xref: /Universal-ctags/m4/eealloc.m4 (revision 820c1a8d46849a90376d8eb15b319ac05439f656)
1*820c1a8dSHiroo HAYASHI# eealloc.m4 serial 3
2*820c1a8dSHiroo HAYASHIdnl Copyright (C) 2003, 2009-2021 Free Software Foundation, Inc.
3*820c1a8dSHiroo HAYASHIdnl This file is free software; the Free Software Foundation
4*820c1a8dSHiroo HAYASHIdnl gives unlimited permission to copy and/or distribute it,
5*820c1a8dSHiroo HAYASHIdnl with or without modifications, as long as this notice is preserved.
6*820c1a8dSHiroo HAYASHI
7*820c1a8dSHiroo HAYASHIAC_DEFUN([gl_EEALLOC],
8*820c1a8dSHiroo HAYASHI[
9*820c1a8dSHiroo HAYASHI  AC_REQUIRE([gl_EEMALLOC])
10*820c1a8dSHiroo HAYASHI  AC_REQUIRE([gl_EEREALLOC])
11*820c1a8dSHiroo HAYASHI])
12*820c1a8dSHiroo HAYASHI
13*820c1a8dSHiroo HAYASHIAC_DEFUN([gl_EEMALLOC],
14*820c1a8dSHiroo HAYASHI[
15*820c1a8dSHiroo HAYASHI  _AC_FUNC_MALLOC_IF(
16*820c1a8dSHiroo HAYASHI    [gl_cv_func_malloc_0_nonnull=1],
17*820c1a8dSHiroo HAYASHI    [gl_cv_func_malloc_0_nonnull=0])
18*820c1a8dSHiroo HAYASHI  AC_DEFINE_UNQUOTED([MALLOC_0_IS_NONNULL], [$gl_cv_func_malloc_0_nonnull],
19*820c1a8dSHiroo HAYASHI    [If malloc(0) is != NULL, define this to 1.  Otherwise define this
20*820c1a8dSHiroo HAYASHI     to 0.])
21*820c1a8dSHiroo HAYASHI])
22*820c1a8dSHiroo HAYASHI
23*820c1a8dSHiroo HAYASHIAC_DEFUN([gl_EEREALLOC],
24*820c1a8dSHiroo HAYASHI[
25*820c1a8dSHiroo HAYASHI  _AC_FUNC_REALLOC_IF(
26*820c1a8dSHiroo HAYASHI    [gl_cv_func_realloc_0_nonnull=1],
27*820c1a8dSHiroo HAYASHI    [gl_cv_func_realloc_0_nonnull=0])
28*820c1a8dSHiroo HAYASHI  AC_DEFINE_UNQUOTED([REALLOC_0_IS_NONNULL], [$gl_cv_func_realloc_0_nonnull],
29*820c1a8dSHiroo HAYASHI    [If realloc(NULL,0) is != NULL, define this to 1.  Otherwise define this
30*820c1a8dSHiroo HAYASHI     to 0.])
31*820c1a8dSHiroo HAYASHI])
32