1 files changed, 0 insertions, 68 deletions
diff --git a/gl/tests/zerosize-ptr.h b/gl/tests/zerosize-ptr.h
deleted file mode 100644
index e6ff672b64..0000000000
--- a/gl/tests/zerosize-ptr.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/* Return a pointer to a zero-size object in memory.
-   Copyright (C) 2009-2016 Free Software Foundation, Inc.
-
-   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 3 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, see <http://www.gnu.org/licenses/>.  */
-
-/* ISO C 99 does not allow memcmp(), memchr() etc. to be invoked with a NULL
-   argument.  Therefore this file produces a non-NULL pointer which cannot
-   be dereferenced, if possible.  */
-
-#include <stdlib.h>
-
-/* Test whether mmap() and mprotect() are available.
-   We don't use HAVE_MMAP, because AC_FUNC_MMAP would not define it on HP-UX.
-   HAVE_MPROTECT is not enough, because mingw does not have mmap() but has an
-   mprotect() function in libgcc.a.  */
-#if HAVE_SYS_MMAN_H && HAVE_MPROTECT
-# include <fcntl.h>
-# include <unistd.h>
-# include <sys/types.h>
-# include <sys/mman.h>
-/* Define MAP_FILE when it isn't otherwise.  */
-# ifndef MAP_FILE
-#  define MAP_FILE 0
-# endif
-#endif
-
-/* Return a pointer to a zero-size object in memory (that is, actually, a
-   pointer to a page boundary where the previous page is readable and writable
-   and the next page is neither readable not writable), if possible.
-   Return NULL otherwise.  */
-
-static void *
-zerosize_ptr (void)
-{
-/* Use mmap and mprotect when they exist.  Don't test HAVE_MMAP, because it is
-   not defined on HP-UX 11 (since it does not support MAP_FIXED).  */
-#if HAVE_SYS_MMAN_H && HAVE_MPROTECT
-# if HAVE_MAP_ANONYMOUS
-  const int flags = MAP_ANONYMOUS | MAP_PRIVATE;
-  const int fd = -1;
-# else /* !HAVE_MAP_ANONYMOUS */
-  const int flags = MAP_FILE | MAP_PRIVATE;
-  int fd = open ("/dev/zero", O_RDONLY, 0666);
-  if (fd >= 0)
-# endif
-    {
-      int pagesize = getpagesize ();
-      char *two_pages =
-        (char *) mmap (NULL, 2 * pagesize, PROT_READ | PROT_WRITE,
-                       flags, fd, 0);
-      if (two_pages != (char *)(-1)
-          && mprotect (two_pages + pagesize, pagesize, PROT_NONE) == 0)
-        return two_pages + pagesize;
-    }
-#endif
-  return NULL;
-}