2 files changed, 17 insertions, 0 deletions

diff --git a/lib/x1000-installer/test_lib/core_alloc.c b/lib/x1000-installer/test_lib/core_alloc.c
index 5d4edb03f7..719670f8f2 100644
--- a/lib/x1000-installer/test_lib/core_alloc.c
+++ b/lib/x1000-installer/test_lib/core_alloc.c
@@ -25,6 +25,7 @@
 #define N_POINTERS 100
 
 static void* pointers[N_POINTERS];
+struct buflib_callbacks buflib_ops_locked = {NULL, NULL, NULL};
 
 int core_alloc(const char* name, size_t size)
 {
@@ -46,6 +47,12 @@ int core_alloc(const char* name, size_t size)
     return -1;
 }
 
+int core_alloc_ex(const char* name, size_t size, struct buflib_callbacks* cb)
+{
+    (void)cb;
+    return core_alloc(name, size);
+}
+
 int core_free(int handle)
 {
     if(handle > 0) {
diff --git a/lib/x1000-installer/test_lib/core_alloc.h b/lib/x1000-installer/test_lib/core_alloc.h
index 6fb06649fb..2c77e3c274 100644
--- a/lib/x1000-installer/test_lib/core_alloc.h
+++ b/lib/x1000-installer/test_lib/core_alloc.h
@@ -25,8 +25,18 @@
 #define CORE_ALLOC_H
 
 #include <stddef.h>
+#include <stdbool.h>
+
+struct buflib_callbacks {
+    int (*move_callback)(int handle, void* current, void* new);
+    int (*shrink_callback)(int handle, unsigned hints, void* start, size_t old_size);
+    void (*sync_callback)(int handle, bool sync_on);
+};
+
+extern struct buflib_callbacks buflib_ops_locked;
 
 int core_alloc(const char* name, size_t size);
+int core_alloc_ex(const char* name, size_t size, struct buflib_callbacks* cb);
 int core_free(int handle);
 void* core_get_data(int handle);