coreutils/lib/isdir.c

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/* isdir.c -- determine whether a directory exists
Copyright (C) 1990, 1998 Free Software Foundation, Inc.
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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.
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
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along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#if HAVE_CONFIG_H
# include <config.h>
#endif
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#include <sys/types.h>
#include <sys/stat.h>
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#if STAT_MACROS_BROKEN
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# undef S_ISDIR
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#endif
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#if !defined S_ISDIR && defined S_IFDIR
# define S_ISDIR(Mode) (((Mode) & S_IFMT) == S_IFDIR)
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#endif
/* If PATH is an existing directory or symbolic link to a directory,
return nonzero, else 0. */
int
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isdir (const char *path)
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{
struct stat stats;
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return stat (path, &stats) == 0 && S_ISDIR (stats.st_mode);
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}