3 # See if we need to emulate a missing ftruncate function using chsize.
5 # Copyright (C) 2000-2001, 2003-2007, 2009-2012 Free Software Foundation, Inc.
6 # This file is free software; the Free Software Foundation
7 # gives unlimited permission to copy and/or distribute it,
8 # with or without modifications, as long as this notice is preserved.
10 AC_DEFUN([gl_FUNC_FTRUNCATE],
12 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
13 AC_CHECK_FUNCS_ONCE([ftruncate])
14 if test $ac_cv_func_ftruncate = no; then
19 # Prerequisites of lib/ftruncate.c.
20 AC_DEFUN([gl_PREREQ_FTRUNCATE],
22 AC_REQUIRE([AC_C_INLINE])
23 AC_CHECK_FUNCS([chsize])