libc/stdio/remove.c

   1 /* Copyright (C) 2004       Manuel Novoa III    <mjn3@codepoet.org>
   2  *
   3  * GNU Library General Public License (LGPL) version 2 or later.
   4  *
   5  * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
   6  */
   7
   8 #include "_stdio.h"
   9
  10 #include <unistd.h>
  11 #include <errno.h>
  12
  13 /* SUSv3 states:
  14  *   If path does not name a directory, remove(path) shall be equivalent
  15  *   to unlink(path).  If path names a directory, remove(path) shall be
  16  *   equivalent to rmdir(path).
  17  */
  18
  19 int remove(register const char *filename)
  20 {
  21         int saved_errno = errno;
  22         int rv;
  23
  24         rv = rmdir(filename);
  25         if ((rv < 0) && (errno == ENOTDIR)) {
  26                 __set_errno(saved_errno); /* Need to restore errno. */
  27                 rv = unlink(filename);
  28         }
  29         return rv;
  30 }
  31 libc_hidden_def(remove)