1 files changed, 0 insertions, 92 deletions
diff --git a/tests/dup.c b/tests/dup.c
deleted file mode 100644
index db268036..00000000
--- a/tests/dup.c
+++ /dev/null
@@ -1,92 +0,0 @@
-/* Duplicate an open file descriptor.
-
-   Copyright (C) 2011-2024 Free Software Foundation, Inc.
-
-   This file is free software: you can redistribute it and/or modify
-   it under the terms of the GNU Lesser General Public License as
-   published by the Free Software Foundation; either version 2.1 of the
-   License, or (at your option) any later version.
-
-   This file 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 Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public License
-   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
-
-#include <config.h>
-
-/* Specification.  */
-#include <unistd.h>
-
-#include <errno.h>
-
-#if HAVE_MSVC_INVALID_PARAMETER_HANDLER
-# include "msvc-inval.h"
-#endif
-
-#undef dup
-
-#if defined _WIN32 && !defined __CYGWIN__
-# if HAVE_MSVC_INVALID_PARAMETER_HANDLER
-static int
-dup_nothrow (int fd)
-{
-  int result;
-
-  TRY_MSVC_INVAL
-    {
-      result = _dup (fd);
-    }
-  CATCH_MSVC_INVAL
-    {
-      result = -1;
-      errno = EBADF;
-    }
-  DONE_MSVC_INVAL;
-
-  return result;
-}
-# else
-#  define dup_nothrow _dup
-# endif
-#elif defined __KLIBC__
-# include <fcntl.h>
-# include <sys/stat.h>
-
-# include <InnoTekLIBC/backend.h>
-
-static int
-dup_nothrow (int fd)
-{
-  int dupfd;
-  struct stat sbuf;
-
-  dupfd = dup (fd);
-  if (dupfd == -1 && errno == ENOTSUP \
-      && !fstat (fd, &sbuf) && S_ISDIR (sbuf.st_mode))
-    {
-      char path[_MAX_PATH];
-
-      /* Get a path from fd */
-      if (!__libc_Back_ioFHToPath (fd, path, sizeof (path)))
-        dupfd = open (path, O_RDONLY);
-    }
-
-  return dupfd;
-}
-#else
-# define dup_nothrow dup
-#endif
-
-int
-rpl_dup (int fd)
-{
-  int result = dup_nothrow (fd);
-#if REPLACE_FCHDIR
-  if (result >= 0)
-    result = _gl_register_dup (fd, result);
-#endif
-  return result;
-}