libbb/isdirectory.c

   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 GPL.
   7  *
   8  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
   9  */
  10 #include "libbb.h"
  11
  12 /*
  13  * Return TRUE if fileName is a directory.
  14  * Nonexistent files return FALSE.
  15  */
  16 int FAST_FUNC is_directory(const char *fileName, int followLinks)
  17 {
  18         int status;
  19         struct stat statBuf;
  20
  21         if (followLinks)
  22                 status = stat(fileName, &statBuf);
  23         else
  24                 status = lstat(fileName, &statBuf);
  25
  26         status = (status == 0 && S_ISDIR(statBuf.st_mode));
  27
  28         return status;
  29 }