mem: make flb_malloc_{p,mod} extern

Move definitions to its own file to avoid breaking the C++ one
definition rule, improving the integration with the C++ code in
flb-simdutf-connector.

Signed-off-by: Erik Cederberg <[email protected]>

Author: erikced

include/fluent-bit/flb_mem.h

@@ -50,8 +50,8 @@
 /*
  * Return 1 or 0 based on a probability.
  */
-int flb_malloc_p;
-int flb_malloc_mod;
+extern int flb_malloc_p;
+extern int flb_malloc_mod;
 
 static inline int flb_fuzz_get_probability(int val) {
   flb_malloc_p += 1;

src/CMakeLists.txt

@@ -91,6 +91,7 @@ set(src
   flb_cfl_ra_key.c
   flb_cfl_record_accessor.c
   flb_conditionals.c
+  flb_mem.c
   )
 
 # Config format

src/flb_mem.c

@@ -0,0 +1,25 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2015-2025 The Fluent Bit Authors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include <fluent-bit/flb_info.h>
+
+#ifdef FLB_HAVE_TESTS_OSSFUZZ
+int flb_malloc_p;
+int flb_malloc_mod;
+#endif