HardenedBSD/gnu/usr.sbin/isdn/nsplit/nsplit.c
1995-02-15 00:46:26 +00:00

103 lines
2.0 KiB
C

static char rcsid[] = "@(#)$Id: nsplit.c,v 1.1 1995/01/25 14:06:18 jkr Exp jkr $";
/*******************************************************************************
* II - Version 0.1 $Revision: 1.1 $ $State: Exp $
*
* Copyright 1994 Dietmar Friede
*******************************************************************************
* Bug reports, patches, comments, suggestions should be sent to:
*
* jkr@saarlink.de or jkrause@guug.de
*
*******************************************************************************
* $Log: nsplit.c,v $
*
******************************************************************************/
#include <sys/types.h>
#undef BSD
#include <sys/param.h>
#include <machine/endian.h>
#include <stdio.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/file.h>
#include <time.h>
#include "../../../../sys/gnu/i386/isa/niccyreg.h"
struct head head;
void
main(int argc, char **argv)
{
FILE *f;
int n;
argv++;
if (!*argv)
{
process(stdin);
} else
while (*argv)
{
if ((f = fopen(*argv, "r")) == NULL)
{
perror(*argv);
exit(1);
} else
{
process(f);
fclose(f);
}
argv++;
}
exit(0);
}
process(FILE * f)
{
long off = 0;
long size, rest;
int len;
char buf[1024];
int ex;
int no = 0;
char nbuf[16];
FILE *fout;
while ((len = fread(buf, 1, 1024, f)) >= 0x16)
{
head = *(struct head *) buf;
size = rest = ntohl(head.len);
ex = len == rest;
sprintf(nbuf, "o%.2d", no);
if ((fout = fopen(nbuf, "w")) == NULL)
{
perror(nbuf);
exit(1);
} else
printf("%d\t %x %.8s %.5s %x\n",
rest, head.sig, head.nam, head.ver, head.typ);
do
{
fwrite(buf, 1, MIN(len, rest), fout);
rest -= MIN(len, rest);
if (rest > 0)
len = fread(buf, 1, MIN(rest, 1024), f);
}
while (rest > 0);
if (ex)
break;
no++;
off += size;
if ((size < 1024) && (size > 0x16))
fseek(f, off, SEEK_SET);
}
printf("done\n");
}