iblocks.c revision 3e14f97f673e8a630f076077de35afdd43dc1587
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin/***********************************************************************
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* This software is part of the ast package *
3e14f97f673e8a630f076077de35afdd43dc1587Roger A. Faulkner* Copyright (c) 1985-2010 AT&T Intellectual Property *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* and is licensed under the *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Common Public License, Version 1.0 *
7c2fbfb345896881c631598ee3852ce9ce33fb07April Chin* by AT&T Intellectual Property *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* A copy of the License is available at *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Information and Software Systems Research *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* AT&T Research *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Florham Park NJ *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Glenn Fowler <gsf@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* David Korn <dgk@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin* Phong Vo <kpv@research.att.com> *
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin***********************************************************************/
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * aux function for <ls.h> iblocks() macro
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * return number of blocks, including indirect block count
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * given stat info
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * mail gsf@research.att.com when you figure out the stat.st_blocks units
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin * until then we assume LS_BLOCKSIZE (512)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin return (st->st_blocks <= 0 || st->st_size <= 0) ? 0 : st->st_blocks;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin unsigned long b;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin unsigned long t;
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin if ((b -= B_DIRECT) > 0)
da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin if ((b -= B_INDIRECT) > 0)