From 40bab5490e727b454c41e1c7cc1d6d2ccffce4db Mon Sep 17 00:00:00 2001
From: lucielle <luci@git.lunarware.tech>
Date: Tue, 9 Jun 2026 07:23:41 -0500
Subject: [PATCH] add dynamic array

---
 .clangd    |  2 ++
 .gitignore |  1 +
 array.h    | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 test.c     | 41 +++++++++++++++++++++++++++++++++++++++
 4 files changed, 100 insertions(+)
 create mode 100644 .clangd
 create mode 100644 .gitignore
 create mode 100644 array.h
 create mode 100644 test.c

diff --git a/.clangd b/.clangd
new file mode 100644
index 0000000..e467247
--- /dev/null
+++ b/.clangd
@@ -0,0 +1,2 @@
+CompileFlags:
+  Add: [-xc]
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d163863
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+build/
\ No newline at end of file
diff --git a/array.h b/array.h
new file mode 100644
index 0000000..8e9d1f0
--- /dev/null
+++ b/array.h
@@ -0,0 +1,56 @@
+#ifndef LTYPES_ARRAY_H
+#define LTYPES_ARRAY_H
+#define L_ARRAY_IMPLEMENTATION // for development to fix clangd
+
+#define L_TYPES_AUTHOR  "Lucielle <luci@git.lunarware.tech"
+#define L_TYPES_REPO    "https://git.lunarware.tech/lucielle/ltypes.git"
+#define L_TYPES_VERSION "0.1.0"
+#define L_TYPES_LICENSE "GNU GPL v3"
+
+#include <stddef.h>
+
+typedef struct {
+    size_t count;
+    size_t capacity;
+    void** items;
+} l_array;
+
+l_array* l_array_create();
+void l_array_delete(l_array* array);
+int l_array_append(l_array* array, void* item);
+void l_array_clear(l_array* array);
+
+#ifdef L_ARRAY_IMPLEMENTATION
+
+#include <stdlib.h>
+
+l_array* l_array_create() {
+    return (l_array*) calloc(1, sizeof(l_array));
+}
+
+void l_array_delete(l_array* array) {
+    free(array);
+}
+
+int l_array_append(l_array* array, void* item) {
+    if (array->count >= array->capacity) {
+        if (array->capacity == 0) array->capacity = 8;
+        else array->capacity *= 2;
+
+        array->items = realloc(array->items, array->capacity * sizeof(*array->items));
+    }
+
+    array->items[array->count++] = item;
+    return 0;
+}
+
+void l_array_clear(l_array* array) {
+    free(array->items);
+    array->items = NULL;
+    array->capacity = 0;
+    array->count = 0;
+}
+
+#endif
+
+#endif
\ No newline at end of file
diff --git a/test.c b/test.c
new file mode 100644
index 0000000..4edbe62
--- /dev/null
+++ b/test.c
@@ -0,0 +1,41 @@
+#include <stdio.h>
+#define L_ARRAY_IMPLEMENTATION
+#include "array.h"
+#include "assert.h"
+
+#define TEST_FUNCTION 
+
+static int test_l_array() {
+    int RETURN_CODE = 0;
+    
+    l_array* array = l_array_create();
+    
+    int number_1 = 5;
+    int number_2 = 15;
+
+    l_array_append(array, &number_2);
+    l_array_append(array, &number_1);
+
+    assert(*(int*)array->items[0] == 15);
+    assert(*(int*)array->items[1] == 5);
+    assert(array->count == 2);
+    assert(array->capacity == 8);
+
+    l_array_clear(array);
+    assert(array->items == NULL);
+
+    return RETURN_CODE;
+}
+
+int main(void) {
+    printf("AUTHOR: %s\n", L_TYPES_AUTHOR);
+    printf("REPO: %s\n", L_TYPES_REPO);
+    printf("VERSION: %s\n", L_TYPES_VERSION);
+    printf("LICENSE: %s\n\n", L_TYPES_LICENSE);
+    
+
+    if (
+        test_l_array()
+    ) return 1;
+    return 0;
+}
\ No newline at end of file