From 2628afadcc0e5fa007351805a557fca69eb08d53 Mon Sep 17 00:00:00 2001
From: Imbus <>
Date: Sat, 17 Jan 2026 06:13:49 +0100
Subject: [PATCH] Initial

---
 .clang-format             | 19 +++++++++++++++++++
 .gitignore                |  1 +
 CMakeLists.txt            | 11 +++++++++++
 app/CMakeLists.txt        | 11 +++++++++++
 app/main.c                | 17 +++++++++++++++++
 libadd/CMakeLists.txt     | 31 +++++++++++++++++++++++++++++++
 libadd/addConfig.cmake.in |  3 +++
 libadd/include/add/add.h  | 14 ++++++++++++++
 libadd/src/add.c          |  5 +++++
 9 files changed, 112 insertions(+)
 create mode 100644 .clang-format
 create mode 100644 .gitignore
 create mode 100644 CMakeLists.txt
 create mode 100644 app/CMakeLists.txt
 create mode 100644 app/main.c
 create mode 100644 libadd/CMakeLists.txt
 create mode 100644 libadd/addConfig.cmake.in
 create mode 100644 libadd/include/add/add.h
 create mode 100644 libadd/src/add.c

diff --git a/.clang-format b/.clang-format
new file mode 100644
index 0000000..7030cd1
--- /dev/null
+++ b/.clang-format
@@ -0,0 +1,19 @@
+BasedOnStyle: LLVM
+IndentWidth: 4
+TabWidth: 4
+UseTab: Never
+ColumnLimit: 120
+AllowShortLoopsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: false
+AlwaysBreakTemplateDeclarations: true
+BreakConstructorInitializers: BeforeComma
+AlignConsecutiveDeclarations:
+  Enabled:         true 
+  AcrossEmptyLines: false
+  AcrossComments:  false
+  AlignCompound:   false
+  AlignFunctionPointers: false
+  PadOperators:    false
+AlignConsecutiveMacros: true
+AllowShortCaseLabelsOnASingleLine: true
+SeparateDefinitionBlocks: Always
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..378eac2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..8f0d8ce
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,11 @@
+cmake_minimum_required(VERSION 3.15)
+
+project(add_project
+    VERSION 1.0.0
+    LANGUAGES C
+)
+
+include(GNUInstallDirs)
+
+add_subdirectory(libadd)
+add_subdirectory(app)
diff --git a/app/CMakeLists.txt b/app/CMakeLists.txt
new file mode 100644
index 0000000..1e43704
--- /dev/null
+++ b/app/CMakeLists.txt
@@ -0,0 +1,11 @@
+add_executable(add_app
+    main.c
+)
+
+target_link_libraries(add_app
+    PRIVATE add::add
+)
+
+install(TARGETS add_app
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
diff --git a/app/main.c b/app/main.c
new file mode 100644
index 0000000..ece80bb
--- /dev/null
+++ b/app/main.c
@@ -0,0 +1,17 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <add/add.h>
+
+int main(int argc, char **argv) {
+    if (argc != 3) {
+        fprintf(stderr, "usage: %s <a> <b>\n", argv[0]);
+        return 1;
+    }
+
+    int a = atoi(argv[1]);
+    int b = atoi(argv[2]);
+
+    printf("%d\n", add(a, b));
+    return 0;
+}
diff --git a/libadd/CMakeLists.txt b/libadd/CMakeLists.txt
new file mode 100644
index 0000000..dc27b8f
--- /dev/null
+++ b/libadd/CMakeLists.txt
@@ -0,0 +1,31 @@
+add_library(add_shared SHARED
+    src/add.c
+)
+
+add_library(add_static STATIC
+    src/add.c
+)
+
+target_include_directories(add_shared
+    PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
+
+target_include_directories(add_static
+    PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+        $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
+
+set_target_properties(add_shared PROPERTIES
+    OUTPUT_NAME add
+    VERSION ${PROJECT_VERSION}
+    SOVERSION ${PROJECT_VERSION_MAJOR}
+)
+
+set_target_properties(add_static PROPERTIES
+    OUTPUT_NAME add
+)
+
+add_library(add::add ALIAS add_shared)
diff --git a/libadd/addConfig.cmake.in b/libadd/addConfig.cmake.in
new file mode 100644
index 0000000..c1cffb7
--- /dev/null
+++ b/libadd/addConfig.cmake.in
@@ -0,0 +1,3 @@
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/addTargets.cmake")
diff --git a/libadd/include/add/add.h b/libadd/include/add/add.h
new file mode 100644
index 0000000..88e6119
--- /dev/null
+++ b/libadd/include/add/add.h
@@ -0,0 +1,14 @@
+#ifndef ADD_ADD_H
+#define ADD_ADD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int add(int a, int b);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ADD_ADD_H */
diff --git a/libadd/src/add.c b/libadd/src/add.c
new file mode 100644
index 0000000..6e28d05
--- /dev/null
+++ b/libadd/src/add.c
@@ -0,0 +1,5 @@
+#include <add/add.h>
+
+int add(int a, int b) {
+    return a + b;
+}