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-rw-r--r--gnulib-m4/reallocarray.m423
1 files changed, 23 insertions, 0 deletions
diff --git a/gnulib-m4/reallocarray.m4 b/gnulib-m4/reallocarray.m4
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--- /dev/null
+++ b/gnulib-m4/reallocarray.m4
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+# reallocarray.m4 serial 3
+dnl Copyright (C) 2017-2022 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])
+ AC_CHECK_FUNCS([reallocarray])
+ if test "$ac_cv_func_reallocarray" = no; then
+ HAVE_REALLOCARRAY=0
+ elif test "$gl_cv_malloc_ptrdiff" = no; then
+ REPLACE_REALLOCARRAY=1
+ fi
+])
+
+# Prerequisites of lib/reallocarray.c.
+AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:])