From edd6d44bd664a36ef216941415ae52045d71666d Mon Sep 17 00:00:00 2001
From: Skgland <bennet.blessmann+github@googlemail.com>
Date: Sat, 9 Aug 2025 18:40:57 +0200
Subject: [PATCH] require array_length to be > 0

C does not have 0-sized types
---
 src/lib/ffi.pl | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/ffi.pl b/src/lib/ffi.pl
index 8e22e1b3..e3394ca5 100644
--- a/src/lib/ffi.pl
+++ b/src/lib/ffi.pl
@@ -132,6 +132,7 @@ deallocate(Allocator, Type, Ptr) :-
 :- dynamic(is_array_type_defined/1).
 
 array_type(ElemType, Len, ArrayType) :-
+    (Len =< 0 -> domain_error(greater_than_zero, Len, array_type/3); true),
     phrase(format_("$[~a;~d]", [ElemType, Len]), ArrayTypeName),
     atom_chars(ArrayType, ArrayTypeName),
     (is_array_type_defined(ArrayType) -> true
-- 
2.54.0