Equalize to rust example

Author: termoshtt

.github/workflows/examples.yml

@@ -26,7 +26,7 @@ jobs:
         cd examples/cpp/lib
         cmake -Bbuild
         cmake --build build/ --target ocipkg
-        ocipkg push build/ocipkg_example_cpp_lib.tar
+        ocipkg push build/ocipkg_static_cpp.tar
 
   rust-lib:
     runs-on: ubuntu-22.04

examples/cpp/lib/CMakeLists.txt

@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.16) # default of ubuntu:20.04
-project(ocipkg_example_cpp_lib)
+project(ocipkg_static_cpp)
 
 # Build C++ source as a static library
 add_library(ocipkg_static_cpp STATIC lib.cpp)

examples/cpp/lib/lib.cpp

@@ -1,7 +1,7 @@
 #include <iostream>
 
 extern "C" {
-  void hello_from_cpp() {
+  void ocipkg_hello_world() {
     std::cout << "Hello from C++!" << std::endl;
   }
 }