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# reallocarray.m4 serial 5
dnl Copyright (C) 2017-2023 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.
AC_DEFUN([gl_FUNC_REALLOCARRAY],
[
dnl Persuade glibc <stdlib.h> to declare reallocarray.
AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
AC_REQUIRE([gl_CHECK_MALLOC_PTRDIFF])
gl_CHECK_FUNCS_ANDROID([reallocarray], [[#include <stdlib.h>]])
if test "$ac_cv_func_reallocarray" = no; then
HAVE_REALLOCARRAY=0
case "$gl_cv_onwards_func_reallocarray" in
future*) REPLACE_REALLOCARRAY=1 ;;
esac
elif test "$gl_cv_malloc_ptrdiff" = no; then
REPLACE_REALLOCARRAY=1
fi
])
# Prerequisites of lib/reallocarray.c.
AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:])
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