2 dnl Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
9 # Test whether 'realloc (0, 0)' is handled like in GNU libc, and replace
10 # realloc if it is not.
11 AC_DEFUN([gl_FUNC_REALLOC_GNU],
13 AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
14 dnl _AC_FUNC_REALLOC_IF is defined in Autoconf.
16 [AC_DEFINE([HAVE_REALLOC_GNU], [1],
17 [Define to 1 if your system has a GNU libc compatible 'realloc'
18 function, and to 0 otherwise.])],
19 [AC_DEFINE([HAVE_REALLOC_GNU], [0])
22 ])# gl_FUNC_REALLOC_GNU
24 # gl_FUNC_REALLOC_POSIX
25 # ---------------------
26 # Test whether 'realloc' is POSIX compliant (sets errno to ENOMEM when it
27 # fails), and replace realloc if it is not.
28 AC_DEFUN([gl_FUNC_REALLOC_POSIX],
30 AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
31 AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
32 if test $gl_cv_func_malloc_posix = yes; then
33 AC_DEFINE([HAVE_REALLOC_POSIX], [1],
34 [Define if the 'realloc' function is POSIX compliant.])
40 AC_DEFUN([gl_REPLACE_REALLOC],