| # reallocarray.m4 | |
| # serial 7 | |
| dnl Copyright (C) 2017-2026 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. | |
| dnl This file is offered as-is, without any warranty. | |
| 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]) | |
| AC_REQUIRE([gl_FUNC_REALLOC_0_NONNULL]) | |
| 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 | |
| else | |
| if test "$gl_cv_malloc_ptrdiff" = no; then | |
| REPLACE_REALLOCARRAY=1 | |
| fi | |
| case "$gl_cv_func_realloc_0_nonnull" in | |
| *yes) ;; | |
| *) REPLACE_REALLOCARRAY=1 ;; | |
| esac | |
| fi | |
| ]) | |
| # Prerequisites of lib/reallocarray.c. | |
| AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:]) |