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annotate lib/isdir.c @ 297:28d847a96824

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author Jim Meyering <jim@meyering.net>
date Sat, 27 Aug 1994 21:23:07 +0000
parents 349cc607da80
children e42fe3ec73f5
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1 /* isdir.c -- determine whether a directory exists
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2 Copyright (C) 1990 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software
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16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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17
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18 #ifdef HAVE_CONFIG_H
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19 #if defined (CONFIG_BROKETS)
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20 /* We use <config.h> instead of "config.h" so that a compilation
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21 using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
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22 (which it would do because it found this file in $srcdir). */
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23 #include <config.h>
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24 #else
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25 #include "config.h"
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26 #endif
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27 #endif
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28
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29 #include <sys/types.h>
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30 #include <sys/stat.h>
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31
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32 #include "safe-stat.h"
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33
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34 #ifdef STAT_MACROS_BROKEN
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35 #undef S_ISDIR
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36 #endif /* STAT_MACROS_BROKEN. */
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37
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38 #if !defined(S_ISDIR) && defined(S_IFDIR)
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39 #define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
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40 #endif
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41
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42 /* If PATH is an existing directory or symbolic link to a directory,
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43 return nonzero, else 0. */
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44
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45 int
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46 isdir (path)
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47 char *path;
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48 {
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49 struct stat stats;
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50
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51 return SAFE_STAT (path, &stats) == 0 && S_ISDIR (stats.st_mode);
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52 }