# HG changeset patch
# User Mike Becker <universe@uap-core.de>
# Date 1704029386 -3600
# Node ID b0ebb3d88407dc2de2fb8eaefcb6d9aafcad72fb
# Parent  bb18daa62d5f2fef17d3a343f6087f69e3ecf9fa
declare cx_compare_func in compare.h - fixes #344

diff -r bb18daa62d5f -r b0ebb3d88407 CHANGELOG
--- a/CHANGELOG	Sat Dec 30 18:48:25 2023 +0100
+++ b/CHANGELOG	Sun Dec 31 14:29:46 2023 +0100
@@ -5,6 +5,7 @@
  * adds cxBufferReset()
  * adds cx_cmp_ptr()
  * adds improved version of UCX 2 Test framework (now a self-contained header)
+ * the cx_compare_func symbol is now also declared by compare.h
  * fixes wrong link from UCX 2 documentation to UCX 3 documentation
  * removes CMake
  * removes GTest dependency
diff -r bb18daa62d5f -r b0ebb3d88407 src/cx/collection.h
--- a/src/cx/collection.h	Sat Dec 30 18:48:25 2023 +0100
+++ b/src/cx/collection.h	Sun Dec 31 14:29:46 2023 +0100
@@ -48,6 +48,8 @@
  */
 #define CX_STORE_POINTERS 0
 
+#ifndef CX_COMPARE_FUNC_DEFINED
+#define CX_COMPARE_FUNC_DEFINED
 /**
  * A comparator function comparing two collection elements.
  */
@@ -55,6 +57,7 @@
         void const *left,
         void const *right
 );
+#endif // CX_COMPARE_FUNC_DEFINED
 
 /**
  * Use this macro to declare common members for a collection structure.
diff -r bb18daa62d5f -r b0ebb3d88407 src/cx/compare.h
--- a/src/cx/compare.h	Sat Dec 30 18:48:25 2023 +0100
+++ b/src/cx/compare.h	Sun Dec 31 14:29:46 2023 +0100
@@ -42,6 +42,17 @@
 extern "C" {
 #endif
 
+#ifndef CX_COMPARE_FUNC_DEFINED
+#define CX_COMPARE_FUNC_DEFINED
+/**
+ * A comparator function comparing two collection elements.
+ */
+typedef int(*cx_compare_func)(
+        void const *left,
+        void const *right
+);
+#endif // CX_COMPARE_FUNC_DEFINED
+
 /**
  * Compares two integers of type int.
  *