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/* $NetBSD: setup.c,v 1.23 2021/05/02 12:50:46 rillig Exp $ */
/*
* setup.c - set up all files for Phantasia
* n.b.: this is used at build-time - i.e. during build.sh.
*/
#ifdef __NetBSD__
#include <sys/cdefs.h>
#endif
#include <sys/stat.h>
#include <fcntl.h>
#include <setjmp.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#ifndef __dead /* Not NetBSD */
#define __dead
#endif
#include "phantdefs.h"
#include "phantstruct.h"
#include "phantglobs.h"
#include "pathnames.h"
int main(int, char *[]);
void Error(const char *, const char *) __dead;
double drandom(void);
/* */
/************************************************************************
/
/ FUNCTION NAME: main()
/
/ FUNCTION: setup files for Phantasia 3.3.2
/
/ AUTHOR: E. A. Estes, 12/4/85
/
/ ARGUMENTS: none
/
/ RETURN VALUE: none
/
/ MODULES CALLED: time(), exit(), stat(), Error(), creat(), close(), fopen(),
/ fgets(), floor(), srandom(), umask(), drandom(), strcpy(), getuid(),
/ unlink(), fwrite(), fclose(), sscanf(), printf(), strlen(), fprintf()
/
/ GLOBAL INPUTS: Curmonster, _iob[], Databuf[], *Monstfp, Enrgyvoid
/
/ GLOBAL OUTPUTS: Curmonster, Databuf[], *Monstfp, Enrgyvoid
/
/ DESCRIPTION:
/
/ This program tries to verify the parameters specified in
/ the Makefile.
/
/ Create all necessary files. Note that nothing needs to be
/ put in these files.
/ Also, the monster binary data base is created here.
/
/ ************************************************************************/
static const char *const files[] = { /* all files to create */
_PATH_MONST,
_PATH_PEOPLE,
_PATH_MESS,
_PATH_LASTDEAD,
_PATH_MOTD,
_PATH_GOLD,
_PATH_VOID,
_PATH_SCORE,
NULL,
};
const char *monsterfile = "monsters.asc";
int
main(int argc, char *argv[])
{
const char *const *filename; /* for pointing to file names */
int fd; /* file descriptor */
FILE *fp; /* for opening files */
struct stat fbuf; /* for getting files statistics */
int ch;
char *path;
while ((ch = getopt(argc, argv, "m:")) != -1)
switch(ch) {
case 'm':
monsterfile = optarg;
break;
case '?':
default:
break;
}
argc -= optind;
argv += optind;
srandom((unsigned) time(NULL)); /* prime random numbers */
umask(0117); /* only owner can read/write created files */
/* try to create data files */
filename = &files[0];
while (*filename != NULL)
/* create each file */
{
path = strrchr(*filename, '/') + 1;
if (stat(path, &fbuf) == 0)
/* file exists; remove it */
{
if (unlink(path) < 0)
Error("Cannot unlink %s.\n", path);
/*NOTREACHED*/
}
if ((fd = creat(path, 0660)) < 0)
Error("Cannot create %s.\n", path);
/*NOTREACHED*/
close(fd); /* close newly created file */
++filename; /* process next file */
}
/* Initialize an empty file placeholder for the grail location. */
if ((fp = fopen(path, "w")) == NULL)
Error("Cannot create %s.\n", path);
fclose(fp);
/* create binary monster data base */
path = strrchr(_PATH_MONST, '/') + 1;
if ((Monstfp = fopen(path, "w")) == NULL)
Error("Cannot update %s.\n", path);
else
{
if ((fp = fopen(monsterfile, "r")) == NULL)
{
fclose(Monstfp);
Error("cannot open %s to create monster database.\n", "monsters.asc");
}
else
{
Curmonster.m_o_strength =
Curmonster.m_o_speed =
Curmonster.m_maxspeed =
Curmonster.m_o_energy =
Curmonster.m_melee =
Curmonster.m_skirmish = 0.0;
while (fgets(Databuf, SZ_DATABUF, fp) != NULL)
/* read in text file, convert to binary */
{
sscanf(&Databuf[24], "%lf%lf%lf%lf%lf%d%d%lf",
&Curmonster.m_strength, &Curmonster.m_brains,
&Curmonster.m_speed, &Curmonster.m_energy,
&Curmonster.m_experience, &Curmonster.m_treasuretype,
&Curmonster.m_type, &Curmonster.m_flock);
Databuf[24] = '\0';
strcpy(Curmonster.m_name, Databuf);
fwrite((char *) &Curmonster, SZ_MONSTERSTRUCT, 1, Monstfp);
}
fclose(fp);
fflush(Monstfp);
if (ferror(Monstfp))
Error("Writing %s.\n", path);
fclose(Monstfp);
}
}
#ifdef MAKE_INSTALLS_THIS_AND_DOESNT_WANT_TO_HEAR_ABOUT_IT
/* write to motd file */
printf("One line 'motd' ? ");
if (fgets(Databuf, SZ_DATABUF, stdin) == NULL)
Databuf[0] = '\0';
path = strrchr(_PATH_MOTD, '/') + 1;
if ((fp = fopen(path, "w")) == NULL)
Error("Cannot update %s.\n", path);
else
{
fwrite(Databuf, sizeof(char), strlen(Databuf), fp);
fclose(fp);
}
/* report compile-time options */
printf("Compiled options:\n\n");
printf("Phantasia destination directory: %s\n", _PATH_PHANTDIR);
printf("Wizard: root UID: 0\n");
#ifdef BSD41
printf("Compiled for BSD 4.1\n");
#endif
#ifdef BSD42
printf("Compiled for BSD 4.2\n");
#endif
#ifdef SYS3
printf("Compiled for System III\n");
#endif
#ifdef SYS5
printf("Compiled for System V\n");
#endif
#endif
exit(0);
/*NOTREACHED*/
}
/* */
/************************************************************************
/
/ FUNCTION NAME: Error()
/
/ FUNCTION: print an error message, and exit
/
/ AUTHOR: E. A. Estes, 12/4/85
/
/ ARGUMENTS:
/ char *str - format string for printf()
/ char *file - file which caused error
/
/ RETURN VALUE: none
/
/ MODULES CALLED: exit(), perror(), fprintf()
/
/ GLOBAL INPUTS: _iob[]
/
/ GLOBAL OUTPUTS: none
/
/ DESCRIPTION:
/ Print an error message, then exit.
/
/ ************************************************************************/
void
Error(const char *str, const char *file)
{
fprintf(stderr, "Error: ");
fprintf(stderr, str, file);
perror(file);
exit(1);
/*NOTREACHED*/
}
/* */
/************************************************************************
/
/ FUNCTION NAME: drandom()
/
/ FUNCTION: return a random number
/
/ AUTHOR: E. A. Estes, 2/7/86
/
/ ARGUMENTS: none
/
/ RETURN VALUE: none
/
/ MODULES CALLED: random()
/
/ GLOBAL INPUTS: none
/
/ GLOBAL OUTPUTS: none
/
/ DESCRIPTION:
/
/ ************************************************************************/
double
drandom(void)
{
if (sizeof(int) != 2)
return((double) (random() & 0x7fff) / 32768.0);
else
return((double) random() / 32768.0);
}
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