home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Der Mediaplex Sampler - Die 6 von Plex
/
6_v_plex.zip
/
6_v_plex
/
DISK5
/
DOS_22
/
FUTI14AS.ZIP
/
FILEBLOC.C
< prev
next >
Wrap
C/C++ Source or Header
|
1990-06-07
|
2KB
|
52 lines
/* Convert file size to number of blocks on System V-like machines.
Copyright (C) 1990 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 1, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Written by Brian L. Matthews, blm@6sceng.UUCP. */
#if defined (STBLOCKS_MISSING) && !defined(_POSIX_SOURCE)
#include <sys/types.h>
#include <sys/param.h>
/* Number of direct block addresses in an inode. */
#define NDIR 10
/* Return the number of blocks in a file of SIZE bytes. */
long
st_blocks (size)
long size;
{
long datablks = (size + BSIZE - 1) / BSIZE;
long indrblks = 0;
if (datablks > NDIR)
{
indrblks = (datablks - NDIR - 1) / NINDIR + 1;
if (datablks > NDIR + NINDIR)
{
indrblks += (datablks - NDIR - NINDIR - 1) / (NINDIR * NINDIR) + 1;
if (datablks > NDIR + NINDIR + NINDIR * NINDIR)
indrblks++;
}
}
return datablks + indrblks;
}
#endif