X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Ffileblocks.c;h=993ec970a276326987d648e790d45317590386bd;hb=2726ca8984e8d2d8edf288b4d1d7007bfca0d82e;hp=6a421cf51a2d4c6cd932b8a3d7f7e06caf8b6262;hpb=1cc4ba44c23782d32d4d2986b355e336f5e21335;p=gnulib.git diff --git a/lib/fileblocks.c b/lib/fileblocks.c index 6a421cf51..993ec970a 100644 --- a/lib/fileblocks.c +++ b/lib/fileblocks.c @@ -1,10 +1,12 @@ /* Convert file size to number of blocks on System V-like machines. - Copyright (C) 1990, 1997 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify + Copyright (C) 1990, 1997-1999, 2004-2006, 2009-2011 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 2, or (at your option) - any later version. + the Free Software Foundation; either version 3 of the License, 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 @@ -12,37 +14,40 @@ 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ /* Written by Brian L. Matthews, blm@6sceng.UUCP. */ - -#ifdef HAVE_CONFIG_H -# include -#endif -#if !HAVE_ST_BLOCKS && !defined _POSIX_SOURCE && defined BSIZE -# include +#include + +#include + +#if HAVE_SYS_PARAM_H # include +#endif + +#if !HAVE_STRUCT_STAT_ST_BLOCKS && !defined _POSIX_SOURCE && defined BSIZE -# if HAVE_UNISTD_H -# include -# endif +# include # 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)) +# 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. */ off_t -st_blocks (size) - off_t size; +st_blocks (off_t size) { off_t datablks = size / 512 + (size % 512 != 0); off_t indrblks = 0; @@ -52,12 +57,12 @@ st_blocks (size) indrblks = (datablks - NDIR - 1) / NINDIR + 1; if (datablks > NDIR + NINDIR) - { - indrblks += (datablks - NDIR - NINDIR - 1) / (NINDIR * NINDIR) + 1; + { + indrblks += (datablks - NDIR - NINDIR - 1) / (NINDIR * NINDIR) + 1; - if (datablks > NDIR + NINDIR + NINDIR * NINDIR) - indrblks++; - } + if (datablks > NDIR + NINDIR + NINDIR * NINDIR) + indrblks++; + } } return datablks + indrblks; @@ -65,5 +70,5 @@ st_blocks (size) #else /* This declaration is solely to ensure that after preprocessing this file is never empty. */ -extern int textutils_fileblocks_unused; +typedef int textutils_fileblocks_unused; #endif