X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffileblocks.c;h=1a44516f3d0fb2a61af0bab5be00f22a6ae378df;hb=5ed8adaa2f8846c60d76716d540d935414a563f1;hp=ee82f7596eb332950cb4a39e292fe6542d67ab72;hpb=c70c08f944b5339f99720b830bbd98d0817265dc;p=gnulib.git diff --git a/lib/fileblocks.c b/lib/fileblocks.c index ee82f7596..1a44516f3 100644 --- a/lib/fileblocks.c +++ b/lib/fileblocks.c @@ -1,5 +1,5 @@ /* Convert file size to number of blocks on System V-like machines. - Copyright (C) 1990 Free Software Foundation, Inc. + Copyright (C) 1990, 1997, 1998 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 @@ -12,48 +12,48 @@ 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. */ + along with this program; if not, write to the Free Software Foundation, + Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* Written by Brian L. Matthews, blm@6sceng.UUCP. */ -#ifdef HAVE_CONFIG_H -#if defined (CONFIG_BROKETS) -/* We use instead of "config.h" so that a compilation - using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h - (which it would do because it found this file in $srcdir). */ -#include -#else -#include "config.h" -#endif +#if HAVE_CONFIG_H +# include #endif -#if !defined (HAVE_ST_BLOCKS) && !defined(_POSIX_SOURCE) #include -#include -#ifndef NINDIR -/* Some SysV's, like Irix, seem to lack these. Hope they're correct. */ -/* Size of a indirect block, in bytes. */ -#ifndef BSIZE -#define BSIZE 1024 +#if HAVE_SYS_PARAM_H +# include #endif +#if !HAVE_ST_BLOCKS && !defined _POSIX_SOURCE && defined BSIZE + +# if HAVE_UNISTD_H +# include +# endif + +# ifndef NINDIR + +# if defined (__DJGPP__) +typedef long daddr_t; /* for disk address */ +# endif + +/* Some SysV's, like Irix, seem to lack this. Hope it's correct. */ /* Number of inode pointers per indirect block. */ -#define NINDIR (BSIZE/sizeof(daddr_t)) -#endif /* !NINDIR */ +# define NINDIR (BSIZE / sizeof (daddr_t)) +# endif /* !NINDIR */ /* Number of direct block addresses in an inode. */ -#define NDIR 10 +# define NDIR 10 /* Return the number of 512-byte blocks in a file of SIZE bytes. */ -long -st_blocks (size) - long size; +off_t +st_blocks (off_t size) { - long datablks = (size + 512 - 1) / 512; - long indrblks = 0; + off_t datablks = size / 512 + (size % 512 != 0); + off_t indrblks = 0; if (datablks > NDIR) { @@ -70,4 +70,8 @@ st_blocks (size) return datablks + indrblks; } +#else +/* This declaration is solely to ensure that after preprocessing + this file is never empty. */ +extern int textutils_fileblocks_unused; #endif