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advint.c
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advint.c
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/* advint.c - an interpreter for adventure games */
/*
Copyright (c) 1993, by David Michael Betz
All rights reserved
*/
#include <setjmp.h>
#include <stdlib.h>
#include <stdarg.h>
#include "advint.h"
#include "advdbs.h"
/* global variables */
jmp_buf restart;
/* external variables */
extern int h_main;
/* prototypes */
int main(int argc,char *argv[]);
/* main - the main routine */
int main(int argc,char *argv[])
{
char *fname,*lname;
int rows,cols,i;
printf("ADVINT v1.3 - Copyright (c) 1986, by David Betz\n");
fname = NULL;
lname = NULL;
rows = 24;
cols = 80;
/* parse the command line */
for (i = 1; i < argc; i++)
if (argv[i][0] == '-')
switch (argv[i][1]) {
case 'r':
case 'R':
rows = atoi(&argv[i][2]);
break;
case 'c':
case 'C':
cols = atoi(&argv[i][2]);
break;
case 'l':
case 'L':
lname = &argv[i][2];
break;
}
else
fname = argv[i];
if (fname == NULL) {
printf("usage: advint [-r<rows>] [-c<columns>] [-l<log-file>] <file>\n");
exit(1);
}
/* initialize terminal i/o */
trm_init(rows,cols,lname);
/* initialize the database */
db_init(fname);
/* come here on restart */
setjmp(restart);
/* play the game */
execute(h_main);
/* finish with the terminal */
trm_done();
/* return successfully */
return 0;
}
/* error - print an error message and exit */
void error(char *msg,...)
{
char buf[100];
va_list ap;
va_start(ap,msg);
vsprintf(buf,msg,ap);
trm_str(buf);
trm_chr('\n');
exit(0);
}