1# realloc.m4 serial 9
2dnl Copyright (C) 2007, 2009 Free Software Foundation, Inc.
3dnl This file is free software; the Free Software Foundation
4dnl gives unlimited permission to copy and/or distribute it,
5dnl with or without modifications, as long as this notice is preserved.
6
7# gl_FUNC_REALLOC_POSIX
8# ---------------------
9# Test whether 'realloc' is POSIX compliant (sets errno to ENOMEM when it
10# fails), and replace realloc if it is not.
11AC_DEFUN([gl_FUNC_REALLOC_POSIX],
12[
13  AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
14  if test $gl_cv_func_malloc_posix = yes; then
15    HAVE_REALLOC_POSIX=1
16    AC_DEFINE([HAVE_REALLOC_POSIX], [1],
17      [Define if the 'realloc' function is POSIX compliant.])
18  else
19    AC_LIBOBJ([realloc])
20    HAVE_REALLOC_POSIX=0
21  fi
22  AC_SUBST([HAVE_REALLOC_POSIX])
23])
24