add sanity checks for old file systems

[unix-history] / usr / src / old / boggle / comp.c

/*
* Copyright (c) 1980 Regents of the University of California.
* All rights reserved.  The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*/

#ifndef lint
char copyright[] =
"@(#) Copyright (c) 1980 Regents of the University of California.\n\
All rights reserved.\n";
#endif not lint

#ifndef lint
static char sccsid[] = "@(#)comp.c      5.1 (Berkeley) %G%";
#endif not lint

#include <stdio.h>
#define MAX ' '

char new[MAX], old[MAX];

main ()
{
       register int i, j;
       old[0] = '\0';
       while (fgets(&new[0], MAX, stdin) != NULL) {
               for (i=0; i<MAX && old[i]==new[i]; i++);
               if (i >= MAX) {
                       fprintf(stderr, "long word\n");
                       exit(1);
               }
               putc(i, stdout);
               for (j=0; (old[j]=new[j]) != '\n'; j++);
               old[j] = '\0';
               fputs(&old[i], stdout);
       }
}