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Interlisp.maiko/src/setsout.c
2021-01-03 18:30:04 +00:00

108 lines
2.6 KiB
C

/* $Id: setsout.c,v 1.3 1999/05/31 23:35:41 sybalsky Exp $ (C) Copyright Venue, All Rights Reserved
*/
/************************************************************************/
/* */
/* (C) Copyright 1989-95 Venue. All Rights Reserved. */
/* Manufactured in the United States of America. */
/* */
/************************************************************************/
#include "version.h"
/*
* setsout.c
*/
/************************************************************************/
/* */
/* S E T S Y S O U T */
/* */
/* */
/************************************************************************/
#include <stdio.h>
#include <unistd.h>
#include <sys/file.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include "adr68k.h"
#include "lispemul.h"
#include "lsptypes.h"
#include "lispmap.h"
#include "lspglob.h"
#include "ifpage.h"
#include "dbprint.h"
#include "byteswapdefs.h"
#define IFPAGE_ADDRESS 512
#define MBYTE 0x100000 /* 1 Mbyte */
void set_sysout(int version, char *sysout_file_name);
void set_sysout(int version, char *sysout_file_name) {
int sysout; /* SysoutFile descriptor */
IFPAGE ifpage; /* IFPAGE */
char errmsg[255];
/*
* first read the IFPAGE(InterfacePage)
*/
/* open SysoutFile */
sysout = open(sysout_file_name, O_RDWR, NULL);
if (sysout == -1) {
sprintf(errmsg, "sysout_loader: can't open sysout file: %s", sysout_file_name);
perror(errmsg);
exit(-1);
}
/* seek to IFPAGE */
if (lseek(sysout, IFPAGE_ADDRESS, SEEK_SET) == -1) {
perror("sysout_loader: can't seek to IFPAGE");
exit(-1);
}
/* reads IFPAGE into scratch_page */
if (read(sysout, &ifpage, sizeof(IFPAGE)) == -1) {
perror("sysout_loader: can't read IFPAGE");
exit(-1);
}
#ifdef BYTESWAP
word_swap_page((unsigned short *)&ifpage, (3 + sizeof(IFPAGE)) / 4);
#endif
ifpage.lversion = version;
ifpage.minbversion = version;
/* seek to IFPAGE */
if (lseek(sysout, IFPAGE_ADDRESS, SEEK_SET) == -1) {
perror("sysout_loader: can't seek to IFPAGE");
exit(-1);
}
/* reads IFPAGE into scratch_page */
if (write(sysout, &ifpage, sizeof(IFPAGE)) == -1) {
perror("Can't write IFPAGE");
exit(-1);
}
close(sysout);
printf("%d", ifpage.minbversion);
}
int main(int argc, char **argv) {
int version;
if (argc < 3) {
printf("setsysout version sysout-name\n");
return (-1);
}
if ((version = atoi(argv[1])) == 0) {
printf("version must be an integer > 0.\n");
return (-1);
}
set_sysout(version, argv[2]);
exit(0);
}