date and time created 91/05/12 22:30:02 by william

[unix-history] / usr / src / sys / i386 / stand / ls.c

/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* William Jolitz.
*
* %sccs.include.noredist.c%
*
*      @(#)ls.c        7.1 (Berkeley) %G%
*/

#include "../h/param.h"
#include "../h/inode.h"
#include "../h/fs.h"
#undef KERNEL
#include "../h/dir.h"
#include "saio.h"

char line[100];

main()
{
       int i;

       while (1) {
               printf("\nDirectory: ");
               gets(line);
               if ((i = open(line, 0)) < 0)
                       printf("Cant open directory %s\n", line);
               else {
                       ls(i);
                       close(i);
               }
       }
}

ls(io)
register io;
{
       char buf[DIRBLKSIZ];
       register struct direct *dp;
       register off;

       while (read(io, buf, DIRBLKSIZ) > 0) {
               for (off = 0 ; off < DIRBLKSIZ ; off += dp->d_reclen) {
                       dp = (struct direct *)(off + (int) buf);
                       if (dp->d_ino == 0)
                               break;
                       printf("%d\t", dp->d_ino);
                       printf("%s\n", dp->d_name);
               }
       }
}