Added gitlab runner script.

Added missing header.

.gitlab-ci.yml

@@ -0,0 +1,20 @@
+image: alpine:latest
+
+before_script:
+  - apk -q update
+  - apk -q add build-base cmake check-dev git
+
+stages:
+  - build
+  - test
+
+job_build:
+  stage: build
+  script:
+    - cmake .
+    - make
+
+job_test:
+  stage: test
+  script:
+    - check_SDB

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10)
+cmake_minimum_required(VERSION 3.9)
 set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
 
 project(SDB C)

src/bplus_tree.c

@@ -5,6 +5,7 @@
 #include <malloc.h>
 #include <string.h>
 #include <assert.h>
+#include <stdio.h>
 #include "bplus_tree.h"
 
 #define APPEND_STR(str, size, _) { \