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.
*
* 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;
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struct stat astatBuf;
if (statBuf == NULL) {
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/* 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;
}