1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
# realloc.m4 serial 11
dnl Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
# gl_FUNC_REALLOC_GNU
# -------------------
# Test whether 'realloc (0, 0)' is handled like in GNU libc, and replace
# realloc if it is not.
AC_DEFUN([gl_FUNC_REALLOC_GNU],
[
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
dnl _AC_FUNC_REALLOC_IF is defined in Autoconf.
_AC_FUNC_REALLOC_IF(
[AC_DEFINE([HAVE_REALLOC_GNU], [1],
[Define to 1 if your system has a GNU libc compatible 'realloc'
function, and to 0 otherwise.])],
[AC_DEFINE([HAVE_REALLOC_GNU], [0])
gl_REPLACE_REALLOC
])
])# gl_FUNC_REALLOC_GNU
# gl_FUNC_REALLOC_POSIX
# ---------------------
# Test whether 'realloc' is POSIX compliant (sets errno to ENOMEM when it
# fails), and replace realloc if it is not.
AC_DEFUN([gl_FUNC_REALLOC_POSIX],
[
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
AC_REQUIRE([gl_CHECK_MALLOC_POSIX])
if test $gl_cv_func_malloc_posix = yes; then
AC_DEFINE([HAVE_REALLOC_POSIX], [1],
[Define if the 'realloc' function is POSIX compliant.])
else
gl_REPLACE_REALLOC
fi
])
AC_DEFUN([gl_REPLACE_REALLOC],
[
AC_LIBOBJ([realloc])
REPLACE_REALLOC=1
])
|
