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3ef2f939f7
* gl/modules/root-dev-ino: New file. * lib/root-dev-ino.c, lib/root-dev-ino.h: Move these files ... * gl/lib/root-dev-ino.c, gl/lib/root-dev-ino.h: ... to here. * m4/root-dev-ino.m4: Move this file ... * gl/m4/root-dev-ino.m4: ... to here. * bootstrap.conf (gnulib_modules): Add root-dev-ino.
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* root-dev-ino.c -- get the device and inode numbers for `/'.
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Copyright (C) 2003, 2005, 2006 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Written by Jim Meyering. */
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#include <config.h>
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#include "root-dev-ino.h"
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#include <stdlib.h>
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/* Call lstat to get the device and inode numbers for `/'.
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Upon failure, return NULL. Otherwise, set the members of
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*ROOT_D_I accordingly and return ROOT_D_I. */
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struct dev_ino *
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get_root_dev_ino (struct dev_ino *root_d_i)
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{
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struct stat statbuf;
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if (lstat ("/", &statbuf))
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return NULL;
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root_d_i->st_ino = statbuf.st_ino;
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root_d_i->st_dev = statbuf.st_dev;
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return root_d_i;
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}
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