hush/libbb/isdirectory.c

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/* vi: set sw=4 ts=4: */
/*
* Utility routines.
*
* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
* Permission has been granted to redistribute this code under the GPL.
*
* 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 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
* 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
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "libbb.h"
/*
* Return TRUE if a fileName is a directory.
* Nonexistant files return FALSE.
*/
int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
{
int status;
int didMalloc = 0;
if (statBuf == NULL) {
statBuf = (struct stat *)xmalloc(sizeof(struct stat));
++didMalloc;
}
if (followLinks == TRUE)
status = stat(fileName, statBuf);
else
status = lstat(fileName, statBuf);
if (status < 0 || !(S_ISDIR(statBuf->st_mode))) {
status = FALSE;
}
else status = TRUE;
if (didMalloc) {
free(statBuf);
statBuf = NULL;
}
return status;
}
/* END CODE */
/*
Local Variables:
c-file-style: "linux"
c-basic-offset: 4
tab-width: 4
End:
*/