 + getlt()->tm_year);
}
char *
getdate()
{
static char datestr[7];
register struct tm *lt = getlt();
Sprintf(datestr, "%2d%2d%2d",
lt->tm_year, lt->tm_mon + 1, lt->tm_mday);
if(datestr[2] == ' ') datestr[2] = '0';
if(datestr[4] == ' ') datestr[4] = '0';
return(datestr);
}
int
phase_of_the_moon() /* 0-7, with 0: new, 4: full */
{ /* moon period: 29.5306 days */
/* year: 365.2422 days */
register struct tm *lt = getlt();
register int epact, diy, golden;
diy = lt->tm_yday;
golden = (lt->tm_year % 19) + 1;
epact = (11 * golden + 18) % 30;
if ((epact == 25 && golden > 11) || epact == 24)
epact++;
return( (((((diy + epact) * 6) + 11) % 177) / 22) & 7 );
}
int
night()
{
register int hour = getlt()->tm_hour;
return(hour < 6 || hour > 21);
}
int
midnight()
{
return(getlt()->tm_hour == 0);
}
#ifndef MACOS
void
gethdate(name)
char *name;
{
# ifdef WANT_GETHDATE
/* old version - for people short of space */
/*
/* register char *np;
/* if(stat(name, &hbuf))
/* error("Cannot get status of %s.",
/* (np = rindex(name, '/')) ? np+1 : name);
/*
/* version using PATH from: seismo!gregc@ucsf-cgl.ARPA (Greg Couch) */
/*
* The problem with #include <sys/param.h> is that this include file
* does not exist on all systems, and moreover, that it sometimes includes
* <sys/types.h> again, so that the compiler sees these typedefs twice.
*/
#define MAXPATHLEN 1024
register char *np, *path;
char filename[MAXPATHLEN+1], *getenv();
if (index(name, '/') != NULL || (path = getenv("PATH")) == NULL)
path = "";
for (;;) {
if ((np = index(path, ':')) == NULL)
np = path + strlen(path); /* point to end str */
if (np - path <= 1) /* %% */
Strcpy(filename, name);
else {
(void) strncpy(filename, path, np - path);
filename[np - path] = '/';
Strcpy(filename + (np - path) + 1, name);
}
if (stat(filename, &hbuf) == 0)
return;
if (*np == '\0')
path = "";
path = np + 1;
}
error("Cannot get status of %s.", (np = rindex(name, '/')) ? np+1 : name);
# endif /* WANT_GETHDATE */
}
int
uptodate(fd)
int fd;
{
# ifdef WANT_GETHDATE
if(fstat(fd, &buf)) {
pline("Cannot get status of saved level? ");
return(0);
}
if(buf.st_mtime < hbuf.st_mtime) {
pline("Saved level is out of date. ");
return(0);
}
# else
# if defined(MSDOS) && !defined(NO_FSTAT)
if(fstat(fd, &buf)) {
if(moves > 1) pline("Cannot get status of saved level? ");
else pline("Cannot get status of saved game");
return(0);
}
if(comp_times(buf.st_mtime)) {
if(moves > 1) pline("Saved level is out of date");
else pline("Saved game is out of date. ");
return(0);
}
# endif /* MSDOS /* */
# endif /* WANT_GETHDATE */
return(1);
}
#endif /* MACOS /* */
void
regularize(s)
/*
* normalize file name - we don't like .'s, /'s, :'s [Mac], or spaces,
* and in msdos / OS/2 we really get picky
*/
register char *s;
{
register char *lp;
#ifdef MSDOS
for (lp = s; *lp; lp++)
if (*lp <= ' ' || *lp == '"' || (*lp >= '*' && *lp <= ',') ||
*lp == '.' || *lp == '/' || (*lp >= ':' && *lp <= '?') ||
# ifdef OS2
*lp == '&' || *lp == '(' || *lp == ')' ||
# endif
*lp == '|' || *lp >= 127 || (*lp >= '[' && *lp <= ']'))
*lp = '_';
#else
while((lp=index(s, '.')) || (lp=index(s, '/')) || (lp=index(s,' '))
# ifdef MACOS
|| (lp=index(s, ':'))
# endif
) *lp = '_';
#endif
}
#endif /* OVLB */
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.