busybox/libbb/isdirectory.c

/* 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.
 *
 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 */

#include <sys/stat.h>
#include "libbb.h"

/*
 * Return TRUE if a fileName is a directory.
 * Nonexistent files return FALSE.
 */
int is_directory(const char *fileName, const int followLinks, struct stat *statBuf)
{
	int status;
	struct stat astatBuf;

	if (statBuf == NULL) {
	    /* set from auto stack buffer */
	    statBuf = &astatBuf;
	}

	if (followLinks)
		status = stat(fileName, statBuf);
	else
		status = lstat(fileName, statBuf);

	if (status < 0 || !(S_ISDIR(statBuf->st_mode))) {
	    status = FALSE;
	}
	else status = TRUE;

	return status;
}
1	/* vi: set sw=4 ts=4: */
2	/*
3	* Utility routines.
4	*
5	* Based in part on code from sash, Copyright (c) 1999 by David I. Bell
6	* Permission has been granted to redistribute this code under the GPL.
7	*
8	* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
9	*/
10
11	#include <sys/stat.h>
12	#include "libbb.h"
13
14	/*
15	* Return TRUE if a fileName is a directory.
16	* Nonexistent files return FALSE.
17	*/
18	int is_directory(const char fileName, const int followLinks, struct stat statBuf)
19	{
20	int status;
21	struct stat astatBuf;
22
23	if (statBuf == NULL) {
24	/* set from auto stack buffer */
25	statBuf = &astatBuf;
26	}
27
28	if (followLinks)
29	status = stat(fileName, statBuf);
30	else
31	status = lstat(fileName, statBuf);
32
33	if (status < 0 \|\| !(S_ISDIR(statBuf->st_mode))) {
34	status = FALSE;
35	}
36	else status = TRUE;
37
38	return status;
39	}